Top 100 IT Services Companies in the United Kingdom
The Best of September 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.
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List of the Best United Kingdom IT Companies
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301$25,000+50 - 249 employeesLondon, EnglandThinkData Works, a big data company, focuses on BI & big data consulting & SI. The agency is headquartered in Toronto, Canada and London, England.Read More
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Lloyds BankIndustries
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302$25,000+2 - 9 employeesLondon, EnglandDBETA is a London, England-based web development company. The small team specializes in Web Development, IT strategy consulting, Artificial Intelligence, Digital Engineering, and more. The agency was established in 2019.Read More
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303$5,000+2 - 9 employeesYork, EnglandRead More
Open Velocity is a marketing strategy and digital strategy company based in York, United Kingdom. The small team specializes in marketing strategy and digital strategy. The agency was established in 2022.
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304$5,000+10 - 49 employeesBorehamwood, EnglandSmile IT Solutions, a cloud consulting & SI company, was established in 2015. The small Borehamwood, England-based team offers cloud consulting & SI, Artificial Intelligence, AI Agents, Generative AI, and more.Read More
Clients
Hertford Town Football Club Biadin United Kingdom Uncovered Teb SoftIndustries
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305$250,000+1,000 - 9,999 employeesLondon, EnglandInfostretch is a large Application Testing company headquartered in Santa Clara, California and New York, New York. Their services include Application Testing and Enterprise App Modernization.Read More
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306$1,000+2 - 9 employeesLondon, EnglandRead More
Founded in 2018, Artecha is a development firm. Their team of around 5 employees is based in London, with additional offices in Kyiv, Ukraine and Milan They focus on web development, mobile app development, and application management.
Clients
PropertalisIndustries
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307Undisclosed250 - 999 employeesLondon, EnglandRoyal Cyber is an UX design agency. Launched in 2002, their team specializes in UX/UI Design and cloud consulting & SI.Read More
Industries
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308$1,000+50 - 249 employeesSmethwick, EnglandProgressino LLC is a Ypsilanti, Michigan-based pay per click agency. The midsize team offers Pay Per Click, UX/UI Design, Advertising, Search Engine Optimization, and more. The agency was established in 2011.Read More
Clients
IBMIndustries
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309$1,000+2 - 9 employeesLondon, EnglandMVee Media Ltd., an Advertising company, was founded in 2015. Their small team is headquartered in London, England; London, England and Watford, England. The firm specializes in Advertising, Search Engine Optimization, cloud consulting & SI, and Ecommerce Marketing.Read More
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310Undisclosed250 - 999 employeesBrentford, EnglandMediaAgility, a cloud consulting & SI company, is in Princeton, New Jersey and Gurugram, India. The team offers cloud consulting & SI and unified communications consulting & SI.Read More
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311$25,000+10 - 49 employeesLondon, EnglandWebMagic Agency, a software development firm, is located in London, England; Reda, Poland; Segovia, Spain and Cluj-Napoca, Romania. The company offers Custom Software Development, E-Commerce Development, IT managed services, API Development, and more and has a small team.The company was launched in 2014.Read More
Industries
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312$10,000+50 - 249 employeesLondon, EnglandRead More
4xxi is a web and mobile development company headquartered in London, UK with satellite offices in Saint Petersburg and Saransk, Russia. 4xxi's team of 50+ employees provides web development, mobile app development, and custom software development services to startups, mid-market businesses, and enterprises alike. They also have a diverse industry presence, working with healthcare, financial services, and education firms.
Clients
FIFAIndustries
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313$10,000+2 - 9 employeesLondon, EnglandCustom software development company Red Eagle Tech is located in London, England. They offer Custom Software Development, IT strategy consulting, BI & big data consulting & SI, and Artificial Intelligence and were founded in 2024.Read More
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314$10,000+2 - 9 employeesLondon, EnglandLeftshifted is a business intelligence company. Their small team of employees is in London, England. Their team specializes in BI & big data consulting & SI and IT strategy consulting.Read More
Clients
The MLC twentyAI Standard InnovationIndustries
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315$1,000+2 - 9 employeesWembley, EnglandVUPAX Solutions Limited, an user experience design company, was founded in 2025. Their small team is based in Wembley, England. Their services include UX/UI Design, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.Read More
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316$1,000+10 - 49 employeesLondon, EnglandIshango.ai is a cloud consulting & SI company. They specialize in cloud consulting & SI, Custom Software Development, BI & big data consulting & SI, Web Development, and more and were established in 2022. Their small team is London, England-based.Read More
Industries
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317$5,000+50 - 249 employeesHastings, EnglandBased in Hastings, England, RBC Group is a big data analytics company. They specialize in BI & big data consulting & SI and IT strategy consulting and were launched in 2008.Read More
Industries
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318Undisclosed250 - 999 employeesLondon, EnglandMiratech is a New York, New York-based unified communications consulting & SI company. Founded in 1989, the team specializes in unified communications consulting & SI and IT strategy consulting.Read More
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319$25,000+50 - 249 employeesRedruth, EnglandHeadforwards, a midsize IT strategy consulting company, is located in Redruth, England. Their services include IT strategy consulting and BI & big data consulting & SI.Read More
Clients
John Lewis Partnership Cornwall Council Softcat BluecrestIndustries
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320$1,000+2 - 9 employeesLondon, EnglandRead More
Cloudavity Consulting LTD is a consultancy founded in 2018. Their team of fewer than 10 provides cloud consulting and web development solutions from their office in London. They work with clients in industries such as business services, financial services, and IT solutions.
Clients
KenoIndustries
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321$1,000+10 - 49 employeesLondon, EnglandLoudlyDev Global Solutions is a website development company. Launched in 2018, the small company is in Lahore, Pakistan; London, England and Duluth, Georgia. Their team focuses on Web Development, IT staff augmentation, Artificial Intelligence, UX/UI Design, and more.Read More
Industries
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322$10,000+250 - 999 employeesRochdale, EnglandEnigmatix Global is a midsize IT staff augmentation company. The Rochdale, England-based company was established in 2008. Their services include IT staff augmentation, DevOps Managed Services, Custom Software Development, cloud consulting & SI, and more.Read More
Industries
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323$10,000+10 - 49 employeesLondon, EnglandFleapo, a software development firm, was launched in 2015. Their small team is based in London, England; Tallinn, Estonia; Singapore and Toronto, Canada and focuses on Custom Software Development, Mobile App Development, Artificial Intelligence, IT strategy consulting, and more.Read More
Clients
Mio Amore West Bengal Pollution Control Board TagMango Fresh AisleIndustries
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324$5,000+2 - 9 employeesLuton, EnglandUkkotech, a staffing company, was established in 2023. They are based in Chişinău, Moldova and have a small team. Their services include staffing, web design, custom software development, api development, and more.Read More
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325Undisclosed50 - 249 employeesHalifax, EnglandWicresoft, an IT strategy consulting company, offer IT strategy consulting and BI & big data consulting & SI. They were founded in 2002.Read More
Industries
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326$1,000+Freelancer employeesBristol , EnglandRead More
Web design agency and website development company Benedict Wallis - Web Developer was launched in 2016. The small team focuses on web design and web development. The company is located in Bristol , United Kingdom.
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327$1,000+10 - 49 employeesEdinburgh, ScotlandIT managed services company Dunedin IT is based in Edinburgh, Scotland and Glasgow, Scotland. The team provides IT managed services and IT strategy consulting.Read More
Industries
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328$25,000+2 - 9 employeesLondon, EnglandHeadquartered in London, England, Line20 Digital is a website development firm. They offer Web Development, Cybersecurity, Web Design, and UX/UI Design and were launched in 2016.Read More
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IGN Entertainment - Ziff DavisIndustries
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329$10,000+50 - 249 employeesWallsend, EnglandForfusion is a midsize Wallsend, England-based IT managed services company. Their services include IT managed services and IT strategy consulting.Read More
Industries
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330$25,000+2 - 9 employeesLondon, EnglandDigital Bank Expert is an IT staff augmentation company established in 2016. The small London, England-based team focuses on IT staff augmentation, IT strategy consulting, IT managed services, and Custom Software Development.Read More
Industries
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