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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1981Undisclosed2 - 9 employeesManchester, EnglandSquash Digital Marketing is a small business intelligence company located in Manchester, England. Their services include BI & big data consulting & SI.Read More
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1982UndisclosedFreelancer employeesWelling, EnglandLocated in Welling, England, SiliconRA is a big data analytics company. They specialize in BI & big data consulting & SI.Read More
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1983UndisclosedFreelancer employeesLondon, EnglandWhen Can I Stop, a data analytics company, is based in London, England. The team offers BI & big data consulting & SI.Read More
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1984Undisclosed2 - 9 employeesSilsoe, EnglandAnalytics Training Ltd. Is a small Silsoe, England-based big data analytics company. Their services include BI & big data consulting & SI.Read More
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1985Undisclosed10 - 49 employeesBlackpool, EnglandSocial Gains Media is a business intelligence company. Located in Blackpool, England, the agency was launched in 2015. Their services include BI & big data consulting & SI.Read More
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1986Undisclosed10 - 49 employeesLondon, EnglandFinDock is a CRM consulting and SI company. They focus on CRM consulting and SI and Financial Consulting and are headquartered in London, England and Leeuwarden, Netherlands.Read More
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1987Undisclosed50 - 249 employeesLondon, EnglandGiveclarity is a CRM consulting and SI company. They are in London, England, and their services include CRM consulting and SI and Financial Consulting.Read More
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1988Undisclosed2 - 9 employeesManchester, EnglandInfoodle is a CRM consulting and SI company founded in 2011. The small team offers CRM consulting and SI and Financial Consulting.Read More
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1989Undisclosed1,000 - 9,999 employeesBracknell, EnglandGlobal Knowledge is a cloud consulting & SI company founded in 1995. Their team specializes in cloud consulting & SI and Cybersecurity.Read More
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1990Undisclosed250 - 999 employeesLondon, EnglandCamms is a Cybersecurity and Business Consulting company. Established in 1996, the agency specializes in Cybersecurity and Business Consulting.Read More
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1991Undisclosed50 - 249 employeesLondon, EnglandTeknicor Corporation is a midsize IT managed services and Business Consulting company founded in 2008. Their services include IT managed services and Business Consulting.Read More
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1992Undisclosed50 - 249 employeesCambridge, EnglandGearset is a CRM consulting and SI and Application Testing company. The Chicago, Illinois-based company was launched in 2015. Their team focuses on CRM consulting and SI and Application Testing.Read More
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1993Undisclosed1,000 - 9,999 employeesLondon, EnglandGenisys Group is an user experience company. Based in London, England and Bengaluru, India, the company offers UX/UI Design and IT strategy consulting.Read More
Industries
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1994Undisclosed50 - 249 employeesAylesbury, EnglandRed Helix is a Cybersecurity company. The firm is in Aylesbury, England. Their services include Cybersecurity and IT managed services.Read More
Industries
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1995Undisclosed2 - 9 employeesLondon, EnglandData-Qleaner is a data analytics company. They were established in 2020, and their services include BI & big data consulting & SI.Read More
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1996Undisclosed250 - 999 employeesLondon, EnglandBig data analytics company Mixpanel provides BI & big data consulting & SI and Artificial Intelligence. They are based in London, England.Read More
Industries
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1997Undisclosed50 - 249 employeesLondon, EnglandRivery is a big data analytics company founded in 2017. The team focuses on BI & big data consulting & SI and cloud consulting & SI and is headquartered in London, England and New York City, New York.Read More
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1998Undisclosed10 - 49 employeesLondon, EnglandOpen Search Network is a big data company. Their small team of employees is located in London, England. Their team focuses on BI & big data consulting & SI and Cybersecurity.Read More
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1999Undisclosed50 - 249 employeesLondon, EnglandScanmarQED is a big data company. The firm is located in London, England and Horten, Norway. Their team offers BI & big data consulting & SI.Read More
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2000Undisclosed50 - 249 employeesLondon, EnglandKurtosys is a data analytics company established in 2002. Their team focuses on BI & big data consulting & SI.Read More
Industries
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2001Undisclosed50 - 249 employeesLondon, EnglandAvolution is a midsize big data analytics company based in London, England and North Sydney, Australia. Their services include BI & big data consulting & SI and IT strategy consulting.Read More
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2002Undisclosed10 - 49 employeesLondon, EnglandEstablished in 2020, BEDROCK is a big data analytics company. The small team provides BI & big data consulting & SI and IT strategy consulting.Read More
Industries
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2003Undisclosed50 - 249 employeesLondon, EnglandRosslyn Data Technologies Plc , a big data analytics company, was launched in 2005. Headquartered in London, England, the team focuses on BI & big data consulting & SI and Compliance Consulting.Read More
Industries
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2004Undisclosed50 - 249 employeesLondon, EnglandTensing is a big data analytics company. The company is based in London, England and Utrecht, Netherlands. Their team offers BI & big data consulting & SI.Read More
Industries
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2005Undisclosed10 - 49 employeesLondon, EnglandFounded in 2021, Insight Terra is a small big data analytics company. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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2006Undisclosed50 - 249 employeesLondon, EnglandFifthnote is a London, England-based business intelligence company. They focus on BI & big data consulting & SI and Robotics Process Automation.Read More
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2007Undisclosed50 - 249 employeesLondon, EnglandADROSONIC is a data analytics company based in London, England and Mumbai, India. Founded in 2013, the team provides BI & big data consulting & SI and cloud consulting & SI.Read More
Industries
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2008Undisclosed50 - 249 employeesLondon, EnglandMidsize CRM consulting and SI company Infomentum, is located in London, England. Their services include CRM consulting and SI and IT strategy consulting.Read More
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2009Undisclosed50 - 249 employeesEdinburgh, ScotlandIFS assyst is an IT strategy consulting company based in Docklands, Australia and Edinburgh, Scotland. Their services include IT strategy consulting.Read More
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2010Undisclosed250 - 999 employeesLondon, EnglandCloudEQ is a midsize IT strategy consulting company based in Novi, Michigan and El Segundo, California. The team provides IT strategy consulting and cloud consulting & SI.Read More
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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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