Top 100 iPhone Applications Development Companies in London

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Top 100 iPhone Applications Development Companies in London

February 2023

Looking for a top iOS app agency in London?

iPhone developers are crucial for engaging the U.S. 

Jump to Most Reviewed Companies

List of the Best London iOS App Developers

  • 1
    • Scheduling

      4.5
    • Quality

      4.7
    • Cost

      4.4
    • NPS

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

    Founded in 2007, hedgehog lab is a global software consultancy of 200+ that specializes in multi-platform software and device innovation. Headquartered in London with six offices across three continents, their team architects, designs, and develops app solutions that prepare brands for the future of post-PC devices.

    Clients

    • Aviva
    • AJ Bell
    • LaserShip
    • Santander

    Industries

    Notable Project

    hedgehog lab works on app development for Android and iOS for an InsurTech company. They’ve built a software development kit for the client’s mobile technology using JavaScript, Kotlin, Swift, and Objective-C.

    “hedgehog lab invests time and effort into our products and creates greater opportunities for us to explore together.”

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  • 2
    • Scheduling

      4.8
    • Quality

      5.0
    • 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 developed a mobile app for a dating platform. After a series of discovery meetings, their team created designs that could be implemented into the app.

    "What we found most impressive is their ability to code and develop anything that you can imagine."

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  • 3
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Exyte is a software development firm based in Novosibirsk, Russia. Founded in 2014, Exyte primarily works with startups on product development and has 14 employees. Their diverse technology stack and forward-thinking approach set them apart; they offer full-cycle mobile app development, AR/VR development, and UI/UX design.

    Clients

    • Delta Airlines
    • Monsanto
    • PWC
    • Bayer

    Industries

    Notable Project

    Exyte worked with a B2B software products company to align their existing Objective-C code to a modernized Apple-based app. They utilize SwiftUI and Combine as their primary development tools.

    "Exyte has exceeded our expectations in all aspects important to us."

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  • 4
    • Scheduling

      4.8
    • Quality

      4.8
    • 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 provided coding, development, and design services for development of a device monitoring platform. The project required the agency to perform with little oversight and involved complete complex tasks.

    "The project was a success and has led to a substantial increase in the amount of analyzers that we are now selling."

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  • 5
    • $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 has helped with DevOps and worked on the main core system for a mobility solutions company. They’ve also built systems from scratch using PHP, JavaScript, and relational databases hosted on AWS.

    “They’re a stable and reliable team.”

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  • 6
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.4
    • NPS

      4.8
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    • $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 created a simple, straightforward app to serve clients in the luxury nightlife market. They later guided the app through several iterations.

    "I think they’re good at finding the right approach."

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  • 7
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Based in Vienna, VA, 10Pearls designs and maintains apps for various companies. The company and its nearly 350 employees have experience in cybersecurity, product development, and UX/UI design.

    Clients

    • HughesNet
    • Johnson & Johnson
    • PayPal
    • CocaCola

    Industries

    Notable Project

    Brought on to assist the existing development team, 10Pearls provides medical software, website, and administrative back-end development of a large platform.

    “They get the job done, work hard, and are very responsive.”

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  • 8
    • $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 assisted with the development of a flagship mobile app (iOS and Android), allocating a specialized resource for each platform version. The team now provides QA testing and updates as needed. 

    "iTechArt can scale with us as we grow, and they can do it fast."

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  • 9
    • $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 augments a product developer's internal team during long-term, intensive projects. They provide full stack development and implementation for websites and cloud-based solutions.

    "They really try to find appropriate solutions for all of our requests."

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  • 10
    • 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

    Blink22 provided Android application development services, implementing wireframes for the native application while also contributing their own ideas.

    “They proved to be very proactive in a way they helped us solve problems.”

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  • 11
    • Scheduling

      4.6
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      5.0
    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
    • Scheduling

      4.7
    • Quality

      4.8
    • 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 has developed a pharmacy software company’s web application. The team has built the front- and backend, done some integration work, and assisted the client with the network and server.

    “The quality of their development staff is really good and has surpassed our expectations.”

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  • 13
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $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

    Notable Project

    App Boxer developed a paperless software solution to link with a healthcare CRM, creating the design and working through the process from development to publishing, branding, and maintenance.

    "Their CEO is a young wizard who grew up on technology."

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  • 14
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.4
    • 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 developed a mental health awareness app, designed to deliver information to university students in an engaging, friendly, and non-stigmatizing way.

    "[3 Sided Cube] were very much about the user experience first and foremost."

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  • 15
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.7
    • 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 designed the product’s UI and developed a mobile application and an admin panel for a mental health platform. The app was an onboarding system for patients that used bank IDs to log in.

    “It was a smooth process and a good collaboration overall.”

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  • 16
    • $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 developed a web application that allowed users to browse through hundreds of textiles while offline. Their team was responsible for design and development work.

    "They ensured the solution we asked for was going to give us the best result."

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  • 17
    • $25,000+
    • 50 - 249 employees
    • Rickmansworth, United Kingdom

    Light IT is a data science consulting and software development company located in Zaporizhzhia, Ukraine and founded in 2006. They have 132 employees who provide custom web and mobile software development services to various-size companies in advertising, finance, healthcare, travel, and education. This includes IT consulting, market research, QA, design, and business analytics.

    Clients

    • Gaming Engage
    • CarLend Deals
    • Tapway

    Industries

    Notable Project

    Light IT Global is the iOS development contractor of a software development company. With the client's guidance, they work on iOS development, using Swift as the main tool and Python for the AI functionality.

    "We really appreciate the openness."

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  • 18
    • Scheduling

      4.8
    • Quality

      4.8
    • 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

    Osedea developed a modern manufacturing application for a renewable energy company. They were also tasked with UI/UX design and backend work.

    "They accommodated our requests as the project went into the plan."

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  • 19
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 250 - 999 employees
    • London, United Kingdom

    One Beyond is a bespoke software development and digital transformation company headquartered in London with additional engineering centers in Madrid (Spain), Budapest & Szeged (Hungary) and Bucharest (Romania). Across international locations, they have a team of more than 350 individuals providing custom software, web and mobile application development and large- scale digital transformation to a diverse clientele.They support large established businesses, nonprofits, government organizations, and VC-funded startups

    Clients

    • Smith & Nephew
    • GAIL's Bakery
    • Costa Express
    • Pearson

    Industries

    Notable Project

    One Beyond (formerly DCSL GuideSmiths) developed a cloud-based web app for a contract company. The digital tool lets users define large construction projects and streamlines the procurement process for contractors.

    “Whenever there was a problem, they helped us come up with a solution.”

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  • 20
    • Scheduling

      4.4
    • Quality

      4.6
    • Cost

      4.6
    • NPS

      4.8
    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

    A logistics company hired Glance to create an MVP of their custom booking and sales system. The service provider subcontracted this development work to complete the build.

    "I think more transparency would have helped me make better informed decisions."

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  • 21
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $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

    Notable Project

    A parenting app provider hired Digiruu to develop a prototype and website they could use to pitch their ideas to investors. They explored the HLRs, designed the app, and built the prototype and website.

    "Digiruu were a total delight to work with — their knowledge, expertise, commitment, and service were faultless."

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  • 22
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    Intellectsoft is a boutique digital transformation consultancy headquartered in Palo Alto, California. The Company provides cutting edge engineering solutions for global and Fortune 500 companies with the mission to help enterprises accelerate adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation.

    Intellectsoft maintains its advanced domain expertise through five dedicated labs:  Cognitive Computing, Decentralized Applications (i.e. Blockchain), Internet-of-Things (IOT), Premier Customer Experience (CX), and Mixed Reality (AR, VR).

    Established in 2007, Intellectsoft operates across multiple offices with the engineering centers in the U.S., the U.K., the Nordic region and Eastern Europe.

    Clients

    • Mitsubishi
    • Fleet Nurse
    • Harley-Davidson
    • Jaguar Land Rover

    Industries

    Notable Project

    Intellectsoft was hired to develop a unique mobile gaming app for iOS. They immediately impressed the client with their professionalism and attention to detail.

    "They couldn't have done anything more."

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  • 23
    • Scheduling

      4.6
    • Quality

      4.7
    • Cost

      4.2
    • 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 developed a mobile app for helping companies and citizens waste fewer food resources. They began by creating the iOS version and widget, then later built an Android version.

    "They were always happy to come to our offices and present and to offer us advice."

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  • 24
    • 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 provided website creation and app development. They built an interactive app for a digital offering. 

    "We are really happy with this partnership."

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  • 25
    • Scheduling

      4.9
    • Quality

      5.0
    • 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 working on a data development platform's UI design for their web-based app. They are also responsible for developing their backend. 

    "The respective teams communicate seamlessly with each other."

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  • 26
    • 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 provides development platform services for a North American food distribution company. Their work includes creating and maintaining a modern e-commerce interface.

    “Their ability to deliver is really clear, and their processes are easy to learn from.”

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  • 27
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Thoughtbot is a web and mobile app development company based in Boston, MA with offices in Austin, San Francisco, New York, Raleigh, Washington D.C, and London. Since 2003, this 50+ team has delivered empowering digital solutions to enterprise-level and small companies alike.

    Clients

    • Postmates
    • Iora Health
    • JoyDrive
    • SplitFit

    Industries

    Notable Project

    A scrum master and development team from Thoughtbot augmented a team that develops consumer advocacy programs. Most of their work involved information architecture and functional back-end development. 

    "The end quality of the product was as solid as we could have hoped for."

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  • 28
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Studio Graphene is a 90+ employee interdisciplinary team of strategists, designers, developers, and product managers. Studio Graphene is headquartered in London with studios in New Delhi, Lisbon, and Geneva. They collaborate with clients — from startups to established businesses — to define the details and specifications of projects, including custom software development, mobile app development, and UX/UI design.

    Clients

    • Diageo
    • Nesta
    • Harth
    • Mars

    Industries

    Notable Project

    Studio Graphene developed a personalization functionality for a mental health company's platform. Their resources redesigned the platform's onboarding flow and developed a new customer engagement product. 

    "Their development skills are excellent."

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  • 29
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.7
    • NPS

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

    Supercharge is a digital production firm that is headquartered in Budapest, Hungary with a second office in London. Founded in 2010, Supercharge's team of more than 100 employees specializes in web and mobile app development. The firm also offers UI/UX design services to its clients.  

    Clients

    • Kodak Alaris
    • Metlife
    • Silicon Labs
    • Ericsson

    Industries

    Notable Project

    Supercharge has provided software development services to a pharmaceutical company. The team has built a platform for healthcare professionals to connect with data scientists.

    “We are more than satisfied with the product they’ve delivered.”

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  • 30
    • $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 was hired to develop an app for the client, a large teaching hospital that wants a specialized app for the UK rather than a limited functionality one or a hospital-specific one. Work began in November 2015 and is ongoing, as the app hasn't launched yet.

    "Ampersand has a lot of experience in the app space, and they were very good at focusing us on what users would be thinking."

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