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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991Undisclosed10 - 49 employeesLeeds, EnglandCertFlow LTD is a custom software development firm. The firm is in Leeds, England. Their services include Custom Software Development and Mobile App Development.Read More
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992Undisclosed250 - 999 employeesLondon, EnglandServiceRocket is an IT managed services company founded in 2001. The midsize team provides IT managed services and IT strategy consulting.Read More
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993Undisclosed50 - 249 employeesAldington, EnglandPageSuite is a midsize Aldington, England-based mobile app development firm. Their services include Mobile App Development and Custom Software Development.Read More
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994$10,000+10 - 49 employeesLondon, EnglandDepartment of Product, an AI firm, specialize in Artificial Intelligence and Custom Software Development. They were established in 2020.Read More
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995$5,000+10 - 49 employeesBelfast, Northern IrelandENGEN, a web design company, was founded in 2018. The team offers Web Design and Web Development.Read More
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996$10,000+2 - 9 employeesSouth Cave, EnglandLaunched in 2021, Tweave.Tech is a small custom software development company. Their services include Custom Software Development and Business Consulting.Read More
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997Undisclosed2 - 9 employeesMildenhall, EnglandEMARKSS Ltd, a software development firm, was established in 2025. The team offers Custom Software Development and AI Agents and is headquartered in Mildenhall, England.Read More
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998$10,000+10 - 49 employeesLondon, EnglandEstablished in 2004, Liquid Bubble, a small custom software development firm, is located in London, England and Nairobi, Kenya. Their services include Custom Software Development and Web Development.Read More
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999$1,000+Freelancer employeesRingwood, EnglandCustom software development company Comsci Ltd. Was launched in 1990. The small team focuses on Custom Software Development and Mobile App Development.Read More
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1000$5,000+10 - 49 employeesLondon, EnglandIn London, England and Manila, England, EscalateAI Ltd is an artificial intelligence company. The team provides Artificial Intelligence and Custom Software Development.Read More
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1001$5,000+2 - 9 employeesLondon, EnglandCustom software development company OnlyExcel provides Custom Software Development and Web Development. They are in London, England.Read More
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1002$5,000+10 - 49 employeesEdinburgh, ScotlandTAISK LABS is a Generative AI company. The London, England-based team specializes in Generative AI and Artificial Intelligence.Read More
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Interactive-TutorIndustries
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1003$1,000+Freelancer employeesMorganstown, WalesBased in Morganstown, Wales, Studio 72 is a web design agency. They specialize in Web Design and Web Development.Read More
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1004$10,000+2 - 9 employeesClitheroe, EnglandNectra Technologies Ltd is a software development firm. The Clitheroe, England-based firm provides Custom Software Development and AI Consulting.Read More
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1005$1,000+2 - 9 employeesPontprennau, WalesBased in Pontprennau, Wales, Code2Box is a software development firm. The team specializes in Custom Software Development and Web Development.Read More
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1006$10,000+10 - 49 employeesLondon, EnglandUnboxed is a software development company founded in 2005. Their services include Custom Software Development and UX/UI Design.Read More
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1007$25,000+10 - 49 employeesMartlesham, EnglandRead More
Coderus is a software and mobile app development company based in Martlesham Heath, U.K., with offices in Cambridge and Norwich, U.K. The company, founded in 1998, has a team of more than 30 that provides mobile app development, IoT development, UX/UI design, product design, IT strategy consulting, wearable app development, and application testing services. Coderus serves small and larger-sized companies in various industries that include consumer products & services.
Clients
America's Cup EOCharging Bosch Bowers & WilkinsIndustries
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1008$10,000+50 - 249 employeesLondon, EnglandInvenics is a software development firm launched in 2017. Located in London, England and Ernakulam, India, the team provides Custom Software Development and Web Development.Read More
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1009Undisclosed50 - 249 employeesLondon, EnglandSquirro is a midsize Generative AI company. Founded in 2012, the team offers Generative AI and BI & big data consulting & SI.Read More
Clients
Bank of England OCBC Bank Standard Chartered CandriamIndustries
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1010$1,000+2 - 9 employeesRainham, EnglandSME Lighthouse is a software development company launched in 2023. The team provides Custom Software Development and Web Development.Read More
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1011$1,000+2 - 9 employeesPenryn, EnglandBytez3 is a software development firm launched in 2023. The team offers Custom Software Development and Artificial Intelligence.Read More
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1012$5,000+2 - 9 employeesLondon, EnglandSrivea Ltd is a London, England-based software development company. They focus on Custom Software Development and Web Development.Read More
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1013$5,000+2 - 9 employeesWest Drayton, EnglandAadhix Digital Limited is a software development company. Their team is located in West Drayton, England and offers Custom Software Development and API Development.Read More
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1014$1,000+50 - 249 employeesLONDON, EnglandFounded in 1998, KMK Soft Solutions is a SEO services firm. Their team provides Search Engine Optimization and Web Design.Read More
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Seal VIP Travel ServicesIndustries
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1015$250,000+10 - 49 employeesWembley, EnglandFounded in 2012, Aliza Solutions LTD is a custom software development firm. The team focuses on Custom Software Development and API Development.Read More
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1016$5,000+50 - 249 employeesSheffield, EnglandNimble Approach is a midsize Digital Engineering company located in Sheffield, England and Leeds, England. Their services include Digital Engineering and Custom Software Development.Read More
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1017Undisclosed250 - 999 employeesLondon, EnglandFounded in 1986, Online Business Systems is a Cybersecurity company. The team specializes in Cybersecurity and IT strategy consulting.Read More
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1018$10,000+10 - 49 employeesWhiteley, EnglandRead More
Chimpare is a small application development firm. In Whiteley, United Kingdom; New York, New York and Markham, Canada, the firm was launched in 2012. Their services include mobile app development, web development, e-commerce development, ux/ui design, and more.
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1019$10,000+10 - 49 employeesLondon, EnglandFounded in 2009, Alliants is a software development company. The company focuses on Custom Software Development and E-Commerce Development, and is small.Read More
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1020Undisclosed10 - 49 employeesBirmingham, EnglandByteSnap Design is a custom software development company. The company is in Birmingham, England. Their team focuses on Custom Software Development and IoT development.Read More
Industries
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Check out a Software Developers in United Kingdom with the most new reviews in the past 12 months.
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