NETWORK

Top JavaScript Agencies

127 verified agencies available • Direct contact with verified engineering teams

500+ IN NETWORK DIRECT SEARCH 35+ CATEGORIES

127 Agencies

Web Development +2

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Blind Pig Media

London, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by Blind Pig Media

50-249

$ Min. $5,000+

$100 - $149 / hr

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

Mobile App Development Web Development

blind-pig-med...

Web Development +1

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MARKEDWAY

London, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by MARKEDWAY

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

markedway.com

Web Development +2

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Codelax Creative

London, United Kingdom

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

50-249

$ Min. $5,000+

$100 - $149 / hr

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

Mobile App Development Web Development

codelax-creat...

Web Development +2

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Jolt Digital

Kingston upon Thames, United Kingdom

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

50-249

$ Min. $5,000+

$100 - $149 / hr

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

Mobile App Development Web Development

jolt-digital....

Web Development +1

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DevOrbit

London, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by DevOrbit

10-49

$ Min. $5,000+

$50 - $99 / hr

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

Custom Software Development Website Optimization Web Development +1

devorbit.com

Web Development +2

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Molo Agency

London, United Kingdom

European Bespoke Webflow Engineering, UI/UX & Brand Architecture

10-49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> Tailwind CSS </> JavaScript +3

Graphic Design Web Design Web Development +1

molo.agency

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Hertford Media LTD

London, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by Hertford Media LTD

50-249

$ Min. $5,000+

$100 - $149 / hr

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

Custom Software Development

hertford-medi...

Web Development +1

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TIPi Group

London, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by TIPi Group

10-49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> Next.js </> Node.js +8

Custom Software Development Website Optimization Web Development +1

tipi-group.com

Web Development +1

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Lisa Web Design

Fulham, United Kingdom

Custom Responsive Web Design, WordPress Engineering & Local SEO Studio

10-49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> JavaScript </> PHP +4

E-Commerce Development

lisawebdesign...

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Blazon Agency

London, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by Blazon Agency

50-249

$ Min. $5,000+

$100 - $149 / hr

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

Custom Software Development

blazon-agency...

Web Development +2

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FAS Media

Farnham, United Kingdom

UK Creative Graphic Design, Custom Web Engineering & Print Studio

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> Lit </> AdonisJS </> JavaScript +2

API Development Graphic Design Web Development +1

fasmedia.co.uk

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sAIph Search

London, United Kingdom

Top-Rated Custom Web Engineering & SEO Optimization by sAIph Search

50-249

$ Min. $5,000+

$100 - $149 / hr

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

Custom Software Development

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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.