Top 100 Software Development Companies in the United Kingdom

Need Help Selecting a Company?
Directory image
Home
Software Developers
United Kingdom

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. 
Jump to Most Reviewed Companies

List of the Best United Kingdom Software Developers

    Featured provider

  • 31

    (12 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.6

    Value

    4.7

    Would Recommend

    4.8
    $75,000+
    1,000 - 9,999 employees
    London, England
    NashTech is a large software development company. The London, England-based company was established in 2000. Their services include Custom Software Development, cloud consulting & SI, Generative AI, Digital Engineering, and more.
    Read More

    Industries

    View Profile Visit Site

    • 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 Started
  • 32

    (71 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.5

    Would Recommend

    4.7
    $25,000+
    50 - 249 employees
    London, England
    Software development company Magora was founded in 2010. In London, England; Sydney, Australia and Sunny Isles Beach, Florida, their midsize team provides Custom Software Development, Mobile App Development, Artificial Intelligence, Web Development, and more.
    Read More

    Clients

    Danone

    Industries

    View Profile Visit Site
  • 33

    (35 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.3

    Would Recommend

    4.9
    $100,000+
    1,000 - 9,999 employees
    London, England
    N-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 Energies

    Industries

    View Profile Visit Site
  • 34

    (28 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.8
    $25,000+
    250 - 999 employees
    London, England
    Altkom 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 Paribas

    Industries

    View Profile Visit Site
  • 35

    (20 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.9
    $50,000+
    10 - 49 employees
    Sarratt, England
    Custom 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 Federation

    Industries

    View Profile Visit Site
  • 36

    (22 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.9
    $10,000+
    250 - 999 employees
    London, England

    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.

    Read More

    Clients

    Apex NSPCC NHS Lush

    Industries

    View Profile Visit Site
  • 37

    (3 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    London, England
    Influential 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

    Clients

    Deloitte

    Industries

    View Profile Visit Site
  • 38

    (23 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $50,000+
    10 - 49 employees
    Edinburgh, Scotland
    Zudu, 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

    NHS

    Industries

    View Profile Visit Site
  • 39

    (19 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.9
    $10,000+
    250 - 999 employees
    London, England
    SENLA 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

    Clients

    Abbott BOSCH KPMG Western Union

    Industries

    View Profile Visit Site
  • 40

    (54 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $10,000+
    10 - 49 employees
    Bromley, England
    Goodface agency, a software development company, is in Bromley, England; Kyiv, Ukraine; Tallinn, Estonia and New York, New York. The small team specializes in Custom Software Development, UX/UI Design, Web Design, Web Development, and more. The firm was established in 2016.
    Read More

    Clients

    Magnetiq Bank 365 Games Corefy KARL STORTZ

    Industries

    View Profile Visit Site
  • 41

    (26 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.5

    Would Recommend

    4.9
    $100,000+
    1,000 - 9,999 employees
    London , England
    Software 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 Invesco

    Industries

    View Profile Visit Site
  • 42

    (11 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.5

    Would Recommend

    4.9
    $50,000+
    50 - 249 employees
    Belfast, Northern Ireland

    Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.

    Read More

    Industries

    View Profile Visit Site
  • 43

    (18 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.6

    Would Recommend

    4.9
    $10,000+
    50 - 249 employees
    London, England
    Based 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

    View Profile Visit Site
  • 44

    (49 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.8

    Would Recommend

    4.8
    $5,000+
    50 - 249 employees
    Harrow, England
    IQlance Solutions LLC is a midsize custom software development company. The Toronto, Canada-based company was established in 2016. Their services include Custom Software Development, Mobile App Development, IT staff augmentation, Artificial Intelligence, and more.
    Read More

    Industries

    View Profile Visit Site
  • 45

    (100 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.6

    Value

    4.6

    Would Recommend

    4.7
    $1,000+
    1,000 - 9,999 employees
    London, England
    AI 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

    Ericsson

    Industries

    View Profile Visit Site
  • 46

    (16 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    250 - 999 employees
    London, England
    Custom 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 Trust

    Industries

    View Profile Visit Site
  • 47

    (45 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England

    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.

    Read More

    Industries

    View Profile Visit Site
  • 48

    (25 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $10,000+
    10 - 49 employees
    London, England
    Established 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 RealThread

    Industries

    View Profile Visit Site
  • 49

    (25 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    4.9
    $50,000+
    50 - 249 employees
    London, England
    Software 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

    View Profile Visit Site
  • 50

    (23 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.7

    Value

    4.6

    Would Recommend

    4.7
    $10,000+
    50 - 249 employees
    Manchester, England
    AI 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

    LEGO

    Industries

    View Profile Visit Site
  • 51

    (16 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.7
    $50,000+
    50 - 249 employees
    London, England
    Sigli, 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 NV

    Industries

    View Profile Visit Site
  • 52

    (40 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    4.9
    $250,000+
    1,000 - 9,999 employees
    Belfast, Northern Ireland
    Unosquare, LLC is a custom software development firm. They specialize in Custom Software Development, Digital Engineering, IT staff augmentation, IT managed services, and more and were launched in 2009. Their large team is Portland, Oregon-based.
    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 Medicine

    Industries

    View Profile Visit Site
  • 53

    (22 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    London, England
    Founded 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 Care

    Industries

    View Profile Visit Site
  • 54

    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    London, England

    Format-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 Futtaim

    Industries

    View Profile Visit Site
  • 55

    (36 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.6

    Would Recommend

    4.7
    $10,000+
    250 - 999 employees
    London, England
    Instinctools 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 SpexAI

    Industries

    View Profile Visit Site
  • 56

    (46 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.8
    $50,000+
    50 - 249 employees
    London, England
    Launched 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

    View Profile Visit Site
  • 57

    (5 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.7
    $25,000+
    1,000 - 9,999 employees
    St Albans, England
    FCamara 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 Pactual

    Industries

    View Profile Visit Site
  • 58

    (45 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $25,000+
    50 - 249 employees
    London, England
    Synergy 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

    View Profile Visit Site
  • 59

    (99 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $10,000+
    50 - 249 employees
    London, England
    Founded in 2013, Halo Lab is a web design agency. Their midsize team is located in Dubai, United Arab Emirates; New York, New York; 08, Andorra and Odesa, Ukraine. Their services include Web Design, Artificial Intelligence, Web Development, Custom Software Development, and more.
    Read More

    Clients

    Auth0

    Industries

    View Profile Visit Site
  • 60

    (32 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Kingston upon Thames, England

    Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.

    Read More

    Clients

    OnlyFans

    Industries

    View Profile Visit Site
    • tracking image

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 Consultation

Most 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

More on methodology

Related content