Top 100 Software Development Companies in the United Kingdom

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Top 100 Software Development Companies in the United Kingdom

The Best of January 2025
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. 
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List of the Best United Kingdom Software Developers

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  • 4
    (33 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.7

    Would Recommend

    4.9
    $10,000+
    250 - 999 employees
    London, England
    Vega IT is a midsize software development company. Founded in 2008, the firm is located in Novi Sad, Serbia; New York, New York and London, England. Their services include Custom Software Development, CRM consulting and SI, Mobile App Development, E-Commerce Development, and more.
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    Industries

  • 5
    (43 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

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

    Rootquotient Technologies is a Custom Software Development agency with offices in London, Toronto and India Since 2019, the team of 170 has specialized in Custom made Web Application Development, Cross-platform Mobile App Development, Artificial Intelligence, Block chain, Machine Learning and Business Intelligence solutions.

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    Clients

    Siemens Gamesa

    Industries

  • 6
    (123 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    London, England

    Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.

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    Clients

    Samsung

    Industries

  • 7
    (49 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    4.9
    $25,000+
    50 - 249 employees
    Salford, England

    Digiryte is a web and mobile app development company based in Manchester, United Kingdom with another UK office in Preston. Since 2015, their team of 28 has been specializing in mobile app development, custom software development, and web development for midmarket clients. 

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    Clients

    NHS

    Industries

  • 8
    (36 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

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

    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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    Clients

    Moving Pipe

    Industries

  • 9
    (50 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

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

    TkXel is a mobile app and web development company founded in 2007. With its headquarters in Reston, Va., and an office in Lahore, Pakistan, they have a team of 318 employees. Their services include mobile app development, web development, and custom software development. They primarily serve small and midmarket clients. 

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    Clients

    ABB

    Industries

  • 10
    (100 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $10,000+
    250 - 999 employees
    London, England
    GeekyAnts is a software development firm established in 2006. Their midsize team is based in San Francisco, California; Bengaluru, India and London, England. The firm focuses on Custom Software Development, Mobile App Development, Web Development, Artificial Intelligence, and more.
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    Clients

    Siveco Romania Olive Garden Darden KhataBook

    Industries

  • 11
    (53 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.5

    Would Recommend

    5.0
    $25,000+
    250 - 999 employees
    London, England

    Infinum is a software development company in San Francisco, CA. The 50+ team has equal experience in mobile and web development. They work with clients from a variety of industries, including business and financial services and automotive.

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    Clients

    Philips

    Industries

  • 12
    (34 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

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

    Imaginary Cloud is a Web, Mobile and AI Software Development and UX/UI Design Company with offices in the UK, US and Portugal. In the last 11 years they have helped build and scale more than 300 applications, from Start-ups, Scale-ups to Enterprises, winning several global awards. They offer a comprehensive skill set of developers, data scientists and designers coupled with a streamlined agile process.

     
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    Clients

    Nokia

    Industries

  • 13
    (30 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    London, England

    DotCode is a design and development company based in Lviv, Ukraine, and founded in 2018. Their team of more than 10 provides web development, web design, and e-commerce development solutions for clients in the fields of hospitality, advertising, and financial services.

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    Clients

    Ply LCM Digital Fly Jets Thrive

    Industries

  • 14
    (38 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    4.9
    $25,000+
    250 - 999 employees
    Belfast, Northern Ireland

    Founded in 2009, Unosquare, LLC is headquartered in Lake Oswego, Ore. with other locations in Guadalajara, Mexico, and Belfast, U.K. With more than 600 employees, they provide software testing and development services, combined with their staff augmentation services to meet software engineering needs, using nearshore development professionals.

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    Clients

    Vesta

    Industries

  • 15
    (31 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    London, England
    GoodCore Software is a software development company. Their midsize team is headquartered in London, England; Karachi, Pakistan and Cyberjaya, Malaysia. Their services include Custom Software Development, IT strategy consulting, Web Development, and Business Consulting. The company was founded in 2005.
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    Clients

    PMLL GCBF Hirevine London Women's Clinic

    Industries

  • 16
    (18 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

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

    SENLA is a fast-growing software development company in 5 EU locations, founded in 2012. Our team of 600+ certified technical specialists and managers has large expertise in a full-cycle development from BA to maintenance as well as separate services like QA or UX Audit. We have successfully completed over 350 projects in FinTech, Healthcare, Manufacturing and other industries.

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    Clients

    Abbott BOSCH KPMG Western Union

    Industries

  • 17
    (23 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

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

    Core Blue Ltd is a software engineering company based in London with an office in Plymouth, U.K. The company, founded in 2015, has a team of less than ten that provides custom software development, mobile app development, web development, and IoT development services to various companies.

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    Clients

    Bank of Kigali

    Industries

  • 18
    (29 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    London, England

    Founded in 1991, ELEKS is a provider of software development, product design and technology advisory services. They offer cooperation models that fit the goals, resources and timelines of Fortune 500 companies, large enterprises, and small businesses. ELEKS has more than 2,000 specialists and 17 offices on three continents to serve their clients globally. 

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    Clients

    Eagle Investment Systems (a subsidiary of BNY Mellon)

    Industries

  • 19
    (64 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.8
    $1,000+
    50 - 249 employees
    Hertfordshire, England
    IIH Global is a midsize software development company. The Hertfordshire, England-based firm was founded in 2013. Their services include Custom Software Development, Mobile App Development, Web Design, Web Development, and more.
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    Clients

    FLOORS TO WALLS Inode Ultimate Player HQ Pharmsmart

    Industries

  • 20
    (12 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

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

    Founded in 2004, Computer Conquest is an IT managed services company. The company offers IT managed services, cloud consulting & SI, custom software development, IT strategy consulting, and more and has a small team. The company is in Cirencester, United Kingdom.

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    Clients

    The Woodhouse Partnership Brickflow The International Stock Exchange London Underground

    Industries

  • 21
    (36 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    London, England

    Based in Vienna, VA, 10Pearls designs and maintains apps for various companies. The company and its nearly 350 employees have experience in cybersecurity, product development, and UX/UI design.

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    Clients

    HughesNet

    Industries

  • 22
    (19 Reviews) 4.7

    Timeliness

    4.6

    Service Excellence

    4.6

    Value

    4.3

    Would Recommend

    4.9
    $50,000+
    250 - 999 employees
    London, England
    Opinov8 Digital and Engineering Solutions is a midsize software development firm located in London, England; Kyiv, Ukraine; Cairo, Egypt and Weybridge, England. They offer Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, and Enterprise App Modernization and were established in 2017.
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    Clients

    Fortune 500 Companies

    Industries

  • 23
    (34 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 global software solutions and engineering services company that helps the world’s leading organizations turn challenges into lasting business value,  operational efficiency,  and revenue growth using modern technology. With over 2,000 professionals in 25 countries across Europe and the Americas, N-iX offers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other tech domains. Being in business for over two decades, we have worked with dozens of industry-leading enterprises and Fortune 500 companies, creating value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, and more. 

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    Clients

    Bosch Siemens eBay Total Energies

    Industries

  • 24
    (35 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.7

    Value

    4.7

    Would Recommend

    4.8
    $10,000+
    50 - 249 employees
    London, England

    Emvigo Technologies is a technology development firm based out of Sandwich, U.K. Founded in 2012, it has more than 60 employees who specialize in custom software development, mobile app development, and web development.

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    Industries

  • 25
    (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 & Consulting, founded in 1998, is a software development company headquartered in Warsaw, Poland, with an additional office in Krakow, Poland. They specialize in custom software development, web development, and application management & support. The company has 130+ employees who work with enterprise, mid-market, and small businesses. The businesses they serve are mostly in the financial services industry. 
     

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    Clients

    BNP Paribas

    Industries

  • 26
    (29 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    London, England
    TH-EY, a software development company, was established in 2017. Their small team is headquartered in London, England and Kraków, Poland. The firm specializes in Custom Software Development, UX/UI Design, Mobile App Development, Application Testing, and more.
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    Clients

    Launchworks

    Industries

  • 27
    (3 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    London, England
    Totally.Tech is a custom software development company founded in 2000. The agency offers custom software development, enterprise app modernization, mobile app development, and application management & support and has a small team. The agency is headquartered in London, United Kingdom.
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    Clients

    Start Up Loans (British Business Bank)

    Industries

  • 28
    (87 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    5.0
    $25,000+
    1,000 - 9,999 employees
    London, England

    Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.

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    Clients

    IBM PayPal pwc IC Markets

    Industries

  • 29
    (74 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    London, England
    Digis is an IT staff augmentation company. The midsize team is headquartered in London, England; New York, New York; București, Romania and L'viv, Ukraine. Their services include IT staff augmentation, Custom Software Development, and Web Development.
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    Clients

    Huma

    Industries