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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1201$10,000+2 - 9 employeesLondon, EnglandBayseian is an artificial intelligence company. They specialize in Artificial Intelligence and IT strategy consulting and are in London, England.Read More
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1202$1,000+10 - 49 employeesLondon, EnglandSAIntellect Solutions, an user experience company, is located in Bhubaneswar, India and London, England. They focus on UX/UI Design and Branding.Read More
Industries
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1203$10,000+10 - 49 employeesKendal, EnglandEstablished in 2020, San Digital, a small IT strategy consulting company, is located in Kendal, England. Their team provides IT strategy consulting and E-Commerce Development.Read More
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1204$5,000+2 - 9 employeesLondon, EnglandMindGap is an artificial intelligence company. Founded in 2019, the agency offers Artificial Intelligence and BI & big data consulting & SI.Read More
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1205$50,000+10 - 49 employeesHorsforth, EnglandProximity Group is an Application Management & Support company. They were launched in 2007 and provide Application Management & Support and ERP consulting and SI.Read More
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1206$50,000+10 - 49 employeesCorsham, EnglandGGMR is an UX design company. They are based in Corsham, England. Their team specializes in UX/UI Design and Web Development.Read More
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1207$10,000+50 - 249 employeesMaidenhead, EnglandNeosAlpha is a Maidenhead, England-based IT strategy consulting company. They specialize in IT strategy consulting and Enterprise App Modernization and were established in 2020.Read More
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1208$5,000+2 - 9 employeesBelfast, Northern IrelandLocated in Belfast, Northern Ireland, Big Business Agency Ltd is a pay per click company. Established in 2021, the team focuses on Pay Per Click and Social Media Marketing.Read More
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1209$25,000+10 - 49 employeesLondon, EnglandSmall web design agency Lunar Web Solution Technologies Private Limited, is in Noida, India. Their services include Web Design and UX/UI Design.Read More
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1210$10,000+2 - 9 employeesLondon, EnglandRed Eagle Tech is a custom software development company. They are based in London, England and have a small team that provides Custom Software Development, IT strategy consulting, BI & big data consulting & SI, and Artificial Intelligence. The agency was founded in 2024.Read More
Industries
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1211Undisclosed2 - 9 employeesLondon, EnglandDigital Peak is a cloud consulting & SI company. They are headquartered in London, England and have small team. Their team focuses on cloud consulting & SI and Cybersecurity.Read More
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1212$5,000+2 - 9 employeesCheltenham, EnglandAipex Digital Ltd is a web design company. They focus on Web Design and Cybersecurity and were launched in 2023. The company is based in Cheltenham, England.Read More
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1213$25,000+2 - 9 employeesLondon, EnglandDigital Bank Expert is an IT staff augmentation company. Launched in 2016, their team offers IT staff augmentation and IT strategy consulting.Read More
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1214Undisclosed2 - 9 employeesGlasgow, ScotlandREVO Utilities is an IT strategy consulting company. Established in 2015, the company specializes in IT strategy consulting and Cybersecurity.Read More
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1215$50,000+2 - 9 employeesLondon, EnglandDatapipesoft is a small AI firm headquartered in London, England. Their services include Artificial Intelligence and BI & big data consulting & SI.Read More
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1216$10,000+250 - 999 employeesLondon, EnglandNovicell is a branding agency. The firm is headquartered in London, England. Their team focuses on Branding and Digital Strategy.Read More
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1217$5,000+10 - 49 employeesLondon, EnglandMirko Consultancy Ltd. Is an unified communications consulting & SI company founded in 2019. The firm offers unified communications consulting & SI and Corporate Training & Coaching, and is small.Read More
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1218$1,000+10 - 49 employeesAdderbury, EnglandST Engineering Antycip, a custom software development firm, provides Custom Software Development and AR/VR development. The firm is headquartered in Argenteuil, France and Saronno, Italy.Read More
Industries
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1219$100,000+50 - 249 employeesSlough, EnglandIntagleo Systems is a midsize Slough, United Kingdom-based custom software development firm. Founded in 2004, the team focuses on custom software development, IT staff augmentation, mobile app development, web development, and more.Read More
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1220$1,000+2 - 9 employeesLondon, EnglandIDeliver is an application development company established in 2012. The team specializes in Mobile App Development and BI & big data consulting & SI.Read More
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1221$50,000+10 - 49 employeesLondon, EnglandInfinniti, an IT strategy consulting company, was launched in 2020. The team focuses on IT strategy consulting and Custom Software Development.Read More
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1222Undisclosed50 - 249 employeesLondon, EnglandIvenium Marketing is a Marketing Strategy company. Their team is headquartered in Rzeszów, Poland and London, England and specializes in Marketing Strategy and AI Consulting.Read More
Industries
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1223Undisclosed2 - 9 employeesBirmingham, EnglandPopcorn Email Marketing is a Direct Marketing company. The firm is headquartered in Birmingham, England. Their team offers Direct Marketing and CRM consulting and SI.Read More
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1224$25,000+10 - 49 employeesLondon, EnglandElecti Consulting is an AI development company. Established in 2017, the team provides Artificial Intelligence and Blockchain. The agency is based in London, England and Λεμεσός, Cyprus.Read More
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1225$1,000+10 - 49 employeesLondon, EnglandInbound Marketing Agency is a SEO agency. They were launched in 2013 and offer Search Engine Optimization and Pay Per Click.Read More
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1226Undisclosed10 - 49 employeesLondon, EnglandLocated in London, England and Mumbai, India, Network Science is an AR/VR development company. They specialize in AR/VR development and IoT development.Read More
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1227$1,000+Freelancer employeesEast Kilbride, ScotlandHammur IT Services, a web design company, offers Web Design and IT strategy consulting. The firm is in East Kilbride, Scotland.Read More
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1228$10,000+Freelancer employeesEast Ardsley, EnglandNorthern Contrast, an IT strategy consulting company, was established in 2011. The small East Ardsley, United Kingdom-based team provides IT strategy consulting, web design, web development, product design, and more.Read More
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1229Undisclosed10 - 49 employeesBristol, EnglandLocated in Bristol, England, Wattle is a web design agency. The team specializes in Web Design and CRM consulting and SI.Read More
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1230$10,000+250 - 999 employeesCluj-Napoca, RomaniaCodertal is a midsize mobile application development company. They focus on Mobile App Development and Web Development and were launched in 2021.Read More
Industries
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