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, ILBetterWorld 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.Read More
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1291$5,000+10 - 49 employeesByfleet, England4D Data Centres is a small IT managed services company established in 1999. Their team specializes in IT managed services and cloud consulting & SI.Read More
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1292$5,000+10 - 49 employeesChippenham, EnglandAvagio is an IT managed services company. Launched in 2002, the agency provides IT managed services and IT strategy consulting.Read More
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1293$5,000+10 - 49 employeesBradford, EnglandBlack Marble is a small IT managed services company. Founded in 1997, the team offers IT managed services and IT strategy consulting.Read More
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1294$5,000+50 - 249 employeesGuildford, EnglandBritannic Technologies is an IT managed services company. They are located in Guildford, England. Their team offers IT managed services and IT strategy consulting.Read More
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1295$5,000+2 - 9 employeesGlasgow , ScotlandFounded in 2008, Cofficient is a small IT strategy consulting company. Their services include IT strategy consulting and CRM consulting and SI.Read More
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1296$5,000+10 - 49 employeesEnfield, EnglandIT managed services company Coreix was launched in 2003. Based in Enfield, England and London, England, the team provides IT managed services.Read More
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1297$5,000+250 - 999 employeesChesterfield, EnglandEBECS, an ERP consulting and SI company, is in Chesterfield, England and Sheffield, England. Their services include ERP consulting and SI and IT strategy consulting.Read More
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1298$5,000+10 - 49 employeesLondon, EnglandEnforce Technology Limited, a small IT managed services company, is located in London, England and Birmingham, England. The team offers IT managed services and IT strategy consulting.Read More
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1299$5,000+10 - 49 employeesLondon, EnglandIT managed services company Fitzrovia IT is based in London, England and Enfield, England. The team specializes in IT managed services and IT strategy consulting.Read More
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1300$5,000+10 - 49 employeesLondon, EnglandBased in London, England, Lanmark is a small cloud consulting & SI company. Their services include cloud consulting & SI and IT managed services.Read More
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1301$5,000+2 - 9 employeesNorthampton, EnglandFounded in 2000, Nortech Network Services is an IT managed services company. The team focuses on IT managed services and is headquartered in Northampton, England.Read More
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1302$5,000+2 - 9 employeesEdinburgh, ScotlandEstablished in 2003, Onestop is a small IT strategy consulting company headquartered in Edinburgh, Scotland. Their team focuses on IT strategy consulting and IT managed services.Read More
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1303$5,000+10 - 49 employeesGuildford , EnglandSmall IT managed services company Pro Drive IT Limited, is in Guildford , England. The team provides IT managed services and IT strategy consulting.Read More
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1304$5,000+10 - 49 employeesSurrey, EnglandRecarta IT Limited is an IT managed services company established in 2005. The firm provides IT managed services and IT strategy consulting, and is small.Read More
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1305$5,000+10 - 49 employeesBirmingham, EnglandVanti is an IT managed services company. The team provides IT managed services and IT strategy consulting, and the firm is headquartered in Birmingham, England and Naucalpan de Juárez, Mexico.Read More
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1306$5,000+50 - 249 employeesHayes, EnglandEstablished in 2001, Armadillo is an IT managed services company. The agency specializes in IT managed services and IT strategy consulting.Read More
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1307$5,000+10 - 49 employeesBelfast, Northern IrelandAtlas, an IT managed services company, was founded in 1972. The small team specializes in IT managed services and IT strategy consulting.Read More
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1308$5,000+10 - 49 employeesMacclesfield, EnglandAxon is an IT managed services company. The team is in Macclesfield, England and York, England, and their services include IT managed services and IT strategy consulting.Read More
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1309$5,000+10 - 49 employeesGlasgow, ScotlandBridgeall is an IT managed services company. The Glasgow, Scotland-based team provides IT managed services and IT strategy consulting.Read More
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1310$5,000+10 - 49 employeesGlasgow , ScotlandCloud Cover IT is an IT managed services company located in Glasgow , Scotland. They offer IT managed services and IT strategy consulting and were launched in 1997.Read More
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1311$5,000+250 - 999 employeesLondon, EnglandCloud consulting & SI company Cloudreach was founded in 2009. The company provides cloud consulting & SI and IT managed services, and is midsize.Read More
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1312$5,000+50 - 249 employeesLondon, EnglandConnect Managed Services is an IT managed services company. Based in London, England, the firm specializes in IT managed services.Read More
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1313$5,000+50 - 249 employeesSurrey , EnglandEsteem Systems Ltd, an IT managed services company, focus on IT managed services and IT strategy consulting. They were established in 1985.Read More
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1314$5,000+10 - 49 employeesSouth Shields , EnglandHTG is an IT managed services company. Their small team of employees is in South Shields , England. Their team offers IT managed services and IT strategy consulting.Read More
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1315$5,000+50 - 249 employeesHitchin, EnglandModern Networks is an IT managed services company. The firm is located in Hitchin, England. Their team provides IT managed services and IT strategy consulting.Read More
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1316$5,000+50 - 249 employeesLondon , EnglandNiu Solutions is a London , England-based IT managed services company. They provide IT managed services and IT strategy consulting and were founded in 2000.Read More
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1317$5,000+2 - 9 employeesHaddenham, EnglandParalogic Networks is an IT managed services company. Established in 2002, the company focuses on IT managed services and IT strategy consulting.Read More
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1318$5,000+50 - 249 employeesBirstall, EnglandSec-1 is an IT managed services and Cybersecurity company. Launched in 2001, the firm is based in Birstall, England. Their team focuses on IT managed services and Cybersecurity.Read More
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1319$5,000+10 - 49 employeesLondon, EnglandIT managed services company Databarracks was founded in 2003. The team provides IT managed services and Cybersecurity and is located in London, England.Read More
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1320$5,000+2 - 9 employeesHarlow, EnglandFirst Stop IT is an IT managed services company. Launched in 2000, their team offers IT managed services and IT strategy consulting.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.
Most Reviewed
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