Top 100 Web Development Companies in the United Kingdom

Digis is a midsize web development firm established in 2015. Their services include Web Development, Artificial Intelligence, IT managed services, Custom Software Development, and more. The firm is based in London, England; New York, New York; București, Romania and L'viv, Ukraine.

Based in Poland, STX Next is a global software development company. The agency was founded in 2005 and carries a team of over 200 full-stack Python developers alone. In total, the company has over 400 professionals that specialize in web development, software development, and application testing.

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.

Imaginary Cloud is a Web, Mobile and AI Software Development and UX/UI Design Company with offices in the UK, US and Portugal. In the last 11 years they have helped build and scale more than 300 applications, from Start-ups, Scale-ups to Enterprises, winning several global awards. They offer a comprehensive skill set of developers, data scientists and designers coupled with a streamlined agile process.

Buttercups is a custom software development company and web development firm. The Kyiv, Ukraine-based firm was established in 2019. The small team offers custom software development and web development.

DotCode is a design and development company based in Lviv, Ukraine, and founded in 2018. Their team of more than 10 provides web development, web design, and e-commerce development solutions for clients in the fields of hospitality, advertising, and financial services.

Founded in 2009, Unosquare, LLC is headquartered in Lake Oswego, Ore. with other locations in Guadalajara, Mexico, and Belfast, U.K. With more than 600 employees, they provide software testing and development services, combined with their staff augmentation services to meet software engineering needs, using nearshore development professionals.

SENLA is a fast-growing software development company in 5 EU locations, founded in 2012. Our team of 600+ certified technical specialists and managers has large expertise in a full-cycle development from BA to maintenance as well as separate services like QA or UX Audit. We have successfully completed over 350 projects in FinTech, Healthcare, Manufacturing and other industries.

Human Made is a website development company. They are based in New York, New York; Matlock, England; South Brisbane, Australia and Appleton, Wisconsin and have a midsize team. Their services include Web Development. The firm was launched in 2010.

Valiant Design is a strategic creative agency located in Farnham, England. They have about 13 teammates. Since 2010, they have provided branding, web design, and packaging design services to primarily midmarket agencies in the health care and medical, business services, and manufacturing industries.

GeekyAnts is a mobile app development company that's headquartered in Bangalore, India; they also have a London office. They were founded in 2006 and have about 59 employees that provide services for mobile app development, web development, and UX/UI design services to clients of all sizes in a wide array of industries. 

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.

Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention 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, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.

Founded in 2013, Empat is a midsize application development company. Their team offers Mobile App Development, Web Development, and Custom Software Development. The agency is headquartered in Kyiv, Ukraine; San Francisco, California; London, England and Miami, Florida.

Impression Studio is a branding company located in Harrogate, United Kingdom and London, United Kingdom. Founded in 2009, the small team offers branding, web design, web development, digital strategy, and more.

Torchbox is a web design agency launched in 2000. The firm focuses on web design, web development, ux/ui design, pay per click, and more and has a midsize team.

This is Undefined, a branding firm, is located in London, United Kingdom. The small company was founded in 2018. Their team offers branding, digital strategy, ux/ui design, mobile app development, and more.

Synetec is a software development consultancy headquartered in London. They were established in 2009, and have 26 employees. Synetec's range of services includes cloud, CRM, and business intelligence consulting, software integration, web development, custom software development, and more.

Custom software development firm Studio 24 is located in Cambridge, United Kingdom. The small company was founded in 1999. Their team focuses on custom software development, digital strategy, marketing strategy, web design, and more.

Wozify is a software company founded in Budapest, Hungary in 2018 with no more than 50 employees. They specialize in web development, architectural design, and IT strategy consulting services for various clients.

Digital strategy company wcopilot is in L'viv, Ukraine. The small team offers digital strategy, web development, ux/ui design, email marketing, and more and was founded in 2015.

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.

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.

Zerocoder is a London, United Kingdom-based software development firm. The large firm was founded in 2023. Their services include custom software development, web development, mobile app development, web design, and more.

*instinctools is a custom software development company. They are headquartered in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware and have a midsize team. Their services include Custom Software Development, Web Development, IT strategy consulting, Mobile App Development, and more. The firm was launched in 2000.

Website development firm Solar Digital was launched in 2016. They are based in London, England and Odesa, Ukraine and have a small team. Solar Digital provides Web Development, Custom Software Development, UX/UI Design, Web Design, and more.

Filter Digital, a website development company, was launched in 2016. Their small team is headquartered in London, United Kingdom. The agency focuses on web development, mobile app development, custom software development, and digital strategy.

Marzee Labs is a web development company that has been offering web design, web development, ad e-commerce development services to their clients since 2013. Their 10 employees are based out of their Porto, Barcelona, London, and Setúbal, Portugal offices.