Top 100 Mobile App Developers in London
October 2022Looking 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. So, choosing the right app developer is important because it can save you time and money and result in an app that makes your business stand out.
As you begin the process of hiring an app development company, remember to define the type of app you want before starting conversations with developers. How complex your app idea is will determine your budget and the skill level you need in an app developer. Then, once conversations begin, ask for portfolio items, reviews, and references. Be sure to bring up timeline, too, so you align on expectations.
Overall, with about 90% of time on mobile spent in apps, investing in a mobile app for your business may help attract customers and get your brand in front of more people.
To assist you in your search for a partner, we’ve compiled this list of the top mobile app developers in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.
List of the Best London Mobile App Development Companies
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1
- $10,000+
- 10 - 49 employees
- London, United Kingdom
App Boxer is a mobile app and website development company headquartered in Sydney that services projects internationally. Founded in 2014, App Boxer has grown significantly with over 40 employees servicing founders and enterprise clients internationally. App Boxer runs an advisory and partnership model that incorporates design, marketing, and business strategy from day one before development begins. Services Include app development, website development, branding, and marketing strategy.
Clients
- Cellarmasters
- Woolworths Group
- Momento Hospitality
- Jangler
Industries
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App Boxer is developing a mobile app for a mental performance platform. They’ve built an Android and iOS app where athletes can acquire mental skills. Currently, they’re helping with pilot tests.
“They’ve been really helpful throughout the process.”
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2
- $50,000+
- 2 - 9 employees
- London, United Kingdom
Digiruu is a digital firm founded in 2016 run by a team of fewer than 10 professionals. Based in London, the company lends their expertise in mobile app development, UX/UI design, and web design to clients ranging from startups to large enterprises, working in various industries such as consumer products, advertising, and media.
Clients
- Pretty Lavish
- ByErim
- The Climate Week NYC
- Subconsciously
Industries
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Digiruu is developing an iOS and Android application. They’ve progressed from wireframes and mockups to a functional MVP and now a live application. They work with Firebase and React Native for this project.
“Whenever we find a bug, their team jumps right on it. They care about us, which is a key plus.”
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3
- $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
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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
- $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
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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
- $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
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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
- $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
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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
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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
- $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
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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
- $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
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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
- $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
- FieldBI
- AutoBI
- AgroTop
Industries
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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
- $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
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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
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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
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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
- $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
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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
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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
- $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
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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
- $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
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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
- $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
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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
- $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
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Interexy provided multiple development projects for a wellness company.
"I am continually impressed by their professionalism, expertise, and friendliness."
-
20
- $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
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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
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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
- 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
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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
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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
- $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
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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
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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
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InternetStars Agency developed and tested a mobile app for an advertising agency.
"They were very responsive."
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27
- $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
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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
- $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
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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
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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
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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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