Top 100 Software Development Companies in the United Kingdom

Sell Staged is a London-based web and mobile app development company founded in 2019 with no more than 50 professionals. They specialize in web development, mobile app development, and UX/UI design solutions for clients ranging from small firms to large companies.

CI&T (formerly CINQ Technologies) is software development company based in Curitiba, Brazil with additional offices in Brazil and Miami. Founded in 1992, the team of 271 specializes in custom software development, IT staff augmentation, and UX/UI design. They work primarily with enterprise clients in the transportation and financial services industries.

FiftyFive Technologies is a custom software development company. They are located in London, United Kingdom and have a midsize team. Their services include custom software development, mobile app development, IoT development, and Artificial Intelligence.

Dwellfox is a IT strategy consulting company. They specialize in IT strategy consulting, IT managed services, ERP consulting and SI, and web development and were established in 2016. Their midsize team is in New York, New York.

Animus Bytes is an UX design company. Founded in 2020, the team focuses on ux/ui design, custom software development, web development, and mobile app development. Their small firm is headquartered in London, United Kingdom.

In London, United Kingdom, Parallel is a software development company. The agency focuses on custom software development, ux/ui design, product design, and web development and is small.The agency was established in 2020.

Qwerty Experts is a New York, New York-based web development company. The small firm was established in 2021. Their team offers web development, e-commerce development, and web design.

Xenia Tech is a development agency founded in 2017 with fewer than 50 members. Based in Da Nang, Vietnam, they are experts in web development, mobile app development, and web design for small businesses in the fields of IT, business services, and advertising.

Distributed is a London-based tech company with over 250 members founded in 2017. They specialize in custom software development, IT staff augmentation, and mobile app development for mid-market and enterprise-level businesses alike.

Appsnation, an application development firm, was established in 2016. The small team provides mobile app development, custom software development, web development, wearable app development, and more. The firm is headquartered in Los Angeles, California.

Pixelfield is a digital agency based in London. Founded in 2012, their team of around 15 employees specializes in UX/UI design, product design, and custom software development.

Full Clarity is an expert team of UX designers and developers based in Farnham, England. Founded in 2018, the company provides trusted UX/UI design, web development, and mobile app development solutions for clients across various industries, ranging from education and healthcare to financial services, and from SME to household name companies. They design digital solutions which are data driven, user informed and designed to impact business goals.

Rightsoft LTD, a custom software development company, was launched in 2018. Headquartered in London, United Kingdom, their small team offers custom software development, web development, mobile app development, IT strategy consulting, and more.

Coders Dev is a web design and mobile app development company based in London with offices in Singapore and Abu Dhabi, U.A.E. The company, founded in 2010, has more than 500 employees and provides web development and AI services. Coders Dev serves small and larger-sized companies in the health care & medical, hospitality & leisure, consumer products & services, financial services, gaming, telecommunications, automotive, manufacturing, and e-commerce industries. 

Based in Ascot, U.K., Information EXP is a Microsoft consultancy partner. Founded in 2019, their small team of 2 specializes in productivity, collaboration & UC consulting and SI and cloud consulting. 

Mass is a Battle, United Kingdom-based software development company. The small company was launched in 2023. Their services include custom software development and ux/ui design.

Blockchain company Bitorix was founded in 2018. Their small team is headquartered in London, United Kingdom. Bitorix provides blockchain, custom software development, and web development.

Founded in 2019, Deutrix is a small website development company located in Novi Sad, Serbia. Their services include web development and web design.

Ray Solutions Ltd is an IT staff augmentation company. They specialize in IT staff augmentation, custom software development, Artificial Intelligence, web development, and more and were established in 2012. Their midsize team is Lightwater, United Kingdom-based.

Esynergy is a big data analytics company. They are headquartered in London, United Kingdom and have a midsize team. Their services include BI & big data consulting & SI, cloud consulting & SI, custom software development, mobile app development, and more.

Softexpoit Pvt. Limited, a mobile application development company, was founded in 2021. The small London, United Kingdom-based team specializes in mobile app development, custom software development, other application development, application management & support, and more.

Small mobile application development company Appy Ventures, is located in Farnham, United Kingdom and Exeter, United Kingdom. Established in 2012, the team provides mobile app development, ux/ui design, custom software development, application testing, and more.

Foresight Mobile is an end-to-end mobile development agency founded in 2016 based in Manchester, England. Run by a team of fewer than 10, they offer custom software, mobile app, and web development services to their clients.

Founded in 2010, Silverchip is located in Manchester, United Kingdom. Their team of 13 employees provides mobile app development and custom software development services for enterprise, midmarket, and small businesses.

Academy Smart is an outsourcing company founded in 2009 based in Kharkiv, Ukraine. Their team of 80 provide client with their IT staff augmentation, custom software development, and web development needs, using frameworks such as Spring MVC, AngularJS, and ReactJs, among others.

Authentic Studio is a creative agency founded in 2010 run by a team of less than 50. Headquartered in London, with an office in Hong Kong, Authentic Studio provides custom software development, UX/UI design, and web development services for small businesses as well as mid-market and large firms. They have experience working with clients from the fields of financial services, education, and automotive.

Fulcrum Digital is an IT firm based in Jersey City, N.J. with more than 1,000 members worldwide. Founded in 1999, they are experts in IT strategy consulting, ERP consulting, and IT managed services for mid-market and enterprise-level clients alike.

Pynest is a small IT staff augmentation company. The Tallinn, Estonia-based agency was founded in 2021. Their team offers IT staff augmentation and custom software development.

FocusReactive is an IT strategy consulting company. They are based in Amsterdam, Netherlands; London, United Kingdom and Stockholm, Sweden and have a small team. The firm specializes in IT strategy consulting, custom software development, mobile app development, web development, and more.

Custom software development company Blue Tea Software - London is located in Chobham, United Kingdom. The small team provides custom software development, web development, mobile app development, and enterprise app modernization. The firm was founded in 2014.