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 +24

VERIFIED

ApplogiQ

Tiruppur, India +2

Enable Your Next Generation Digital Experience With Us - ApplogiQ

51-100

$ Min. $5,000+

$25 - $49 / hr

No reviews yet · Write review

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

AR/VR Development Custom Software Development AI Development +5

applogiq.org

Web Development +2

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LAYER

London, United Kingdom

World-Class Industrial Design, Experience Architecture & Digital Product Studio

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> Lit </> FastAPI </> JavaScript +1

Graphic Design Web Development UI/UX Design +1

layer.design

Web Development +2

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Humberstone-Garley Ltd

London, United Kingdom

Custom Web Design, Responsive WordPress Engineering & Digital Publishing

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> JavaScript </> PHP </> WordPress +1

Graphic Design Web Design Web Development +1

hg-web.co.uk

Web Development +2

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ArchiCGI

London, United Kingdom

World-Class Architectural 3D Rendering, Animation & Immersive CGI Studio

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> Lit </> JavaScript </> Webflow +2

API Development Graphic Design Web Development +1

archcgi.com

Web Development +1

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Universal Brands Hub

London, United Kingdom

Enterprise Software Engineering Team & Custom Products

50 - 249

$ Min. $15,000+

$50 - $99 / hr

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

Mobile App Development E-Commerce Development Pay Per Click +5

universalbran...

Web Development +1

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Brupace Digital Limited

London, United Kingdom

Forward-Thinking Creative Tech, Digital Strategy & Engineering

10 - 49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Node.js </> JavaScript +3

Mobile App Development Custom Software Development Product Design +8

brupace.co.uk

Web Development

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startanonline

London, United Kingdom

E-Commerce Launch Architecture, Shopify Storefronts & Web Marketing

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> React </> JavaScript </> PHP +3

Digital Strategy E-Commerce Development Branding +2

startanonline...

Web Development +2

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Brantum LTD

London, United Kingdom

Comprehensive Web Design & Mobile App Development (iOS/Android)

10 - 49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> Node.js </> JavaScript +4

Mobile App Development Social Media Marketing Web Design +5

brantum.co.uk

Web Development +1

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Elevate Studio

London, United Kingdom

Startup Brand Sprints, Product UX Design & Converting Websites

2 - 9

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Tailwind CSS </> Node.js +3

Product Design Web Design Logo +2

elevatestudio...

Web Development +1

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Swift Design Hub

London, United Kingdom

Custom Responsive Web Engineering, Visual Branding & Graphic Design Studio

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> JavaScript </> Swift +3

Graphic Design Branding Web Development +1

swiftdesignhu...

Web Development +1

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Untapped

London, United Kingdom

Ambitious-to-Established Mobile App & Website Engineering

10 - 49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> Node.js </> JavaScript +4

Mobile App Development Application Testing AI Development +7

untappedagenc...

Web Development +2

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Creatomatic

Lockerbie, United Kingdom

Custom Responsive Web Design, WordPress Portals & E-Commerce Engineering

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> Lit </> Hono </> AdonisJS +5

API Development SMS Marketing Affiliate Marketing +1

creatomatic.c...

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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.