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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361$25,000+50 - 249 employeesSwindon, EnglandLaunched in 2003, Ntegra, a midsize IT strategy consulting company, is based in Swindon, England. Their services include IT strategy consulting and IT managed services.Read More
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362$5,000+50 - 249 employeesLondon, EnglandCovertSwarm is a Cybersecurity company based in London, England and Wilmington, Delaware. Founded in 2020, the team provides Cybersecurity.Read More
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363$1,000+10 - 49 employeesLondon, EnglandRead More
Altahonos is a digital reputation company based in London with offices in San Francisco and Istanbul. The company, founded in 2017, has a team of more than ten that provides cybersecurity, branding, digital strategy, SEO, and IT strategy consulting services to various clients and companies.
Clients
Jasper's Info TechIndustries
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364$1,000+50 - 249 employeesLondon, EnglandMidsize UX agency Ambala IT, is headquartered in Dhaka, Bangladesh; London, England and Kasoa, Ghana. They offer UX/UI Design, IT strategy consulting, Custom Software Development, Web Development, and more and were founded in 2016.Read More
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365Undisclosed10 - 49 employeesHarrogate, EnglandData Connect Group is a Cybersecurity company. Their small team is located in Harrogate, England. Their services include Cybersecurity.Read More
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366$50,000+50 - 249 employeesManchester, EnglandRead More
Based in Navi Mumbai, India and Orpington, United Kingdom, Arrk Group is a cloud consulting & SI company. The midsize agency was founded in 1998. Their services include cloud consulting & SI, IT managed services, custom software development, mobile app development, and more.
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367$10,000+10 - 49 employeeskent, EnglandSmall IT managed services company Allteks LTD, is located in kent, England. Their services include IT managed services and IT strategy consulting.Read More
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368Undisclosed2 - 9 employeesColchester, EnglandSaint IT Ltd is a cloud consulting & SI company. Their small team is in Colchester, England; London, England and Nuneaton, England. Their services include cloud consulting & SI, Custom Software Development, Content Writing Services, Business Continuity Management, and more. The agency was launched in 2016.Read More
Clients
Bridge Mind Sport Cell CM Phoenix-uk.co.uk RDP Accountants IpswichIndustries
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369$1,000+10 - 49 employeesFrome, EnglandNETITUDE is an IT managed services company established in 2001. In Frome, England and Bristol, England, the team offers IT managed services and IT strategy consulting.Read More
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370$5,000+10 - 49 employeesEastwood, EnglandReformed IT is an IT managed services company in Eastwood, England. Founded in 2019, the team provides IT managed services and unified communications consulting & SI.Read More
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371Undisclosed250 - 999 employeesBirmingham, EnglandIT strategy consulting company Air IT Group was established in 2005. The team provides IT strategy consulting and cloud consulting & SI.Read More
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372$50,000+50 - 249 employeesManchester, EnglandBrightBox Group, an IT staff augmentation company, specialize in IT staff augmentation and IT strategy consulting. They were established in 2017.Read More
Clients
BankiFiIndustries
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373Undisclosed250 - 999 employeesManchester, EnglandInKnowTech is an IT managed services company. The team is based in Bengaluru, India and Bengaluru, India, and their services include IT managed services and cloud consulting & SI.Read More
Industries
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374$25,000+10 - 49 employeesRugby, EnglandRead More
CoreScripts Technologies LLP is a software development house headquartered in Pune, India. Founded in 2018, their team of 8–10 employees specializes in custom software development. They also offer BI and analytics, testing and QA, and cloud migration services.
Industries
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375$5,000+250 - 999 employeesBorehamwood, EnglandRaygain Technologies is a cloud consulting & SI company. Located in Borehamwood, England and New Delhi, India, their team focuses on cloud consulting & SI and Cybersecurity.Read More
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376Undisclosed10 - 49 employeesLondon, EnglandLaunched in 2017, Hazy is a small big data company. Their services include BI & big data consulting & SI and Artificial Intelligence.Read More
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377$1,000+50 - 249 employeesWarrington, EnglandCloudCoCo Plc is a midsize Warrington, England-based IT managed services company. The team specializes in IT managed services and Cybersecurity.Read More
Industries
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378$25,000+10 - 49 employeesRichmond, EnglandUser experience agency Unified is located in Richmond, England. The company offers UX/UI Design, Conversion Optimization, Digital Strategy, E-Commerce Development, and more and is small.The company was launched in 1993.Read More
Industries
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379Undisclosed2 - 9 employeesLondon, EnglandSystron Micronix is a social media marketing agency founded in 1997. They are based in Kissimmee, Florida; Nagpur, India and London, England and have a small team. The firm offers Social Media Marketing, Search Engine Optimization, IT managed services, Web Development, and more.Read More
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380Undisclosed10,000+ employeesLondon, EnglandEstablished in 1990, Hexaware Technologies is a large Woodbridge Township, New Jersey-based IT managed services company. Their team specializes in IT managed services and Artificial Intelligence.Read More
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381$10,000+10 - 49 employeesLondon, EnglandTupelo Limited is an IT staff augmentation company. The small London, United Kingdom-based firm was established in 2018. Their team provides IT staff augmentation, recruiting, and IT strategy consulting.Read More
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382$10,000+2 - 9 employeesChester, EnglandBailey & Associates is an IT strategy consulting company. Their team is headquartered in Chester, England. The agency focuses on IT strategy consulting and ERP consulting and SI.Read More
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383Undisclosed10 - 49 employeesLondon, EnglandWeb Design Agency UK is a SEO services firm. They provide Search Engine Optimization, IT managed services, Web Development, and E-Commerce Development and were launched in 2016. Their small team is in London, England.Read More
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384$5,000+10 - 49 employeesBristol, EnglandIllumo digital is an IT strategy consulting company. Established in 2004, the agency is located in Bristol, England. Their team offers IT strategy consulting and Digital Strategy.Read More
Industries
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385$10,000+10 - 49 employeesNewcastle upon Tyne, EnglandLeaf is a business intelligence company located in Newcastle upon Tyne, England. The small team offers BI & big data consulting & SI, E-Commerce Development, Ecommerce Marketing, Performance Marketing, and more and was launched in 2014.Read More
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386$1,000+10 - 49 employeesLondon, EnglandMacnitech is a cloud consulting & SI company. The company is located in London, England. Their services include cloud consulting & SI and Cybersecurity.Read More
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387$1,000+10 - 49 employeesLondon, EnglandWebtech is a custom software development firm. They specialize in Custom Software Development, Web Development, UX/UI Design, ERP consulting and SI, and more and were founded in 2021. Their small team is in London, England.Read More
Industries
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388$10,000+50 - 249 employeesLondon, EnglandPlexteq, a custom software development company, was established in 2014. Headquartered in Vinnytsia, Ukraine; Tallinn, Estonia and London, England, their midsize team provides Custom Software Development, Enterprise App Modernization, DevOps Managed Services, BI & big data consulting & SI, and more.Read More
Clients
AVI-SPLIndustries
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389$5,000+10 - 49 employeesLondon, EnglandLaunched in 2002, zsah Limited is a cloud consulting & SI company. The team offers cloud consulting & SI and BI & big data consulting & SI.Read More
Industries
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390$5,000+10 - 49 employeesLondon, EnglandUnified communications consulting & SI company Content Formula was launched in 2005. The company offers unified communications consulting & SI and Custom Software Development, and is small.Read More
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