Top 100 IT Services Companies in the United Kingdom
The Best of September 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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571Undisclosed250 - 999 employeesLondon, EnglandRedscan is a Cybersecurity company founded in 2015. Their team offers Cybersecurity.Read More
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572Undisclosed50 - 249 employeesLisburn, Northern IrelandXperience is a cloud consulting & SI company. The team focuses on cloud consulting & SI and CRM consulting and SI and is located in Lisburn, Northern Ireland.Read More
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573$100,000+1,000 - 9,999 employeesDatchet, EnglandLaunched in 2000, Arvato CRM Solutions is a large Datchet, England-based CRM consulting and SI company. Their team specializes in CRM consulting and SI.Read More
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574Undisclosed10 - 49 employeesMansfield, EnglandFounded in 2016, 20i is an IT managed services company. The agency offers IT managed services.Read More
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575Undisclosed10 - 49 employeesCraven Arms, EnglandFussionHost LTD is an IT managed services company. The team offers IT managed services and is located in Craven Arms, England and Lahore, Pakistan.Read More
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576Undisclosed50 - 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
Clients
Survitec Group Wescom Group Sopheon The Una GroupIndustries
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577Undisclosed1,000 - 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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578$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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579Undisclosed50 - 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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580$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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581$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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582Undisclosed50 - 249 employeesManchester, EnglandLaunched in 2008, Cleartwo is an IT strategy consulting company. The agency offers IT strategy consulting, and is midsize.Read More
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583$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.
Industries
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584Undisclosed50 - 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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585Undisclosed2 - 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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586Undisclosed50 - 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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587$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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588$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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589$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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590$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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591$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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592$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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593Undisclosed50 - 249 employeesLondon, EnglandEstablished in 1999, Fitzrovia IT, a midsize IT managed services company, is headquartered in London, England. Their services include IT managed services and IT strategy consulting.Read More
Industries
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594$5,000+10 - 49 employeesWoking , EnglandPro Drive IT Limited is an IT managed services company established in 1997. Based in Woking , England, the team focuses on IT managed services and IT strategy consulting.Read More
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595$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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596$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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597$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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598$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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599$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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600$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
Industries
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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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