Top 100 Software Development Companies in the United Kingdom

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.

Goodface agency is a web agency based in Kyiv, Ukraine with more than 10 members. Since their founding in 2015, they have offered web design and development solutions to small businesses that work in the industries of education, business, and financial services.

Hue&machine, an UX agency, is located in London, United Kingdom. They specialize in ux/ui design, custom software development, web design, and web development and were founded in 2020.

Ready4S is a full-service web and mobile app development company based in Cracow, Poland, with offices in the UK and Ukraine. Started in 2011, this team of 25+ creates digital solutions for organizations both large and small.

Small web design company and web development firm Plume, is located in Bristol, United Kingdom. Their services include web design and web development.

Old.St Labs is a software development business based in London. The business, founded in 2020, has a team of more than ten that provides custom software development, mobile app development, UX/UI design, web design & development, and AI services. Old.St Labs serves small and mid-market companies in the advertising & marketing, education, financial services, health care & medical, and legal industries.

Founded in 2009, Lightflows is a development company based in Guildford, U.K. They primarily work with midmarket clients from various industries including advertising, marketing, business services, consumer products, finance, and healthcare. 

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.

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.
 

Parkside Interactive is a software company founded in 2007 with more than 50 members. They provide custom software development,  enterprise app modernization, and UX/UI design services from their office in Graz, Austria. They work primarily with small businesses.

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.

ByteCorp is a software development firm. Their small team is headquartered in Middletown, Delaware; Karachi, Pakistan and Thuwal, Saudi Arabia. The firm focuses on custom software development, Artificial Intelligence, ux/ui design, and IT staff augmentation.

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.

Solar Digital is a development-focused digital agency based in Odessa, Ukraine. Founded in 2016, Solar Digital has a team of 28 employees. They provide branding, UI/UX design, web development, and mobile app development services to a diverse and global client base.

ClearSky Logic, a custom software development firm, was founded in 2018. The firm offers custom software development, BI & big data consulting & SI, cybersecurity, and IT staff augmentation and has a small team.

Founded in 2007, Evolve IT Consulting is an IT consulting firm. Their team is based in Ratby, United Kingdom, with an additional office in Kyiv, Ukraine. They focus on custom software development, IT staff augmentation, and mobile app development.

Fabrit Global is a web app development company based in Aberdeen, U.K., with an office in Cluj-Napoca, Romania. The company, founded in 2014, has a team of more than 30 that provides web development and custom software development services. Fabrit Global serves mid-market and small companies in various industries that include financial services, hospitality & leisure, and energy & natural resources.

Clock Limited is a digital design and build company. Founded in 1997, the company is headquartered in Kings Langley, United Kingdom. They have a team of around 35 employees who focus on custom software, web, and mobile app development.

LANARS is a digital agency based in Dnipro, Ukraine. Founded in 2015, it has approximately 57 employees. They focus on mobile app development, IoT development, and other app development.

KeyToTech is a software development agency based in Lviv, Ukraine. Founded in 2017, the company offers custom software development, mobile app development, and UX/UI design done by their team of 10. They work with small businesses and midmarket firms from many different industries, including financial services, e-commerce, and healthcare.

Bright Interactive is a software development company Based in East Sussex, United Kingdom, that was founded in 1999. Their team of 32 provides custom software development, web development, UX/UI design. 

Custom software development firm Unity Developers was launched in 2017. Their small team is located in Bedford, United Kingdom. Unity Developers offers custom software development, mobile app development, AR/VR development, product design, and more.

Small mobile application development company 6B Digital, is headquartered in Wakefield , United Kingdom. Launched in 2013, the team provides mobile app development, web development, ux/ui design, and BI & big data consulting & SI.

Founded in 2017, Evoque Innovative Lab is a development firm. Their team of around 10 employees is based in Bangalore, India, with an additional office in Kochi, India. They focus on custom software development, mobile app development, and UI/UX designs.

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.

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.

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. 

Full Metal Software is a bespoke software development agency located in Northampton, England. Founded in 2004, they have three employees specializing in full stack web development and innovative business solutions for small and midmarket companies, typically in business services, finance, and healthcare. Services include project management, code updating, CMS support, software development, and outsourcing.

Digica is a software company founded in 2017 in Lodz, Poland. Their team of more than 10 specializes in IoT development, custom software development, and AI solutions for mid-market and enterprise-level companies in the fields of advertising and government services.

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.