Top 100 Software Development Companies in the 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.

Objective is a software development firm. The small Great Baddow, United Kingdom-based team provides custom software development, BI & big data consulting & SI, Artificial Intelligence, conversion optimization, and more. The agency was launched in 1987.

56 Degrees is a web development agency with a team of under 10 employees. Based in London and founded in 2010, they provide web development, web design, and e-commerce development services. 

Influential Software is a software development firm in London, United Kingdom; Maidstone, United Kingdom and Glasgow, United Kingdom. The firm focuses on custom software development, web development, BI & big data consulting & SI, IT managed services, and more and has a midsize team.The firm was launched in 1993.

VTS Software is software development company located in Manchester, U.K. Since 2007, their small team of around 5 has been specializing in custom software, web, and mobile app development for small and mid-sized businesses alike. They have experience in a variety of industries such as advertising, healthcare, manufacturing, and business services. 

SourceCodeStudio is a small custom software development company. The Bury St Edmunds, United Kingdom-based company was founded in 2016. Their services include custom software development, ux/ui design, web development, e-commerce development, and more.

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. 

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.

Black Pepper Software Ltd is a software development firm based in Leamington Spa, United Kingdom with a team of 40 experts. Founded in 1999, they have provided custom software development, IT strategy consulting, and UX/UI design solutions for small firms, midmarket businesses, and large companies. They have experience working in multiple industries, including consumer products & services, financial services, and non-profit.

JDD Agency is a custom software development company. The Totton, United Kingdom-based agency was launched in 2017. The small team provides custom software development, e-commerce development, application management & support, IT strategy consulting, and more.

Seb Azzo is a custom software development company based in London made up of a team of fewer than 10 members. Since their founding in 2012, they have provided custom software development and enterprise app modernization solutions for clients ranging from startups to large firms, working in industries such as hospitality, education, and business services.

Limeup is a Product Design Studio headquartered in London, United Kingdom. It was founded in 2019 and has since grown to over 20 employees and helped over 50 companies create stellar designs for their products. They primarily serve clients from Fintech and Gambling industries.

Pixelette Technologies Ltd is a SEO services firm headquartered in London, United Kingdom. They focus on search engine optimization, conversion optimization, digital strategy, social media marketing, and more and were launched in 2018.

Computools is a software solutions agency founded in 2013. With its headquarters in Kiev, Ukraine, they have a team of 120 employees. Their services include custom software development, blockchain development, and e-commerce development. They primarily serve small business and midmarket clients in the business services, financial services, and healthcare and medical industries. 

Ecce. Is a small web design agency in Otford, United Kingdom. They provide web design, branding, e-commerce development, mobile app development, and more and were established in 1999.

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.

Empat is a digital agency based in Kyiv, Ukraine, and founded in 2013. With no more than 50 professionals, they provide e-commerce, web, and mobile app development solutions for clients in the industries of financial, dental, and healthcare services.

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.

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.

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.

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.

Established in 2013, Inktrap is a small SEO agency. Their team focuses on search engine optimization, web design, advertising, ux/ui design, and more. The firm is based in 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.

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.