Top 100 Software Development Companies in the United Kingdom
The Best of October 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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1471$1,000+10 - 49 employeesDerby, EnglandBusiness Advisors is a small software development firm. Launched in 2024, the team provides Custom Software Development and Web Development.Read More
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1472$1,000+10 - 49 employeesIsleworth, EnglandOptimiserz is a call center. Launched in 2017, the firm is headquartered in Isleworth, England and Lahore, Pakistan. Their team focuses on Call Center Services and Search Engine Optimization.Read More
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1473$1,000+10 - 49 employeesNottingham, EnglandGainkode is a CRM consulting and SI company. The team specializes in CRM consulting and SI and Custom Software Development, and the company is based in Nottingham, England.Read More
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1474$1,000+10 - 49 employeesHounslow, EnglandBritnex Solution Ltd is a SEO company founded in 2021. The small team specializes in Search Engine Optimization and UX/UI Design.Read More
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1475$1,000+10 - 49 employeesLondon, EnglandMiracify is a small Pune, India-based custom software development firm. They focus on Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more and were established in 2023.Read More
Industries
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1476Undisclosed10 - 49 employeesHarrow, EnglandAzentra Technologies, a social media marketing firm, is located in Harrow, England. Launched in 2025, the team focuses on Social Media Marketing and Search Engine Optimization.Read More
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1477$1,000+10 - 49 employeesCroydon, EnglandAgile Mindware, an AI company, is based in Croydon, England. The team focuses on Artificial Intelligence and Custom Software Development.Read More
Industries
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1478$1,000+10 - 49 employeesLondon, EnglandSEO services firm Cyberonics Limited is located in London, England. Established in 2025, the team specializes in Search Engine Optimization and cloud consulting & SI.Read More
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1479$1,000+10 - 49 employeesLondon, EnglandFounded in 2024, BYTEOPS LTD is an IT strategy consulting company. Their services include IT strategy consulting and Cybersecurity.Read More
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1480$1,000+10 - 49 employeesGlasgow, ScotlandHeadquartered in Glasgow, Scotland, Digigur is a branding company. They provide Branding and Social Media Marketing.Read More
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1481$1,000+10 - 49 employeesLondon, EnglandLocated in London, England, Studio Slub is a small branding agency. Their services include Branding and Web Design.Read More
Industries
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1482$1,000+10 - 49 employeesThornton Heath, EnglandEComVitals is a SEO services firm. The team provides Search Engine Optimization and Web Design and is in Thornton Heath, England.Read More
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1483$5,000+10 - 49 employeesMobberley, EnglandHollinford Technologies, an Enterprise App Modernization company, was launched in 2026. The team offers Enterprise App Modernization and Artificial Intelligence.Read More
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1484$1,000+10 - 49 employeesBirmingham, EnglandBased in Birmingham, England, Zyncsol is a custom software development company. They focus on Custom Software Development and Web Development and were established in 2022.Read More
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1485$1,000+10 - 49 employeesLondon, EnglandQuantel Solutions is a software development firm. In London, England, the firm was launched in 2021. Their services include Custom Software Development and Search Engine Optimization.Read More
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1486$1,000+10 - 49 employeesLondon, EnglandInvolvec Solutions Ltd is a web development firm launched in 2026. The team specializes in Web Development and Custom Software Development and is located in London, England.Read More
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1487UndisclosedFreelancer employeesEdinburgh, ScotlandSteff Potter is a website development company located in Edinburgh, Scotland. They focus on Web Development and Custom Software Development and were founded in 2020.Read More
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1488$50,000+10 - 49 employeesCity of London, EnglandSystems iO Ltd is a small Low/No Code Development company. They focus on Low/No Code Development and Robotics Process Automation and were established in 2019.Read More
Industries
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1489$25,000+10 - 49 employeesLondon, EnglandInflow Systems is an ERP consulting and SI company. They are located in London, England and have small team of experts. Their services include ERP consulting and SI and Custom Software Development.Read More
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1490$5,000+10 - 49 employeesEssex, EnglandSphiria Digital Studio is a web design agency launched in 2019. The team focuses on Web Design and Custom Software Development.Read More
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1491$1,000+10 - 49 employeesSouthampton, EnglandDream Designs Agency, a custom software development company, was established in 2011. The small team specializes in Custom Software Development and Web Design.Read More
Industries
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1492$1,000+Freelancer employeesManchester, EnglandLaunched in 2009, Inconnect Systems Ltd is an IT managed services company. The team focuses on IT managed services and Custom Software Development.Read More
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1493UndisclosedFreelancer employeesSaint Mary's Bay, EnglandCustom software development firm Conor Dunk is headquartered in Saint Mary's Bay, England. Established in 2025, the team focuses on Custom Software Development and Web Development.Read More
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1494$10,000+50 - 249 employeesWakefield , EnglandDP Publicity Ltd is an Advertising company established in 1988. The midsize team specializes in Advertising and Direct Marketing.Read More
Industries
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1495$1,000+Freelancer employeesBournemouth, EnglandDan Temple, Freelance Web Development is a website development firm. Located in Bournemouth, England, the firm was launched in 2010. Their team offers Web Development and Custom Software Development.Read More
Industries
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1496$1,000+50 - 249 employeesMilton Keynes, EnglandUXLI, a data analytics company, is based in Milton Keynes, England and Madhapur, India. Established in 2015, the team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
Industries
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1497$50,000+50 - 249 employeesLondon, EnglandMicro Biz is a midsize Digital Strategy company. They specialize in Digital Strategy and Mobile & App Marketing and were launched in 2010.Read More
Industries
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1498$25,000+50 - 249 employeesLondon, EnglandWeb development firm Hartley Lab is based in Pune, India and Singapore, Singapore. Established in 2011, the team focuses on Web Development and Custom Software Development.Read More
Industries
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1499Undisclosed50 - 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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1500$10,000+50 - 249 employeesWinnersh, EnglandLaunched in 2018, NJC Labs is an AI Agents company. The company focuses on AI Agents and Artificial Intelligence, and is midsize.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
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- 12 10 new reviews
- 13 9 new reviews
- 14 7 new reviews
- 15 7 new reviews
