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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481$5,000+2 - 9 employeesHarrow, EnglandServer Consultancy Ltd is an IT managed services company. Headquartered in Harrow, England, their small team focuses on IT managed services and IT strategy consulting. The agency was launched in 2004.Read More
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482Undisclosed1,000 - 9,999 employeesLondon, EnglandEndava is a software development firm. Their large team is in London, England and Atlanta, Georgia. Their services include Custom Software Development and IT strategy consulting.Read More
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483Undisclosed1,000 - 9,999 employeesLondon, EnglandHarvey Nash Group is a custom software development company launched in 1988. The agency focuses on Custom Software Development and Artificial Intelligence, and is large.Read More
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484Undisclosed50 - 249 employeesLondon, EnglandHeleCloud is a cloud consulting & SI company founded in 2016. The team provides cloud consulting & SI and IT managed services.Read More
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485$1,000+50 - 249 employeesMorley, EnglandWebhosting UK is a cloud consulting & SI company. Their team is located in Morley, England. The agency offers cloud consulting & SI.Read More
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486$1,000+10 - 49 employeesLondon, EnglandEstablished in 2018, Anika Tech Support, a small IT managed services company, is in London, England. Their team specializes in IT managed services and IT strategy consulting.Read More
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487$250,000+1,000 - 9,999 employeesCambridge, EnglandARM Global is an IT managed services company. They provide IT managed services and Business Consulting and were launched in 2008.Read More
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488$25,000+250 - 999 employeesFulwood, EnglandAviation Job Search is an IT managed services company. Founded in 1999, their team focuses on IT managed services.Read More
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489Undisclosed10 - 49 employeesManchester, EnglandRemedian IT Solutions Ltd, an IT managed services company, is in oldham, England and Manchester, England. Their services include IT managed services and Digital Strategy.Read More
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490Undisclosed50 - 249 employeesCoventry, EnglandEstablished in 2020, Hardware Break Fix is an IT managed services company. The team focuses on IT managed services.Read More
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491Undisclosed50 - 249 employeesEly, EnglandGRC Solutions is an IT strategy consulting company headquartered in Ely, England. They specialize in IT strategy consulting and Cybersecurity.Read More
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492Undisclosed1,000 - 9,999 employeesLondon, EnglandEstablished in 2014, Cloud4C is an IT managed services company. The agency offers IT managed services and cloud consulting & SI, and is large.Read More
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493Undisclosed250 - 999 employeesEast Ardsley, EnglandSharp Business Systems UK Plc is an IT managed services company. The East Ardsley, England-based agency was established in 1964. Their services include IT managed services and Cybersecurity.Read More
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494$5,000+10 - 49 employeesSunbury-on-Thames, EnglandIntelogy - Microsoft 365 Partner & Managed IT Services Provider is a cloud consulting & SI company. The team offers cloud consulting & SI and IT managed services and is in Sunbury-on-Thames, England.Read More
Industries
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495$1,000+2 - 9 employeesCardiff, WalesCloudavian, a cloud consulting & SI company, is headquartered in Cardiff, Wales. Founded in 2018, the team offers cloud consulting & SI and BI & big data consulting & SI.Read More
Industries
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496$10,000+10 - 49 employeesLondon, EnglandPeru Consulting Ltd is an Enterprise App Modernization company. They offer Enterprise App Modernization and BI & big data consulting & SI and were founded in 2012.Read More
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497$25,000+1,000 - 9,999 employeesLondon, EnglandProlifics is an ECM consulting and SI company. Launched in 1978, the team focuses on ECM consulting and SI and unified communications consulting & SI.Read More
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498$1,000+2 - 9 employeesCentral Milton Keynes, EnglandPragmatiQ Solutions is a CRM consulting and SI company. The small Central Milton Keynes, England-based team focuses on CRM consulting and SI. The firm was launched in 2017.Read More
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499Undisclosed50 - 249 employeesBristol, EnglandLaunched in 2011, GO-ERP is a midsize ERP consulting and SI company based in Bristol, England and Vilnius, Lithuania. Their team specializes in ERP consulting and SI and BI & big data consulting & SI.Read More
Industries
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500$1,000+10 - 49 employeesYeadon, EnglandBig data company EnterpriseWorx was established in 2003. Located in Johannesburg, South Africa and Yeadon, England, the team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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501$5,000+10 - 49 employeesBristol, EnglandImpact IT Solutions is an IT managed services company. Headquartered in Bristol, England, the team focuses on IT managed services and cloud consulting & SI.Read More
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502Undisclosed250 - 999 employeesRoyal Leamington Spa, EnglandLRQA Nettitude is a Cybersecurity company. The New York, New York-based company specializes in Cybersecurity and IT managed services.Read More
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503$10,000+1,000 - 9,999 employeesLondon, EnglandTelefónica Tech (EN) is a Cybersecurity company. They are in London, England, and their services include Cybersecurity and IT managed services.Read More
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504UndisclosedFreelancer employeesManchester, EnglandJackdjd is an IT strategy consulting company. They are located in Manchester, England and have a small team. Their services include IT strategy consulting, IT managed services, Cybersecurity, and other IT consulting and SI. The agency was founded in 2025.Read More
Clients
Insightful Counselling BycharliessideIndustries
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505$10,000+10 - 49 employeesLondon, EnglandRead More
Equinox IS is a software development firm based in London. The firm, founded in 2014, has a team of more than ten that provides custom software development, IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, AI, and enterprise app modernization services. Equinox IS serves small and midmarket companies in the financial services, business services, telecommunications, and IT.
Clients
Three AustriaIndustries
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506$25,000+10 - 49 employeesLondon, EnglandImmerse is an AR/VR development and other IT consulting and SI company. In London, England, their team provides AR/VR development and other IT consulting and SI.Read More
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507$25,000+50 - 249 employeesHorbury, EnglandApplication Management & Support company Propel Tech Ltd was launched in 2007. The agency offers Application Management & Support and Custom Software Development.Read More
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Quickline Communications Limited J.C.B - J.C. Bamford Excavators Limited Allsop Property Auction Mi Hub LTDIndustries
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508$1,000+2 - 9 employeesBrighton and Hove, EnglandDrop Zero Digital is an Email Marketing company founded in 2021. The small Brighton and Hove, England-based team focuses on Email Marketing and CRM consulting and SI.Read More
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509Undisclosed250 - 999 employeesLondon, EnglandMasergy is an IT managed services company established in 2000. Headquartered in Plano, Texas and London, England, the team specializes in IT managed services and Custom Software Development.Read More
Clients
Profit Enhancement Systems -
510$5,000+50 - 249 employeesLondon, EnglandNetstar is an IT managed services company. The London, England-based firm was launched in 2002. Their team specializes in IT managed services and other IT consulting and SI.Read More
Industries
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