Top 100 Software Development Companies in the United Kingdom
The Best of September 2026
Software development is essential in the modern world and continues to expand. All companies require an online presence, and establishing an attractive space on the internet is the initial move to remain competitive. A partner that guarantees seamless operation of background systems, contributing effectively to a brand's success, holds significance—strong development results in more opportunities and an increased likelihood of success.
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 software 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 Software Developers
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a software development firm. They specialize in Custom Software Development, UX/UI Design, Mobile App Development, Web Design, and more and were established in 2001. Their small team is in Medina, Washington.Read More
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1831Undisclosed2 - 9 employeesLondon, EnglandSmall branding agency Techknock, is in London, England. Their services include Branding and Digital Strategy.Read More
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1832$1,000+2 - 9 employeesKent, EnglandOonaimedia, a web development firm, was founded in 2021. The small team specializes in Web Development and Digital Strategy.Read More
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1833$5,000+2 - 9 employeesLondon, EnglandInWings LTD is a small London, England-based Blockchain company. Their services include Blockchain and Custom Software Development.Read More
Industries
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1834$25,000+2 - 9 employeesRuislip, EnglandMachiNx Ltd is a small IT strategy consulting company. They offer IT strategy consulting and BI & big data consulting & SI and were established in 2023.Read More
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1835$5,000+2 - 9 employeesGrangemouth, ScotlandBingo Agency is a branding agency established in 2023. In Grangemouth, Scotland and Ilford, England, the team specializes in Branding and Web Design.Read More
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1836$1,000+2 - 9 employeesPerth, ScotlandAdvertising company Slater Marketing was launched in 2023. The company offers Advertising and Digital Strategy, and is small.Read More
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1837$1,000+2 - 9 employeesLondon, EnglandIn London, England, Qlikio is a SEO agency. Launched in 2023, the team focuses on Search Engine Optimization and Web Design.Read More
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1838Undisclosed2 - 9 employeesLondon, EnglandBritmarksolutions is a SEO agency. The London, England-based team focuses on Search Engine Optimization and Custom Software Development.Read More
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1839$5,000+2 - 9 employeesSheffield, EnglandPrimescale Technologies Limited is a small cloud consulting & SI company launched in 2017. Their team offers cloud consulting & SI and Web Development.Read More
Industries
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1840$5,000+2 - 9 employeesStoke Gifford, EnglandTech and Boujee Limited is a Digital Strategy company. Located in Stoke Gifford, England, their team offers Digital Strategy and Marketing Strategy.Read More
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1841$1,000+2 - 9 employeesLondon, EnglandFounded in 2011, CodeZK is a web development firm. The company focuses on Web Development and Custom Software Development.Read More
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1842Undisclosed2 - 9 employeesLondon, EnglandDXcel is a Digital Strategy company. Their team is headquartered in London, England and offers Digital Strategy and Conversion Optimization.Read More
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1843$5,000+2 - 9 employeesLondon, EnglandNeam, an IT strategy consulting company, is in London, England. They specialize in IT strategy consulting and Custom Software Development and were launched in 2022.Read More
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1844$5,000+2 - 9 employeesLondon, EnglandLaunched in 2023, Algorise LTD is an IT strategy consulting company. The firm offers IT strategy consulting and Custom Software Development.Read More
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1845$1,000+2 - 9 employeesRochdale , EnglandINFO BPO is a custom software development firm. Based in Rochdale , England, the agency was launched in 2024. Their services include Custom Software Development and Web Development.Read More
Industries
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1846Undisclosed2 - 9 employeesLondon, EnglandFounded in 2024, Peonixis is a social media marketing agency. The small team focuses on Social Media Marketing and Content Marketing.Read More
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1847$5,000+2 - 9 employeesLondon, EnglandGrespi Technology is a website development company. Headquartered in London, England, the agency provides Web Development and IoT development.Read More
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1848$1,000+2 - 9 employeesBlackpool, EnglandClefsi ltd is an artificial intelligence development company founded in 2019. The team focuses on Artificial Intelligence and Blockchain and is based in Blackpool, England.Read More
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1849Undisclosed2 - 9 employeesBury, EnglandAXEL.TRADE is a web design company. Founded in 2019, the agency is in Bury, England. Their services include Web Design and Web Development.Read More
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1850$1,000+2 - 9 employeesLondon, EnglandDiynotic is a small AI development company founded in 2025. Their services include Artificial Intelligence and AI Agents.Read More
Industries
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1851Undisclosed2 - 9 employeesLeeds, EnglandSCALE IT UK LTD is a web design agency. Their team is located in Leeds, England and offers Web Design and Social Media Marketing.Read More
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1852$5,000+2 - 9 employeesLondon, EnglandSEO services firm Core Stackr was founded in 2025. The agency provides Search Engine Optimization and Market Research.Read More
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1853$5,000+2 - 9 employeesLondon, EnglandLewis Digital is a Demand Generation Marketing company. They are headquartered in London, England, and their services include Demand Generation Marketing and Web Development.Read More
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1854$5,000+2 - 9 employeesHigh Wycombe, EnglandPuzzle Metrics Limited is an AI firm. The High Wycombe, England-based agency was launched in 2025. Their services include Artificial Intelligence and Generative AI.Read More
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1855$1,000+2 - 9 employeesLondon, EnglandLaunched in 2025, Softintellix is an IT managed services company. The small team provides IT managed services and Custom Software Development.Read More
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1856$1,000+2 - 9 employeesLeyland, EnglandAdvica AI Solutions UK is a small Leyland, England-based software development company. The team specializes in Custom Software Development and Mobile App Development.Read More
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1857$1,000+2 - 9 employeesWymondham, EnglandMoonboots Consultancy UK Ltd is an artificial intelligence company. The small Wymondham, England-based team focuses on Artificial Intelligence and AI Consulting. The agency was established in 2024.Read More
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1858$1,000+2 - 9 employeesCroydon, EnglandGrowwTech is an AI Agents company established in 2026. The firm focuses on AI Agents and Advertising.Read More
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1859$10,000+2 - 9 employeesIlford, EnglandSmall software development company Kenyro LTD, is in Ilford, England. The team provides Custom Software Development and Web Development.Read More
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1860$1,000+2 - 9 employeesLondon, EnglandThePoint is an API Development company. They are in London, England. Their team provides API Development and Low/No Code Development.Read More
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Check out a Software Developers in United Kingdom with the most new reviews in the past 12 months.
Most Reviewed
Software Developers
United Kingdom
- 11 11 new reviews
- 12 9 new reviews
- 13 9 new reviews
- 14 8 new reviews
- 15 8 new reviews
