Top 100 IT Services Companies in the United Kingdom
The Best of December 2025
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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$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.
Industries
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1741Undisclosed2 - 9 employeesRadlett, EnglandAmazing Support is an IT strategy consulting company. They are located in Radlett, England. Their team focuses on IT strategy consulting and cloud consulting & SI.Read More
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1742Undisclosed2 - 9 employeesCity of London, EnglandSonar IT is an IT strategy consulting company. The City of London, England-based firm was established in 2019. Their team focuses on IT strategy consulting and cloud consulting & SI.Read More
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1743Undisclosed10 - 49 employeesCity of London, EnglandCybersecurity and IT managed services company Connect Digital Security was launched in 2016. The team specializes in Cybersecurity and IT managed services.Read More
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1744Undisclosed10 - 49 employeesCity of London, EnglandPriority One IT is a cloud consulting & SI company. Their team is based in City of London, England and specializes in cloud consulting & SI and Cybersecurity.Read More
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1745Undisclosed50 - 249 employeesCity of London, EnglandIT strategy consulting company Cardonet was launched in 1999. The team offers IT strategy consulting and Cybersecurity.Read More
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1746Undisclosed2 - 9 employeesCity of London, EnglandCybersecurity company Identiom Limited is headquartered in City of London, England. Their services include Cybersecurity and IT managed services.Read More
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1747Undisclosed50 - 249 employeesCity of London, EnglandCrossword Cybersecurity Plc is a Cybersecurity company. The City of London, England-based agency was founded in 2014. Their team offers Cybersecurity and IT managed services.Read More
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1748Undisclosed10 - 49 employeesCity of London, EnglandComputers in the City is an IT strategy consulting company. The team provides IT strategy consulting and IT managed services, and the agency is headquartered in City of London, England.Read More
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1749Undisclosed10 - 49 employeesCity of London, EnglandIT strategy consulting company Neos-IT was founded in 2001. The agency focuses on IT strategy consulting and cloud consulting & SI.Read More
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1750Undisclosed10 - 49 employeesCity of London, EnglandLabyrinth Technology is an IT strategy consulting company. Established in 2001, the firm provides IT strategy consulting and cloud consulting & SI.Read More
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1751Undisclosed10 - 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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1752Undisclosed2 - 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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1753Undisclosed2 - 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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1754Undisclosed50 - 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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1755Undisclosed10 - 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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1756Undisclosed2 - 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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1757Undisclosed50 - 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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1758Undisclosed50 - 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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1759Undisclosed10 - 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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1760Undisclosed10 - 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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1761Undisclosed10 - 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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1762Undisclosed10 - 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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1763Undisclosed50 - 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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1764Undisclosed10 - 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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1765$1,000+50 - 249 employeesSharjah, United Arab EmiratesDOT 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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1766Undisclosed10 - 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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1767Undisclosed250 - 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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1768Undisclosed50 - 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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1769Undisclosed50 - 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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1770$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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Check out an IT Services Company in United Kingdom with the most new reviews in the past 12 months.
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