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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991$5,000+10 - 49 employeesNottingham, EnglandDistinction is an UX design agency. Launched in 2001, the company provides UX/UI Design and Custom Software Development.Read More
Industries
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992$100,000+50 - 249 employeesLondon, EnglandMobile application development company TAB (The App Business) was founded in 2009. The company focuses on Mobile App Development and Custom Software Development.Read More
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993$10,000+2 - 9 employeesSouthport, EnglandPhaeria.com is a Southport, England-based software development firm. They offer Custom Software Development and cloud consulting & SI.Read More
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994$5,000+2 - 9 employeesMossley, EnglandProject Opal is a social media marketing agency located in Mossley, England. The team offers Social Media Marketing and Graphic Design.Read More
Industries
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995UndisclosedFreelancer employeesEnfield, EnglandFounded in 2021, Effinovate is a small software development company and Business Consulting company. Their team specializes in Custom Software Development and Business Consulting.Read More
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996$1,000+50 - 249 employeesSheffield, EnglandWeb design company SpyreSync is headquartered in Sheffield, United Kingdom. The midsize firm was founded in 2005. Their team provides web design, ux/ui design, custom software development, web development, and more.Read More
Industries
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997$10,000+10 - 49 employeesLondon, EnglandF7A is a custom software development company. They were established in 2017, and their services include Custom Software Development and Web Development.Read More
Clients
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998$25,000+1,000 - 9,999 employeesHarrow, EnglandIT strategy consulting company Changepond Technologies Private Limited was established in 2000. The agency specializes in IT strategy consulting and IT managed services.Read More
Industries
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999Undisclosed50 - 249 employeesBristol, EnglandLaunched in 2009, Witekio, a midsize user experience design agency, is in Lyon, France and Bellevue, Washington. Their services include UX/UI Design and Cybersecurity.Read More
Industries
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1000Undisclosed10 - 49 employeesEdinburgh , ScotlandCompanyNet is an Edinburgh , Scotland-based software development firm. They specialize in Custom Software Development and cloud consulting & SI and were established in 1996.Read More
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1001$1,000+10 - 49 employeesSalford, EnglandExtravision is an Email Marketing company. Founded in 2004, the team offers Email Marketing and Custom Software Development. The firm is located in Salford, England.Read More
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1002$5,000+10 - 49 employeesLondon, EnglandBig data analytics company Synapx was established in 2021. Based in London, England, the team provides BI & big data consulting & SI and Custom Software Development.Read More
Industries
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1003$1,000+10 - 49 employeesBirmingham, EnglandEstablished in 2025, Arctiq Solutions is a small Birmingham, England-based UX design agency. Their team specializes in UX/UI Design and Custom Software Development.Read More
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1004$5,000+2 - 9 employeesBournemouth, EnglandChittak Ltd, a software development company, is in Bournemouth, England. Founded in 2008, the team specializes in Custom Software Development and Web Development.Read More
Industries
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1005$25,000+2 - 9 employeesCambridge, EnglandOrthogonality is a Cambridge, England-based software development firm. They offer Custom Software Development and Web Development.Read More
Industries
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1006$1,000+2 - 9 employeesStockton-on-Tees, EnglandUser experience design agency Baslon Digital was founded in 2006. The agency specializes in UX/UI Design and Web Design, and is small.Read More
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1007$1,000+250 - 999 employeesLondon, EnglandBrightBench, a midsize cloud consulting & SI company, is located in London, England and Lahore, Pakistan. The team offers cloud consulting & SI and Custom Software Development.Read More
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1008$1,000+50 - 249 employeesLondon, EnglandKADENCE TECH, a midsize software development firm, is headquartered in London, England. The team focuses on Custom Software Development and Web Development.Read More
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1009$25,000+50 - 249 employees27 Old Gloucester Street, , EnglandCodegem is a custom software development company. They are in 27 Old Gloucester Street, , England and have a midsize team. Their services include Custom Software Development, API Development, Application Testing, Engineering, and more.Read More
Industries
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1010$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
Industries
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1011$1,000+Freelancer employeesNorthampton, EnglandLaunched in 2025, ARG Systems is a custom software development company. Based in Northampton, England, the team specializes in Custom Software Development and Web Development.Read More
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1012$10,000+Freelancer employeesBelfast, Northern IrelandServerless First is a small Belfast, Northern Ireland-based cloud consulting & SI company. Their services include cloud consulting & SI and Custom Software Development.Read More
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1013Undisclosed50 - 249 employeesRedhill, EnglandTrustVare Software is a big data analytics company headquartered in Redhill, United Kingdom. The midsize team offers BI & big data consulting & SI, cloud consulting & SI, and custom software development. The firm was launched in 2020.Read More
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1014$25,000+10 - 49 employeesGlasgow, ScotlandLaunched in 2016, Digitalnauts is a small Glasgow, Scotland-based software development company. Their services include Custom Software Development and AR/VR development.Read More
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1015$10,000+10 - 49 employeesLondon, EnglandSoftware development firm Arch is in London, England. Established in 1996, the team offers Custom Software Development and ERP consulting and SI.Read More
Industries
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1016$50,000+10 - 49 employeesLondon, EnglandEstablished in 2009, Convedo is a software development company. Their services include Custom Software Development and Artificial Intelligence.Read More
Industries
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1017$1,000+2 - 9 employeesLondon, EnglandFounded in 2026, NEPTUNE BLUE - TECHNOLOGY LTD is a mobile app development firm. The small team offers Mobile App Development and Custom Software Development.Read More
Industries
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1018$1,000+Freelancer employeesSeaford, EnglandHotCustard, an e-commerce development firm, was established in 2016. The small team focuses on E-Commerce Development and Custom Software Development.Read More
Industries
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1019Undisclosed50 - 249 employeesLondon , EnglandPenguin Commercial Limited, a Corporate Travel Management company, is located in London , England. The team focuses on Corporate Travel Management and IT managed services.Read More
Industries
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1020$10,000+2 - 9 employeesLeeds, EnglandClick Agency is a small mobile app development company headquartered in Leeds, England. The team focuses on Mobile App Development and E-Commerce 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
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- 12 9 new reviews
- 13 9 new reviews
- 14 8 new reviews
- 15 8 new reviews
