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Top JavaScript Agencies

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2,000 Agencies

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Lion Creative

Hampton Hill, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by Lion Creative

10-49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> Next.js </> Node.js +7

Custom Software Development Website Optimization Web Development +1

lion-creative...

Web Development +1

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Branding by Garden

London

Top-Rated Custom Web Engineering & SEO Optimization by Branding by Garden

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

brandingbygar...

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Design Culture

London

Top-Rated Custom Web Engineering & SEO Optimization by Design Culture

50-249

$ Min. $10,000+

$100 - $149 / hr

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</> React </> Next.js </> Node.js +9

Custom Software Development

design-cultur...

Web Development +2

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Steadfast Collective

London, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by Steadfast Collective

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> React </> Next.js </> Node.js +10

Mobile App Development Web Development

steadfast-col...

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Wildish & Co.

London

Premier Software Engineering & SEO-Driven Web Solutions by Wildish & Co.

50-249

$ Min. $10,000+

$100 - $149 / hr

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</> React </> Next.js </> Node.js +9

Custom Software Development

wildish-co.com

Web Development +1

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hue&machine

London, United Kingdom

Minimalistic Web Design, UI/UX & Mobile-Friendly Development

2 - 9

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Node.js </> JavaScript +2

Custom Software Development Web Design UX/UI Design +2

hueandmachine...

Web Development +1

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Making Websites Better

Ware

Premier Software Engineering & SEO-Driven Web Solutions by Making Websites Better

10-49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> Next.js </> Node.js +7

Custom Software Development Website Optimization Web Development +1

making-websit...

Web Development +1

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Show + Tell

London, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by Show + Tell

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

showandtell.a...

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Shoreditch Design

London

Premier Software Engineering & SEO-Driven Web Solutions by Shoreditch Design

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> React </> Next.js </> Node.js +9

Custom Software Development

shoreditch-de...

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Wise Vision

London

Top-Rated Custom Web Engineering & SEO Optimization by Wise Vision

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> React </> Next.js </> Node.js +9

Custom Software Development

wise-vision.com

Web Development +1

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Authentic Digital

London, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by Authentic Digital

10-49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> Next.js </> Node.js +7

Custom Software Development Website Optimization Web Development +1

authentic-dig...

Web Development +2

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Zerocoder

San Francisco, United States

No-Code Development Academy, Bubble & FlutterFlow MVP Engineering

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> Lit </> JavaScript </> Webflow +3

AR/VR Development API Development UI/UX Design +1

zerocoder.com

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Technology Guide & Market Insights

Hiring JavaScript Agencies: Complete Guide & Overview

JavaScript is a general-purpose programming language used extensively for web development. It runs directly in web browsers for interactive interfaces and can also run on servers, desktop applications, mobile applications, and developer tools. JavaScript supports event-driven and asynchronous programming and has a large ecosystem of libraries and frameworks. It is a core technology for frontend development and is also widely used in full-stack applications through runtimes such as Node.js.

For projects using JavaScript, teams should consider the application's requirements, expected scale, integration points, deployment environment, testing approach, and long-term maintenance. Choosing the technology should also take into account the existing skills of the development team and the libraries or services already used by the product.