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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931$5,000+50 - 249 employeesHigh Wycombe, EnglandLaunched in 2010, Anya Consultancy Services is an IT strategy consulting company. The midsize team offers IT strategy consulting and BI & big data consulting & SI.Read More
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932$10,000+2 - 9 employeesLiverpool, EnglandHalcyon IT Services ltd is a Cybersecurity company founded in 2023. In Liverpool, England, the team provides Cybersecurity and IT managed services.Read More
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933Undisclosed2 - 9 employeesChesterfield, EnglandBlack Swan Cyber Security Solutions, a Cybersecurity company, was established in 2006. They provides Cybersecurity.Read More
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934$1,000+2 - 9 employeesReading, EnglandIn Reading, England and Reading, England, Dead Simple Computing is an IT strategy consulting company. They offer IT strategy consulting and cloud consulting & SI.Read More
Industries
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935$10,000+10 - 49 employeesLondon, EnglandEstablished in 2019, Technology Transformation Group is a web design company. Headquartered in London, England, the team specializes in Web Design and cloud consulting & SI.Read More
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936$1,000+250 - 999 employeesLondon, EnglandIn London, England, ServiceJi is an IT strategy consulting company. The team provides IT strategy consulting and cloud consulting & SI.Read More
Industries
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937$1,000+10 - 49 employeesNorthampton, EnglandHeadquartered in Northampton, England, Thoughtlogik is a CRM consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.Read More
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938$5,000+10 - 49 employeesCarshalton, EnglandGoodChoice IT Ltd is a small IT managed services company headquartered in Carshalton, England. The team focuses on IT managed services and Cybersecurity.Read More
Industries
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939$5,000+10 - 49 employeesOxford, EnglandIn Oxford, England, Cantata Limited is a small CRM consulting and SI company. Their services include CRM consulting and SI and other IT consulting and SI.Read More
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940UndisclosedFreelancer employeesLondon, EnglandPhenomlab Ltd is a Cybersecurity company. Based in London, England, the team provides Cybersecurity.Read More
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941Undisclosed50 - 249 employeesLondon, EnglandLabdex equipment Ltd is an unified communications consulting & SI company. Their team is in London, England. The agency provides unified communications consulting & SI and CRM consulting and SI.Read More
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942Undisclosed10 - 49 employeesManchester, EnglandAxiom 360, a small IT managed services and Cybersecurity company, is in Whitby, Canada and Manchester, England. Their services include IT managed services and Cybersecurity.Read More
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943Undisclosed2 - 9 employeesLondon, EnglandEstablished in 2025, Fig Group is a small London, England-based Cybersecurity company. Their team offers Cybersecurity and IT strategy consulting.Read More
Industries
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944$1,000+2 - 9 employeesLondon, EnglandFounded in 2023, WhizzIT is a small IT managed services company in London, England and Stevenage, England. Their team offers IT managed services and Cybersecurity.Read More
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945Undisclosed50 - 249 employeesFleet, EnglandIntouch Tech - Telecoms, IT & Cyber Solutions is an IT strategy consulting company established in 2012. Their team offers IT strategy consulting and Cybersecurity.Read More
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946Undisclosed2 - 9 employeesNewmarket, EnglandBackup Data Ltd TA GSDIT is an other IT consulting and SI company. Launched in 2011, their team specializes in other IT consulting and SI and IT managed services.Read More
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947$25,000+10 - 49 employeesLondon, EnglandBusiness intelligence company 173tech is based in London, England. Established in 2019, the team specializes in BI & big data consulting & SI and AI Consulting.Read More
Industries
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948Undisclosed10 - 49 employeesLondon, EnglandHeadquartered in London, England, Zero Trust Solutions is a Cybersecurity company. Their services include Cybersecurity and Microservices Architecture Services.Read More
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949$1,000+2 - 9 employeesLondon, EnglandLaunched in 2024, Coreitech is an IT managed services company. The team offers IT managed services and Cybersecurity.Read More
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950Undisclosed2 - 9 employeesNewark-on-Trent, EnglandOtter IT. Is a small Newark-on-Trent, England-based IT managed services company. The team focuses on IT managed services and Cybersecurity.Read More
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951Undisclosed50 - 249 employeesLeatherhead, EnglandWD Assist is an ERP consulting and SI company based in Leatherhead, England. Established in 2018, the team focuses on ERP consulting and SI and Business Consulting.Read More
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952$5,000+250 - 999 employeesLondon, EnglandIntelligenceX is a Cybersecurity company. They specialize in Cybersecurity and cloud consulting & SI and are in London, England.Read More
Industries
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953$75,000+50 - 249 employeesNewcastle upon Tyne, EnglandBased in Newcastle upon Tyne, England, Serios Group is a Business Consulting and big data analytics company. They focus on Business Consulting and BI & big data consulting & SI.Read More
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954$5,000+50 - 249 employeesLondon, EnglandCloudiQS, a cloud consulting & SI company, is headquartered in London, England. Their services include cloud consulting & SI and CRM consulting and SI.Read More
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955$5,000+10 - 49 employeesLondon, EnglandENWAY is a CRM consulting and SI company. In Lemesos, Cyprus and London, England, the team specializes in CRM consulting and SI and IT managed services.Read More
Industries
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956$5,000+2 - 9 employeesKirkliston, ScotlandAutomateNow is a small Kirkliston, Scotland-based CRM consulting and SI company. The team provides CRM consulting and SI and ERP consulting and SI.Read More
Industries
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957$1,000+2 - 9 employeesLondon, EnglandBaycop, a small IT managed services company, is located in London, England and Colombo, Sri Lanka. The team specializes in IT managed services and Cybersecurity.Read More
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958Undisclosed50 - 249 employeesNottingham, EnglandArc Communications is an IT managed services company in Nottingham, England. The team provides IT managed services.Read More
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959$50,000+10 - 49 employeesBrentford, EnglandFindErnest is a web design company. The firm is based in Hyderabad, India and Brentford, England. Their services include Web Design and UX/UI Design.Read More
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960$1,000+2 - 9 employeesSheffield , EnglandCEESourcingLtd, an IT managed services company, was launched in 2018. The firm focuses on IT managed services and Application Testing, and is small.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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