Top 100 IT Services Companies in the United Kingdom
The Best of July 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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1921Undisclosed10 - 49 employeesChester, EnglandValto is a cloud consulting & SI company. The team specializes in cloud consulting & SI and IT managed services, and the firm is in Chester, England and City of London, England.Read More
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1922Undisclosed2 - 9 employeesCroydon, EnglandEstablished in 2001, Ingenious Ltd is a small IT strategy consulting company headquartered in Croydon, England. Their team focuses on IT strategy consulting and cloud consulting & SI.Read More
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1923Undisclosed2 - 9 employeesCity of London, EnglandIn City of London, England and Phoenix, Arizona, Dasuni Limited is a Cybersecurity company. They specialize in Cybersecurity and IT managed services and were founded in 2005.Read More
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1924Undisclosed50 - 249 employeesCity of London, EnglandRidgewall, a midsize IT managed services company, is in City of London, England. The team specializes in IT managed services and cloud consulting & SI.Read More
Industries
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1925Undisclosed10 - 49 employeesCity of London, EnglandPortman Tech, an IT strategy consulting company, was founded in 2004. The company specializes in IT strategy consulting and cloud consulting & SI.Read More
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1926Undisclosed2 - 9 employeesHavant, EnglandCYBRID is an IT strategy consulting company. The team focuses on IT strategy consulting and cloud consulting & SI, and the agency is based in Havant, England and City of London, England.Read More
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1927Undisclosed50 - 249 employeesCity of London, EnglandCloudscape IT Support London is a midsize IT strategy consulting company in City of London, England and London, England. The team focuses on IT strategy consulting and cloud consulting & SI.Read More
Industries
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1928Undisclosed50 - 249 employeesCity of London, EnglandTribeca Technology Group is an IT strategy consulting company. They focus on IT strategy consulting and Cybersecurity and were launched in 2006.Read More
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1929Undisclosed10 - 49 employeesCity of London, EnglandSmall IT strategy consulting company ITD UK, is based in City of London, England. The team provides IT strategy consulting and cloud consulting & SI.Read More
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1930Undisclosed10 - 49 employeesCity of London, EnglandTipTop IT is an IT strategy consulting company. The small City of London, England-based team focuses on IT strategy consulting and cloud consulting & SI. The company was launched in 2008.Read More
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1931Undisclosed10 - 49 employeesCity of London, EnglandAstute IT is an IT strategy consulting company. The team is based in City of London, England, and their services include IT strategy consulting and cloud consulting & SI.Read More
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1932Undisclosed10 - 49 employeesCity of London, EnglandWizard IT is a small IT managed services company. They specialize in IT managed services and IT strategy consulting and were established in 1995.Read More
Industries
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1933Undisclosed50 - 249 employeesCity of London, EnglandWorksoft is an Application Testing company. Founded in 1998, the team focuses on Application Testing and IT strategy consulting. The company is in Addison, Texas and City of London, England.Read More
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1934Undisclosed10 - 49 employeesBishops Cleeve, EnglandDark Rhino Security, a Cybersecurity company, is in Dublin, Ohio and Bishops Cleeve, England. Launched in 2017, the team focuses on Cybersecurity.Read More
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1935$1,000+50 - 249 employeesLondon, EnglandDOT LABS is a business intelligence company. Based in Sharjah, United Arab Emirates and Lahore, Pakistan, their team offers BI & big data consulting & SI and Artificial Intelligence.Read More
Industries
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1936Undisclosed10 - 49 employeesBelfast, Northern IrelandYarra Software, a small business intelligence company, is headquartered in Belfast, Northern Ireland. The team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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1937Undisclosed250 - 999 employeesBelfast, Northern IrelandLaunched in 2011, AquaQ Analytics is a midsize big data company and IT managed services company. Their services include BI & big data consulting & SI and IT managed services.Read More
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1938Undisclosed50 - 249 employeesLondon, EnglandDSP is a London, England-based cloud consulting & SI company. The team offers cloud consulting & SI and Artificial Intelligence.Read More
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1939Undisclosed50 - 249 employeesLisburn, Northern IrelandXperience is a cloud consulting & SI company. The team focuses on cloud consulting & SI and CRM consulting and SI and is located in Lisburn, Northern Ireland.Read More
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1940$5,000+50 - 249 employeesGateshead, EnglandAdvantex Network Solutions Limited is a midsize IT strategy consulting company. They offer IT strategy consulting and cloud consulting & SI and were established in 2002.Read More
Industries
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1941Undisclosed10 - 49 employeesBelfast, Northern IrelandAllsop Intelligent Software is a small data analytics company. Founded in 1996, the team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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1942Undisclosed250 - 999 employeesBelfast, Northern IrelandSilverSky is a Cybersecurity company. They are headquartered in Morrisville, North Carolina and Milford, Connecticut. Their team offers Cybersecurity.Read More
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1943Undisclosed1,000 - 9,999 employeesLondon, EnglandEstablished in 1999, Secureworks is a large Atlanta, Georgia-based Cybersecurity company. Their services include Cybersecurity.Read More
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1944Undisclosed50 - 249 employeesBelfast, Northern IrelandLaunched in 2002, Blue Zinc IT Ltd is a midsize Belfast, Northern Ireland-based data analytics company. Their services include BI & big data consulting & SI.Read More
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1945Undisclosed50 - 249 employeesLondon, EnglandLaunched in 2011, ThreatSpike Labs is a midsize Cybersecurity company based in London, England. Their team specializes in Cybersecurity.Read More
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1946Undisclosed250 - 999 employeesLondon, EnglandUX design company Avensia, Inc. Was launched in 1998. The team focuses on UX/UI Design and IT strategy consulting.Read More
Industries
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1947Undisclosed50 - 249 employeesLondon, EnglandWestbrook International Ltd is a cloud consulting & SI and CRM consulting and SI company. The company is in London, England. Their services include cloud consulting & SI and CRM consulting and SI.Read More
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1948Undisclosed2 - 9 employeesLondon, EnglandCloud consulting & SI and CRM consulting and SI company CloudAnalysts is headquartered in London, England. The team offers cloud consulting & SI and CRM consulting and SI.Read More
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1949Undisclosed50 - 249 employeesBletchley, EnglandAculab, a cloud consulting & SI company, was launched in 1978. The team specializes in cloud consulting & SI and unified communications consulting & SI.Read More
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1950Undisclosed250 - 999 employeesOxford, EnglandNominet is an Oxford, England-based Cybersecurity company. Launched in 1996, the team specializes in Cybersecurity.Read More
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Check out an IT Services Company in United Kingdom with the most new reviews in the past 12 months.
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