Top 100 IT Services Companies in the United Kingdom
The Best of June 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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481Undisclosed50 - 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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482Undisclosed50 - 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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483Undisclosed1,000 - 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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484Undisclosed250 - 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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485$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
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486$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
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487$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
Industries
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488$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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489$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
Industries
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490Undisclosed50 - 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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491$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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492$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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493Undisclosed250 - 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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494$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
Industries
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495UndisclosedFreelancer 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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496$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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497$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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498$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
Clients
Quickline Communications Limited J.C.B - J.C. Bamford Excavators Limited Allsop Property Auction Mi Hub LTDIndustries
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499$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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500Undisclosed250 - 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 -
501$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
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502$5,000+250 - 999 employeesNether Poppleton, EnglandTrustmarque Solutions Ltd is a Nether Poppleton, England-based big data company. They offer BI & big data consulting & SI and cloud consulting & SI.Read More
Industries
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503$5,000+250 - 999 employeesWythenshawe, EnglandBCN is an IT managed services company. Established in 2009, their team offers IT managed services and IT strategy consulting.Read More
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504$5,000+50 - 249 employeesLondon, EnglandLaunched in 2000, hSo is a midsize IT managed services company based in London, England. Their team offers IT managed services and IT strategy consulting.Read More
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505$1,000+50 - 249 employeesLondon, EnglandOnApp, a cloud consulting & SI and IT managed services company, was launched in 2010. The midsize team focuses on cloud consulting & SI and IT managed services.Read More
Industries
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506$250,000+50 - 249 employeesShadwell, EnglandSpeedster IT, an IT strategy consulting company, was founded in 2014. The team offers IT strategy consulting and cloud consulting & SI.Read More
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507$1,000+10 - 49 employeeslondon, EnglandLucidica IT Support London, an IT managed services company, is headquartered in london, England. The team offers IT managed services and IT strategy consulting.Read More
Industries
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508Undisclosed250 - 999 employeesSlough, EnglandAcuvate Software Ltd. Is a midsize IT strategy consulting company in Slough, England. Their services include IT strategy consulting and Custom Software Development.Read More
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509$1,000+10 - 49 employeesBasingstoke, EnglandCybersecurity company Censornet was founded in 2005. Based in Basingstoke, England and Brøndby, Denmark, the team focuses on Cybersecurity.Read More
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510Undisclosed250 - 999 employeesOldbury, EnglandCybersecurity company A&O IT Group focuses on Cybersecurity. They were established in 1997.Read More
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