Top 100 IT Services Companies in the United Kingdom
The Best of April 2026
IT services form the foundation of contemporary businesses. Today, a company's operations entirely rely on computer systems and software, which streamline processes for better efficiency. Having a partner that guarantees the seamless operation of these vital systems is crucial, as it directly impacts a brand's success—a robust and dependable backend results in a user-friendly frontend, enhancing traffic, engagement, and conversions.
The only problem modern companies face is finding such a partner. One with technical expertise and a deep understanding and insight into the company’s industry. This is why The Manifest created and curated a list of the top performers in the IT services development industry in the United Kingdom. Make sure to go through each option and read the user-contributed reviews about them. Choose the agency that best suits your company’s needs and requirements.
Jump to Most Reviewed Companies
List of the Best United Kingdom IT Companies
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661$1,000+10 - 49 employeesPitstone, EnglandCloudandmore, a Cybersecurity company, was founded in 2021. The team focuses on Cybersecurity and IT strategy consulting and is based in Pitstone, England and Bristol, England.Read More
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662$1,000+2 - 9 employeesRomford, EnglandHeadquartered in Romford, England, ILL IT Solutions is a big data company. Founded in 2009, the team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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663Undisclosed50 - 249 employeesRedhill, EnglandTrustVare Software is a big data analytics company headquartered in Redhill, United Kingdom. The midsize team offers BI & big data consulting & SI, cloud consulting & SI, and custom software development. The firm was launched in 2020.Read More
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664$1,000+1,000 - 9,999 employeesLondon, EnglandNoventiq India is an IT strategy consulting company founded in 1993. The firm specializes in IT strategy consulting and cloud consulting & SI, and is large.Read More
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665$5,000+10 - 49 employeesTheale, EnglandCRM consulting and SI company ServerSys was launched in 1998. The team provides CRM consulting and SI and is located in Theale, England.Read More
Industries
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666Undisclosed10 - 49 employeesKinver, EnglandServeline IT, an IT strategy consulting company, was launched in 2008. The team specializes in IT strategy consulting and cloud consulting & SI and is in Kinver, England.Read More
Industries
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667$250,000+1,000 - 9,999 employeesLuton, EnglandLaunched in 2005, Mouri Tech Limited is an IT strategy consulting company. The team offers IT strategy consulting and BI & big data consulting & SI and is in Luton, England.Read More
Clients
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668Undisclosed250 - 999 employeesLondon, EnglandAdventus is a midsize IT strategy consulting company launched in 2005. Their services include IT strategy consulting and cloud consulting & SI.Read More
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669Undisclosed10 - 49 employeesBrighton, EnglandIngenio Technologies is an IT managed services company. The Brighton, England-based agency specializes in IT managed services and IT strategy consulting.Read More
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670Undisclosed10 - 49 employeesDoogary, Northern IrelandLoughTec IT · Cyber Security, a Cybersecurity company, focuses on Cybersecurity and IT managed services. The agency is in Doogary, Northern Ireland.Read More
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671Undisclosed50 - 249 employeesBuckshaw Village, EnglandIT strategy consulting company Netcentrix was established in 1995. The midsize team offers IT strategy consulting and cloud consulting & SI.Read More
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672Undisclosed10 - 49 employeesSheffield, EnglandKaizen IT Solutions Ltd is an IT strategy consulting company. The team is located in Sheffield, England and London, England, and their services include IT strategy consulting and IT managed services.Read More
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673$1,000+10 - 49 employeesDarlington, EnglandBondgate IT is a cloud consulting & SI company. In Darlington, England, their team provides cloud consulting & SI and Cybersecurity.Read More
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674Undisclosed10 - 49 employeesWokingham, EnglandEstablished in 2014, Coffee Cup Solutions is a small Wokingham, England-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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675$1,000+50 - 249 employeesDerby, EnglandSSG Business Services Pvt Ltd is an IT strategy consulting company launched in 2013. In Derby, England and Bengaluru, India, the team provides IT strategy consulting and Cybersecurity.Read More
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676UndisclosedFreelancer employeesBrighton and Hove, EnglandSmall Cybersecurity company PC HELP MAN, is based in Brighton and Hove, England. The team focuses on Cybersecurity and other IT consulting and SI.Read More
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677$1,000+10 - 49 employeesLondon, EnglandSectricity is a Cybersecurity company established in 2021. In Merelbeke-Melle, Belgium and London, England, the team specializes in Cybersecurity.Read More
Industries
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678$1,000+10 - 49 employeesLondon, EnglandLaunched in 2000, 1st-it Limited is an IT strategy consulting company. The team focuses on IT strategy consulting and cloud consulting & SI and is headquartered in London, England.Read More
Industries
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679Undisclosed10 - 49 employeesLeeds, EnglandSmall Application Testing company RapidSpike, is located in Leeds, England. Their services include Application Testing and Cybersecurity.Read More
Industries
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680$10,000+250 - 999 employeesRomford, EnglandAI firm Mitosis Technologies is based in Rajakilpakkam, India and Westminster, Colorado. Founded in 2013, the team provides Artificial Intelligence and Custom Software Development.Read More
Industries
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681Undisclosed2 - 9 employeesWatchfield, EnglandColtella Ltd is a small Watchfield, England-based IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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682$1,000+2 - 9 employeesGuildford, EnglandEstablished in 2015, Indigo Iris is a CRM consulting and SI company. The agency provides CRM consulting and SI, and is small.Read More
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683Undisclosed10 - 49 employeesRosslyn Crescent, Harrow, EnglandAdvanced Cloud Solutions is a cloud consulting & SI company founded in 2020. The small team specializes in cloud consulting & SI and CRM consulting and SI.Read More
Industries
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684$5,000+2 - 9 employeesLondon, EnglandClarity for Action is a small Business Consulting company. Launched in 2024, the team focuses on Business Consulting, IT strategy consulting, and Funding & Investment. The company is located in London, England.Read More
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685$10,000+2 - 9 employeesBrighton & Hove, EnglandMiggle one ltd is a CRM consulting and SI company. Their small team is located in Brighton & Hove, England. Their services include CRM consulting and SI and Business Consulting.Read More
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686$5,000+2 - 9 employeesHertfordshire, EnglandLaunched in 2006, ClevaGroup is an IT managed services company. The small team specializes in IT managed services and IT strategy consulting.Read More
Industries
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687$5,000+10 - 49 employeesLondon, EnglandLumina Technologies Ltd is an IT managed services company. The Hemel Hempstead, England-based team specializes in IT managed services and cloud consulting & SI.Read More
Industries
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688$10,000+50 - 249 employeesMilton Keynes , EnglandManaged. Is an IT managed services company established in 2009. The midsize team specializes in IT managed services and cloud consulting & SI.Read More
Industries
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689Undisclosed50 - 249 employeesEdinburgh, ScotlandBased in Edinburgh, Scotland, Quorum Network Resources Ltd is a custom software development company. Their services include Custom Software Development and cloud consulting & SI.Read More
Industries
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690$5,000+10 - 49 employeesGateshead, EnglandSmall IT managed services company Smart-IT Group, is based in Gateshead, England. Their services include IT managed services and cloud consulting & SI.Read More
Industries
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