Top 100 IT Services Companies in the United Kingdom
The Best of April 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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541Undisclosed50 - 249 employeesShenley Wood, EnglandEstablished in 2005, Mercurius IT LTD is a midsize Shenley Wood, England-based ERP consulting and SI company. Their team offers ERP consulting and SI and CRM consulting and SI.Read More
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542Undisclosed1,000 - 9,999 employeesReading, EnglandPlanit Testing is an Application Testing company. They were established in 1997, and their services include Application Testing and IT strategy consulting.Read More
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543$5,000+50 - 249 employeesThundridge, EnglandEspria is a Thundridge, England-based IT strategy consulting company. They offer IT strategy consulting and cloud consulting & SI.Read More
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544Undisclosed50 - 249 employeesLondon, EnglandRevenue Management Solutions is a CRM consulting and SI company headquartered in London, England. The team focuses on CRM consulting and SI and Custom Software Development.Read More
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545$5,000+1,000 - 9,999 employeesLondon, EnglandEmagine is an IT managed services company established in 2001. The firm offers IT managed services and IT staff augmentation.Read More
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546$1,000+2 - 9 employeesLondon, EnglandForensic Control, a Cybersecurity company, was launched in 2008. The team provides Cybersecurity and Litigation Support Services.Read More
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547$5,000+2 - 9 employeesLondon, EnglandRead More
Lonlogic is a web design and development company founded in 2013 and located in London. With a team of fewer than 10 employees, they offer web design, web development, SEO, digital strategy, and social media marketing services.
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548Undisclosed50 - 249 employeesDerby, EnglandBam Boom Cloud, an ERP consulting and SI company, is based in Derby, England and Richmond, Canada. They specialize in ERP consulting and SI and cloud consulting & SI and were established in 2018.Read More
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549Undisclosed2 - 9 employeesLisburn, Northern IrelandLaunched in 2022, Halson Tech is a web design agency. The small team provides web design, web development, IT managed services, and graphic design. The company is based in Lisburn, United Kingdom.Read More
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550Undisclosed50 - 249 employeesSidcup, EnglandITRM, a CRM consulting and SI company, specialize in CRM consulting and SI and ERP consulting and SI. They were established in 1999.Read More
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551$5,000+10 - 49 employeesBracknell, EnglandAncoris is a cloud consulting & SI company. Their team is headquartered in Bracknell, England and offers cloud consulting & SI and Application Management & Support.Read More
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552$25,000+50 - 249 employeesBirmingham, EnglandCrimson, a custom software development company, focuses on Custom Software Development and cloud consulting & SI. The agency is in Birmingham, England and Coventry, England.Read More
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553$5,000+10 - 49 employeesLondon , EnglandIT managed services company EC-MSP is located in London , England. They provide IT managed services and other IT consulting and SI.Read More
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554$5,000+250 - 999 employeesCardiff, WalesEstablished in 1995, ARO is an IT managed services company. The company specializes in IT managed services and unified communications consulting & SI, and is midsize.Read More
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555$5,000+10 - 49 employeesBasingstoke, EnglandInfosec Cloud, an IT managed services company, provide IT managed services and cloud consulting & SI. They were founded in 2012.Read More
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556$5,000+50 - 249 employeesPortishead, EnglandIT managed services company Chorus provides IT managed services and CRM consulting and SI. They were launched in 1999.Read More
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557$5,000+50 - 249 employeesPoole, EnglandSilversands, a midsize IT managed services company, is located in Poole, England and Bournemouth, England. Their services include IT managed services and IT strategy consulting.Read More
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558$5,000+10 - 49 employeesLondon, EnglandSystems IT, a small IT managed services company, is headquartered in London, England. Their services include IT managed services and IT strategy consulting.Read More
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559$5,000+50 - 249 employeesChineham, EnglandEstablished in 1997, UKN Group is an IT managed services company. The midsize team provides IT managed services and IT strategy consulting.Read More
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560$5,000+10 - 49 employeesWetherby , EnglandSmall IT managed services company Vital Technology Group, is based in Wetherby , England and London, England. The team focuses on IT managed services and IT strategy consulting.Read More
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561$10,000+50 - 249 employeesGodalming, EnglandFordway is an IT managed services company. Based in Godalming, England, the agency provides IT managed services and IT strategy consulting.Read More
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562$5,000+10 - 49 employeesLondon, EnglandVolta is an IT managed services company founded in 2011. Located in London, England, the team provides IT managed services and cloud consulting & SI.Read More
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563$5,000+10 - 49 employeesSurrey , EnglandKrome Technologies is an IT managed services company. They are based in Surrey , England and Guildford, England and have small team. They focus on IT managed services and cloud consulting & SI.Read More
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564$5,000+250 - 999 employeesGateshead, EnglandIT managed services company Aspire Technology Solutions Ltd was launched in 2006. The team focuses on IT managed services and IT strategy consulting.Read More
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565$5,000+250 - 999 employeesPortsmouth, EnglandEstablished in 1996, Bell Microsystems Ltd is a midsize Portsmouth, England-based IT managed services company. Their services include IT managed services and IT strategy consulting.Read More
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566$5,000+50 - 249 employeesLondon, EnglandFounded in 2003, Atlas by ClearPeople is an unified communications consulting & SI company. The team offers unified communications consulting & SI and Custom Software Development.Read More
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567$5,000+10 - 49 employeesFarnborough, EnglandDatum Datacentres Ltd, an IT managed services company, was established in 2012. The small team offers IT managed services and IT strategy consulting.Read More
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568$5,000+10 - 49 employeesLondon, EnglandNet Platforms Ltd is an IT managed services company. The London, England-based team focuses on IT managed services and IT strategy consulting.Read More
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569Undisclosed2 - 9 employeesBermondsey, EnglandBased in Bermondsey, England, Netwise is an IT managed services company. Founded in 2009, the team focuses on IT managed services.Read More
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570$1,000+10 - 49 employeesRickmansworth, EnglandLaunched in 2002, NM Cabling Solutions is an IT managed services and other IT consulting and SI company. The team offers IT managed services and other IT consulting and SI.Read More
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