Top 30 Software Development Companies in London

Theodo UK, founded in 2015, is a consultancy and digital development agency headquartered in London with an additional location in Paris. With a team of over 30 employees, they mainly provide mobile app development, web development, and custom software development services.
 

Sprint Innovations is a development agency based in London with fewer than 10 employees. Founded in 2014, they offer custom software, web, and mobile app development solutions for clients that work in the fields of business services, financial services, and real estate.

AtraX is a small website development company established in 2006. Their services include web development, custom software development, graphic design, IT strategy consulting, and more. The company is in Florence, Italy and Tirana, Albania.

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.

Founded in 2009, Trembit is a full-service software development company based in Kiev. The team of 35+ provides custom software development, e-commerce development, web development, and mobile app development for mainly small businesses. 

SovTech is a custom software development company based in Johannesburg with offices in London and Nairobi. Founded in 2012, they work with enterprise and midmarket businesses with a focus on clients in the financial services industry. 

Elsewhen, a midsize software development firm, is located in London, United Kingdom. Their services include custom software development, enterprise app modernization, IT strategy consulting, business consulting, and more.

High Digital Limited is a web development firm established in 2017. Their small team is located in London, United Kingdom. Their services include web development, marketing strategy, web design, ux/ui design, and more.

Softwire is a digital design, engineering and support agency, with offices in London, Cambridge and Manchester. Employing over 200 engineers we create bespoke digital software, mobile apps, and offer strategic IT consulting for some of the UK’s leading brands including the BBC, David Lloyd Clubs, Channel 5 and many large Government Departments.

Yalla is an UX design company. They are in London, United Kingdom and Gaza City, Palestine, State of and have a small team that specializes in ux/ui design, custom software development, web design, web development, and more. The agency was launched in 2019.

Plug & Play is a UX/UI agency based in London and Surrey. Founded in 2007, they are specialists in user experience and user interface design for software, websites and custom applications. They also have a front-end development service to support clients with the design implementation. Plug & Play work across a number of sectors with their clients ranging from funded startups to large corporations such as Legal & General.

TH-EY is a development agency in London, England. Founded in 2017, they have about 8 employees that serve clients in a variety of industries. Services include custom software development, web development, and mobile app development.

Default-Value Software Developers is an e-commerce development company. They specialize in e-commerce development, custom software development, and web development and were founded in 2010. Their small team is Chercassy, Ukraine-based.

Zoondia is a custom software development and technology solutions company based in Trivandrum, India, with offices in the USA, Qatar, UAE, and Saudi Arabia. The company was founded in 2008, and their staff of around 80 provides blockchain, chatbot, big data analytics, digital marketing, cloud and infrastructure, QA, IoT, and VR/AR services to small to big businesses and companies.

Despite only being around since 2002, Dotsquares has nearly 1000 employees across the UK, UAE, US, Australia, India, and France. They offer a staggering variety of services, including web, app, game, and e-commerce development and IT consulting and support.

Bit Zesty is a custom software development firm. They provide custom software development, ux/ui design, web development, application management & support, and more and were launched in 2009. Their small team is London, United Kingdom-based.

Uinno is a consultancy, solution design, and software development agency founded in 2019. Uinno has 50+ people on board with headquarters based in Ukraine and Estonia. The company works with midmarket companies and fast-growing startups. They are fully focused to solve your business challenges. No matter the technology or architecture, Uinno will find the most optimal solution and deliver a ready-to-operate product.

Sugar Rush Creative is an app and software development agency based in Belfast. The company was founded in 2003. Since then, it has become a leading digital agency in Northern Ireland and the UK, employing around 10. Sugar Rush Creative has provided market-leading mobile apps, digital animations and web software to clients in industries such as public service, healthcare, education, hospitality, compliance, and many more.

Robosoft Technologies is a full-service digital experiences agency offering digital advisory, design strategy, UX/UI services, application development & maintenance and expertise in emerging technologies such as AR, VR, blockchain, chatbots and more. Established in 1996 and headquartered in San Francisco, the team of 500+ has offices in Mumbai, Udupi, Bengaluru, Chicago, and New York.

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.

NEVERBLAND is a web development firm. They provide web development, web design, ux/ui design, custom software development, and more and were launched in 2010. Their small team is London, United Kingdom-based.

DataArt is a software engineering firm in München, Germany; Zug, Switzerland; London, England; and New York. Founded in 1997, they have about 3,000 employees that serve mainly midmarket and small-business clients in the financial, healthcare, and IT sectors. Services include custom software development, enterprise app modernization, and UI/UX design.

TLVTech, a small cloud consulting & SI company, is headquartered in Ramat Gan, Israel. They specialize in cloud consulting & SI, custom software development, web development, Artificial Intelligence, and more and were established in 2017.

Rokk is a London-based web development company. With an additional office in Exeter, U.K., they operate with a total of 29 employees. Since their founding in 2002, they have provided custom software development, mobile app development, and web design to their clients.
 

bvblogic is a full-stack web and mobile development company headquartered in Ivano-Frankivsk, Ukraine, with additional offices in Warsaw, Poland; Kiev, Ukraine; and Toronto, Ontario. Founded in 2008, bvblogic's team of around 75 employees specializes in web development, mobile app development, and custom software development. bvblogic primarily works with midmarket and enterprise clients in the business services, consumer products, and advertising industries. 

Bladeware is an app development company that is headquartered in Zaporizhzhya, Ukraine. Founded in 2018, the team of work to provide mobile app development, custom software development, and application testing services to their small business clients. They primarily work with businesses within the education, information technology, and business services industries. 

Flat Rock Technology is a development agency headquartered in London, with an office in Varna, Bulgaria. Since 2008, their team of 88 has been specializing in custom software development, mobile app development, UX/UI design, and more for mainly midmarket-size clients. They primarily serve clients in the IT, consumer products & services and media industries. 

Takeaway Reality is an AR/VR development company headquartered in London, United Kingdom. The small firm was established in 2020. Their team offers AR/VR development, marketing strategy, mobile & app marketing, and business consulting.