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
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2461$75,000+2 - 9 employeesLondon, EnglandResearchCave Technology, a software development company, is headquartered in London, England. Their services include Custom Software Development and Web Development.Read More
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2462$5,000+10 - 49 employeesWorthing, EnglandStrides Empower Ltd is a custom software development company founded in 2018. The agency provides Custom Software Development and Mobile App Development.Read More
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2463$25,000+10 - 49 employeesCanary Wharf, EnglandVolume Up Digital is a Digital Strategy company launched in 2020. The firm provides Digital Strategy and Custom Software Development, and is small.Read More
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2464$1,000+10 - 49 employeesCovent Garden, EnglandSmall application development firm UK Digital Company, is in Covent Garden, England. Their services include Mobile App Development and E-Commerce Development.Read More
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2465$1,000+10 - 49 employeesLondon, EnglandIn London, England and Lahore, Pakistan, Sparkwave Technologies is an Advertising company. They offer Advertising and Branding.Read More
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2466$10,000+10 - 49 employeesLondon, EnglandZiggy Agency Ltd is a social media marketing firm. Their team is based in London, England. The company specializes in Social Media Marketing and Pay Per Click.Read More
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2467Undisclosed10 - 49 employeesLondon, EnglandA8om is a branding firm established in 2021. The team focuses on Branding and Social Media Marketing.Read More
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2468$1,000+10 - 49 employeesHounslow, EnglandQubetech Limited is a social media marketing company. The team offers Social Media Marketing and Search Engine Optimization, and the company is located in Hounslow, England.Read More
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2469$50,000+10 - 49 employeesLondon, EnglandCustomer Service Outsourcing company Web3 Community Management is in San Francisco, California and London, England. They provide Customer Service Outsourcing and Sales Outsourcing.Read More
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2470$10,000+250 - 999 employeesBirmingham, EnglandMidsize big data analytics company Inspired Thinking Group, is in Birmingham, England and London, England. The team offers BI & big data consulting & SI and Back Office Outsourcing.Read More
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2471$10,000+250 - 999 employeesLeeds , EnglandEgton , a midsize call center, is based in Leeds , England. Their services include Call Center Services and IT strategy consulting.Read More
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2472Undisclosed250 - 999 employeesLondon, EnglandWunderman Thompson MAP, a midsize Marketing Strategy company, is headquartered in København, Denmark and Bangkok, Thailand. Their services include Marketing Strategy and Social Media Marketing.Read More
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2473Undisclosed250 - 999 employeesLondon, EnglandInterpath Advisory is a London, England-based IT strategy consulting company. They provide IT strategy consulting and Accounting.Read More
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2474Undisclosed250 - 999 employeesLondon, EnglandKekst CNC, a PR firm, was founded in 2018. The midsize team specializes in Public Relations and Litigation Support Services.Read More
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2475Undisclosed250 - 999 employeesBelfast, Northern IrelandTreliant, a midsize Business Consulting company, is based in Belfast, Northern Ireland and Washington, District of Columbia. Their services include Business Consulting and Litigation Support Services.Read More
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2476Undisclosed250 - 999 employeesLondon, EnglandTen10 Group is a midsize Application Testing company. Founded in 2004, the team provides Application Testing and Artificial Intelligence.Read More
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2477Undisclosed250 - 999 employeesBirmingham, EnglandResillion, an Application Testing company, was launched in 2022. The midsize team focuses on Application Testing and Computer Engineering.Read More
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2478Undisclosed250 - 999 employeesCity of London, EnglandWideOrbit is a midsize Advertising company in San Francisco, California and City of London, England. The team provides Advertising and Marketing Strategy.Read More
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2479Undisclosed250 - 999 employeesCity of London, EnglandSparta Global, an Application Testing company, was established in 2014. The midsize team specializes in Application Testing and Market Research.Read More
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2480Undisclosed250 - 999 employeesCity of London, EnglandIdeyaLabs is an Advertising company launched in 2019. Their team offers Advertising and UX/UI Design.Read More
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2481Undisclosed250 - 999 employeesLondon, EnglandInsead Tech is a midsize e-commerce development company based in London, England. The team focuses on E-Commerce Development and ERP consulting and SI.Read More
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2482Undisclosed250 - 999 employeesClifton upon Dunsmore, EnglandSEO agency WHY Global Services was established in 2009. Headquartered in Dublin, Ireland and Clifton upon Dunsmore, England, the team offers Search Engine Optimization and Pay Per Click.Read More
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2483$1,000+2 - 9 employeesKendal, EnglandScion Internet is a web development company. In Kendal, England and Manchester, England, their small team provides Web Development and Custom Software Development. The agency was founded in 2017.Read More
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2484$1,000+2 - 9 employeesLeeds, EnglandBula Marketer, a PPC company, is located in Leeds, England. Their services include Pay Per Click and Web Design.Read More
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2485Undisclosed50 - 249 employeesMaidenhead, EnglandEque2 Ltd is a custom software development firm. Headquartered in Maidenhead, England and Farnham Surrey , England, the team specializes in Custom Software Development and ERP consulting and SI.Read More
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2486$1,000+2 - 9 employeesLondon , EnglandLaunched in 2011, VenturaQA Solutions is a small Application Testing company based in London , England and Hyderabad, India. Their team focuses on Application Testing and IT strategy consulting.Read More
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2487Undisclosed50 - 249 employeesLondon, EnglandFounded in 2014, Auxesis Group is a Blockchain company. Based in Mumbai, India and London, England, the team focuses on Blockchain and Cybersecurity.Read More
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2488$1,000+2 - 9 employeesLondon, EnglandErwin Adrian Ltd is a Marketing Strategy company. In London, England, their small team specializes in Marketing Strategy and Web Design. The agency was established in 2018.Read More
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2489Undisclosed50 - 249 employeesLeeds, EnglandAnswer Digital is a software development firm. Founded in 1998, the agency is located in Leeds, England. Their services include Custom Software Development and UX/UI Design.Read More
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2490Undisclosed50 - 249 employeesLeeds , EnglandDTP Group is a Leeds , England-based software development firm. Established in 1987, the team provides Custom Software Development and IT managed services.Read More
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