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, ILRead More
BetterWorld 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.
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2071Undisclosed10 - 49 employeesCardiff, WalesE-commerce development company ZestinIT Solutions Ltd is in Cardiff, Wales and Navi Mumbai, India. They specialize in E-Commerce Development and Mobile App Development and were founded in 2014.Read More
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2072Undisclosed10 - 49 employeesLondon, EnglandLaunched in 2012, Lab42 is a small London, England-based user experience agency. Their team provides UX/UI Design and IT strategy consulting.Read More
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2073Undisclosed50 - 249 employeesLondon, EnglandHeadquartered in London, England, Al Bari Consulting Group is a web design company. They offer Web Design and IT strategy consulting and were established in 2019.Read More
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2074Undisclosed250 - 999 employeesLondon, EnglandBloomreach is a Conversion Optimization company. The midsize Mountain View, California-based team focuses on Conversion Optimization and E-Commerce Development. The agency was launched in 2009.Read More
Clients
Albertsons Bosch FC Bayern München PumaIndustries
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2075$5,000+2 - 9 employeesLondon, EnglandFounded in 2021, Metaops is a cloud consulting & SI company. The small team provides cloud consulting & SI and Custom Software Development.Read More
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2076Undisclosed2 - 9 employeesEdinburgh, ScotlandSharp Coders is a cloud consulting & SI company. Established in 2023, the agency is based in Edinburgh, Scotland. Their services include cloud consulting & SI and Custom Software Development.Read More
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2077$25,000+2 - 9 employeesWitney, EnglandMoondog&Co Ltd, a Product Design company, was established in 2022. The company focuses on Product Design and CRM consulting and SI.Read More
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2078Undisclosed2 - 9 employeesCardiff, WalesHeadquartered in Cardiff, Wales, LUMA Solutions is an IT managed services company. The team provides IT managed services and Application Testing.Read More
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2079$1,000+2 - 9 employeesSurbiton, EnglandKamil Digital is a small Surbiton, England-based cloud consulting & SI company. Their services include cloud consulting & SI and Artificial Intelligence.Read More
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2080Undisclosed10 - 49 employeesLeicester, EnglandGT Analytics is a small Hyderabad, India-based web design agency. Their services include Web Design and IT strategy consulting.Read More
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2081$1,000+10 - 49 employeesHounslow, EnglandL2 Global Technologies pvt ltd. Is a CRM consulting and SI company. The Hounslow, England-based agency was launched in 2014. Their services include CRM consulting and SI and Web Development.Read More
Clients
PennarIndustries
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2082$1,000+10 - 49 employeesBrentwood, EnglandNAUTICA SOLUTINS LTD is a website development company. The Brentwood, England-based agency focuses on Web Development and IT strategy consulting.Read More
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2083$10,000+10 - 49 employeesRuislip, EnglandPi9 is an Enterprise App Modernization company located in Ruislip, England and Bartlett, Illinois. They provide Enterprise App Modernization and BI & big data consulting & SI and were founded in 2013.Read More
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2084$1,000+10 - 49 employeesLondon, EnglandSocium is a small London, England-based IT strategy consulting company. Their services include IT strategy consulting and IT managed services.Read More
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2085$25,000+10 - 49 employeesLondon, EnglandFounded in 2019, Conode.ai is a small AI company. Their team provides Artificial Intelligence and Generative AI.Read More
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2086$1,000+50 - 249 employeesBirmingham, EnglandLumo Pulse, a Digital Strategy company, was established in 2014. The team specializes in Digital Strategy and Social Media Marketing.Read More
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2087$5,000+50 - 249 employeesLondon, EnglandSpacecore is a custom software development company. The midsize Chișinău, Moldova-based team specializes in Custom Software Development and ERP consulting and SI. The agency was founded in 2017.Read More
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2088$5,000+50 - 249 employeesLondon , EnglandIDeveloperSquare is a web design company. The Waltham, Massachusetts-based agency specializes in Web Design and E-Commerce Development.Read More
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2089$10,000+10 - 49 employeesGlasgow, ScotlandPulsion is a custom software development firm. The small Glasgow, Scotland-based team offers Custom Software Development and Mobile App Development. The firm was founded in 1995.Read More
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2090$10,000+10 - 49 employeesPreston, EnglandBlue Wren is a custom software development company. They were launched in 2010 and provide Custom Software Development and IT managed services.Read More
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2091$10,000+10 - 49 employeesOld Sarum, EnglandIT strategy consulting company Blue Frontier was founded in 2005. The firm specializes in IT strategy consulting and Mobile App Development.Read More
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2092Undisclosed10 - 49 employeesEdinburgh, ScotlandIoT development company SwarmOnline Ltd provides IoT development and UX/UI Design. They were launched in 2011.Read More
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2093Undisclosed10 - 49 employeesEdinburgh, ScotlandWallet.Services, an Other Application Development company, is headquartered in Edinburgh, Scotland. They offer Other Application Development and Blockchain and were established in 2016.Read More
Industries
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2094Undisclosed50 - 249 employeesLondon, EnglandSynycs Group is a Digital Strategy company located in London, England. The team provides Digital Strategy and Search Engine Optimization.Read More
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2095Undisclosed50 - 249 employeesLondon, EnglandSoftech Systems Pvt. LTD is a SEO agency. The team provides Search Engine Optimization and cloud consulting & SI, and the firm is headquartered in London, England and McLean, Virginia.Read More
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2096Undisclosed50 - 249 employeesLondon, EnglandAbsoluteLabs, a Digital Strategy company, was founded in 2020. The team provides Digital Strategy and cloud consulting & SI.Read More
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2097$10,000+2 - 9 employeesCardiff Bay, WalesCore is a branding company. The team is in Cardiff Bay, Wales, and their services include Branding and Conversion Optimization.Read More
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2098$1,000+2 - 9 employeesUxbridge, EnglandLHB Consulting, a small Sales Outsourcing company, is located in Uxbridge, England. Their services include Sales Outsourcing and Direct Marketing.Read More
Industries
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2099$10,000+10 - 49 employeesBerlin, GermanyInnolab AI is a small artificial intelligence firm. The Columbus, Ohio-based firm was launched in 2020. Their services include Artificial Intelligence, UX/UI Design, Web Development, Mobile App Development, and more.Read More
Clients
Buddy Lee Jump RopeIndustries
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2100Undisclosed2 - 9 employeesLondon, EnglandEstablished in 2011, Million Solutions is a small London, England-based software development company. Their team provides Custom Software Development and cloud consulting & SI.Read More
Industries
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