Top 100 IT Services Companies in London

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. 

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.

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. 

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.

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.

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.

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.

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.

Clear Thinking Solutions is a communication and IT solutions provider based in Essex, U.K., with an office in London. The company, founded in 2009, has a team of more than 20 that provides IT managed services, cybersecurity, and IT strategy consulting to small and midmarket companies.

Vodworks is a London, United Kingdom-based data analytics company. They offer BI & big data consulting & SI, custom software development, broadcast video, IT strategy consulting, and more and were launched in 2011.

SPD Group is an IT and development company in London, United Kingdom; Kyiv and Cherkasy, Ukraine; and Tel Aviv, Israel. Founded in 2006, they have about 16 employees that serve mostly midmarket and small-business clients in the business, financial, and IT sectors. Services include custom software development, AI, and IoT development.

Based in Vienna, VA, 10Pearls designs and maintains apps for various companies. The company and its nearly 350 employees have experience in cybersecurity, product development, and UX/UI design.

Founded in 2009, Carden IT Services in a London based IT company with offices in Brighton, Essex and New York City. They have a team of 13 who provide IT managed services, IT consulting, IT strategies, and voice services to small and mid market businesses. 

High Digital Limited is a web development firm established in 2017. Their small team is located in London, United Kingdom. Their services include web development, marketing strategy, web design, ux/ui design, and more.

Vega IT is a midsize software development company. Founded in 2008, the firm is located in Novi Sad, Serbia; New York, New York and London, England. Their services include Custom Software Development, CRM consulting and SI, Mobile App Development, E-Commerce Development, and more.

Gemstone is a small data analytics company launched in 2008. Their services include BI & big data consulting & SI, Web Development, and Mobile App Development. The firm is in Chorleywood, England.

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.

Beyond Analysis is a marketing and advertising firm that has offices in Wimbledon, United Kingdom and Sydney, Australia. Founded in 2007, Beyond Analysis's team of just over 20 employees has over a decade of experience specializing in big data consulting/SI. The firm also offers artificial intelligence and marketing research services to its clients.   

Exometrics is an AI development company. They are in London, United Kingdom and have a small team. The agency provides Artificial Intelligence, BI & big data consulting & SI, and business consulting.

Core Blue Ltd is a software engineering company based in London with an office in Plymouth, U.K. The company, founded in 2015, has a team of less than ten that provides custom software development, mobile app development, web development, and IoT development services to various companies.

Elsewhen, a midsize software development firm, is located in London, United Kingdom. Their services include custom software development, enterprise app modernization, IT strategy consulting, business consulting, and more.

CHILDISH.AI is an AI consulting firm founded in 2018. With offices in Sofia and London, they bring together a team of experts with technical and scientific backgrounds and deep industry expertise in healthcare, banking, insurance, and fintech. Their goal is to help organizations utilize AI to accelerate their growth and provide them with a competitive advantage.

The Virtual Forge, a big data analytics company, was established in 2010. The midsize Holt, United Kingdom-based team provides BI & big data consulting & SI, custom software development, cloud consulting & SI, devops managed services, and more.

PufferSoft, a cloud consulting & SI company, was established in 2019. Their small team is headquartered in Faisalabad, Pakistan and London, United Kingdom. Their services include cloud consulting & SI.