Top 100 Software Development Companies in the United Kingdom
The Best of July 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.
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List of the Best United Kingdom Software Developers
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31$10,000+250 - 999 employeesLondon, EnglandSENLA is a midsize software development company. Located in Warszawa, Poland; London, England and Zagreb, Croatia, the agency was established in 2012. Their team focuses on Custom Software Development, Web Development, Mobile App Development, Blockchain, and more.Read More
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Abbott BOSCH KPMG Western UnionIndustries
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32$25,000+50 - 249 employeesLondon, EnglandRead More
Located in London, England; Sydney, Australia and Sunny Isles Beach, Florida, Magora is a software development company. The midsize team specializes in Custom Software Development, Mobile App Development, Web Development, Artificial Intelligence, and more. The agency was launched in 2010.
Clients
DanoneIndustries
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33$100,000+1,000 - 9,999 employeesLondon, EnglandN-iX is a business intelligence company. The large North Miami Beach, Florida-based team offers BI & big data consulting & SI, Artificial Intelligence, Custom Software Development, cloud consulting & SI, and more. The agency was founded in 2002.Read More
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Bosch Siemens eBay Total EnergiesIndustries
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34$50,000+1,000 - 9,999 employeesLondon, EnglandVention is an IT staff augmentation company. Their large team is in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The company focuses on IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more. The company was launched in 2002.Read More
Clients
IBM PayPal pwc IC MarketsIndustries
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35$5,000+250 - 999 employeesManchester, EnglandRead More
Infograins Software Solutions is a midsize Blockchain company launched in 2011. Their team offers Blockchain, Artificial Intelligence, Custom Software Development, Mobile App Development, and more. The firm is headquartered in New York, New York; Indore, India; London, England and Barangaroo, Australia.
Industries
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36$10,000+250 - 999 employeesLondon, EnglandRead More
Founded in 2015, Transparity is a cloud consulting & SI company. The midsize London, England-based team offers cloud consulting & SI, IT managed services, Custom Software Development, Artificial Intelligence, and more.
Clients
Apex NSPCC NHS LushIndustries
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37$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
Clients
Riot Games Mythical Society Hearst International Tennis FederationIndustries
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38$25,000+250 - 999 employeesLondon, EnglandAltkom Software is a Warszawa, Poland-based custom software development firm. They specialize in Custom Software Development, Mobile App Development, Enterprise App Modernization, and cloud consulting & SI and were launched in 2000.Read More
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BNP ParibasIndustries
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39$10,000+50 - 249 employeesLondon, EnglandInfluential Software is a London, England-based software development firm. The midsize team focuses on Custom Software Development, Web Development, BI & big data consulting & SI, IT managed services, and more and was founded in 1993.Read More
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DeloitteIndustries
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40$50,000+10 - 49 employeesEdinburgh, ScotlandZudu, a software development firm, was founded in 2014. They are headquartered in Edinburgh, Scotland and have a small team. Their services include Custom Software Development, Artificial Intelligence, Mobile App Development, and Digital Strategy.Read More
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NHSIndustries
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41$100,000+1,000 - 9,999 employeesLondon , EnglandSoftware development firm DataArt is located in New York, New York; Zug, Switzerland; London , England and München, Germany. Established in 1997, the large team provides Custom Software Development, IoT development, Artificial Intelligence, BI & big data consulting & SI, and more.Read More
Clients
Ocado Technology Metro Markets Nasdaq InvescoIndustries
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42$10,000+50 - 249 employeesLondon, EnglandBased in Sofia, Bulgaria and London, England, BGO Software - The Digital Health Lab is a custom software development firm. The midsize company was founded in 2008. Their services include Custom Software Development, IT strategy consulting, IT managed services, Mobile App Development, and more.Read More
Clients
NHS UK - Department of Health, Roche, LabCorp, IQVIA, Curaden, Ampersand Health, BodySpec and many other HealthTech companies.Industries
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43$1,000+1,000 - 9,999 employeesLondon, EnglandAI Consulting company Dotsquares is based in London, England; Mount Waverley, Australia; Albourne, England and Jaipur, India. The large team provides AI Consulting, Web Development, Mobile App Development, E-Commerce Development, and more. The firm was established in 2002.Read More
Clients
EricssonIndustries
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44$10,000+1,000 - 9,999 employeesLondon, EnglandDevsinc is a San Jose, California-based web development firm. The large team focuses on Web Development, Mobile App Development, AR/VR development, Custom Software Development, and more. The company was founded in 2009.Read More
Clients
Xiaomi Levis Al-Jouf (JADCO) Al Rajhi Bank (Saudia Arabia)Industries
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45$10,000+50 - 249 employeesManchester, EnglandAI company Digica is based in Manchester, England; Łódź, Poland; San Jose, California and Berlin, Germany. Established in 2009, the midsize team focuses on Artificial Intelligence, Custom Software Development, and AI Consulting.Read More
Clients
LEGOIndustries
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46$50,000+50 - 249 employeesLondon, EnglandSoftware development firm Supercharge was established in 2010. They are headquartered in London, England; London, England; Amsterdam, Netherlands and Wien, Austria and have a midsize team. Their services include Custom Software Development, Mobile App Development, AI Agents, Digital Strategy, and more.Read More
Industries
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47$10,000+250 - 999 employeesLondon, EnglandInstinctools is a midsize software development company established in 2000. Their team provides Custom Software Development, Artificial Intelligence, BI & big data consulting & SI, Mobile App Development, and more. The company is headquartered in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware.Read More
Clients
Daimler Fujitsu Nostrum SpexAIIndustries
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48$250,000+1,000 - 9,999 employeesBelfast, Northern IrelandLaunched in 2009, unosquare, LLC is a custom software development firm. The agency specializes in Custom Software Development, IT staff augmentation, Digital Engineering, UX/UI Design, and more and has a large team. The agency is in Portland, Oregon; Guadalajara, Mexico and Belfast, Northern Ireland.Read More
Clients
Axos Financial, Green Dot Bank, GTreasury, G2 Risk Solutions and Blue Owl Private Equity Stitch Fix and IDX Harvard and McGraw Hill Athena Health and Foundation MedicineIndustries
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49$50,000+50 - 249 employeesLondon, EnglandSigli, an IT strategy consulting company, is located in Antwerpen, Belgium; Vilnius, Lithuania; London, England and Amsterdam, Netherlands. The midsize agency was founded in 2015. Their services include IT strategy consulting, Custom Software Development, Low/No Code Development, IT staff augmentation, and more.Read More
Clients
Sensotec NVIndustries
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50$10,000+50 - 249 employeesLondon, EnglandFounded in 2020, Old.St Labs is an AI company. The midsize team provides Artificial Intelligence, Custom Software Development, Web Development, and Mobile App Development. The firm is based in London, England.Read More
Clients
Mariana UFP The Military App Allegr East CareIndustries
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51$10,000+10 - 49 employeesLondon, EnglandEstablished in 2019, FocusReactive is a small website development firm based in Amsterdam, Netherlands; London, England; Warszawa, Poland and New York, New York. Their services include Web Development, Custom Software Development, E-Commerce Development, and Web Design.Read More
Clients
EasyPark Arrive RealThreadIndustries
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52$50,000+50 - 249 employeesEdinburgh, ScotlandLocated in Dnipro, Ukraine and Edinburgh, Scotland, Clockwise Software is a midsize software development firm. They specialize in Custom Software Development, Artificial Intelligence, and IT managed services and were founded in 2014.Read More
Clients
Johnson & JohnsonIndustries
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53$5,000+10 - 49 employeesLondon, EnglandRead More
Based in London, United Kingdom, Goodspeed is a website development firm. The small firm was founded in 2022. Their services include web development, custom software development, and mobile app development.
Industries
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54$10,000+10 - 49 employeesBromley, EnglandGoodface agency is a custom software development firm. The small Bromley, England-based firm was launched in 2016. Their services include Custom Software Development, UX/UI Design, Artificial Intelligence, Web Design, and more.Read More
Clients
Magnetiq Bank 365 Games Corefy KARL STORTZIndustries
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55$10,000+10 - 49 employeesLondon, EnglandFormat-3 is a small user experience agency launched in 2023. Their services include UX/UI Design, Custom Software Development, Digital Strategy, and Web Development. The company is based in London, England and Nashville, Tennessee.Read More
Clients
Natural History Museum Alpiq Scottish Power Majid al FuttaimIndustries
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56$50,000+50 - 249 employeesLondon, EnglandLaunched in 2007, Intellectsoft is a software development firm. The company specializes in Custom Software Development, Artificial Intelligence, Mobile App Development, IT staff augmentation, and more and has a midsize team.Read More
Industries
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57$25,000+1,000 - 9,999 employeesSt Albans, EnglandFCamara is an user experience agency. Their large team is in São Paulo, Brazil; Leiria, Portugal; St Albans, England and Dubai, United Arab Emirates. Their services include UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more. The firm was founded in 2006.Read More
Clients
Farfetch IPSOS Elfa Group BTG PactualIndustries
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58$5,000+50 - 249 employeesLONDON, EnglandRead More
ZOONDIA is a software development company based in Kazhakkoottam, India; Kozhikode, India; Dubai, United Arab Emirates and Miami, Florida. Established in 2008, the midsize team provides Custom Software Development, Web Development, Mobile App Development, IoT development, and more.
Industries
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59$25,000+50 - 249 employeesLondon, EnglandSynergy Labs is an app development firm. Their midsize team is in Hollywood, Florida; Miami, Florida; New York, New York and Dubai, United Arab Emirates and provides Mobile App Development, Custom Software Development, Artificial Intelligence, Generative AI, and more. The firm was launched in 2020.Read More
Industries
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60$10,000+50 - 249 employeesLondon, EnglandHalo Lab is a midsize branding agency headquartered in Dubai, United Arab Emirates; New York, New York; 08, Andorra and Odesa, Ukraine. They offer Branding, Web Design, UX/UI Design, Graphic Design, and more and were established in 2013.Read More
Clients
Auth0Industries
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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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