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Top JavaScript Agencies

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2,000 Agencies

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Kreativa Studio

Sisak, Croatia

Top-Rated Custom Web Engineering & SEO Optimization by Kreativa Studio

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

kreativa.studio

Web Development +2

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You Exist — UX

Sydney, Australia

European Bespoke UI/UX Architecture, Design Systems & Webflow Studio

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</> React </> Tailwind CSS </> JavaScript +2

Web Design Application Management & Support Web Development +1

youexist.design

Web Development +2

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Art & Code Studio

Novi Sad, Serbia

Top-Rated Custom Web Engineering & SEO Optimization by Art & Code Studio

50-249

$ Min. $10,000+

$100 - $149 / hr

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

Mobile App Development Web Development

art-code-stud...

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ZIPL Web Studio

Odesa, Ukraine

European Custom Web Software Development, WordPress & Local SEO House

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</> Laravel </> JavaScript </> PHP +3

Web Design UX/UI Design Low/No Code Development +1

zipl.com.ua

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Fluidesigns

Mumbai, India

Human-Centered UI/UX Design & Digital Product Studio

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</> React </> JavaScript </> Webflow +2

Product Design UX/UI Design

fluidesigns.in

Web Development +2

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Funktional

Krakow, Poland

Bespoke Brand Strategy Architecture, UI/UX Design & Web Experience

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> Lit </> AdonisJS </> JavaScript +3

API Development Graphic Design Web Development +1

funktional.pl

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CI&T

Oakland, Canada

Global Enterprise AI Digital Transformation & Cloud Engineering Firm

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

Custom Software Development AI Development UX/UI Design +2

ciandt.com

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Phionike Design-Tech Studio

Mumbai, India

Boutique Digital Design & Full-Stack Tech Studio

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</> React </> Tailwind CSS </> Node.js +4

Product Design Other Design UX/UI Design +1

phionike.com

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QClay

Kyiv, Ukraine

3D Visual Illustration & UI/UX Product Design Studio

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</> React </> JavaScript </> Webflow +2

Product Design Web Design Branding +3

qclay.design

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Stenik

Sofia, Bulgaria

European Enterprise E-Commerce Software, Magento 2 & Shopware House

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</> Vue.js </> Symfony </> JavaScript +6

E-Commerce Development Web Design Business Consulting +1

stenik.bg

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Lift Interactive Inc.

Edmonton, Canada

Digital Strategy, Brand Experience & Web Development Studio

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

Digital Strategy Branding UX/UI Design +1

liftinteracti...

Web Development +2

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Brewex

Prague, Czech Republic

Agile UX/UI Design Studio & Proactive User-Centered Layouts

2 - 9

$ Min. $5,000+

$50 - $99 / hr

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

UX/UI Design

brewex.io

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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.