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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421Undisclosed10 - 49 employeesNewcastle, Northern IrelandSmall IT managed services company Claremont, is located in Newcastle, Northern Ireland and Guildford, England. The team offers IT managed services and cloud consulting & SI.Read More
Clients
City of EdinburghIndustries
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422Undisclosed50 - 249 employeesLondon , EnglandPenguin Commercial Limited, a Corporate Travel Management company, is located in London , England. The team focuses on Corporate Travel Management and IT managed services.Read More
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423$50,000+50 - 249 employeesLondon, EnglandCedar Management Consulting International is an IT strategy consulting company located in New York, New York and Mumbai, India. The team offers IT strategy consulting and Business Consulting.Read More
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424$5,000+10 - 49 employeesLondon, EnglandWeSeeNow is an IT managed services company. Their team is headquartered in London, England and Leeds, England. The firm focuses on IT managed services and IT strategy consulting.Read More
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425Undisclosed10 - 49 employeesHIGH WYCOMBE, EnglandEpoq IT is an IT managed services company in HIGH WYCOMBE, England. Their services include IT managed services and Cybersecurity.Read More
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426$5,000+10 - 49 employeesTwigworth, EnglandOptimising IT is an IT managed services company. Their small team of employees is headquartered in Twigworth, England. Their team focuses on IT managed services and IT strategy consulting.Read More
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427$5,000+10 - 49 employeesEdinburgh, ScotlandAI firm AISTREAMING is based in Forres, United Kingdom. The small team focuses on Artificial Intelligence, IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, and more. The agency was established in 2022.Read More
Industries
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428Undisclosed10 - 49 employeesLondon, EnglandEstablished in 2021, KOBU SMART LTD is a small London, England-based cloud consulting & SI company. Their team specializes in cloud consulting & SI and Cybersecurity.Read More
Clients
Travel RadarIndustries
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429Undisclosed50 - 249 employeesNewcastle upon Tyne, EnglandCybit is a Cybersecurity company launched in 1991. Located in Newcastle upon Tyne, England and Thatcham, England, the team specializes in Cybersecurity and IT managed services.Read More
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430Undisclosed1,000 - 9,999 employeesSurrey , EnglandNavisite is a cloud consulting & SI company headquartered in Andover, Massachusetts and Surrey , England. The team offers cloud consulting & SI and IT managed services.Read More
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431Undisclosed50 - 249 employeesNürnberg, GermanyEXASOL AG, a data analytics company, is based in Nürnberg, Germany and São Paulo, Brazil. The team offers BI & big data consulting & SI.Read More
Industries
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432$10,000+1,000 - 9,999 employeesLondon, EnglandAKQA is a CRM consulting and SI company. In San Francisco, California and London, England, the firm was founded in 1994. Their team provides CRM consulting and SI and E-Commerce Development.Read More
Clients
NikeIndustries
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433$50,000+250 - 999 employeesLondon, EnglandMidsize software development firm Kainos, is based in London, England and Belfast, Northern Ireland. The team provides Custom Software Development and Web Development.Read More
Industries
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434Undisclosed10 - 49 employeesMorley, EnglandCloud consulting & SI and IT managed services company eUKhost Ltd provides cloud consulting & SI and IT managed services. They were established in 2001.Read More
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435$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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436Undisclosed1,000 - 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
Industries
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437Undisclosed1,000 - 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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438Undisclosed50 - 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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439$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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440$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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441$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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442$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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443Undisclosed10 - 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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444Undisclosed50 - 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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445Undisclosed50 - 249 employeesEly, EnglandGRC Solutions is an IT strategy consulting company headquartered in Ely, England. They specialize in IT strategy consulting and Cybersecurity.Read More
Industries
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446Undisclosed1,000 - 9,999 employeesKuala Lumpur, MalaysiaEstablished 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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447$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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448$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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449$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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450$25,000+1,000 - 9,999 employeesCalabasas, CAProlifics 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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