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
-
$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures, a custom software development company, is in Irvine, California. Established in 2017, the small team offers Custom Software Development, Mobile App Development, UX/UI Design, Web Development, and more.Read More
Industries
-
1$50,000+1,000 - 9,999 employeesLondon, EnglandVention is an artificial intelligence firm. Founded in 2002, the company is based in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The large team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more.Read More
Clients
IBM PayPal pwc IC MarketsIndustries
-
2$10,000+250 - 999 employeesLondon, EnglandEmpat is a midsize app development company established in 2013. Their team offers Mobile App Development, Custom Software Development, Artificial Intelligence, and Web Development. The firm is in San Francisco, California; Kyiv, Ukraine; London, England and Miami, Florida.Read More
Clients
Obimy — A mobile app connecting loved ones across distances with over 10 million downloads on iOS and Android. Enables seamless communication and emotional connection. Mobile app development and social networking focus. Bigsister — Custom AI software designed for sales performance tracking and analysis, providing clean, accurate data to optimize sales teams and improve efficiency with advanced analytics. Trigga — A fintech project featuring payment systems and a comprehensive analytical database to support secure transactions and financial insights for smarter decision-making. DentalCare — Healthcare ecosystem with mobile app, web development, and CRM tools for managing patient records, tracking appointments, and sending automated reminders to improve patient care.Industries
-
3$25,000+250 - 999 employeesLondon, EnglandEstablished in 2000, Future Processing is a custom software development company. The midsize team provides Custom Software Development, cloud consulting & SI, AI Consulting, Artificial Intelligence, and more. The agency is based in Gliwice, Poland; Ternopil, Ukraine; London, England and Düsseldorf, Germany.Read More
Clients
AllocateIndustries
-
4$10,000+250 - 999 employeesLondon, EnglandCustom software development company Shinetech Software is headquartered in Beijing, China; Sydney, Australia; Melbourne, Australia and London, England. The midsize company was launched in 2001. Their team provides Custom Software Development, IT staff augmentation, Enterprise App Modernization, and Artificial Intelligence.Read More
Clients
Barts Health NHS TrustIndustries
-
5$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
-
6$25,000+1,000 - 9,999 employeesLondon, EnglandRead More
ELEKS is a custom software development firm established in 1991. Their large team is in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.
Clients
BNY Mellon DPD Acino DRAXIndustries
-
7$50,000+250 - 999 employeesLondon, EnglandInfinum, a custom software development company, was established in 2005. They are in New York, New York; San Francisco, California; Zagreb, Croatia and Ljubljana, Slovenia and have a midsize team. Their services include Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more.Read More
Clients
PhilipsIndustries
-
8$10,000+50 - 249 employeesLondon, EnglandRead More
Launched in 2018, Rootquotient is a midsize software development company. Their team offers Custom Software Development, Artificial Intelligence, and Mobile App Development. The firm is based in Toronto, Canada; Chennai, India; Richmond, Canada and London, England.
Clients
Siemens GamesaIndustries
-
9$50,000+50 - 249 employeesEdinburgh, ScotlandClockwise Software, a software development firm, was founded in 2014. Located in Edinburgh, Scotland, their midsize team specializes in Custom Software Development, Artificial Intelligence, Mobile App Development, Web Development, and more.Read More
Clients
Johnson & JohnsonIndustries
-
10$25,000+1,000 - 9,999 employeesLondon, EnglandKellton, a software development firm, was founded in 2009. The large Plano, Texas-based team offers Custom Software Development, Mobile App Development, Artificial Intelligence, BI & big data consulting & SI, and more.Read More
Industries
-
11$50,000+1,000 - 9,999 employeesLondon, EnglandLocated in Warszawa, Poland; Kraków, Poland; Dallas, Texas and London, England, Andersen Inc. Is a software development company. The large company was launched in 2007. Their team specializes in Custom Software Development, IT strategy consulting, IT managed services, Artificial Intelligence, and more.Read More
Clients
SamsungIndustries
-
12$5,000+50 - 249 employeesLondon, EnglandFounded in 2015, Digis, a Fiverr company (NYSE: FVRR) is a custom software development company. The midsize team specializes in Custom Software Development, Web Development, and IT staff augmentation. The firm is based in London, England; New York, New York; București, Romania and L'viv, Ukraine.Read More
Clients
Blablacar Hubspot PwC HumaIndustries
-
13$25,000+50 - 249 employeesLondon, EnglandImaginary Cloud, a software development company, is located in London, England; Lisboa, Portugal; Coimbra, Portugal and San Francisco, California. The midsize team provides Custom Software Development, Artificial Intelligence, Mobile App Development, Web Development, and more and was founded in 2010.Read More
Clients
NokiaIndustries
-
14$50,000+250 - 999 employeesLondon, EnglandVega IT is a Novi Sad, Serbia-based custom software development company. Established in 2008, the midsize team offers Custom Software Development, CRM consulting and SI, Mobile App Development, E-Commerce Development, and more.Read More
Clients
Howden Group Arthur D. Little Costa Coffee UniCredit bankIndustries
-
15$25,000+50 - 249 employeesLondon, EnglandUnicrew is a custom software development company founded in 2012. The company provides Custom Software Development, Web Development, Artificial Intelligence, Mobile App Development, and more and has a midsize team.Read More
Clients
Jack Cooper Transport Bigfood Group Booked It Open Room Inc.Industries
-
16$25,000+50 - 249 employeesSalford, EnglandDigiryte is a software development company. They are headquartered in Salford, England; London, England and Houston, Texas and have a midsize team. The firm offers Custom Software Development, Artificial Intelligence, and cloud consulting & SI.Read More
Clients
NHSIndustries
-
17$50,000+50 - 249 employeesLondon, EnglandMetasite is a midsize software development firm established in 1997. Their services include Custom Software Development, Enterprise App Modernization, Generative AI, AI Agents, and more. The firm is based in Vilnius, Lithuania and London, England.Read More
Clients
Man Group WTW BLME British LandIndustries
-
18$50,000+50 - 249 employeesBournemouth, EnglandLaunched in 2009, 3 SIDED CUBE is an application development company. They are in Washington, District of Columbia; Bournemouth, England; London, England and Winter Garden, Florida and have a midsize team. Their services include Mobile App Development, Custom Software Development, UX/UI Design, and Artificial Intelligence.Read More
Clients
American Red Cross British Red Cross Vodafone GlastonburyIndustries
-
19$10,000+250 - 999 employeesLondon, EnglandGeekyAnts is an application development firm established in 2006. The firm provides Mobile App Development, Custom Software Development, Artificial Intelligence, Web Development, and more and has a midsize team.Read More
Clients
Siveco Romania Olive Garden Darden KhataBookIndustries
-
20$75,000+1,000 - 9,999 employeesLondon, EnglandLaunched in 2000, NashTech is a custom software development firm. They are headquartered in London, England; Palatine, Illinois; North Balgowlah, Australia and Thành phố Hồ Chí Minh, Vietnam and have a large team. The firm provides Custom Software Development, cloud consulting & SI, Generative AI, Digital Engineering, and more.Read More
Industries
-
21$25,000+50 - 249 employeesLondon, EnglandMidsize software development firm GoodCore Software, is headquartered in London, England; Karachi, Pakistan and Cyberjaya, Malaysia. Founded in 2005, the team specializes in Custom Software Development, Artificial Intelligence, Web Development, IT strategy consulting, and more.Read More
Clients
PMLL GCBF Hirevine London Women's ClinicIndustries
-
22$1,000+50 - 249 employeesHertfordshire, EnglandRead More
IIH Global is a midsize custom software development company. The Hertfordshire, England-based firm was established in 2013. Their team provides Custom Software Development, Mobile App Development, Web Design, Web Development, and more.
Clients
FLOORS TO WALLS MESHHH Ultimate Player HQ PharmsmartIndustries
-
23$5,000+250 - 999 employeesLondon, EnglandSPD Technology is a software development firm based in London, England; Kyiv, Ukraine; București, Romania and Aradippou, Cyprus. The midsize firm was established in 2006. Their team specializes in Custom Software Development, Artificial Intelligence, Enterprise App Modernization, and Digital Engineering.Read More
Clients
PitchBook GoDaddy Roche MorningstarIndustries
-
24$25,000+1,000 - 9,999 employeesLondon, EnglandRead More
TatvaSoft is a custom software development company headquartered in Ahmedabad, India; Murphy, Texas; Melbourne, Australia and London, England. Established in 2001, the large team focuses on Custom Software Development, Web Development, Mobile App Development, cloud consulting & SI, and more.
Clients
Anglo AmericanIndustries
-
25$50,000+250 - 999 employeesLondon, EnglandMethod is a midsize UX agency. They specialize in UX/UI Design, Custom Software Development, Digital Strategy, Mobile App Development, and more and were launched in 1999. The agency is located in New York, New York; London, England; Santa Clara, California and Charlotte, North Carolina.Read More
Industries
-
26$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
-
27$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
Clients
NHSIndustries
-
28$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
Clients
BNP ParibasIndustries
-
29$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
Clients
Bosch Siemens eBay Total EnergiesIndustries
-
30$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
Clients
Connect44Industries
Featured provider
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed Software Developers in United Kingdom
Check out a Software Developers in United Kingdom with the most new reviews in the past 12 months.
Most Reviewed
Software Developers
United Kingdom
- 11 10 new reviews
- 12 10 new reviews
- 13 9 new reviews
- 14 7 new reviews
- 15 7 new reviews
