Top 30 Software Development Companies in London

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Top 30 Software Development Companies in London

The Best of December 2025
The right custom software can give a struggling or growing business the edge it needs. Different kinds of custom software exist for all kinds of functions, such as enterprise resource planning solutions, customer relationship management systems, and content management systems. 
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List of the Best London Software Development Firms

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  • 361

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    London, England
    Endava is a software development firm. Their large team is in London, England and Atlanta, Georgia. Their services include Custom Software Development and IT strategy consulting.
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  • 362

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Global App Testing is a Cluj-Napoca, Romania-based software development company. They provide Custom Software Development.
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  • 363

    (50 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    London, England
    Phenomenon Studio is an UX design company. Their midsize team is in Dover, Delaware; Chicago, Illinois; New York, New York and Los Angeles, California. Their services include UX/UI Design, Web Development, Branding, Web Design, and more. The agency was established in 2019.
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    Clients

    Airportr Nomupay One Text Shaga

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  • 364

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    2 - 9 employees
    london, England
    IT strategy consulting company Apexa Tech is located in london, England and Cairo, Egypt. They specialize in IT strategy consulting and Custom Software Development.
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  • 365

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    250 - 999 employees
    London , England
    Equal Experts is a custom software development firm launched in 2007. The firm focuses on Custom Software Development and Mobile App Development.
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  • 366

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    London, England
    Masergy is an IT managed services company established in 2000. Headquartered in Plano, Texas and London, England, the team specializes in IT managed services and Custom Software Development.
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    Clients

    Profit Enhancement Systems
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  • 367

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Codurance Ltd, a custom software development company, was founded in 2013. The team provides Custom Software Development and Enterprise App Modernization.
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  • 368

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    London, England
    Custom software development firm Radically Digital Ltd was established in 2019. The midsize team offers Custom Software Development and UX/UI Design.
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  • 369

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Dagenham, England
    O2Soft is a software development company. They are based in Dagenham, England and have midsize team of experts. Their services include Custom Software Development and Mobile App Development.
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  • 370

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Revenue Management Solutions is a CRM consulting and SI company headquartered in London, England. The team focuses on CRM consulting and SI and Custom Software Development.
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  • 371

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    București, Romania
    Computaris International is a custom software development company established in 1992. The company specializes in Custom Software Development and IoT development, and is midsize.
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  • 372

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    London, England
    Wildfish is a custom software development company. The London, England-based team specializes in Custom Software Development and Application Management & Support.
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  • 373

    (0 Reviews)

    Not yet reviewed.

    $50,000+
    250 - 999 employees
    London, England
    SovTech UK is an IT staff augmentation company. They are headquartered in London, England and have midsize team. They offer IT staff augmentation and Custom Software Development.
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  • 374

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    50 - 249 employees
    Novi Sad, Serbia
    Devtech Group is a custom software development company. The Novi Sad, Serbia-based agency specializes in Custom Software Development and Enterprise App Modernization.
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  • 375

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    Baarn, Netherlands
    CoMakeIT is a Baarn, Netherlands-based Enterprise App Modernization company. Their services include Enterprise App Modernization and Custom Software Development.
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  • 376

    (0 Reviews)

    Not yet reviewed.

    $50,000+
    250 - 999 employees
    London, England
    Founded in 2014, Infinity Works is a custom software development company. Located in Leeds, England and London, England, the team focuses on Custom Software Development and cloud consulting & SI.
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  • 377

    (0 Reviews)

    Not yet reviewed.

    $25,000+
    50 - 249 employees
    London, England
    Decima Digital is an e-commerce development firm established in 2015. The team focuses on E-Commerce Development and Custom Software Development and is located in Tallinn, Estonia and London, England.
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  • 378

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    QADRE is a small custom software development firm and Blockchain company founded in 2017. Their team provides Custom Software Development and Blockchain.
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  • 379

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    London, England
    Suggestv Ltd is a small custom software development company located in London, England. The team specializes in Custom Software Development and cloud consulting & SI.
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  • 380

    (0 Reviews)

    Not yet reviewed.

    $50,000+
    50 - 249 employees
    London, England
    Yozu is a midsize custom software development firm founded in 2013. Their team focuses on Custom Software Development and Mobile App Development.
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    Industries

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  • 381

    (0 Reviews)

    Not yet reviewed.

    $50,000+
    2 - 9 employees
    London, England
    Atchai : Data Science and Applied AI is an AI development company. They were established in 2010, and their services include Artificial Intelligence and Custom Software Development.
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  • 382

    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    London, England
    Web design agency Bestech Private Ltd is in Ilford, England and London, England. The small team focuses on Web Design, UX/UI Design, IT managed services, Custom Software Development, and more and was founded in 2014.
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  • 383

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Unified communications consulting & SI company Content Formula was launched in 2005. The company offers unified communications consulting & SI and Custom Software Development, and is small.
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  • 384

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    London, England
    Zemoso Technologies is a Farmers Branch, Texas-based software development firm. The team specializes in Custom Software Development and Enterprise App Modernization.
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  • 385

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    London, England
    Founded in 2012, SmartSmith Infotech is a midsize custom software development firm. Their team provides Custom Software Development and Web Development.
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    Industries

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  • 386

    (0 Reviews)

    Not yet reviewed.

    $75,000+
    50 - 249 employees
    london, England
    Gravity9, a midsize custom software development firm, is located in Birmingham, England and london, England. The team offers Custom Software Development and Enterprise App Modernization.
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  • 387

    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    London, England
    Akoom Tech, a custom software development company, is based in London, England and Bristol, England. The team provides Custom Software Development and Web Development.
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  • 388

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    London, England
    Software development company Hopp Tech specializes in Custom Software Development and Digital Strategy. They are based in London, England.
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  • 389

    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    Praha 5, Czech Republic
    Soitron is a Bratislava 25, Slovakia-based IT managed services company. The team provides IT managed services and IT staff augmentation.
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    Clients

    HPE

    Industries

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  • 390

    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    Custom software development firm VTrack Solutions was launched in 2021. The firm specializes in Custom Software Development, and is small.
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