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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1051$5,000+2 - 9 employeesLeicester, EnglandERP consulting and SI company Gradient Transforming was founded in 1997. The team focuses on ERP consulting and SI and IT strategy consulting.Read More
Industries
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1052Undisclosed10 - 49 employeesLondon, EnglandFounded in 2018, Principle Networks Ltd, a small Cybersecurity company, is located in London, England. Their services include Cybersecurity and cloud consulting & SI.Read More
Clients
Hill Dickinson LLP Iris Software Hargreaves Services Plc Buzz BingoIndustries
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1053$1,000+2 - 9 employeesLondon, EnglandBlue Icon IT is a Cybersecurity company. They are located in London, England, and their services include Cybersecurity and IT managed services.Read More
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1054$10,000+50 - 249 employeesSouthport, EnglandFounded in 2019, SPOR Group is an unified communications consulting & SI company. The team specializes in unified communications consulting & SI and IT managed services.Read More
Industries
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1055$25,000+10 - 49 employeesLondon, EnglandFrabo Ltd is a CRM consulting and SI company. The team focuses on CRM consulting and SI and BI & big data consulting & SI, and the firm is headquartered in London, England and Cairo, Egypt.Read More
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1056$100,000+10 - 49 employeesSwindon, EnglandEstablished in 2017, binary10 is a small ERP consulting and SI company. Their services include ERP consulting and SI and cloud consulting & SI.Read More
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1057Undisclosed10 - 49 employeesNewcastle upon Tyne, EnglandIT strategy consulting company Orion Technology Services LTD is based in Newcastle upon Tyne, England. They provide IT strategy consulting and Cybersecurity.Read More
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1058Undisclosed2 - 9 employeesSheffield, EnglandCommstec is a small Sheffield, England-based IT managed services company. The team focuses on IT managed services and Cybersecurity.Read More
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1059$5,000+2 - 9 employeesLytham St Annes, EnglandIT strategy consulting company Cordapse provides IT strategy consulting and cloud consulting & SI. They were established in 2019.Read More
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1060$10,000+10 - 49 employeesLondon, EnglandGlobal Protect Risk is a Cybersecurity company. Their team is in London, England and provides Cybersecurity.Read More
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1061Undisclosed10 - 49 employeesLondon, EnglandBlack Smith Security, a small Cybersecurity company, is in London, England. Their services include Cybersecurity.Read More
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1062$5,000+2 - 9 employeesLondon, EnglandZED Consulting is a CRM consulting and SI company. They provide CRM consulting and SI and were launched in 2018.Read More
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1063$5,000+10 - 49 employeesLondon, EnglandEJN Labs, a Cybersecurity company, offer Cybersecurity and AI Consulting. They were founded in 2025.Read More
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1064Undisclosed50 - 249 employeesRuncorn, EnglandEstablished in 2004, commited - Runcorn is an IT managed services company. The midsize team offers IT managed services.Read More
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1065$5,000+2 - 9 employeesLondon, EnglandMRE Digital is an ERP consulting and SI company. The London, England-based agency was launched in 2024. Their team provides ERP consulting and SI and BI & big data consulting & SI.Read More
Industries
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1066Undisclosed2 - 9 employeesSlough, EnglandCPAS Consulting Limited is an IT strategy consulting company launched in 2025. The team provides IT strategy consulting.Read More
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1067Undisclosed2 - 9 employeesLondon, EnglandZAKS IT Limited is an IT managed services company established in 2012. The firm specializes in IT managed services and IT strategy consulting, and is small.Read More
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1068Undisclosed2 - 9 employeesIveston, EnglandHeadquartered in Iveston, England, i90 is a small IT managed services company. The team provides IT managed services and IT strategy consulting.Read More
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1069Undisclosed250 - 999 employeesGerrards Cross, EnglandERP consulting and SI company Platned is in Gerrards Cross, England and Melbourne, Australia. Their services include ERP consulting and SI and cloud consulting & SI.Read More
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1070$5,000+10 - 49 employeesLondon, EnglandDamte Solutions is a Cybersecurity company established in 2025. The firm specializes in Cybersecurity and Application Management & Support, and is small.Read More
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1071$1,000+2 - 9 employeesPaulton, EnglandRead More
Fluent Forward Ltd, a digital strategy company, was launched in 2012. They are located in Paulton, United Kingdom and have a small team. Their services include digital strategy, social media marketing, content marketing, and IT strategy consulting.
Industries
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1072$10,000+10 - 49 employeesCroydon, EnglandRudrax Technologies Limited is a small custom software development company based in Croydon, England. Launched in 2025, the team provides Custom Software Development, Artificial Intelligence, Mobile App Development, Web Development, and more.Read More
Industries
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1073$10,000+2 - 9 employeesWelwyn, EnglandColibri Digital, an artificial intelligence firm, was launched in 2015. The agency specializes in Artificial Intelligence and BI & big data consulting & SI, and is small.Read More
Industries
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1074$25,000+10 - 49 employeesLondon, EnglandMarionete is a small London, England-based big data company. Their services include BI & big data consulting & SI and IoT development.Read More
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1075$50,000+50 - 249 employeesLondon, EnglandRead More
Inviqa is a global IT services firm headquartered in London, U.K., that was established in 2012. Their team of 134 employees provides web development, custom software development, staff augmentation, enterprise software integration, strategic consulting services.
Clients
PZ CussonsIndustries
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1076$100,000+50 - 249 employeesLondon, EnglandHI Technology & Innovation, a Microservices Architecture Services company, was established in 2012. Their midsize team is headquartered in London, England. Their services include Microservices Architecture Services, API Development, DevOps Managed Services, UX/UI Design, and more.Read More
Industries
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1077$1,000+2 - 9 employeesLoose, EnglandStackslim, a website development firm, is located in Loose, England. The company specializes in Web Development, E-Commerce Development, Web Design, ERP consulting and SI, and more and has a small team.The company was launched in 2025.Read More
Industries
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1078Undisclosed2 - 9 employeesLondon, EnglandLaunched in 2021, Social Media Experts Ltd is a small London, England-based Cybersecurity company. Their services include Cybersecurity and Internet & Technology Law.Read More
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1079$1,000+10 - 49 employeesWembley, EnglandMunix Studio is a website development company located in Wembley, England. The small agency was launched in 2025. Their services include Web Development, AI Agents, Custom Software Development, Mobile App Development, and more.Read More
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1080$5,000+10 - 49 employeesLondon, EnglandBig data analytics company Synapx was established in 2021. Based in London, England, the team provides BI & big data consulting & SI and Custom Software Development.Read More
Industries
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Most Reviewed
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