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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1261$5,000+2 - 9 employeesNottingham, EnglandRoundWorks IT, a small IT managed services company, is headquartered in Nottingham, England. Their services include IT managed services and IT strategy consulting.Read More
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1262$5,000+250 - 999 employeesCroydon, EnglandIT managed services company Coretx is in Croydon, England. Their services include IT managed services and cloud consulting & SI.Read More
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1263$5,000+10 - 49 employeesLondon, EnglandOur IT Department is an IT managed services company in London, England. They focus on IT managed services and cloud consulting & SI.Read More
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1264$5,000+10 - 49 employeesLondon, EnglandZiptech Services is an IT managed services company. They are headquartered in London, England and have small team of experts. Their services include IT managed services and IT strategy consulting.Read More
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1265$5,000+50 - 249 employeesSandiacre, EnglandAir-IT is an IT managed services company. Their midsize team is in Sandiacre, England and provides IT managed services and IT strategy consulting. The agency was launched in 2005.Read More
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1266$5,000+50 - 249 employeesLondon, EnglandConosco is an IT managed services company based in London, England. The team focuses on IT managed services and IT strategy consulting.Read More
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1267$5,000+50 - 249 employeesBerkshire, EnglandBytes Technology Group is an IT managed services company launched in 1999. Based in Berkshire, England, the team focuses on IT managed services and IT strategy consulting.Read More
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1268$5,000+50 - 249 employeesBrighton, EnglandIdeal is an IT managed services company. In Brighton, England, the team focuses on IT managed services and IT strategy consulting.Read More
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1269Undisclosed50 - 249 employeesLondon, EnglandMade by Many is a London, England-based Product Design company. The team provides Product Design and unified communications consulting & SI.Read More
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1270$5,000+2 - 9 employeesHersden, EnglandHeadquartered in Hersden, England, J & J Systems is a small IT managed services company. The team specializes in IT managed services.Read More
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1271$5,000+2 - 9 employeesSt Helens, EnglandIT managed services company LaneSystems provides IT managed services and IT strategy consulting. They are headquartered in St Helens, England.Read More
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1272$5,000+50 - 249 employeesEngland, EnglandTelehouse Europe is an IT managed services company located in England, England. They specialize in IT managed services and IT strategy consulting.Read More
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1273$5,000+10 - 49 employeesChandler's Ford, EnglandBased in Chandler's Ford, England, Vermont Systems is a small IT managed services company. Their services include IT managed services and cloud consulting & SI.Read More
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1274$5,000+50 - 249 employeesRiseley, England365IT is an IT managed services company. Their midsize team is in Riseley, England. Their services include IT managed services and IT strategy consulting.Read More
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1275$5,000+10 - 49 employeesNewbury , EnglandAmatis Networks, an IT managed services company, was launched in 2012. They provides IT managed services and IT strategy consulting.Read More
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1276$5,000+50 - 249 employeesKings Langley, EnglandAnnodata is an IT managed services company. The team is based in Kings Langley, England, and their services include IT managed services and IT strategy consulting.Read More
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1277$5,000+1,000 - 9,999 employeesLondon, EnglandInteroute Communications is an IT managed services company. They are based in London, England and Nottingham, England, and their services include IT managed services and other IT consulting and SI.Read More
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1278$5,000+10 - 49 employeesBournemouth, EnglandIT3000 is an IT managed services company. Established in 2006, the company provides IT managed services and IT strategy consulting.Read More
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1279$5,000+50 - 249 employeesLondon, EnglandMBA IT is a midsize IT managed services company headquartered in London, England. Their services include IT managed services and IT strategy consulting.Read More
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1280$5,000+2 - 9 employeesCumbernauld, ScotlandNevcom is an IT managed services company. The Cumbernauld, Scotland-based firm offers IT managed services and cloud consulting & SI.Read More
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1281$5,000+50 - 249 employeesDerby, EnglandIT managed services company Node4 was founded in 2004. The agency focuses on IT managed services and cloud consulting & SI, and is midsize.Read More
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1282$5,000+10 - 49 employeesLoughton, EnglandIT managed services company Acuutech was founded in 1996. The small team provides IT managed services and cloud consulting & SI.Read More
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1283$5,000+50 - 249 employeesWarrington, EnglandAdept4, a midsize IT managed services company, is headquartered in Warrington, England. Their services include IT managed services and IT strategy consulting.Read More
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1284$5,000+50 - 249 employeesCambridge, EnglandArcus Global is a Cambridge, England-based IT managed services company. They offer IT managed services and BI & big data consulting & SI and were established in 2009.Read More
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1285$5,000+2 - 9 employeesLeigh, EnglandIT managed services company Cloud4 Computers was founded in 2009. The firm focuses on IT managed services and cloud consulting & SI, and is small.Read More
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1286$5,000+50 - 249 employeesLondon, EnglandLanware is an IT managed services company launched in 1993. Their team specializes in IT managed services and IT strategy consulting.Read More
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1287$10,000+50 - 249 employeesLondon, EnglandOCSL is an IT managed services company. In London, England, their team provides IT managed services and IT strategy consulting.Read More
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1288$5,000+10 - 49 employeesNewbury, EnglandStream Networks , an IT managed services company, is based in Newbury, England. The team provides IT managed services and IT strategy consulting.Read More
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1289$5,000+10 - 49 employeesLondon, EnglandVeber is an IT managed services company. Founded in 1999, the firm is based in London, England. Their services include IT managed services and IT strategy consulting.Read More
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1290$5,000+10 - 49 employeesLondon, EnglandZed One is an IT managed services company. Founded in 2005, the team provides IT managed services and cloud consulting & SI. The company is in London, England.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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