Top 100 IT Services Companies in the United Kingdom
The Best of November 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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511Undisclosed10 - 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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512Undisclosed50 - 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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513Undisclosed50 - 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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514Undisclosed1,000 - 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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515Undisclosed250 - 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
Industries
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516Undisclosed250 - 999 employeesNorthwood, EnglandSoftSages Technology is a midsize Business Consulting company. Founded in 2005, the team focuses on Business Consulting, AI Consulting, Email Marketing, IT strategy consulting, and more. The agency is located in Malvern, Pennsylvania; Toronto, Canada; Noida, India and Vadodara, India.Read More
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517Undisclosed10 - 49 employeesBirmingham, EnglandKuiper Technology is a small IT managed services company established in 2017. Their team provides IT managed services and IT strategy consulting.Read More
Industries
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518$5,000+10 - 49 employeesBournemouth, EnglandBBD Boom is a small CRM consulting and SI company located in Bournemouth, England. The team provides CRM consulting and SI and Digital Strategy.Read More
Industries
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519Undisclosed10 - 49 employeesBristol, EnglandOther IT consulting and SI company ADT Systems is located in Bristol, England. The team offers other IT consulting and SI and IT managed services.Read More
Industries
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520Undisclosed2 - 9 employeesNorthwood, EnglandWightbyte Computers is a small other IT consulting and SI company. Founded in 2001, the team focuses on other IT consulting and SI and IT managed services.Read More
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521$1,000+50 - 249 employeesLondon, EnglandMidsize Cybersecurity company Clear Infosec, is based in Jersey City, New Jersey and Toronto, Canada. The team focuses on Cybersecurity and IT strategy consulting.Read More
Industries
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522$10,000+10 - 49 employeesAshorne, EnglandRead More
Freestyle, a digital strategy company, is located in Ashorne, United Kingdom. The small team offers digital strategy, web design, ux/ui design, product design, and more. The agency was established in 1996.
Industries
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523$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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524Undisclosed250 - 999 employeesLondon, EnglandServiceRocket is an IT managed services company founded in 2001. The midsize team provides IT managed services and IT strategy consulting.Read More
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525Undisclosed250 - 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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526$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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527$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
Industries
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528$5,000+10 - 49 employeesLondon, EnglandEstablished in 2021, Automaly is an AI Agents company. The small London, England-based team provides AI Agents, Artificial Intelligence, AI Consulting, CRM consulting and SI, and more.Read More
Industries
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529Undisclosed250 - 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
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530$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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531$5,000+50 - 249 employeesBirmingham, EnglandProbrand is an IT managed services company. They are headquartered in Birmingham, England and have midsize team. They provide IT managed services.Read More
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532$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
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533$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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534$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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535$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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536$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
Industries
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537Undisclosed250 - 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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538$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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539Undisclosed250 - 999 employeesOldbury, EnglandEstablished in 1997, A&O IT Group is a Cybersecurity company. The team focuses on Cybersecurity and AI Consulting.Read More
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540$10,000+250 - 999 employeesLondon, EnglandExponential-e, a Cybersecurity company, specializes in Cybersecurity and cloud consulting & SI. The firm is based in London, England.Read More
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