Top 100 Mobile App Developers in London

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Top 100 Mobile App Developers in London

October 2022

Looking for a top mobile app development company in London?

Building a mobile app is expensive. In fact, it can cost $10,000 to $150,000, unless you want an out-of-the-box solution with a DIY app builder. 

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List of the Best London Mobile App Development Companies

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  • 3
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 50 - 249 employees
    • London, United Kingdom

    Apadmi is a 140+ member mobile tech group specializing in app development, IoT, and consulting for big data, BI, and SI. Founded in 2009 and based in Manchester, UK, their team excels at helping organizations use technology to achieve a competitive advantage.

    Clients

    • BBC
    • Argos
    • Lexus
    • Range Rover

    Industries

    Notable Project

    Apadmi has developed an iOS and Android mobile app for a pizza restaurant where users can order food. The team provides their design, development, and testing expertise. They still develop and release features.

    “They’re fully engaged and supportive of the project.”

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  • 4
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    Mobile app development company Tapptitude has offices in Romania, the US, and London. The team of 100+ employees specializes in iOS and Android app development and offers UX/UI design, IT strategy consulting, and web development. Founded in 2013, Tapptitude mainly works with small businesses and startups in the real estate, automotive, and arts and entertainment industries.

    Clients

    • Tenor
    • Glorify
    • Wellory
    • Ontapp

    Industries

    Notable Project

    Tapptitude was an IT services company’s software development partner. They conducted research and planned for the implementation before building the solution. 

    "They were very easy to work with."

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  • 5
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 10 - 49 employees
    • London, United Kingdom

    3 SIDED CUBE is an accredited app development and digital product agency headquartered in Bournemouth, England with additional locations in London, Chicago, and Washington, DC. Since their ambitious beginning in 2009, the team of about 38 has collaborated with startups and international organizations, reaching over 87 countries and more than 100 million global downloads. In addition to mobile app development, they also provide UX/UI design services to inspirational organizations.

    Clients

    • American Red Cross
    • UNHCR
    • Global Forest Watch
    • UNESCO

    Industries

    Notable Project

    3 SIDED CUBE has designed and developed a UN agency’s Android and iOS app that facilitates communication between donors and refugees. They’ve created the app’s UI/UX and are iterating a new version. 

    "They quickly and effectively attend to our needs and concerns."

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  • 6
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Blink22 is a mobile and web development firm based in Alexandria, Egypt. Founded in 2015, their team of 125 serves clients in the transportation and communal workplace sectors. Services include, iOS, Android, and React Native development.

    Clients

    • Jumia
    • Careem
    • Khatabook
    • Cassbana

    Industries

    Notable Project

    A credit management platform hired Blink22 to build a mobile app that featured invoice and receipt functions, credit transaction recording, automatic payment reminders, and SMS and WhatsApp integrations. 

    "We were able to launch the app, iterate on it, and build on the foundations that they had set up for us."

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  • 7
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Founded in 2010, Magora is a 50+ team of web and mobile app designers and developers based in London. Whether it’s B2B or B2C, the firm creates bespoke software that integrates with existing business solutions to enable user-centered interaction and scalable software architecture.

    Clients

    • Danone
    • Unilever
    • Toyota
    • Royal College of Art

    Industries

    Notable Project

    Magora Systems developed the MVP of a cross-platform mobile app for a digital transformation company. It focused on telemedicine, allowing users to schedule appointments, find their medical records, and more.

    “They didn’t simply take our requirements and run with them; they truly made an effort to understand everything.”

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  • 8
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.4
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $75,000+
    • 50 - 249 employees
    • London, United Kingdom

    With a team of 50+, Fueled specializes in creating mobile apps and websites. The New York-based app development company aims to create easy-to-use and attractive products for customers, whether they are big or small brands.

    Clients

    • MGM Resorts International
    • 9Gag
    • Harvard
    • Rite Aid

    Industries

    Notable Project

    Fueled was hired by a health and wellness brand to develop an iOS app focused on meal management and purchases. The app had to improve the customer satisfaction and retention rates on weekly subscriptions

    "They are super communicative and easy to work with."

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  • 9
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $75,000+
    • 10 - 49 employees
    • London, United Kingdom

    Glance Creative Ltd. is an app development firm founded in 2016. Based in London, the team of 10 specializes in mobile app development, UX/UI and wearable app development. They mainly serve small business and midmarket clients in the entertainment, media and consumer products industries. 

    Clients

    • The Times
    • The Sun
    • Universal Music
    • Lucozade

    Industries

    Notable Project

    Glance provides mobile app development services to a social media startup for art lovers. They're handling the front- and backend development of a gaming platform that features a leaderboard and news feed. 

    “Their team has done a great job of accomplishing all the requirements in a timely and transparent manner.”

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  • 10
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    Founded in 2007, Softblues is a software development company headquartered in Lviv, Ukraine. Their team of approximately 22 employees serves small to mid-sized businesses, particularly in the e-commerce and education sectors. They specialize in custom software as well as web and e-commerce development.

    Clients

    • Pinterest
    • FieldBI
    • AutoBI
    • AgroTop

    Industries

    Notable Project

    Softblues provides development support for a software solutions company. They're currently helping the client on several custom software development projects.

    "They're hard-working, and their values are aligned with our company."

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  • 11
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Infinum is a software development company in San Francisco, CA. The 50+ team has equal experience in mobile and web development. They work with clients from a variety of industries, including business and financial services and automotive.

    Clients

    • Philips
    • Nike
    • Porsche
    • Coca Cola

    Industries

    Notable Project

    Infinum has been hired by a sound design and music software company to create a standalone solution for their diverse user base. They've built an iPadOS app that handles complex signal paths in real-time.

    "Infinum had a well-realized way of work that we were able to onboard and blend with our existing tools."

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  • 12
    • $50,000+
    • 50 - 249 employees
    • Reigate, United Kingdom

    Sonin is a mobile app development agency based in Reigate, England, and was founded in 2008. Their team of 28 employees specializes in mobile app development, web development, and UX/UI design.

    Clients

    • FatFace
    • Morrisons & Schwartz
    • esure
    • The British Museum

    Industries

    Notable Project

    Sonin App Development provides ongoing mobile app development for a real estate company. The team is developing a property management software that will be available for iOS, iPadOS, Android, and web.

    "The team from Sonin was instrumental in helping us build the platform."

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  • 13
    • $25,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Headquartered in New York, iTechArt is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, iTechArt has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, iTechArt’s talent pool includes 3500+ engineers with experience in all of the latest technologies.

    Clients

    • ClassPass
    • ZEFR
    • Gain Capital (forex.com)
    • Merkle

    Industries

    Notable Project

    iTechArt Group helped a software company develop a complex system with various cloud components from scratch. The team initially discussed the product information, specifications, and implementation process. 

    "The flexibility and ability to staff unique needs on a very tight timeline were world-class."

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  • 14
    • Scheduling

      4.5
    • Quality

      4.7
    • Cost

      4.5
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom

    Fortnight is a boutique design and development studio based in Manchester, U.K., with offices in London and New York. The studio, founded in 2014, has a team of more than ten that provides mobile app development, branding, product design, web design, and UX/UI design services to small and larger-sized companies. 

    Clients

    • OnePlus
    • Bumble
    • Thursday
    • Simba Sleep

    Industries

    Notable Project

    Fortnight was hired by a marketing technology company to design the UI/UX of their web app. The team also designed a logo, came up with a product name, and created copy.

    "Fortnight fulfilled all of our expectations."

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  • 15
    • $25,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.

    Clients

    • Samsung
    • Johnson & Johnson
    • GlobePayroll
    • Siemens

    Industries

    Notable Project

    Andersen Inc. redeveloped a website for a healthcare company that shifted from investigational to commercial use. They built a sitemap, graphics, and animations and added new functionalities.

    "We were impressed with how they took care of their teams and held up the business."

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  • 16
    • Scheduling

      4.8
    • Quality

      4.5
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    Osedea is a computer software company boasting a team of just over 40 employees that provide custom software and mobile app development, as well as AI services. From their headquarters in Montreal, Canada, they partner with enterprise and mid-market companies in the manufacturing, energy, and telecom sectors. 

    Industries

    Notable Project

    A swimming lessons company hired Osedea to improve their web app. The team addressed the app’s issues and worked on the booking system, which includes a customizable calendar. They still support the app.

    "They're able to find solutions within our budget."

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  • 17
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    CubeZoo is a web development company. The small team is headquartered in Randburg, South Africa. Their services include web development, mobile app development, and enterprise app modernization.

    Clients

    • Allegra
    • BMW
    • Investec
    • Vodacom

    Industries

    Notable Project

    CubeZoo is developing an API tool for a financial services company. The solution extracts data from accounting software programs and transforms those into reports and graphics. 

    "Their team goes out of their way to ensure that the product is of superior quality."

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  • 18
    • Scheduling

      4.6
    • Quality

      4.6
    • Cost

      4.5
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 50 - 249 employees
    • London, United Kingdom

    Waracle is a digital products specialist in the UK with offices in London, Glasgow, Edinburgh, and Dundee. Founded in 2007, the company has more than 150 employees delivering high performance apps for mobile, web, Internet of Things, mixed reality, artificial intelligence, and voice. Waracle operates across a range of industry sectors, from fintech, energy, and digital health, to industrial IoT and oil and gas.

    Clients

    • Virgin Money
    • Scottish Power
    • Sainsbury’s Bank
    • Royal London

    Industries

    Notable Project

    Waracle created an Android/iOS app to encourage more engagement with independent retailers. Besides featuring product information, the app allows retailers to buy promotional deals through a loyalty program.

    “Rather than just looking at the technical requirements, they took the time to understand our business and goals.”

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  • 19
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    AMS LLC is a development agency in Cherry Hill, N.J. and Minsk, Belarus. Founded in 2017, they have about 20 employees that serve mostly small-business and midmarket clients in the transportation, education, and financial sectors. Their services are specialized in mobile app development.

    Clients

    • Sandbox
    • Lil Durk
    • General Electric
    • Square Inc.

    Industries

    Notable Project

    Interexy provided multiple development projects for a wellness company.

    "I am continually impressed by their professionalism, expertise, and friendliness."

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  • 20
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 10 - 49 employees
    • London, United Kingdom

    STAKK is a London-based mobile app company founded in 2020. With fewer than 50 employees, they specialize in mobile app development, web development, and UX/UI design for clients that work in various industries, such as IT, business services, and the government.

    Clients

    • The British Museum
    • Nivoda
    • London North Eastern Railway
    • Tempus Magazine

    Industries

    Notable Project

    Stakk designed and developed an iOS and Android communication app for an internet publishing company. They're currently providing updates and maintenance to the platforms.

    ''We’ve been delighted with their work, and they've exceeded our expectations..''

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  • 21
    • $50,000+
    • 10 - 49 employees
    • London, United Kingdom

    Ampersand & Ampersand is a mobile app development company based in London. Founded in 2011, the team of 19 specializes in mobile app development, UX/UI design and wearable app development. They work primarily with small business and enterprise clients, mainly in the healthcare and medical industry.

    Clients

    • Kingston Hospital NHS Foundation Trust
    • Barts Health NHS Trust
    • Boehringer Ingelheim
    • TedX

    Industries

    Notable Project

    Ampersand & Ampersand worked on mobile app development for a healthcare platform. They developed iOS and Android apps for the healthcare sector, capable of integrating with various APIs. The client was impressed with the positive feedback the project received.

    “People like the app so far. Ampersand takes their work very seriously.” – Entrepreneur, Healthcare Platform

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  • 22
    • Scheduling

      4.5
    • Quality

      4.8
    • Cost

      4.2
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Kin + Carta is a tech-centered management consultancy based in Chicago. Founded in 1964, they also have offices in London, San Francisco, New York, and Singapore. Their team of approximately 3,000 focuses primarily on enterprise clients in the financial services and health care fields. Services include mobile app development, cloud consulting, and more.

    Clients

    • AstraZeneca
    • Expedia
    • Santander
    • Barclays

    Industries

    Notable Project

    Kin + Carta worked with a cloud technology company on a data analytics pipeline optimization project. They built an improved pipeline program for a financial services client. 

    "Kin + Carta worked really hard to come up with the right solution and create the most value for the customer."

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  • 23
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Heveloon ltd is a mobile app development company in London, United Kingdom. Founded in 2018, they have about 5 employees that serve mostly small-business and midmarket clients in the medical, business, and financial services sectors. Services include mobile app development, blockchain, and enterprise app modernization. 

    Clients

    • Cocconapp
    • TherapYOU
    • Cabalda
    • Wtatruffles

    Industries

    Notable Project

    A healthcare startup collaborated with Heveloon ltd to develop a mobile app that would allow them to quickly address their customer's needs. The team also helped build an iOS and Android version of the app.

    "They were always available and capable of resolving any kind of problem."

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  • 24
    • Scheduling

      4.9
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Workin Geeks is a software company based in Moscow with more than 10 members. Founded in 2018, they are experts in custom software, web, and mobile app development solutions.

    Clients

    • Kinokhod
    • Evotor
    • Prime
    • CryptoTrader

    Industries

    Notable Project

    Workin Geeks is developing a mobile app for iOS and Android that supports a cultural heritage nonprofit. The app guides users to important locations and helps them connect.

    “With their skills, they will deliver the right product.”

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  • 25
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Red C London is a mobile app development agency, founded in 1997. Based in London, their team of 11 specializes in mobile app development, web design, and UX/UI design. They work primarily with enterprises and midmarket businesses, focusing on financial services, government, and nonprofits.  

    Clients

    • Sony
    • Save The Children
    • NHS
    • Thames Water

    Industries

    Notable Project

    Red C London worked with an event advertising startup to create an iOS application. They provided development services to design and build an iOS-based mobile application.

    “Red C displayed great communication and development skills throughout the project. They worked at a competitive price and willingly performed corrections when necessary.” – Founder, Event Advertising Startup

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  • 26
    • $5,000+
    • 2 - 9 employees
    • London, United Kingdom
    InternetStars is a London, United Kingdom-based application development firm. The small team focuses on mobile app development, mobile & app marketing, ux/ui design, web development, and more. The firm was founded in 2011.

    Clients

    • National Bank of Poland
    • Selgros Cash&Carry
    • Orange Telekom
    • Marvipol Development

    Industries

    Notable Project

    InternetStars Agency developed and tested a mobile app for an advertising agency.

    "They were very responsive."

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  • 27
    • Scheduling

      4.7
    • Quality

      4.7
    • Cost

      4.5
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    In Saint Petersburg, Florida; Jaipur, India; Gurugram, India and Gurugram, India, DianApps is an app development firm. Established in 2017, the midsize team offers mobile app development, web development, and ux/ui design.

    Clients

    • Pagarkhata
    • NOZL
    • Tripp

    Industries

    Notable Project

    DianApps provides a fintech company with backend development services in Node.js. They’re working on the client’s proprietary software, and their teammate is often sent new tasks to execute. 

    “The teammate from DianApps is very technically savvy.”

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  • 28
    • Scheduling

      4.2
    • Quality

      4.4
    • Cost

      4.4
    • NPS

      4.5
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    Clavax is a software, web and mobile app development company headquartered in San Jose, California, with offices in New Delhi, India, New South Wales, Australia, and Gurgaon, India. Founded in 2011, the team of over 200 employees specializes in mobile app development, web development, and AR/VR development. They primarily serve small businesses in the IT, real estate, and education industries. 

    Clients

    • PWC
    • Fujitsu
    • Auction
    • Cleveland Clinic

    Industries

    Notable Project

    Clavax is developing a medical company's app and database tool using Python. 

    "I can rely on them to do a good job."

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  • 29
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    ProductCrafters is a software development company based in Khmelnitsky, Ukraine. Their team of fewer than 10 employees provides custom software, web, and mobile app development services. The company was founded in 2016.

    Clients

    • BeautyAdvisor
    • Raisal
    • ProcessBoard
    • LTC Consulting

    Industries

    Notable Project

    A financial institution hired ProductCrafters to provide custom software development. They work collaboratively with the client's team to develop new ideas and pioneer new concepts to their existing projects.

    "They don’t feel like a hired contractor; they’re part of our team."

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  • 30
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    EVNE Developers is a full-service IT development agency based in Kropivnitskiy, Ukraine. Founded in 2011, EVNE has around 30 employees that serve mostly smaller businesses in the eastern European market. Their services include web design and development, mobile development, and eCommerce integration.

    Clients

    • Blue Ridge Mountain Resources
    • Vigonation
    • Skillbyte

    Industries

    Notable Project

    EVNE Developers, LLC developed a financial management app for a fintech company. They built native versions for Android and iOS devices and worked on security features to protect the end users' personal data. 

    "They not only do development but also try to solve your business needs."

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