Top 100 IT Services Companies in the United Kingdom

Link Group Global, inc. Is an Austin, Texas-based human resources agency. The midsize company was established in 2015. Their services include HR services, IT managed services, and IT staff augmentation.

Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.

Secret Source, a CRM consulting and SI company, was founded in 2015. They are located in Market Deeping, United Kingdom and have a small team. Their services include CRM consulting and SI, marketing strategy, content marketing, digital strategy, and more.

impakt Advisors is a big data company based in New York. Founded in 2016, this company has 10 employees. Services provided by impakt Advisors include IT strategy consulting, big data consulting, and cloud consulting for businesses of all sizes.

Smartdesc is a London-based IT company with a team of fewer than 50 people. Founded in 2011, they offer IT strategy consulting, cloud consulting, and cybersecurity solutions for small and mid-market businesses, primarily non-profit organizations.

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. 

Polestar Solutions & Services is an IT services company with locations in Mumbai and Noida, India. Since 2012, their team of 150+ specializes in BI & big data consulting & SI, IT managed services, IT strategy consulting, and staff augmentation for mostly midmarket clients. 

Software Solved is an Exeter, United Kingdom-based custom software development company. They specialize in custom software development, BI & big data consulting & SI, cloud consulting & SI, Artificial Intelligence, and more and were launched in 1998.

Headquartered in Leeds, United Kingdom, BJSS is an IT consultancy with offices in London, New York, and Bristol and Manchester, U.K. Since 1993, their team of 750+ has specialized in custom software development, application testing, IT strategy consulting, and more for enterprise-level and midmarket clients. 

Founded in 2017, Lambert Labs is a software development agency that specializes in Python. Their team of fewer than 10 employees is based in London. They also provide web development services and application testing. 

IT Labs, a IT strategy consulting company, is in Palm Beach Gardens, Florida; London, United Kingdom; Noordwijk, Netherlands and Skopje, North Macedonia. Founded in 2005, the midsize team focuses on IT strategy consulting, cloud consulting & SI, custom software development, and blockchain.

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.

Founded in 2005, PGS Software is an IT solutions company based in Wroclaw, Poland. They provide development and consulting services to businesses of all sizes from a variety of industries. 

SADA Systems, with a team of 350+ employees, is a software consulting agency that was founded in 2000. SADA Systems is headquartered in Los Angeles, with an office in Washington. The agency helps a variety of clients with their cloud consulting and system integration, IT strategy consulting, and software development needs.

One Beyond is a bespoke software development and digital transformation company headquartered in London with additional engineering centers in Madrid (Spain), Budapest & Szeged (Hungary) and Bucharest (Romania). Across international locations, they have a team of more than 350 individuals providing custom software, web and mobile application development and large- scale digital transformation to a diverse clientele.They support large established businesses, nonprofits, government organizations, and VC-funded startups

Global Talent is an IT firm based in London with more than 50 experts. Since their founding in 2017, they have provided IT staff augmentation, custom software development, and IT strategy consulting solutions for clients ranging from small firms to large companies.

PAV I.T. Services is an IT company in Leeds and Burgess Hill, England. Founded in 1988, they have about 33 employees that serve mostly small-business and midmarket clients in the automotive, legal, and financial sectors. Services include IT managed services, cloud consulting, and IT strategy consulting.

Golden Owl Consulting Ltd is a development agency founded in 2015 in Ho Chi Minh, Vietnam, with no more than 250 employees. They are experts in mobile app development, web development, and UX/UI design services.

Codal is a full stack agency located in Chicago, IL. Their 90+-person team works in mobile app development, strategy, e-commerce development, and UX design. Their clients include enterprise companies and startups. Over the years they have worked in consumer products, business services, health, and education.

Compete366 is a cloud agency founded in London in 1998. With over 10 employees, they specialize in cloud consulting, IT strategy consulting, and cybersecurity solutions for small businesses.

Cloudserve is a cloud solutions provider based in Bournemouth, England with an office in London. Founded in 2009, their team of fewer than 50 professionals offers IT managed services, IT strategy consulting, and cloud consulting & SI services for small and medium-sized businesses. They have experience working in various industries, including hospitality, financial services, and IT.

Ballard Chalmers is a software development company based just south of London. Founded in 2005, their team provides custom software development, modernisation and integration, as well as support and IT Managed Services.

We Are Telescopic, a software development company, was established in 2013. The company offers custom software development, web development, mobile app development, ux/ui design, and more and has a small team.

Located in London, United Kingdom, Pluralit Inclusive Technology is a midsize IT staff augmentation company. Established in 2019, the team specializes in IT staff augmentation, IT managed services, cloud consulting & SI, custom software development, and more.

Rishabh Software is a software development firm headquartered in San Jose, Calif., with additional offices in Harrow, U.K., and Vadodara, India. It was founded in 2000 and has more than 700 employees. They specialize in web development, enterprise app modernization, and custom software development. The team mainly works with small business and midmarket clients in the financial services, retail, and education industries.

Gemstone is a big data company. The small Chorleywood, United Kingdom-based agency was founded in 2008. Their team specializes in BI & big data consulting & SI, web development, mobile app development, web design, and more.

BridgeApps Ltd is a small cloud consulting & SI company. They provide cloud consulting & SI, IT managed services, IT strategy consulting, ECM consulting and SI, and more and were launched in 2015.

Altkom Software & Consulting, founded in 1998, is a software development company headquartered in Warsaw, Poland, with an additional office in Krakow, Poland. They specialize in custom software development, web development, and application management & support. The company has 130+ employees who work with enterprise, mid-market, and small businesses. The businesses they serve are mostly in the financial services industry. 
 

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.

Founded in 2005 and headquartered in Croydon, UK, GoodCore Software specializes in bespoke software development. WIth a team of about 50 employees, the company offers web and mobile app development to startups and established businesses alike. Engagement options include fixed- cost and dedicated development teams.