Top 100 JavaScript Development Companies in London

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Top 100 JavaScript Development Companies in London

The Best of April 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

  • 121
    (8 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.6
    • Would Recommend

      4.9
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    Takeaway Reality is an AR/VR development company headquartered in London, United Kingdom. The small firm was established in 2020. Their team offers AR/VR development, marketing strategy, mobile & app marketing, and business consulting.

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    Clients

    • Microsoft

    Industries

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  • 122
    (6 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.4
    • Would Recommend

      4.8
    • $10,000+
    • 10 - 49 employees
    • London , United Kingdom

    Design Culture, a small branding agency, is located in London , United Kingdom. Established in 2006, the team provides branding, marketing strategy, web development, graphic design, and more.

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    Industries

  • 123
    (2 Reviews) 4.8
    • Timeliness

      4.3
    • Service Excellence

      4.8
    • Value

      4.5
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Zesty is a full-service digital agency based in Dublin, Ireland, with additional offices in Belfast, Northern Ireland and London, England. Zesty was founded in 1996 and has 37 employees. Services offered by Zesty include web development, web design, and digital strategy.

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    Clients

    • Ulster Orchestra

    Industries

  • 124
    (20 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    KOTA - Creative Digital Agency is a creative digital agency based in London operated by a team of less than 50 people. Since 2013, they have provided solutions in web design, digital strategy, and advertising. They also offer branding services with a focus on corporate identity, brand messaging, and brand strategy.

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    Clients

    • Penguin Books & Jamie Oliver

    Industries

  • 125
    (3 Reviews) 4.7
    • Timeliness

      5.0
    • Service Excellence

      4.7
    • Value

      4.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Made Tech is a London-based software services provider that was founded in 2010. The company employs a team of 33 that provides e-commerce development, web development, custom software development, and conversion optimization services to mid-size and small businesses.

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    Clients

    • Rocket Internet

    Industries

  • 126
    (29 Reviews) 4.8
    • Timeliness

      4.5
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      4.9
    • Undisclosed
    • 10 - 49 employees
    • London , United Kingdom

    IdeaWork Studios is a full-service advertising, development, and design agency founded in 1999. Headquartered in New York City, the company also has offices in Santa Barbara, CA and Las Vegas, NV. The team of more than 20 employees offers branding, web design, web development, and other marketing and design services such as logo and packaging design and email marketing.

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    Industries

  • 127
    (7 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Sell Staged is a London-based web and mobile app development company founded in 2019 with no more than 50 professionals. They specialize in web development, mobile app development, and UX/UI design solutions for clients ranging from small firms to large companies.

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    Clients

    • GymCall

    Industries

  • 128
    (4 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

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

    WP Minds is a web company founded in Lahore, Pakistan in 2010 with fewer than 50 professionals. They provide web development and application management support solutions to small businesses and firms.

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    Clients

    • Bottleworx Inc

    Industries

  • 129
    (17 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.0
    • Would Recommend

      4.9
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Deazy is a small application development company. The Cardiff, United Kingdom-based agency was founded in 2016. Their services include mobile app development, custom software development, web development, ux/ui design, and more.

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    Clients

    • RAC

    Industries

  • 130
    (4 Reviews) 4.6
    • Timeliness

      4.6
    • Service Excellence

      4.6
    • Value

      4.4
    • Would Recommend

      4.8
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Bit Zesty is a custom software development firm. They provide custom software development, ux/ui design, web development, application management & support, and more and were launched in 2009. Their small team is London, United Kingdom-based.

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    Clients

    • Oxford Medical Simulation

    Industries

  • 131
    (23 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Appstronauts is a mobile app development company that was founded in 2015. They are headquartered in Warsaw, Poland with another location in Manchester, U.K. The company is made up of 11 employees and specializes in mobile app development, custom software development, and IT strategy consulting. Their client focus is small businesses, primarily in the business services, consumer products, and education industries.

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    Clients

    • Solutions30

    Industries

  • 132
    (3 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 2 - 9 employees
    • London, United Kingdom

    Webdesign7 is a digital marketing agency based in London. Founded in 2011, their team of 8 specializes in web development and design, mobile app development, and digital strategy. The industries they focus on are advertising and marketing, consumer products and services, arts, entertainment and music.  

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    Clients

    • Turkey Homes

    Industries

  • 133
    (7 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.8
    • Value

      4.4
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    User experience design company Athlon: digital brand and product is in London, United Kingdom; Brooklyn, New York; Toronto, Canada and Sofia, Bulgaria. The midsize agency was launched in 2009. Their team focuses on ux/ui design, product design, web design, web development, and more.

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    Industries

  • 134
    (12 Reviews) 4.7
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.8
    • Would Recommend

      4.8
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Founded in 2004, HeadChannel is a software development firm that offers custom software development, web development, and mobile app development services to their small business and mid-market clients in the IT industry. Their 50 employees are based out of offices in London and Katowice, Poland.

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    Clients

    • The William Pears Group

    Industries

  • 135
    (1 Reviews) 5.0
    • Timeliness

      4.5
    • Service Excellence

      5.0
    • Value

      4.0
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • London, United Kingdom

    Market Jar is a digital marketing and design agency that was founded in 2017 and is based in London. Their team of 3 employees specializes in SEO, advertising, and email marketing for primarily small business clients in the consumer products, retail, and e-commerce industries.

    Read More

    Industries

  • 136
    (17 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $1,000+
    • 2 - 9 employees
    • London, United Kingdom

    Sheer Digital is a creative digital agency founded in 2012. Based in London, the team of 4 employees specializes in web development, UX/UI design and eCommerce development. They primarily serve small business clients in financial services, consumer products & services and IT industries. 

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    Clients

    • UK Law firms

    Industries

  • 137
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom
    Cynosure Designs is a web development company in London, United Kingdom. The company specializes in web development, branding, digital strategy, social media marketing, and more and has a small team.The company was founded in 2005.
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    Clients

    • Continental Tires
  • 138
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • Otford, United Kingdom

    Ecce. Is a small web design agency in Otford, United Kingdom. They provide web design, branding, e-commerce development, mobile app development, and more and were established in 1999.

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    Industries

  • 139
    (3 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

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

    Ignite is a branding firm. They specialize in branding, social media marketing, digital strategy, web design, and more and were launched in 2001. The agency is located in London, United Kingdom; New York, New York; Milano, Italy and Port Orange, Florida.

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    Industries

  • 140
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Drewl is a website development company headquartered in London, United Kingdom. The small agency was founded in 2019. Their team focuses on web development, web design, ux/ui design, digital strategy, and more.

    Read More

    Industries

  • 141
    (3 Reviews) 4.8
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      5.0
    • Would Recommend

      4.8
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom
    Based in London, United Kingdom, YJCollective is a branding firm. The small company was founded in 2020. Their services include branding, market research, digital strategy, ux/ui design, and more.
    Read More

    Industries

  • 142
    (6 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • $5,000+
    • 2 - 9 employees
    • London, United Kingdom

    Milo Creative is a digital studio located in London. Founded in 2002, it has a team of 17 that specializes in mobile app development, UX/UI design, and web development services. They work with companies in various industries including education, health care & medical, and advertising & marketing.

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    Clients

    • Sony Music

    Industries

  • 143
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

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

    200OK Solutions is a mobile app development firm based in Ahmedabad, India. Founded in 2009, their team of 30 serves clients in the hospitality, transportation, and dental sectors. Services include custom software development and web design.

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    Clients

    • My Manu

    Industries

  • 144
    (9 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Mobile app development company Borne Digital is headquartered in London, UK. Their team of 20 employees also works from offices in Toronto, Canada and New York. Established in 2013, they provide web design, web development, UX/UI design, and branding, on top of mobile app development services. Their clients span all industries but are mostly small and mid-market businesses.

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    Clients

    • Asics

    Industries

  • 145
    (3 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 2 - 9 employees
    • London, United Kingdom

    Animus Bytes is an UX design company. Founded in 2020, the team focuses on ux/ui design, custom software development, web development, and mobile app development. Their small firm is headquartered in London, United Kingdom.

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    Clients

    • Skydrocell

    Industries

  • 146
    (3 Reviews) 4.3
    • Timeliness

      4.2
    • Service Excellence

      4.3
    • Value

      4.3
    • Would Recommend

      4.8
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    CTI Digital is a full-service digital agency from Manchester, UK with other offices in London and Stockport, UK. The agency was established in 2003 and now has a team of 68 that works on web development, e-commerce development, mobile app development, and UX/UI design.

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    Clients

    • Greater London Authority

    Industries

  • 147
    (3 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

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

    We Are Telescopic, a software development company, was established in 2013. The company offers custom software development, web development, mobile app development, ux/ui design, and more and has a small team.

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    Industries

  • 148
    (1 Reviews) 5.0
    • Timeliness

      4.5
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    TechTIQ Solutions is a web design and development agency in London. Founded in 2017, they have about 5 employees that work with a range of clients.  

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    Clients

    • Oxford University

    Industries

  • 149
    (7 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • Ruislip, United Kingdom

    Apuzztech is a. They are located in Memphis, Tennessee and have a small team. The firm focuses on.

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    Industries

  • 150
    (10 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

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

    Augmetic Technology is a small global technology company based in Ahmedabad, India. Founded in 2013, their team specializes in application management, application support, and e-commerce development.

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    Clients

    • Khelmart Enterprise

    Industries

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