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Top JavaScript Agencies

2,000 verified agencies available • Direct contact with verified engineering teams

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2,000 Agencies

Web Development +1

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ECommerce Partners

New York

Full-Service E-Commerce Platforms, Magento & Shopify Architecture

50 - 249

$ Min. $25,000+

$150 - $199 / hr

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

Email Marketing Social Media Marketing E-Commerce Development +3

ecommercepart...

Web Development +1

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Techpacity

Albany, United States

Custom Web Software Development, Enterprise IT & Cloud Engineering Studio

10-49

$ Min. $5,000+

$50 - $99 / hr

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

Custom Software Development

techpacity.com

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Noticestry

Mendon

Social Media Marketing Agency, Custom Web Design & Branding Studio

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</> React </> JavaScript </> WordPress

Email Marketing Social Media Marketing Pay Per Click +2

noticestry.com

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Creative House

New York

Creative Visual Branding & Performance Web Agency

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</> JavaScript </> WordPress </> Shopify +1

Social Media Marketing Marketing Strategy Web Design +3

creativehouse...

Web Development +1

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Lumina

New York

Custom Website Development & Responsive UX Interface Engineering

10 - 49

$ Min. $5,000+

$50 - $99 / hr

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

Mobile App Development Custom Software Development Web Design +2

luminadigital...

Web Development +2

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Creative360

New York, United States

Full-Service Digital Experience Studio, Web Development & Brand Design Firm

50-249

$ Min. $10,000+

$100 - $149 / hr

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

Search Engine Optimization

creative360.com

Web Development +1

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Launch Site LLC

Lindenhurst, United States

End-to-End Digital Transformation, Custom Software Engineering & UX Systems

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> React </> Node.js </> JavaScript +5

Custom Software Development Web Development UI/UX Design

launchsitellc...

Web Development +2

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Happy Cog

New York, United States

New York Premier Full-Service Digital Agency, Web Engineering & Performance Marketing

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> React </> Next.js </> Lit +11

API Development Affiliate Marketing Web Development +1

happycog.com

Web Development +1

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Alfatek Digital

New York

Modern Web Design, CRM Integration & Business Automation

2 - 9

$ Min. $5,000+

$50 - $99 / hr

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

Social Media Marketing Web Design UX/UI Design +3

alfatekdigita...

Web Development +1

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Stacknet

New York, United States

Custom Web Software Development, Enterprise IT & Cloud Engineering Studio

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> React </> Tailwind CSS </> Node.js +12

stacknet.io

Web Development +2

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Profit Labs

New York, United States

Performance Search SEO, PPC Advertising & Conversion Rate Tuning

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> Lit </> Hono </> AdonisJS +4

API Development Affiliate Marketing Conversion Optimization +1

profitlabs.com

Web Development +2

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Nessa

New York

UI/UX Design Studio & Front-End Mobile-Friendly Development

2 - 9

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Vue.js </> Tailwind CSS +2

Product Design E-Commerce Development Web Design +2

nessa.design

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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.