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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391$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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392Undisclosed10 - 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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393UndisclosedFreelancer 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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394Undisclosed50 - 249 employeesLondon, EnglandCyberOne, a Cybersecurity company, was founded in 2005. The company specializes in Cybersecurity and IT managed services, and is midsize.Read More
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395$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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396$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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397$10,000+10 - 49 employeesLondon, EnglandT3 is an AI Consulting company founded in 2023. The small London, England-based team specializes in AI Consulting, Artificial Intelligence, Generative AI, AI Agents, and more.Read More
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398$1,000+2 - 9 employeesHigh Wycombe, EnglandLaunched in 2018, Leadhook Media is an Email Marketing company. They are in High Wycombe, England and have a small team. The firm provides Email Marketing, Advertising, Direct Marketing, Conversion Optimization, and more.Read More
Industries
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399$5,000+2 - 9 employeesStaines-upon-Thames, EnglandCompliance Consulting company KEW DATA was launched in 2023. They are headquartered in Staines-upon-Thames, England and have a small team. Their services include Compliance Consulting, Internet & Technology Law, and Cybersecurity.Read More
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400$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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401Undisclosed10 - 49 employeesManchester, EnglandNetMonkeys Ltd is an IT managed services company. The Manchester, England-based firm was launched in 2003. Their services include IT managed services and Custom Software Development.Read More
Industries
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402$250,000+2 - 9 employeesLondon, EnglandSanRa is a Cybersecurity company established in 2022. The small team specializes in Cybersecurity.Read More
Industries
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403$5,000+10 - 49 employeesLondon, EnglandCosonas Ltd, an IT strategy consulting company, is based in London, England. They offer IT strategy consulting, IT staff augmentation, Custom Software Development, Web Development, and more and were founded in 2020.Read More
Industries
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404$1,000+10 - 49 employeesGreenford, EnglandIT managed services company Toshost Ltd was launched in 2012. The agency specializes in IT managed services.Read More
Industries
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405$1,000+10 - 49 employeesSheffield, EnglandLaunched in 2007, One2Call Ltd is a small IT managed services company. Their services include IT managed services and unified communications consulting & SI.Read More
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406$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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407$100,000+250 - 999 employeesLondon, EnglandCRM consulting and SI company Exalogic Consulting is based in Dubai, United Arab Emirates and Bengaluru, India. The team provides CRM consulting and SI and Business Consulting.Read More
Industries
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408$10,000+10 - 49 employeesNewbury, EnglandSiaNTech is a small website development firm. Based in Newbury, United Kingdom, the agency was launched in 2021. Their services include web development, mobile app development, web design, IT strategy consulting, and more.Read More
Industries
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409$50,000+2 - 9 employeesLondon, EnglandMVR IT Limited, a data analytics company, was launched in 2014. The firm specializes in BI & big data consulting & SI and cloud consulting & SI, and is small.Read More
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410Undisclosed2 - 9 employeesNottingham, EnglandCybersecurity company Collective Security is based in Nottingham, England. Their services include Cybersecurity and other IT consulting and SI.Read More
Industries
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411$5,000+10 - 49 employeesWatford, EnglandEstablished in 2014, BSBI Consultancy Solutions is a business intelligence company. The team offers BI & big data consulting & SI and Artificial Intelligence and is based in Watford, England.Read More
Industries
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412Undisclosed10 - 49 employeesLondon, EnglandDelv Global, a data analytics company, was launched in 2007. They provides BI & big data consulting & SI and Business Consulting.Read More
Industries
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413Undisclosed2 - 9 employeesLondon, EnglandData Centre Professionals Ltd. Is an IT managed services company founded in 2017. Their team focuses on IT managed services and other IT consulting and SI.Read More
Industries
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414$1,000+10 - 49 employeesManchester, EnglandD55 is a cloud consulting & SI company. They are in Manchester, England. Their team provides cloud consulting & SI and Custom Software Development.Read More
Industries
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415$5,000+10 - 49 employeesSolihull, EnglandLeap IT Ltd is an IT strategy consulting company. They are headquartered in Solihull, England, and their services include IT strategy consulting and cloud consulting & SI.Read More
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416$1,000+10 - 49 employeesTividale, EnglandLaunched in 2020, Polytech IT is a Digital Strategy company. The team focuses on Digital Strategy and Social Media Marketing.Read More
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417$10,000+50 - 249 employeesLondon, EnglandTejas Software, Inc. Is a midsize Greenwood Village, Colorado-based cloud consulting & SI and CRM consulting and SI company. The team provides cloud consulting & SI and CRM consulting and SI.Read More
Industries
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418$10,000+10 - 49 employeesLondon, EnglandUASOFTDEV, a small cloud consulting & SI company, is headquartered in Brovary, Ukraine; Kyiv, Ukraine; Berlin, Germany and London, England. They specialize in cloud consulting & SI, Custom Software Development, Web Development, IT staff augmentation, and more and were founded in 2022.Read More
Industries
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419$25,000+10 - 49 employeesGuildford, EnglandCommunere Ltd is a website development company located in Guildford, United Kingdom. Established in 2012, the small team focuses on web development, custom software development, mobile app development, Artificial Intelligence, and more.Read More
Clients
AgxioIndustries
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420$1,000+50 - 249 employeesBournemouth, EnglandLocated in Bournemouth, England and Poole, England, Enhanced is a midsize IT managed services company. The team specializes in IT managed services and cloud consulting & SI.Read More
Industries
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