Top 100 IT Services Companies in the United Kingdom
The Best of December 2025
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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$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.
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1831Undisclosed50 - 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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1832Undisclosed10 - 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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1833Undisclosed50 - 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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1834Undisclosed50 - 249 employeesLondon, EnglandKurtosys is a data analytics company established in 2002. Their team focuses on BI & big data consulting & SI.Read More
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1835Undisclosed50 - 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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1836Undisclosed10 - 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
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1837Undisclosed50 - 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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1838Undisclosed50 - 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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1839Undisclosed10 - 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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1840Undisclosed50 - 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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1841Undisclosed50 - 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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1842Undisclosed50 - 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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1843Undisclosed50 - 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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1844Undisclosed250 - 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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1845Undisclosed50 - 249 employeesLondon, EnglandIT strategy consulting company Stratacent was established in 2012. The firm provides IT strategy consulting and Robotics Process Automation, and is midsize.Read More
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1846Undisclosed50 - 249 employeesLondon, EnglandNlyte Software is a midsize London, England-based IT strategy consulting company. Their services include IT strategy consulting.Read More
Industries
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1847Undisclosed250 - 999 employeesLondon, EnglandVBT Software, a software development company, was launched in 1993. The firm focuses on Custom Software Development and IT strategy consulting.Read More
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1848Undisclosed50 - 249 employeesLondon, EnglandMidsize IT strategy consulting company Unifii , is headquartered in London, England. Their services include IT strategy consulting and DevOps Managed Services.Read More
Industries
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1849Undisclosed50 - 249 employeesLondon, EnglandFusion Global Business Solutions is an IT strategy consulting company. Founded in 1998, the agency is based in London, England. Their team offers IT strategy consulting and Cybersecurity.Read More
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1850Undisclosed50 - 249 employeesLondon, EnglandBased in London, England and Reading, England, Livingstone Technologies Limited is a midsize IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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1851Undisclosed50 - 249 employeesLondon, EnglandKaptius is a London, England-based IT strategy consulting company. They specialize in IT strategy consulting and were established in 2017.Read More
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1852Undisclosed50 - 249 employeesLondon, EnglandLocated in London, England, Mozaic Services Limited is a midsize IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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1853Undisclosed10 - 49 employeesLondon, EnglandEstablished in 2018, Old Street Solutions is an IT strategy consulting company. The firm offers IT strategy consulting and BI & big data consulting & SI, and is small.Read More
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1854Undisclosed50 - 249 employeesLondon, EnglandCTM is an IT strategy consulting and IT managed services company. Founded in 2014, their team provides IT strategy consulting and IT managed services.Read More
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1855Undisclosed10 - 49 employeesLondon, EnglandLocated in London, England and New York, New York, CKM Analytix is an IT strategy consulting company. The team specializes in IT strategy consulting and BI & big data consulting & SI.Read More
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1856Undisclosed10 - 49 employeesLondon, EnglandITEO is a small IT strategy consulting company. They focus on IT strategy consulting and cloud consulting & SI and were launched in 2014.Read More
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1857Undisclosed50 - 249 employeesLondon, EnglandTechExcel, Inc. Is a midsize IT strategy consulting company launched in 1992. Their services include IT strategy consulting and CRM consulting and SI.Read More
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1858Undisclosed10 - 49 employeesLondon, EnglandNEYO LTD, an IT strategy consulting company, was established in 2014. The agency provides IT strategy consulting.Read More
Industries
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1859Undisclosed1,000 - 9,999 employeesSan Jose, CASpirent Communications is a Cybersecurity company in San Jose, California and Beijing, China. They offer Cybersecurity and IT managed services and were launched in 1936.Read More
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1860Undisclosed10 - 49 employeesBradley Stoke, EnglandVivantio, an IT strategy consulting and IT managed services company, was launched in 2003. The small team offers IT strategy consulting and IT managed services.Read More
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Schedule ConsultationMost Reviewed IT Services Company in United Kingdom
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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