Top 100 IT Services Companies in the United Kingdom
The Best of July 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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511$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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512$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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513$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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514$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
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515$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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516Undisclosed250 - 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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517$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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518Undisclosed250 - 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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519$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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520Undisclosed10 - 49 employeesLondon, EnglandNetwork Squad LTD is an IT strategy consulting company in London, England. They focus on IT strategy consulting and cloud consulting & SI.Read More
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521$10,000+50 - 249 employeesNorwich, EnglandJNext Technologies, a web development company, is located in Surat, India; Bhavnagar, India and Norwich, United Kingdom. They specialize in web development, mobile app development, e-commerce development, application management & support, and more and were established in 2013.Read More
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522$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
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523Undisclosed10 - 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
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524Undisclosed2 - 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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525$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
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526$10,000+10 - 49 employeesLondon, EnglandBased in Mumbai, India and London, England, Scalix Enterprise Solutions LLP is a software development company. Established in 2023, the small team offers Custom Software Development, API Development, cloud consulting & SI, DevOps Managed Services, and more.Read More
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527Undisclosed50 - 249 employeesBishop’s Stortford, EnglandFlintfox International is a CRM consulting and SI and ERP consulting and SI company. The North Harbour, New Zealand-based team provides CRM consulting and SI and ERP consulting and SI.Read More
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528Undisclosed10 - 49 employeesCoventry, EnglandERP consulting and SI company Phocas was founded in 1999. The team focuses on ERP consulting and SI and CRM consulting and SI and is based in Coventry, England and Sydney, Australia.Read More
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529Undisclosed50 - 249 employeesAlderley Edge, EnglandEstablished in 1993, Chess Telecom is an IT managed services company. The team focuses on IT managed services and Custom Software Development and is in Alderley Edge, England.Read More
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530Undisclosed250 - 999 employeesLincoln, EnglandLaunched in 2001, GCI is a data analytics company. The team offers BI & big data consulting & SI and cloud consulting & SI and is in Lincoln, England and Calder Grove, England.Read More
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531$5,000+50 - 249 employeesBurgess Hill, EnglandAcora, an IT managed services company, was launched in 1989. The team specializes in IT managed services and ERP consulting and SI.Read More
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532Undisclosed250 - 999 employeesLondon, EnglandZenzero is an IT managed services company. The midsize London, England-based team offers IT managed services and Cybersecurity. The company was established in 2004.Read More
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533$5,000+10 - 49 employeesHeywood, EnglandEvaris Solutions Ltd is a small Heywood, England-based IT managed services company. Their services include IT managed services and IT strategy consulting.Read More
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534$5,000+10 - 49 employeesBrighton, EnglandHyve Managed Hosting is an IT managed services company. They specialize in IT managed services and cloud consulting & SI and were established in 2001. The firm is located in Brighton, England.Read More
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535$25,000+1,000 - 9,999 employeesChelmsford, Essex, EnglandSilver Touch Technologies, an ERP consulting and SI company, is in Ahmedabad, India; Woodbridge Township, New Jersey; Chelmsford, Essex, England and Markham, Canada. The large team focuses on ERP consulting and SI, Custom Software Development, Web Development, and Robotics Process Automation. The company was launched in 1995.Read More
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536Undisclosed50 - 249 employeesSalford, EnglandLIMA Networks is an IT managed services company. They are headquartered in Salford, England and have midsize team. They provide IT managed services and IT strategy consulting.Read More
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537$5,000+10 - 49 employeesEastwood, EnglandBased in Eastwood, England, Your IT Department is an IT managed services company. Founded in 2009, the team provides IT managed services and cloud consulting & SI.Read More
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538Undisclosed50 - 249 employeesLondon, EnglandIT managed services company Doherty Associates focuses on IT managed services and Cybersecurity. They are located in London, England.Read More
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539Undisclosed50 - 249 employeesRoyal Tunbridge Wells, EnglandFounded in 2001, Infinity Group UK is a midsize Royal Tunbridge Wells, England-based IT managed services company. Their services include IT managed services and ERP consulting and SI.Read More
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540$5,000+50 - 249 employeesChesterfield, EnglandIT managed services company Peak Indicators is located in Chesterfield, England. Their services include IT managed services and BI & big data consulting & SI.Read More
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