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, ILBetterWorld 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.Read More
Industries
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331$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
Industries
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332Undisclosed2 - 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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333Undisclosed2 - 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
Industries
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334Undisclosed250 - 999 employeesBirmingham, EnglandAir IT is an IT strategy consulting company established in 2005. Based in Sandiacre, England and Birmingham, England, the team specializes in IT strategy consulting and cloud consulting & SI.Read More
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335$5,000+50 - 249 employeesLondon, EnglandRead More
Urolime Technologies is a DevOps consulting company founded in Cochin, India in 2011. With over 50 professionals, they provide cloud consulting, IT managed services and IT staff augmentation solutions to clients across various industries.
Industries
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336$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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337$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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338Undisclosed250 - 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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339$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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340$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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341Undisclosed10 - 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
Industries
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342$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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343$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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344Undisclosed10,000+ employeesNavi Mumbai, IndiaHexaware Technologies is a large IT strategy consulting company. Established in 1990, the team focuses on IT strategy consulting and cloud consulting & SI.Read More
Industries
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345$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
Industries
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346$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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347$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
Industries
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348$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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349$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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350$10,000+50 - 249 employeesStanmore, EnglandMicromindercs is a Cybersecurity company. Launched in 2018, the team focuses on Cybersecurity and IT managed services.Read More
Industries
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351Undisclosed10 - 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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352UndisclosedFreelancer employeesLondon, EnglandRead More
Saines Business Consulting is the solo enterprise of David Saines, an independent consultant based in London. Saines provides business consulting and productivity, collaboration & UC consulting and SI services to enterprise and smaller-sized companies in the financial services, transportation, utilities, and other industries.
Clients
Virgin Atlantic AirwaysIndustries
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353$25,000+1,000 - 9,999 employeesLondon, EnglandNetsol Technologies Inc. Is a Cybersecurity company. Based in Los Angeles, California and London, England, the team specializes in Cybersecurity and cloud consulting & SI.Read More
Industries
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354$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
Industries
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355$10,000+10 - 49 employeesLondon , EnglandRead More
Danger Farms is a London-based digital agency founded in 2012. With their team of over 10 people, they provide custom software development, digital strategy, and UX/UI design solutions primarily to enterprise-level clients. They have experience in business and financial services, as well as retail.
Clients
Lloyd's RegisterIndustries
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356$10,000+50 - 249 employeesHastings, EnglandA-listware, an IT staff augmentation company, is based in Hastings, England. The midsize company was established in 2017. Their services include IT staff augmentation, IT managed services, Custom Software Development, Web Development, and more.Read More
Industries
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357$5,000+2 - 9 employeesLeeds, EnglandXTEN is an IT managed services company. They were launched in 2014, and their services include IT managed services and cloud consulting & SI.Read More
Industries
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358$1,000+10 - 49 employeesStourbridge, EnglandSuperfast IT is a Cybersecurity company. In Stourbridge, England, the agency specializes in Cybersecurity and IT managed services.Read More
Industries
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359$1,000+1,000 - 9,999 employeesLondon, EnglandSify Digital Services Ltd is a large IT staff augmentation company founded in 1995. Their team provides IT staff augmentation and IT managed services.Read More
Industries
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360Undisclosed10 - 49 employeesManchester, EnglandNetMonkeys Ltd is a small IT managed services company established in 2003. Their services include IT managed services and Cybersecurity.Read More
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