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Top JavaScript Agencies

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Demand Stack

Overland Park, United States

Top-Rated Custom Web Engineering & SEO Optimization by Demand Stack

50-249

$ Min. $5,000+

$100 - $149 / hr

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

Mobile App Development Web Development

demand-stack....

Web Development +1

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Webdigiex Solutions Private Limited

Newark, Germany

Top-Rated Custom Web Engineering & SEO Optimization by Webdigiex Solutions Private Limited

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

webdigiex-sol...

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Creatively Olivia

Peachtree Corners, Gabon

Bespoke Web Design Studio, Visual Branding & Webflow Consultancy

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</> React </> JavaScript </> Webflow +1

Email Marketing Graphic Design Web Design +2

creativelyoli...

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NVIZION Web Design

Sacramento, Canada

Custom WordPress Web Design, E-Commerce Engineering & Local SEO

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</> React </> JavaScript </> PHP +2

Web Design Web Development

nvizionsoluti...

Web Development +1

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Powell Creative, LLC

Nashville, Tunisia

Top-Rated Custom Web Engineering & SEO Optimization by Powell Creative, LLC

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

powell-creati...

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Kanaan & Co.

Scottsdale, Azerbaijan

Strategic Brand Identity & Modern Web Product Studio

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

Email Marketing Content Marketing Ecommerce Marketing +5

kanaanco.com

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TalenAlexander

Charlotte, United States

North Carolina Strategic Brand Architecture, Web Development & Marketing Studio

50-249

$ Min. $10,000+

$100 - $149 / hr

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</> React </> JavaScript </> WordPress +1

Social Media Marketing

talenalexande...

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Donstudio

Miami

European Custom Web Software Development, WordPress & Local SEO House

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

Email Marketing E-Commerce Development Pay Per Click +5

donstudio.com...

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Kseniia Design Studio

Seattle, United States

Top-Rated Custom Web Engineering & SEO Optimization by Kseniia Design Studio

50-249

$ Min. $5,000+

$100 - $149 / hr

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

Custom Software Development

kseniia-desig...

Web Development +1

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TechNovaTime

Washington

Top-Rated Custom Web Engineering & SEO Optimization by TechNovaTime

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

technovatime....

Web Development +1

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Atrax Designs

Sarasota, United States

Custom Website Design & Local Business Digital Engineering

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> JavaScript </> PHP </> MySQL +1

Digital Marketing Web Design Website Optimization +2

atraxdesigns....

Web Development +1

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GrowthIQ Digital

Berthoud, Colombia

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

10-49

$ Min. $10,000+

$50 - $99 / hr

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

E-Commerce Development Web Design Website Optimization +1

growthiq-digi...

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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.