Rankings Updated : May, 2026

Top Mobile App Development Companies in London

Rankings Updated : May, 2026

4.9 (Average Rating)
Average ratings on MobileAppDaily are based only on verified client reviews. Each verified review contributes to the overall score, giving a clear summary of how clients have rated a company so far. The average rating is meant to help you get a quick sense of feedback before reading individual reviews or reviewing a company's work. Read More
Top Mobile App Development Companies in London

A report by RSM UK stated that London witnessed a rise of more than 26% in tech companies founded in 2023. That’s over 32K new firms coming into existence compared to 2022. So, in your search for the top mobile app development companies in London, you’re facing a sea of self-proclaimed IT leaders. All of these firms will claim to be innovative, agile, and user-centric. It’s noise, but something that large markets can’t avoid.

MobileAppDaily's listings are built on verified data, client feedback, and editorial review. Some placements may be commercially sponsored.
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115 Companies

List of the Top Mobile App Development Companies in London

Konstant Infosolutions

5.0
TOP RATED
Key Clients - Wonder CementVolkswagenUnited NationsThomasville
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About

Driven by efficiency and performance, Konstant Infosolutions delivers full-cycle iOS and Android app development. Their app developers serve businesses of all sizes, solving the pain points of multiple industries like Health Care, Wellness & Medical, ECommerce, Education, thanks to their strong technical expertise. [View Konstant Infosolutions]

Service Line
100% Mobile App Development
Industries
40% Health Care, Wellness & Medical
101-200
$5,000+
< $25 / hr
3 Portfolios
London, United Kingdom
  • 6 out of 6 Reviews are 5 Star
  • Last Review: December 19, 2025
  • 4 Reviews in Last 6 Month
Paul Hicks - Founder at Pharmeda HealthCare
Project Objective:

We partnered with Konstant Infosolutions to develop our healthcare application, which included an AI-powered chatbot, detailed product specifications, and cart functionality.

Project Highlight:

From the beginning, the team demonstrated a clear understanding of our requirements and provided valuable inputs throughout the development process. Communication was smooth and consistent via WhatsApp, email, and virtual meetings, making collaboration easy and efficient. The team was always available when needed and worked closely with us at every stage, which made us feel well-supported despite being in different locations.

What stood out most was their responsiveness and strong problem-solving approach. Whenever challenges arose, the team addressed them proactively and offered practical solutions. Overall, we are very satisfied with their professionalism, collaborative mindset, and commitment to delivering a quality product.

Areas of Improvement:

They are doing good.

View all 6 Reviews

Stakk

5.0
TOP RATED
Visit Website

About

Focused on quality and innovation, Stakk offers comprehensive mobile app development services. This agency specializes in iOS and Android app development, serving businesses of all sizes in Health Care, Wellness & Medical, Education, Financial Services with cutting-edge mobile solutions. [View Stakk]

Service Line
80% Mobile App Development
Industries
30% Health Care, Wellness & Medical
10-50
$25,000+
$50 - $99 / hr
3 Portfolios
London, United Kingdom
  • 3 out of 3 Reviews are 5 Star
  • Last Review: April 14, 2026
  • 3 Reviews in Last 6 Month
John Beck - Strategy Director at Browser London

Stakk consistently met sprint goals with very few issues during QA and launch. The team was accessible via Slack and provided detailed updates. Their customer service and communication were excellent.

View all 3 Reviews

Seasia Infotech

5.0
TOP RATED
Key Clients - Adani Group HPHitachiDRDO
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About

With a strong footprint in Financial Services, Automotive, ECommerce, Seasia Infotech positions itself as a versatile mobile app development company. They assist businesses of all sizes by engineering robust iOS and Android app development solutions that align with business goals. [View Seasia Infotech]

Service Line
20% Mobile App Development
Industries
20% Financial Services
10-50
$10,000+
< $25 / hr
33 Portfolios
London, United Kingdom
  • 4 out of 4 Reviews are 5 Star
  • Last Review: December 8, 2025
  • 4 Reviews in Last 6 Month
Gary Collins - Director of Product Development at Drivermatics

The client is pleased with Seasia's work and ongoing maintenance service. Seasia is praised for their project management as well as their deep understanding of the app's design and function.

View all 4 Reviews

The Distance App Developers

5.0
TOP RATED
Key Clients - Astra ZenecaNHSBentley Motors
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About

The Distance App Developers is recognized for delivering end-to-end app development services, tailored for businesses. Specializing in iOS and Android app development, this mobile app development company works extensively in industries like Financial Services, building solutions designed to meet specific market demands. [View The Distance App Developers]

Service Line
100% Mobile App Development
Industries
50% Financial Services
10-50
$50,000+
$100 - $149 / hr
1 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: December 3, 2025
  • 5 Reviews in Last 6 Month
Daniel Katcher - CEO at Rocket Farm Studios

The Distance App Developers did an excellent job thoroughly researching the competitive space.

View all 5 Reviews

Snotor

5.0
TOP RATED
Key Clients - Aaron WareDimitri VulpeAndreas RaptopoulosDimitris Vassiliadis
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About

As a dedicated mobile app development agency, Snotor maintains a sharp focus on iOS and Android app development for businesses of all sizes. Their expertise is concentrated on providing tailored solutions to organizations within the Financial Services, Health Care, Wellness & Medical, Education segments. [View Snotor]

Service Line
30% Mobile App Development
Industries
35% Financial Services
51-100
$10,000+
$25 - $49 / hr
22 Portfolios
London, United Kingdom
  • 12 out of 12 Reviews are 5 Star
  • Last Review: June 29, 2025
Jon Chetail - Founder & CPO at Gymob

I appreciated the ease of working with them and the speed and quality of their work

View all 12 Reviews

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Junkies Coder - Mobile App Development company

5.0
TOP RATED
Key Clients - iQuQ Music Sharing Social App
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About

Catering primarily to businesses of all sizes within the Financial Services, Food & Beverage, Oil & Gas sectors, Junkies Coder - Mobile App Development company operates as a full-service mobile app development agency. Their team focuses on creating scalable digital products, with specific expertise in iOS and Android app development, helping clients navigate the mobile landscape. [View Junkies Coder - Mobile App Development company]

Service Line
30% Mobile App Development
Industries
5% Financial Services
10-50
$25,000+
$25 - $49 / hr
4 Portfolios
London, United Kingdom
  • 7 out of 7 Reviews are 5 Star
  • Last Review: April 30, 2026
  • 1 Reviews in Last 6 Month
Rick Smith - Founder at IQuQ
Project Objective:

I'm Rick, founder of iQuQ. The app exists because I got tired of being at gatherings where one person controls the music and everyone else just lives with it. We built something where every person in the room has an equal vote and the queue moves based on what the crowd actually wants.
 

Getting that built the right way was the part that mattered most. The real-time sync across every connected device, the voting that cannot be gamed, the Apple Music integration, those are not simple problems. From the first conversation Junkies Coder was already thinking about what comes after the problem we described. Their technical team was solving things we had not yet raised and showing up with answers before we finished forming the questions
 

They are a company from India and the communication matched the technical pace exactly. Every milestone landed when it was supposed to and nothing came back to us needing to be revisited

 

Working with an AI driven mobile app development company that thinks about the user experience before the feature list changed how iQuQ came together. The app is live, the room works the way it should, and the first time I watched a crowd vote a song to the top together I stopped worrying about whether we had made the right choices. We had.

View all 7 Reviews

Appinventiv

5.0
TOP RATED
Key Clients - DOMINO'SADIDASJOBGETKFC
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About

Serving businesses of all sizes across diverse Education, Information Technology, Real Estate, the app developers at Appinventiv deliver expertise in the form of innovative products. They empower clients to achieve digital transformation by offering high-quality iOS and Android app development solutions. [View Appinventiv]

Service Line
25% Mobile App Development
Industries
15% Education
2001-3000
$50,000+
$25 - $49 / hr
7 Portfolios
London, United Kingdom
  • 10 out of 10 Reviews are 5 Star
  • Last Review: September 12, 2025
Kate Pencek - VP at T & Enterprise Architecture, Pride Mobility Products

The mobile application Appinventiv created is giving the client an edge in their marketplace and improving their customer's experience. The team collaborates with the client to ensure alignment, and the client is impressed with Appinventiv's communication skills and organization. 

View all 10 Reviews

Binmile

5.0
TOP RATED
Key Clients - AdaniIndigoNanovest
Visit Website

About

As a mobile app development company, Binmile combines technical excellence with industry insight. Their iOS and Android app development services cater to businesses of all sizes, delivering impactful solutions across Financial Services, ECommerce, Education. [View Binmile]

Service Line
25% Mobile App Development
Industries
35% Financial Services
Freelancer
$10,000+
$25 - $49 / hr
6 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: October 10, 2025
Daniel Prince - Product Manager at E-Learning Platform

They demonstrate a high level of professionalism, consistently delivering their work with attention to detail, clear communication, and a commitment to excellence.

View all 5 Reviews

Kellton

5.0
TOP RATED
Key Clients - KFCFMCIndigoUnited Rentals
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About

Kellton is a mobile app development company that partners with businesses of all sizes to build digital products. Focusing on sectors such as Financial Services, Information Technology, Hospitality & Leisure, the firm delivers custom app development services tailored to business goals. Leveraging their technical expertise in iOS and Android app development, they deliver customized solutions that enhance digital presence and improve ROI. [View Kellton]

Service Line
20% Mobile App Development
Industries
40% Financial Services
1001-2000
$50,000+
$50 - $99 / hr
4 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: October 9, 2025
Roy Wallen - Business & Marketing Executive at Pristine Surgical

They assembled an expert team that perfectly understood our needs and delivered a solution that truly exceeded expectations.

View all 5 Reviews

Digis

5.0
TOP RATED
Key Clients - HubspotCIBCPwCJumio
Visit Website

About

Digis delivers specialized app development services focused on native iOS and Android app development. This mobile app development agency partners with businesses of all sizes, bringing expertise across the Education, Logistics & Supply Chain, Sports & Recreation industries. [View Digis]

Service Line
15% Mobile App Development
Industries
10% Education
201-300
$25,000+
$25 - $49 / hr
4 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: September 26, 2025
Catarina Castro - CTO at GrapeData

Digis is always responsive, open, and easy to work with. They address questions quickly, understand our needs, and offer thoughtful solutions with a genuine commitment to the best outcome.

View all 5 Reviews

Suffescom Solutions Inc.

5.0
TOP RATED
Visit Website

About

Suffescom Solutions Inc. delivers specialized app development services focused on native iOS and Android app development. This mobile app development agency partners with businesses of all sizes, bringing expertise across the Financial Services, Gaming, ECommerce industries. [View Suffescom Solutions Inc.]

Service Line
30% Mobile App Development
Industries
50% Financial Services
501-600
$25,000+
$25 - $49 / hr
6 Portfolios
London, United Kingdom
  • 7 out of 7 Reviews are 5 Star
  • Last Review: April 28, 2026
  • 7 Reviews in Last 6 Month
David Oreo - CEO at NutritionDietPlan
Project Objective:

When working together with Suffescom Solutions for the development of our diet and nutrition application, we experienced a perfect blend of planning and flexibility. It became evident early on that their team had a clear plan in mind, with each stage moving forward smoothly and with no roadblocks along the way. There was definitely an organizational aspect to the process and monitoring progress was not difficult.
 

Among the features that stood out was their ability to make adjustments when needed, especially when it came to user experience. They provided timely feedback and their discussions were very easy to understand. Suffescom Solutions delivered on their promises in terms of a user-friendly interface, which made navigating the application much easier.
 

Overall, the development process was executed smoothly from beginning to end. It seemed as though they paid close attention to detail at every point in time, producing consistent results. They did not compromise on quality by rushing to deliver any of the deliverables.

View all 7 Reviews

KeyToTech

5.0
TOP RATED
Visit Website

About

As a dedicated mobile app development agency, KeyToTech maintains a sharp focus on iOS and Android app development for businesses of all sizes. Their expertise is concentrated on providing tailored solutions to organizations within the Financial Services, Health Care, Wellness & Medical, Non-Profit segments. [View KeyToTech]

Service Line
30% Mobile App Development
Industries
25% Financial Services
2-9
$5,000+
$25 - $49 / hr
10 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: September 26, 2025
Bob Rogers - CEO at Tour Digital Solutions Company

Their positive attitude and collaborative spirit truly stand out, making it a pleasure to work with them. They consistently take initiative, not only addressing challenges head-on but also proactively suggesting thoughtful alternatives. Their ability to bring fresh solutions demonstrates both creativity and reliability.

View all 5 Reviews

Sonin App Development

4.8
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About

Sonin App Development delivers specialized app development services focused on native iOS and Android app development. This mobile app development agency partners with businesses of all sizes, bringing expertise across the Financial Services, Health Care, Wellness & Medical, Education industries. [View Sonin App Development]

Service Line
80% Mobile App Development
Industries
15% Financial Services
101-200
$50,000+
$100 - $149 / hr
1 Portfolios
London, United Kingdom
  • 4 out of 5 Reviews are 5 Star
  • Last Review: December 3, 2025
  • 5 Reviews in Last 6 Month
Tim Dray - Commercial Director at OpenAir Medical Devices Ltd

The collaboration between us, Sonin, and the hardware managers was excellent.

View all 5 Reviews

GeekyAnts

5.0
TOP RATED
Key Clients - Mobile Premier LeagueGoogle LLCQuintypeSiveco Romania
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About

GeekyAnts is recognized for delivering end-to-end app development services, tailored for businesses of all sizes. Specializing in iOS and Android app development, this mobile app development company works extensively in industries like Manufacturing, ECommerce, Financial Services, building solutions designed to meet specific market demands. [View GeekyAnts]

Service Line
30% Mobile App Development
Industries
20% Manufacturing
2-9
$10,000+
$25 - $49 / hr
12 Portfolios
London, United Kingdom
  • 3 out of 3 Reviews are 5 Star
  • Last Review: March 10, 2026
  • 3 Reviews in Last 6 Month
Sachin Yaragal - Co-Founder at PropelX

They maintain excellent organization across timelines, communication, and the quality of their deliverables.

View all 3 Reviews

DataArt

4.8
Key Clients - NasdaqSkyscannerUnileverMetro Markets
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About

Focused on quality and innovation, DataArt offers comprehensive mobile app development services. This agency specializes in iOS and Android app development, serving businesses of all sizes in Financial Services, Retail, Hospitality & Leisure with cutting-edge mobile solutions. [View DataArt]

Service Line
5% Mobile App Development
Industries
30% Financial Services
5000+
$10,000+
< $25 / hr
3 Portfolios
London, United Kingdom
  • 5 out of 6 Reviews are 5 Star
  • Last Review: April 30, 2026
  • 1 Reviews in Last 6 Month
Ross Kennedy - Custom Software Development at ORTIM
Project Objective:

10/10. I highly recommend it

View all 6 Reviews

WebMagic

5.0
TOP RATED
Key Clients - ORACLEAWSFedExFacebook
Visit Website

About

WebMagic stands out as a mobile app development agency with deep technical capabilities. They partner with businesses of all sizes to deliver scalable iOS and Android app development solutions, with particular strength in Logistics & Supply Chain, ECommerce, Government. [View WebMagic ]

Service Line
10% Mobile App Development
Industries
25% Logistics & Supply Chain
2-9
$5,000+
$50 - $99 / hr
3 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: September 25, 2025
Balint Farkas - IT Manager at Pevonia

We truly trust their team members to get the job done perfectly.

View all 5 Reviews

Sigma Software

4.6
Key Clients - VolvoScandinavian AirlinesSkyKick
Visit Website

About

Sigma Software provides bespoke app development services for businesses of all sizes. The company offers high-performance iOS and Android app development. Their portfolio spans various verticals, with a notable focus on businesses in the Automotive, Telecommunications, ECommerce. [View Sigma Software]

Service Line
5% Mobile App Development
Industries
50% Automotive
1001-2000
$50,000+
$25 - $49 / hr
2 Portfolios
London, United Kingdom
  • 3 out of 5 Reviews are 5 Star
  • Last Review: October 6, 2025
Kerrin Borchers - CEO at KaiZhan Limited

The client was highly satisfied with Sigma Software Group's quality work. The team completed the platform on time. They were available, collaborative, and well-organized throughout the engagement. Overall, they stood out for their willingness to work on any project regardless of its size.

View all 5 Reviews

HCL Technologies

5.0
TOP RATED
Key Clients - CA INCMerck and COAutodeskThe Boeing Company
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About

With a strong footprint in Health Care, Wellness & Medical, Advertising & Marketing, Legal, HCL Technologies positions itself as a versatile mobile app development company. They assist businesses of all sizes by engineering robust iOS and Android app development solutions that align with business goals. [View HCL Technologies]

Service Line
5% Mobile App Development
Industries
25% Health Care, Wellness & Medical
2001-3000
$50,000+
$25 - $49 / hr
6 Portfolios
London, United Kingdom
  • 3 out of 3 Reviews are 5 Star
  • Last Review: March 6, 2026
  • 3 Reviews in Last 6 Month
Stanley Toh - Head of Enterprise End-User Services and Experience at Broadcom

I’ve worked with HCLTech for more than a decade, and they have played a crucial role in automating and maintaining our chatbots. Their IT support has been extremely valuable in resolving Broadcom’s technical challenges, and I would highly recommend their services to any organization looking for dependable IT support.

View all 3 Reviews

OpenXcell

5.0
TOP RATED
Key Clients - CIN7GoogleIKEAUnilever
Visit Website

About

As a mobile app development company, OpenXcell combines technical excellence with industry insight. Their iOS and Android app development services cater to businesses of all sizes, delivering impactful solutions across Education, Financial Services, Health Care, Wellness & Medical. [View OpenXcell]

Service Line
15% Mobile App Development
Industries
15% Education
401-500
$5,000+
< $25 / hr
3 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: September 25, 2025
Angel Palma - Founder at Palma Creations, Inc.

The app was well received and had over 500 downloads in the first month. OpenXcell was praised for their affordability, project management, and customer service.

View all 5 Reviews

Magora

5.0
TOP RATED
Key Clients - UnileverDanoneToyotaEasy Group
Visit Website

About

Magora delivers specialized app development services focused on native iOS and Android app development. This mobile app development agency partners with businesses of all sizes, bringing expertise across the Environmental Services, Retail, Government industries. [View Magora]

Service Line
15% Mobile App Development
Industries
10% Environmental Services
10-50
$25,000+
$25 - $49 / hr
5 Portfolios
London, United Kingdom
  • 3 out of 3 Reviews are 5 Star
  • Last Review: April 9, 2026
  • 3 Reviews in Last 6 Month
Constantine Rakitin Keizer - Chief Business Officer at Easy Report

Magora showcased exceptional innovation and technical expertise, delivering a high-quality, thoughtfully designed chatbot messenger with a seamless and engaging user experience. The team completed the project on schedule while maintaining clear communication, demonstrating strong understanding, responsiveness, and technical proficiency throughout.

View all 3 Reviews

Andersen

4.9
Key Clients - SamsungMercedes-BenzUniverskinVerivox
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About

Andersen provides bespoke app development services for businesses of all sizes. The company offers high-performance iOS and Android app development. Their portfolio spans various verticals, with a notable focus on businesses in the Health Care, Wellness & Medical, Financial Services, Information Technology. [View Andersen]

Service Line
25% Mobile App Development
Industries
20% Health Care, Wellness & Medical
901-1000
$25,000+
$25 - $49 / hr
11 Portfolios
London, United Kingdom
  • Last Review: March 30, 2026
  • 2 Reviews in Last 6 Month
Ethel Andino - at Andersen
Our company faced several challenges with our current platform, such as slow load times, an outdated design, and limited functionality. The Andersen team, which included designers and QA testers, conducted comprehensive research and analysis to determine the root causes of these issues. They were flexible and adaptable and made minor changes to the software without significant problems. The new platform resolved the existing challenges and improved the user experience with its modern and intuitive design. It also provided advanced features and functionalities that significantly enhanced our business operations and customer engagement. I recommend Andersen to any company seeking to improve its platform or application.
View all 2 Reviews

AlphaBOLD - Top Microsoft Dynamics Partner & Dynamics CRM Consultant

5.0
TOP RATED
Key Clients - MechCo Group LLCGreen Project Technologies, Inc.Netronix Integration, Inc.CalPrivate Bank
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About

As a dedicated mobile app development agency, AlphaBOLD - Top Microsoft Dynamics Partner & Dynamics CRM Consultant maintains a sharp focus on iOS and Android app development for businesses of all sizes. Their expertise is concentrated on providing tailored solutions to organizations within the Information Technology, Manufacturing, Automotive segments. [View AlphaBOLD - Top Microsoft Dynamics Partner & Dynamics CRM Consultant]

Service Line
10% Mobile App Development
Industries
20% Information Technology
201-300
$5,000+
$25 - $49 / hr
2 Portfolios
London, United Kingdom
  • 3 out of 3 Reviews are 5 Star
  • Last Review: April 8, 2026
  • 3 Reviews in Last 6 Month
Lucinda Ung - Operations Planner at Newair LLC

AlphaBOLD helped us resolve a key limitation in NetSuite’s cash application process, allowing us to apply credit memos to invoices more efficiently. Their solution significantly reduced the manual workload for our finance team, saving hours of effort and giving us more time to focus on resolving discrepancies.

View all 3 Reviews

SENLA

5.0
TOP RATED
Key Clients - KPMGWestern UnionAccentureBOSCH
Visit Website

About

As a mobile app development company, SENLA combines technical excellence with industry insight. Their iOS and Android app development services cater to businesses of all sizes, delivering impactful solutions across Health Care, Wellness & Medical, Financial Services, Manufacturing. [View SENLA]

Service Line
20% Mobile App Development
Industries
25% Health Care, Wellness & Medical
501-600
$10,000+
$25 - $49 / hr
36 Portfolios
London, United Kingdom
  • 2 out of 2 Reviews are 5 Star
  • Last Review: April 13, 2026
  • 2 Reviews in Last 6 Month
Ludger Voss - Managing Director at SimonsVoss Technologies GmbH

SENLA delivered high-quality results that were well received by users. The team consistently met deadlines, maintained regular communication, and demonstrated strong organization and attention to detail, reflecting effective project management. Their responsiveness, reliability, and commitment made a strong impression on the client.

View all 2 Reviews

Vention

5.0
TOP RATED
Key Clients - IBMMount SinaivimeoEliseAI
Visit Website

About

Vention delivers specialized app development services focused on native iOS and Android app development. This mobile app development agency partners with businesses of all sizes, bringing expertise across the Financial Services, Health Care, Wellness & Medical, Education industries. [View Vention]

Service Line
20% Mobile App Development
Industries
40% Financial Services
2001-3000
$25,000+
$50 - $99 / hr
1 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: September 12, 2025
Michael Narlock - Head of Astronomy/Exhibits at Cranbrook Institute of Science

Vention has developed an interactive experience that meets the client's expectations. The team has been receptive to changes and delivered the project with professionalism and attention to detail. They also have a top-notch advisory team. Their swiftness and responsiveness are impressive.

View all 5 Reviews

Altar.io

4.7
Key Clients - ApiaxFAVEGSMAMovieme
Visit Website

About

Altar.io provides end-to-end mobile app development services with a focus on user-centric design. Specializing in iOS and Android app development, they serve businesses of all sizes across Financial Services, Information Technology, creating apps that deliver measurable business value. [View Altar.io]

Service Line
20% Mobile App Development
Industries
70% Financial Services
10-50
$25,000+
$50 - $99 / hr
2 Portfolios
London, United Kingdom
  • 2 out of 3 Reviews are 5 Star
  • Last Review: April 9, 2026
  • 3 Reviews in Last 6 Month
Jeff Vannote - Founder at Loan Lynx

Altar.io’s work has significantly enhanced the client’s development efficiency, increasing it by 60%–80% and resulting in notable time and cost savings. Despite this, the team consistently prioritizes quality over speed, choosing to get things right the first time. Additionally, they maintain strong communication and reliably deliver on time and within budget.

View all 3 Reviews

Vasterra

5.0
TOP RATED
Key Clients - EtamBank of GeorgiaColliers
Visit Website

About

Driven by efficiency and performance, Vasterra delivers full-cycle iOS and Android app development. Their app developers serve businesses, solving the pain points of multiple industries like ECommerce, Education, Automotive, thanks to their strong technical expertise. [View Vasterra]

Service Line
20% Mobile App Development
Industries
45% ECommerce
51-100
$5,000+
$50 - $99 / hr
2 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: September 18, 2025
Natalie Karakina - CMO at InAppStory

Vasterra stands out with its well-structured documentation process and a highly professional team that delivers clarity and efficiency at every stage.

View all 5 Reviews

Coderus Limited

Visit Website

About

Serving businesses of all sizes across diverse Information Technology, Automotive, Consumer Products & Services, the app developers at Coderus Limited deliver expertise in the form of innovative products. They empower clients to achieve digital transformation by offering high-quality iOS and Android app development solutions. [View Coderus Limited]

Service Line
70% Mobile App Development
Industries
80% Information Technology
2-9
$25,000+
$100 - $149 / hr
8 Portfolios
London, United Kingdom

ELEKS

5.0
TOP RATED
Visit Website

About

ELEKS provides bespoke app development services for businesses of all sizes. The company offers high-performance iOS and Android app development. Their portfolio spans various verticals, with a notable focus on businesses in the Financial Services, Health Care, Wellness & Medical. [View ELEKS]

Service Line
20% Mobile App Development
Industries
65% Financial Services
1001-2000
$50,000+
$300+ / hr
2 Portfolios
London, United Kingdom
  • 3 out of 3 Reviews are 5 Star
  • Last Review: March 6, 2026
  • 3 Reviews in Last 6 Month
John Armstrong - CEO & CTO at Civex

They consistently brought fresh ideas and truly felt like an extension of our team.

View all 3 Reviews

Tapptitude

5.0
TOP RATED
Visit Website

About

Tapptitude provides end-to-end mobile app development services with a focus on user-centric design. Specializing in iOS and Android app development, they serve businesses of all sizes across Real Estate, Consumer Products & Services, Health Care, Wellness & Medical, creating apps that deliver measurable business value. [View Tapptitude]

Service Line
30% Mobile App Development
Industries
20% Real Estate
101-200
$5,000+
$25 - $49 / hr
1 Portfolios
London, United Kingdom
  • 3 out of 3 Reviews are 5 Star
  • Last Review: April 14, 2026
  • 3 Reviews in Last 6 Month
Alessandro Bressan - Founder at AssetsView Limited

The client was pleased with Tapptitude’s quality work. The team delivered a fully functional prototype, managed the project efficiently, and maintained clear communication. Overall, the experience and results met expectations.

View all 3 Reviews

TCS

4.7
Key Clients - AdobeCiscoDell
Visit Website

About

Serving businesses of all sizes across diverse ECommerce, Automotive, Education, the app developers at TCS deliver expertise in the form of innovative products. They empower clients to achieve digital transformation by offering high-quality iOS and Android app development solutions. [View TCS]

Service Line
5% Mobile App Development
Industries
60% ECommerce
4001-5000
$25,000+
$25 - $49 / hr
2 Portfolios
London, United Kingdom
  • 2 out of 3 Reviews are 5 Star
  • Last Review: April 10, 2026
  • 3 Reviews in Last 6 Month
Neha Kapoor - Head of Data & Analytics at RetailEdge Solutions

TCS provided strong support in data analytics and managed services, helping us streamline operations and improve decision-making. While initial onboarding required coordination, the overall delivery and long-term value have been excellent

View all 3 Reviews

Xebia

4.7
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About

As a mobile app development company, Xebia combines technical excellence with industry insight. Their iOS and Android app development services cater to businesses of all sizes, delivering impactful solutions across Health Care, Wellness & Medical, Transportation, ECommerce. [View Xebia]

Service Line
10% Mobile App Development
Industries
20% Health Care, Wellness & Medical
1001-2000
$10,000+
$50 - $99 / hr
2 Portfolios
London, United Kingdom
  • 2 out of 3 Reviews are 5 Star
  • Last Review: October 8, 2025
Adrien Berger - Project Manager at Schmitz Cargobull

Xebia's (formerly PGS Software's) app allows users to view telematics data from their mobile devices. It received positive reviews on app stores, meeting the client’s expectations. They are perceptive of concerns, and they swiftly resolve any issues. Overall, they are dedicated to delivering a high-quality product. 

View all 3 Reviews

Chetu Inc.

4.7
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About

Focused on quality and innovation, Chetu Inc. offers comprehensive mobile app development services. This agency specializes in iOS and Android app development, serving businesses in ECommerce, Information Technology, Health Care, Wellness & Medical with cutting-edge mobile solutions. [View Chetu Inc.]

Service Line
25% Mobile App Development
Industries
40% ECommerce
301-400
$10,000+
$25 / hr
1 Portfolios
London, United Kingdom
  • 2 out of 3 Reviews are 5 Star
  • Last Review: April 14, 2026
  • 3 Reviews in Last 6 Month
Brian Collins - Owner at UHireMe

The client is happy with Chetu, Inc.’s work and sees strong potential in the app. The team understood the client’s vision well, remained responsive to changes, and maintained clear communication with a structured timeline and flexible pricing.

View all 3 Reviews

3 Sided Cube

5.0
TOP RATED
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About

As a dedicated mobile app development agency, 3 Sided Cube maintains a sharp focus on iOS and Android app development for businesses of all sizes. Their expertise is concentrated on providing tailored solutions to organizations within the Non-Profit, Health Care, Wellness & Medical, Retail segments. [View 3 Sided Cube]

Service Line
15% Mobile App Development
Industries
30% Non-Profit
10-50
$50,000+
$100 - $149 / hr
1 Portfolios
London, United Kingdom
  • 3 out of 3 Reviews are 5 Star
  • Last Review: April 14, 2026
  • 3 Reviews in Last 6 Month
Tim Kelly - Executive Director at Earth HQ

The site is still in beta but has received positive feedback from stakeholders. 3 SIDED CUBE worked quickly and proactively, delivering quality work on time while sharing useful ideas. The team was enthusiastic, communicative, and efficient throughout.

View all 3 Reviews

Concetto Labs

5.0
TOP RATED
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About

Concetto Labs provides bespoke app development services for businesses. The company offers high-performance iOS and Android app development. Their portfolio spans various verticals, with a notable focus on businesses in the Information Technology, ECommerce, Education. [View Concetto Labs]

Service Line
35% Mobile App Development
Industries
50% Information Technology
51-100
$5,000+
$25 - $49 / hr
14 Portfolios
London, United Kingdom
  • 2 out of 2 Reviews are 5 Star
  • Last Review: March 30, 2026
  • 2 Reviews in Last 6 Month
Francesco Defazio - Founder & CEO at Concetto Labs
We have been working with Concetto Labs for two years and are very satisfied with the partnership. They consistently deliver efficiently, work quickly, and provide excellent graphic design solutions. Thank you, Concetto Labs.
View all 2 Reviews

hedgehog lab

5.0
TOP RATED
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About

With a strong footprint in Financial Services, Health Care, Wellness & Medical, Consumer Products & Services, hedgehog lab positions itself as a versatile mobile app development company. They assist businesses of all sizes by engineering robust iOS and Android app development solutions that align with business goals. [View hedgehog lab]

Service Line
50% Mobile App Development
Industries
30% Financial Services
201-300
$1,00,000+
$100 - $149 / hr
1 Portfolios
London, United Kingdom
  • 2 out of 2 Reviews are 5 Star
  • Last Review: April 1, 2026
  • 2 Reviews in Last 6 Month
Josh Shindler - Digital Head at hedgehog lab
They were highly responsive to our needs and provided a detailed roadmap for project success.
View all 2 Reviews

LogicRays Technologies Pvt Ltd

5.0
TOP RATED
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About

LogicRays Technologies Pvt Ltd provides end-to-end mobile app development services with a focus on user-centric design. Specializing in iOS and Android app development, they serve businesses across ECommerce, Information Technology, Legal, creating apps that deliver measurable business value. [View LogicRays Technologies Pvt Ltd]

Service Line
30% Mobile App Development
Industries
50% ECommerce
51-100
$1,000+
< $25 / hr
0 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: September 17, 2025
Esthon Policarpio - CTO at CycleHouse Services

The client was highly impressed with LogicRays Technologies Pvt. Ltd.’s quality work and speed of development. The team delivered on a short timeline and fixed all bugs immediately. Moreover, they were outstandingly professional, managing the project seamlessly using Slack, Trello, and Google Drive.

View all 5 Reviews

Nimble AppGenie LLP

5.0
TOP RATED
Key Clients - Yoheet KapoorUri SAndrea Swift
Visit Website

About

Nimble AppGenie LLP is a mobile app development company committed to delivering innovative digital solutions. With expertise in iOS and Android app development, they work closely with businesses across Information Technology to create applications that drive business growth. [View Nimble AppGenie LLP]

Service Line
20% Mobile App Development
Industries
100% Information Technology
10-50
$25,000+
$50 - $99 / hr
0 Portfolios
London, United Kingdom
  • 5 out of 5 Reviews are 5 Star
  • Last Review: September 16, 2025
Terence Simmons - IT Manager at SJ Global Investments

The app led to a 30% increase in business for the client. Nimble AppGenie's professional team establishes a seamless workflow to ensure effective collaboration. The team provides a high level of customer service and support. 

View all 5 Reviews

FuturByte

4.9
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About

As a mobile app development company, FuturByte combines technical excellence with industry insight. Their iOS and Android app development services cater to businesses of all sizes, delivering impactful solutions across ECommerce, Dental, Hospitality & Leisure. [View FuturByte]

Service Line
30% Mobile App Development
Industries
10% ECommerce
10-50
$5,000+
$25 - $49 / hr
2 Portfolios
London, United Kingdom
  • 1 out of 2 Reviews are 5 Star
  • Last Review: April 3, 2026
  • 2 Reviews in Last 6 Month
Sandra Hope - Executive Director at FuturByte
Collaborating with FuturByte on multiple projects has been a breeze. Their professionalism and ability to deliver timely, high-quality solutions make them a trusted partner for any challenge.
View all 2 Reviews

Epam

5.0
TOP RATED
Key Clients - GoogleMicrosoftAdobe
Visit Website

About

Epam provides end-to-end mobile app development services with a focus on user-centric design. Specializing in iOS and Android app development, they serve businesses of all sizes across ECommerce, Financial Services, creating apps that deliver measurable business value. [View Epam]

Service Line
5% Mobile App Development
Industries
80% ECommerce
701-800
$1,00,000+
$150 - $199 / hr
2 Portfolios
London, United Kingdom
  • 1 out of 1 Reviews are 5 Star
  • Last Review: April 10, 2026
  • 1 Reviews in Last 6 Month
Trading Services - CEO at Trading Services

They delivered good work at a fixed price point.

View all 1 Review

Mobiloitte

4.5
Key Clients - NIITSBI Card
Visit Website

About

Mobiloitte is a mobile app development company that partners with businesses of all sizes to build digital products. Focusing on sectors such as Education, Health Care, Wellness & Medical, Government, the firm delivers custom app development services tailored to business goals. Leveraging their technical expertise in iOS and Android app development, they deliver customized solutions that enhance digital presence and improve ROI. [View Mobiloitte]

Service Line
15% Mobile App Development
Industries
10% Education
901-1000
$5,000+
$100 - $149 / hr
2 Portfolios
London, United Kingdom
  • 1 out of 2 Reviews are 5 Star
  • Last Review: May 8, 2026
  • 2 Reviews in Last 6 Month
Sandeep Kumar - Director at Baba Lease & Investment Private Limited

Mobiloitte’s post-launch support and commitment to continuous improvement made them stand out.

View all 2 Reviews
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Buying Guide

Importance of Hiring a Mobile App Development Company in London

Let's get this out of the way. Choosing London isn't about prestige. It's a calculated, strategic move. Or at least, it should be. If you get it right, the advantages are immense. For instance:

  • The Talent is Here. London is a global magnet for serious talent. We're talking world-class product strategists, designers, and engineers. Your challenge is filtering the talkers from the builders.
  • You Work in Real-Time. No 3 AM calls. No waiting 12 hours for an answer. Problems get solved the day they appear. The value of this cannot be overstated.
  • They Know the Law. Good firms here live and breathe GDPR. It’s not an afterthought; it’s baked into their process. That alone can save you from massive headaches.
  • Proximity to What's Next. The tech scene here is a blender of ideas. Your team is exposed to the latest mobile app development trends just by being here, and that thinking bleeds into your project.
  • You Can Meet Face-to-Face. Some problems can only be solved in a room with a whiteboard. Never underestimate the power of being able to look your lead developer in the eye.
  • Solid Ground. The UK’s legal system is clear and predictable. Your contracts mean something. Your IP is protected. It’s a safe place to do serious business.

Simply put, you’re buying into an ecosystem. A dense network of talent, ideas, and capital.

How to Separate Top Mobile App Developers in London from Pretenders?

Industries Hiring Top App Development Companies in London

The Cost of Hiring Mobile App Development Companies in London

Services Provided By Mobile App Development Firms in London

The Tech Stack Used by Top Mobile App Developers in London

Frequently Asked Questions

faq-banner

What should I actually ask mobile app development companies in London?

Forget the softball questions. Get right to it.

  • Show me an app you built that failed. What did you learn?
  • How do you handle disagreements about features or design?
  • What will our weekly communication look like? Be specific.
  • If the project goes off-track, who is responsible, and what's the plan?
  • Why did you lose your last client?
  • How do you ensure my data and my users' data are secure? What about GDPR?
  • What happens the day after we launch?
  • Who, specifically, will be working on my project? I want to meet them.
  • What do you need from me to make this project a success?
  • Why are you the right partner for this project?

Where are all these mobile app developers in London?

They are working for firms in plenty of areas. For instance, Silicon Roundabout in Old Street is the classic startup hub. Canary Wharf is heavy on FinTech. Shoreditch is for the creative and design-led firms. The talent is all over, but these are the epicenters.

How long will it take a mobile app development company in London to build an app?

Anyone who gives you a firm date without a multi-week discovery process is lying. But for a gut check? A simple, focused app (MVP) might take 4-5 months. A complex, feature-rich platform could easily take a year or more. Speed is the enemy of quality.

Do app development companies in London care about compliance?

It's table stakes. A professional London mobile app development firm will not treat this lightly. They'll know the rules for GDPR, PCI DSS (for payments), and the principles of HIPAA (for health) inside and out. It should be a core part of their process, not an add-on.

How will mobile app developers in London keep you in the loop?

Through relentless communication. The best firms operate with total transparency. Expect daily check-ins, weekly demos, and a shared project management tool like Jira where you can see everything. You should never have to ask, "What's the status?”

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