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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481Undisclosed50 - 249 employeesOld Sarum, EnglandBlue Frontier is an IT strategy consulting company founded in 2005. Their midsize team is headquartered in Old Sarum, England; Southampton, England; Bristol, England and London, England. Their services include IT strategy consulting, Mobile App Development, Search Engine Optimization, Web Design, and more.Read More
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482Undisclosed10 - 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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483$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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484$5,000+2 - 9 employeesLondon, EnglandClarity for Action is a small Business Consulting company. Launched in 2024, the team focuses on Business Consulting, IT strategy consulting, and Funding & Investment. The company is located in London, England.Read More
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485Undisclosed2 - 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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486$1,000+10 - 49 employeesManchester, EnglandD55 is a cloud consulting & SI company. They are in Manchester, England. Their team provides cloud consulting & SI and Custom Software Development.Read More
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487Undisclosed10 - 49 employeesLeeds, EnglandPerform Partners is a small Leeds, England-based IT strategy consulting company. The team focuses on IT strategy consulting and cloud consulting & SI.Read More
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488$10,000+10 - 49 employeesLondon, EnglandRead More
Equinox IS is a software development firm based in London. The firm, founded in 2014, has a team of more than ten that provides custom software development, IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, AI, and enterprise app modernization services. Equinox IS serves small and midmarket companies in the financial services, business services, telecommunications, and IT.
Clients
Three AustriaIndustries
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489$10,000+250 - 999 employeesEdinburgh, ScotlandException is a midsize AI Consulting company. The Edinburgh, Scotland-based agency was founded in 2002. Their team focuses on AI Consulting, Artificial Intelligence, cloud consulting & SI, and Generative AI.Read More
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490$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
Clients
DigiGroundIndustries
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491$1,000+2 - 9 employeesBrighton and Hove, EnglandDrop Zero Digital is an Email Marketing company founded in 2021. The small Brighton and Hove, England-based team focuses on Email Marketing and CRM consulting and SI.Read More
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492$1,000+2 - 9 employeesCentral Milton Keynes, EnglandPragmatiQ Solutions is a CRM consulting and SI company. The small Central Milton Keynes, England-based team focuses on CRM consulting and SI. The firm was launched in 2017.Read More
Industries
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493Undisclosed50 - 249 employeesBristol, EnglandLaunched in 2011, GO-ERP is a midsize ERP consulting and SI company based in Bristol, England and Vilnius, Lithuania. Their team specializes in ERP consulting and SI and BI & big data consulting & SI.Read More
Industries
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494$1,000+10 - 49 employeesYeadon, EnglandBig data company EnterpriseWorx was established in 2003. Located in Johannesburg, South Africa and Yeadon, England, the team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
Industries
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495$5,000+10 - 49 employeesBristol, EnglandImpact IT Solutions is an IT managed services company. Headquartered in Bristol, England, the team focuses on IT managed services and cloud consulting & SI.Read More
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496$100,000+250 - 999 employeesLondon, EnglandCRM consulting and SI company Exalogic Consulting is based in Dubai, United Arab Emirates and Bengaluru, India. The team provides CRM consulting and SI and Business Consulting.Read More
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497$1,000+10 - 49 employeesLondon, EnglandSnooze Tech is a custom software development company. In London, England, their small team offers Custom Software Development, Web Development, IT strategy consulting, E-Commerce Development, and more. The agency was launched in 2024.Read More
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498Undisclosed1,000 - 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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499Undisclosed50 - 249 employeesLondon, EnglandEXASOL 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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500$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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501$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
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502Undisclosed10 - 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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503$5,000+2 - 9 employeesHarrow, EnglandBased in Harrow, England, Server Consultancy Ltd is a small IT managed services company. The team provides IT managed services and cloud consulting & SI.Read More
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504Undisclosed1,000 - 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
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505Undisclosed1,000 - 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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506Undisclosed50 - 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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507$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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508$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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509$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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510$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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