Top 100 JavaScript Development Companies in London

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Top 100 JavaScript Development Companies in London

The Best of November 2024

Looking for a top JavaScript developer in London?

If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. 

Jump to Most Reviewed Companies

List of the Best London JavaScript Developers

  • 301
    (0 Reviews)

    Not yet reviewed.

    • $25,000+
    • 10 - 49 employees
    • London, England
    Solid State Group is a London, England-based UX company. They provide UX/UI Design and Mobile App Development.
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  • 302
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • $10,000+
    • 2 - 9 employees
    • London, England

    Software development firm KosmosKod was launched in 2022. Located in London, United Kingdom, their small team provides custom software development, mobile app development, web development, enterprise app modernization, and more.

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    Industries

  • 303
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 250 - 999 employees
    • London, England
    Americaneagle.com is a web design company. Established in 1978, the company is based in Des Plaines, Illinois and Chicago, Illinois. Their team specializes in Web Design and Web Development.
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    Industries

  • 304
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 50 - 249 employees
    • London, England
    AlphaBOLD is a CRM consulting and SI company. Their team is based in Carlsbad, California and London, England and offers CRM consulting and SI and Application Testing.
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    Clients

    • MechCo Group LLC

    Industries

  • 305
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 2 - 9 employees
    • London, England
    Web design company WeAgile Limited is in London, England. The team offers Web Design and Web Development.
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    Industries

  • 306
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 2 - 9 employees
    • London, England
    Pixelter is a web development company. They were established in 2012 and provide Web Development and Conversion Optimization.
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    Industries

  • 307
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 2 - 9 employees
    • London, England
    Located in London, England, Ramp is a website development firm. They offer Web Development and Web Design and were founded in 2022.
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  • 308
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • London, England
    Launched in 2001, PNN Soft is a software development firm. Their services include Custom Software Development and Mobile App Development.
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    Industries

  • 309
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 1,000 - 9,999 employees
    • London, England
    Established in 1996, Critical Mass is a large web design company located in Calgary, Canada and London, England. Their team specializes in Web Design and UX/UI Design.
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    Industries

  • 310
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • London, England
    Launched in 2022, Safetech Creations is a social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.
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  • 311
    (5 Reviews) 4.9
    • Timeliness

      4.6
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

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

    Located in Birmingham , United Kingdom, Verse is an user experience company. The small team offers ux/ui design, email marketing, web design, and web development and was launched in 2007.

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    Industries

  • 312
    (0 Reviews)

    Not yet reviewed.

    • $25,000+
    • 2 - 9 employees
    • London, England
    Digital Strategy company Polar London was founded in 2013. In London, England and London, Vietnam, the team provides Digital Strategy and Other Digital Marketing.
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    Clients

    • Littlepay
    • CFL
    • Fearless Union
    • Quid

    Industries

  • 313
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 2 - 9 employees
    • London, England
    HollowCore is a SEO company. Located in London, England, their team provides Search Engine Optimization and IT staff augmentation.
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    Clients

    • emovement

    Industries

  • 314
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • London, England
    Headquartered in London, England and Thane, India, Codelax Creative is a website development firm. Their services include Web Development and Search Engine Optimization.
    Read More

    Industries

  • 315
    (7 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      5.0
    • Would Recommend

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

    Circle Square is a software development company located in London. Founded in 2016, they have roughly 5 teammates. Their services include IT staff augmentation and product design as well as web and app development.

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    Clients

    • YOW
  • 316
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, England
    Established in 2016, roar is a PPC company. Their services include Pay Per Click and Web Design.
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    Industries

  • 317
    (1 Reviews) 5.0
    • Timeliness

      4.5
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • London, England

    EastSons' Technologies is a software development firm. They are located in Noida, India; London, United Kingdom and Burnaby, Canada and have a small team that focuses on custom software development, branding, e-commerce development, mobile app development, and more. The firm was launched in 2014.

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    Industries

  • 318
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 10 - 49 employees
    • London, England
    Diffusion Digital is a Marketing Strategy company. Established in 2014, the agency offers Marketing Strategy and E-Commerce Development.
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  • 319
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, England
    Mellontical Solutions is a small London, England-based web development firm. Their services include Web Development and Branding.
    Read More
  • 320
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 50 - 249 employees
    • London, England
    Zonalgo is a custom software development company. They provide Custom Software Development and Web Development and were founded in 2010.
    Read More
  • 321
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 10 - 49 employees
    • London, England
    Countdown Ventures is an application development firm. The London, England-based company was launched in 2023. Their services include Mobile App Development and Web Development.
    Read More
  • 322
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, England
    Established in 2019, Codematic Technology Services is a website development company. The small team specializes in Web Development and Mobile App Development.
    Read More

    Industries

  • 323
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, England
    Established in 2022, Olive IT is a software development firm. The team offers Custom Software Development and Web Development and is headquartered in London, England and Dhaka, Bangladesh.
    Read More

    Industries

  • 324
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, England
    DigitSense is a digital strategy company. They offer digital strategy, mobile & app marketing, search engine optimization, custom software development, and more and were established in 2020. The firm is based in Hong Kong, Hong Kong; Ho Chi Minh City, Vietnam and Jakarta, Indonesia.
    Read More

    Industries

  • 325
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, England
    Established in 2020, Core Devs Ltd is a small Dubai, United Arab Emirates-based software development company. Their team provides Custom Software Development and Blockchain.
    Read More

    Industries

  • 326
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, England
    Launched in 2006, Design Direct UK, a small web development firm, is headquartered in London, England. Their services include Web Development and Mobile App Development.
    Read More

    Industries

  • 327
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 250 - 999 employees
    • London, England
    DVT is a business intelligence company established in 1999. Headquartered in Johannesburg, South Africa and London, England, the team provides BI & big data consulting & SI and IT staff augmentation.
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    Clients

    • Nedgroup Investments

    Industries

  • 328
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • London, England
    Established in 2022, Logicful is a small custom software development company. Their services include Custom Software Development and Blockchain.
    Read More

    Industries

  • 329
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • London, England
    Launched in 2024, DevPeek, a small website development firm, is headquartered in London, England. Their team provides Web Development and Custom Software Development.
    Read More
  • 330
    (8 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      5.0
    • Would Recommend

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

    BN Solutions Inc is a web design agency and user experience company. Their midsize team is located in Sheridan, Wyoming. The company focuses on web design and ux/ui design.

    Read More

    Industries

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