Top 100 Software Development Companies in Southampton
The Best of December 2025Looking for a top software developer in Southampton?
As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence.
To assist you in your search for a partner, we’ve compiled this list of the top software development companies in Southampton. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Southampton Software Developers
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151$5,000+10 - 49 employeesStanwell, EnglandQuirinus Solutions Ltd is a software development company. Located in Stanwell, England, the firm was launched in 2017. Their team provides Custom Software Development and E-Commerce Development.Read More
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152Undisclosed10 - 49 employeesSlough, EnglandCustom software development firm TBMS Taxi and Chauffeurs Dispatch System offers Custom Software Development and IT managed services. They are based in High Wycombe, England and Slough, England.Read More
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153$25,000+10 - 49 employeesBristol, EnglandSmall web design company and web development firm Plume, is located in Bristol, United Kingdom. Their services include web design and web development.Read More
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GoogleIndustries
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154$50,000+250 - 999 employeesLjubljana, SloveniaInfinum, a custom software development company, was founded in 2005. The firm offers Custom Software Development, Mobile App Development, UX/UI Design, Web Development, and more and has a midsize team. The firm is in New York, New York; San Francisco, California; Zagreb, Croatia and Ljubljana, Slovenia.Read More
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PhilipsIndustries
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155$5,000+10 - 49 employeesBristol, EnglandRead More
Deazy is a small application development company. The Cardiff, United Kingdom-based agency was founded in 2016. Their services include mobile app development, custom software development, web development, ux/ui design, and more.
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RACIndustries
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156$1,000+10 - 49 employeesCrawley, EnglandUnion Designers is a website development company launched in 2014. The team provides Web Development and Web Design and is in Crawley, England.Read More
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157$25,000+2 - 9 employeesBristol, EnglandUnfold, a custom software development company, was founded in 2018. In Bristol, England, their small team focuses on Custom Software Development, Web Development, UX/UI Design, Web Design, and more.Read More
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158$10,000+2 - 9 employeesCrawley, EnglandRead More
Founded in 2018, Cygnet Digital is an e-commerce development company. The agency focuses on e-commerce development, web development, custom software development, mobile app development, and more and has a small team.
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SightsaversIndustries
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159Undisclosed50 - 249 employeesL'viv, UkraineRead More
Devico is an IT outsourcing company specialising in fast-fill team augmentation. Founded in 2011, they have a wide talent pool that stretches across Ukraine, Poland, Slovakia, Hungary, Georgia and the UK. Services include custom software development, mobile app development, and web development.
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Abbott, Castrol, Soapbox, BP, Compass, Descript, Tipalti, Mimecast, XOLA, Mint, Arklign, Datasport, OpenRad, Vitus, GoodShape, CYDEF, Visbion, MoneygateIndustries
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160$10,000+50 - 249 employeesLondon, EnglandRead More
SovTech is a custom software development company based in Johannesburg with offices in London and Nairobi. Founded in 2012, they work with enterprise and midmarket businesses with a focus on clients in the financial services industry.
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DiscoveryIndustries
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161$50,000+10 - 49 employeesSarratt, EnglandCustom software development firm Clock Limited was established in 1997. The agency offers Custom Software Development, Mobile App Development, UX/UI Design, and Web Development and has a small team. The agency is headquartered in Sarratt, England and London, England.Read More
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Riot Games Mythical Society Hearst International Tennis FederationIndustries
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162$10,000+10 - 49 employeesBristol, EnglandHiyield is a web design company. They are located in London, England; Truro, England and Bristol, England and have a small team. Their services include Web Design, UX/UI Design, Custom Software Development, Web Development, and more. The agency was established in 2018.Read More
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163$10,000+2 - 9 employeesBristol, EnglandApplication development firm Blue Sparrow was launched in 2015. The company offers Mobile App Development, Custom Software Development, Artificial Intelligence, and AR/VR development and has a small team. The company is in Bristol, England.Read More
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164$25,000+2 - 9 employeesBrighton and Hove, EnglandUnusual Technologies is an AR/VR development company. Established in 2018, the team specializes in AR/VR development and UX/UI Design. The company is located in Brighton and Hove, England.Read More
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165$100,000+50 - 249 employeesSlough, EnglandIntagleo Systems is a midsize Slough, United Kingdom-based custom software development firm. Founded in 2004, the team focuses on custom software development, IT staff augmentation, mobile app development, web development, and more.Read More
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166$1,000+10 - 49 employeesBurnham, EnglandCreative Computing Solutions is an ERP consulting and SI company. They were established in 1990, and their services include ERP consulting and SI and Application Management & Support.Read More
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167$10,000+10 - 49 employeesLeatherhead, EnglandMonochrome, a software development firm, is headquartered in Leatherhead, England. They provide Custom Software Development and Web Design and were launched in 1999.Read More
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168$1,000+10 - 49 employeesLondon, EnglandWebtech is a custom software development firm. They specialize in Custom Software Development, Web Development, UX/UI Design, ERP consulting and SI, and more and were founded in 2021. Their small team is in London, England.Read More
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169Undisclosed2 - 9 employeesWindsor, EnglandMerto Software Solutions, a small custom software development firm, is located in Windsor, England. Their services include Custom Software Development and Web Development.Read More
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170$25,000+10 - 49 employeesOxford, EnglandWhite October, a software development company, is located in Oxford, England and London, England. They offer Custom Software Development and UX/UI Design and were founded in 2003.Read More
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171$10,000+2 - 9 employeesSutton, EnglandRead More
Founded in 2016, Intuitech Technology Ltd is a development company based in Sutton, U.K. Their small team primarily works with enterprise clients in the IT field. They provide custom software, web, and mobile app development, in addition to application testing.
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ArgosIndustries
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172$100,000+1,000 - 9,999 employeesLisboa, PortugalRead More
CI&T (formerly CINQ Technologies) is software development company based in Curitiba, Brazil with additional offices in Brazil and Miami. Founded in 1992, the team of 271 specializes in custom software development, IT staff augmentation, and UX/UI design. They work primarily with enterprise clients in the transportation and financial services industries.
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SITAIndustries
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173$50,000+1,000 - 9,999 employeesLondon, EnglandCustom software development firm Kellton is in Reston, Virginia; PERYDOT, Poland; Gurugram, India and Plano, Texas. The large agency was launched in 2009. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, BI & big data consulting & SI, and more.Read More
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174$10,000+50 - 249 employeesLondon, EnglandRead More
Founded in 2010, PioGroup Software is a development company based in Kharkiv, Ukraine. They have a small team of fewer than 50 people, and they primarily work with small businesses.
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Moving PipeIndustries
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175$25,000+50 - 249 employeesAlexandria, VAPlavno, an app development firm, was established in 2007. The midsize team offers Mobile App Development, Artificial Intelligence, Custom Software Development, Web Development, and more. The company is headquartered in Alexandria, Virginia; Berlin, Germany; Calgary, Canada and London, England.Read More
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Mercedes, Xerox, Kia, eBay, PayPal, Amazon , IBM, Bank, MediacubeIndustries
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176$1,000+10 - 49 employeesLondon, EnglandWhite Label Solutions is a London, England-based software development company. Established in 2013, the small team specializes in Custom Software Development, Web Development, UX/UI Design, Mobile App Development, and more.Read More
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177Undisclosed50 - 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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178$25,000+50 - 249 employeesRickmansworth, EnglandRead More
Website development company Light IT Global was established in 2006. The midsize Rickmansworth, England-based team focuses on Web Development, Custom Software Development, Mobile App Development, Artificial Intelligence, and more.
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PfizerIndustries
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179$25,000+50 - 249 employeesLondon, EnglandDevGrid is a software development firm founded in 2015. Their midsize team is headquartered in London, United Kingdom and Caxias do Sul, Brazil and focuses on custom software development, IoT development, mobile app development, IT staff augmentation, and more.Read More
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Voltaware Services LimitedIndustries
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180$10,000+50 - 249 employeesLondon, EnglandLimeup is a London, England-based custom software development firm. Launched in 2019, the midsize team offers Custom Software Development, Mobile App Development, and Web Design.Read More
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Connect44Industries
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