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Top JavaScript Developers

JavaScript powers everything from interactive websites to complex enterprise applications. Partnering with an experienced JavaScript development agency ensures your product is fast, secure, and ready to scale. Clutch makes it easy to find trusted providers by publishing in-depth, verified client reviews and transparent performance data. Use our filters to sort agencies by budget, location, framework expertise, and more. Looking for regional specialists? Browse firms in the United States, United Kingdom, or Canada to compare portfolios and pricing in your market. Start exploring today and shortlist partners that align with your goals.
Ratings Updated: December 21, 2025
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15 Leaders 15 Contenders

21,442 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

    What are Featured Providers?

    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

    4.9 87 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    50% Web Development
    50% Custom Software Development

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% Java
    10% PHP
    10% Python
    10% Rust
    10% SQL
    10% Scala
    10% Swift

    Digis, a Fiverr company (NYSE: FVRR), specializes in full-stack web development, providing comprehensive services such as web and mobile app development, front-end and back-end engineering, and UI/UX design. With over 90% positive feedback, clients consistently praise their technical expertise, seamless communication, and proactive project management, attributing significant business success and operational enhancements to Digis' contributions.

    See all 87 projects
    16 of 22 Web Development reviews are 5 stars
    1 new review for Web Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Development Staff Augmentation for Online Cooking Platform

    5.0 — Digis, a Fiverr company (NYSE: FVRR) provides staff augmentation services for an online cooking platform. The team is fully integrated into the client's existing agile squads and contributes to the Read more
    Read 22 Reviews

    Industry Experience

    Digis has demonstrated strong expertise across several industries, notably manufacturing, information technology, media, and education. Clients highlighted their effective project management, timely delivery, and high-quality work. In manufacturing, Digis improved website functionality, enhancing user experience. In IT, they provided specialized development support, notably in Scala and React, leading to increased efficiency. Overall, client feedback reflects a positive sentiment, suggesting strong alignment for projects across these sectors.

    Read All Reviews

    Select Industry to see insights

    Human Resources Software Consulting Information technology Telecommunications Education Advertising & marketing Other industries Financial services eCommerce Retail Other Industry Automotive IT Services Energy & natural resources Gaming Transportation Business services Real estate Legal Arts, entertainment & music Manufacturing Media

    Average Project Cost Breakdown

    $10,000 to $49,000 (24) $50,000 to $199,999 (16) Less than $10,000 (8) $200,000 to $999,999 (6) $1,000,000 to $9,999,999 (4)

    What Clients Have Said

    Clients consistently praised Digis for their competitive pricing and strong value for money. Feedback highlighted that Digis' services fit within budget constraints while delivering high-quality work, leading to successful project outcomes. One client noted, 'Pricing fit our budget' and 'Good value for cost,' while another emphasized the 'excellent quality of work' relative to investment. Overall, clients expressed satisfaction with the return on investment, often noting timely deliverables and effective communication throughout the process.
    Read All Reviews

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    United States (27) Germany (7) Ukraine (7) England (4) France (4) Israel (3) South Africa (2) Canada (2) Italy (2) Sweden (2) Spain (2) Ireland (1) Netherlands (1) New Zealand (1) Poland (1) Romania (1) Russia (1) Lithuania (1) Latvia (1) Japan (1) Australia (1) Georgia (1) Scotland (1) Estonia (1)
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  • Wecraft Media Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Plovdiv, Bulgaria

    Services provided

    10% Web Development
    20% Custom Software Development
    20% Product Design +5
    10% AI Development
    10% API Development
    10% E-Commerce Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    40% PHP
    20% jquery +2
    10% SQL
    10% Typescript

    Wecraft Media is a Product Design company. Located in Plovdiv, Bulgaria, their small team focuses on Product Design and Custom Software Development. The firm was established in 2012.

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  • Motiventive Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Toronto, Canada

    Services provided

    20% Web Development
    15% Cybersecurity
    15% Mobile App Development +9
    10% Cloud Consulting & SI
    5% Application Management & Support
    5% Application Testing
    5% Blockchain
    5% DevOps Managed Services
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design
    5% Web Design

    Focus Areas

    10% JavaScript
    10% C#
    10% Go +7
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% jquery

    Motiventive, a small website development firm, is in Toronto, Canada and Karachi, Pakistan. The team provides Web Development and Mobile App Development.

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  • HireAlbania Logotype

    HireAlbania

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    20% Branding
    20% Custom Software Development +2
    20% Graphic Design
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    40% Python
    25% Java +2
    15% SQL
    10% Kotlin

    HireAlbania is a branding firm. Their team is in Tiranë, Albania. The firm specializes in Branding and Graphic Design.

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  • Cuspex Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Katwa, India

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Search Engine Optimization +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    10% JavaScript
    25% Python
    20% SQL +4
    15% Other programming & scripting languages
    10% HTML5
    10% Java
    10% PHP

    Cuspex is a Digital Strategy company. The firm is based in Katwa, India. Their team specializes in Digital Strategy and Search Engine Optimization.

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  • NO Company Logotype

    NO Company

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49

    Services provided

    20% Web Development
    20% AI Development
    20% E-Commerce Development +2
    20% Mobile App Development
    20% Web Design

    Focus Areas

    10% JavaScript
    20% Python
    10% Kotlin +10
    10% Redux
    10% Typescript
    5% HTML5
    5% Objective C
    5% PHP
    5% SQL
    5% Swift
    5% Visual Basic
    5% XML
    5% jquery

    NO Company is a web design company. They are based in Surat, India, and their services include Web Design and Web Development.

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  • Muze Studios Logotype

    Muze Studios

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    10% Web Development
    25% AI Consulting
    25% AI Development +4
    15% AI Agents
    10% Custom Software Development
    10% Mobile App Development
    5% Generative AI

    Focus Areas

    20% JavaScript
    20% Typescript
    15% Python +8
    10% Go
    5% C
    5% C#
    5% C++
    5% PHP
    5% Redux
    5% Ruby
    5% SQL

    Muze Studios is an artificial intelligence development company. They provide Artificial Intelligence and AI Consulting and were established in 2024.

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  • The Shark Web Inc. Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Brooklyn, NY

    Services provided

    20% Web Development
    20% Conversion Optimization
    20% Graphic Design +2
    20% Pay Per Click
    20% Social Media Marketing

    Focus Areas

    10% JavaScript
    15% Redux
    15% jquery +6
    10% AJAX
    10% C++
    10% Java
    10% PHP
    10% Python
    10% SQL

    The Shark Web Inc. Is a social media marketing firm. They specialize in Social Media Marketing and Conversion Optimization and were launched in 2016. The firm is in Brooklyn, New York.

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  • Regal Streaming Solution Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    20% Web Development
    40% Advertising
    20% Application Management & Support +1
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    20% HTML5
    20% Java +3
    20% Python
    20% SQL
    10% Other programming & scripting languages

    Advertising company Regal Streaming Solution is in Ahmedabad, India. The team offers Advertising and Web Development.

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  • Leaping Mahuri Pvt. Ltd. Logotype

    Leaping Mahuri Pvt. Ltd.

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    20% Application Management & Support
    20% Custom Software Development +2
    20% Mobile App Development
    20% Robotics Process Automation

    Focus Areas

    10% JavaScript
    20% PHP
    10% HTML5 +6
    10% Other programming & scripting languages
    10% Python
    10% Redux
    10% Rust
    10% SQL
    10% Typescript

    Launched in 2018, Leaping Mahuri Pvt. Ltd., a small custom software development firm, is in Bharatpur, Nepal. Their services include Custom Software Development and Web Development.

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  • Bidea Factory Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Madrid, Spain

    Services provided

    20% Web Development
    20% API Development
    20% Custom Software Development +2
    20% DevOps Managed Services
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% Go
    10% HTML5
    10% Java
    10% Other programming & scripting languages
    10% Python
    10% SQL
    10% jquery

    Bidea Factory is a custom software development firm. Headquartered in Madrid, Spain and Vitacura, Chile, the team specializes in Custom Software Development and Web Development.

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  • Wavexcel Logotype

    Wavexcel

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    20% Web Development
    20% AI Agents
    20% Custom Software Development +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    10% JavaScript
    20% Kotlin
    20% PHP +4
    20% Swift
    10% HTML5
    10% Python
    10% Typescript

    Wavexcel is an UX agency. The firm is headquartered in Gurugram, India. Their team offers UX/UI Design and Custom Software Development.

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  • ZeniTech Solutions Logotype

    ZeniTech Solutions

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    20% API Development
    20% E-Commerce Development +2
    20% IoT Development
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% HTML5 +9
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% jquery
    5% Kotlin
    5% Swift
    5% Typescript
    5% Visual Basic

    Launched in 2018, ZeniTech Solutions is a website development company. Their team focuses on Web Development and Mobile App Development.

    Read more
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  • Pantheon Digital Private Limited Logotype

    Pantheon Digital Private Limited

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    20% Web Development
    20% CRM Consulting and SI
    20% Custom Software Development +2
    20% Mobile App Development
    20% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Ember.js +7
    10% Kotlin
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Redux
    10% Ruby
    10% SQL

    Pantheon Digital Private Limited is a web design agency. Based in New Delhi, India, the company focuses on Web Design and CRM consulting and SI.

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  • Cruxz IT Consulting Pvt. Ltd. Logotype

    Cruxz IT Consulting Pvt. Ltd.

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49

    Services provided

    15% Web Development
    15% Application Management & Support
    15% UX/UI Design +5
    15% Web Design
    10% AI Development
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Staff Augmentation

    Focus Areas

    15% JavaScript
    25% ASP.NET
    20% Python +4
    15% PHP
    10% HTML5
    10% jquery
    5% SQL

    Cruxz IT Consulting Pvt. Ltd. Is a web design agency. Their team is in Pune, India and provides Web Design and UX/UI Design.

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  • Aik Sath Digital Logotype

    Aik Sath Digital

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    25% Advertising
    20% Branding +2
    20% E-Commerce Development
    15% Graphic Design

    Focus Areas

    10% JavaScript
    20% Python
    20% Visual Basic +6
    10% Java
    10% PHP
    10% Ruby
    10% SQL
    5% C++
    5% Other programming & scripting languages

    Advertising company Aik Sath Digital was launched in 2021. Located in Lahore, Pakistan, the team specializes in Advertising and Branding.

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  • Entrike InfoTech LLP Logotype

    Entrike InfoTech LLP

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    20% Branding
    20% Search Engine Optimization +2
    20% Social Media Marketing
    20% UX/UI Design

    Focus Areas

    10% JavaScript
    20% AJAX
    20% PHP +3
    20% Python
    20% SQL
    10% HTML5

    Entrike InfoTech LLP is a branding company. The firm is headquartered in Kozhikode, India. Their team focuses on Branding and Social Media Marketing.

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  • Three Arrows Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Faisalabad, Pakistan

    Services provided

    20% Web Development
    20% AI Development
    20% IT Managed Services +2
    20% Mobile App Development
    20% Web Design

    Focus Areas

    10% JavaScript
    40% Python
    20% Redux +5
    10% HTML5
    5% Java
    5% Other programming & scripting languages
    5% PHP
    5% Typescript

    Three Arrows is a small Faisalabad, Pakistan-based web design agency. The team offers Web Design and IT managed services.

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  • NN Solutions Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Ulhasnagar, India

    Services provided

    20% Web Development
    20% CRM Consulting and SI
    20% ERP Consulting and SI +2
    20% Mobile App Development
    20% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% HTML5
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% SQL
    10% Typescript
    10% jquery

    NN Solutions is a web design agency. In Ulhasnagar, India, their team provides Web Design and CRM consulting and SI.

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  • Technovez Logotype

    Technovez

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% Custom Software Development +2
    20% IT Strategy Consulting
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    20% Java
    20% PHP +4
    20% Ruby
    10% C#
    10% C++
    10% Python

    Technovez is an IT strategy consulting company established in 2018. The team provides IT strategy consulting and cloud consulting & SI and is headquartered in Multan, Pakistan.

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  • Qflux Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Tallinn, Estonia

    Services provided

    10% Web Development
    10% AI Agents
    10% AI Consulting +7
    10% Branding
    10% Custom Software Development
    10% Cybersecurity
    10% E-Commerce Development
    10% Product Design
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    30% PHP
    15% Java +3
    15% SQL
    15% Typescript
    5% HTML5

    Qflux is a web design company. They are headquartered in Tallinn, Estonia, and their services include Web Design and UX/UI Design.

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  • Shivansh Outsourcing Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    10% JavaScript
    10% ASP
    10% ASP.NET +7
    10% C#
    10% HTML5
    10% Objective C
    10% PHP
    10% Swift
    10% Typescript
    10% jquery

    Web design agency Shivansh Outsourcing is located in Ahmedabad, India. They focus on Web Design and UX/UI Design.

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  • Enn Gee Ventures Logotype

    Enn Gee Ventures

    Not yet reviewed

    $10,000+
    < $25 / hr
    10 - 49

    Services provided

    15% Web Development
    20% Custom Software Development
    20% Mobile App Development +7
    15% AI Development
    5% AI Agents
    5% Generative AI
    5% Low/No Code Development
    5% Microservices Architecture Services
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    15% Kotlin
    15% Redux +4
    15% SQL
    15% Swift
    15% Typescript
    10% PHP

    Launched in 2025, Enn Gee Ventures is a small Sahibzada Ajit Singh Nagar, India-based software development company. Their services include Custom Software Development and Mobile App Development.

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  • Aarambhsoft Technologies Pvt. Ltd Logotype

    Aarambhsoft Technologies Pvt. Ltd

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    20% Custom Software Development
    20% E-Commerce Development +2
    20% Mobile App Development
    20% Web Design

    Focus Areas

    10% JavaScript
    40% PHP
    20% HTML5 +4
    10% AJAX
    10% jquery
    5% ASP.NET
    5% Typescript

    Aarambhsoft Technologies Pvt. Ltd is a web design company launched in 2025. Their services include Web Design and Custom Software Development.

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  • Uptrailz Logotype

    Uptrailz

    Not yet reviewed

    $100,000+
    $300+ / hr
    10 - 49

    Services provided

    20% Web Development
    20% Mobile App Development
    20% Pay Per Click +2
    20% Product Design
    20% Search Engine Optimization

    Focus Areas

    10% JavaScript
    10% Ember.js
    10% HTML5 +7
    10% Java
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% backbone.js
    10% jquery

    Uptrailz is a SEO agency located in Indore, India. They offer Search Engine Optimization and Pay Per Click and were established in 2025.

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  • Evolviq Digital Logotype

    Evolviq Digital

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Graphic Design +2
    20% Mobile App Development
    20% Search Engine Optimization

    Focus Areas

    10% JavaScript
    10% Ember.js
    10% Java +9
    10% Kotlin
    10% PHP
    10% Python
    10% SQL
    10% Swift
    5% ASP.NET
    5% Apex
    5% HTML5
    5% Other programming & scripting languages

    Evolviq Digital is a SEO services firm. Based in Karachi, Pakistan, the firm was launched in 2020. Their team specializes in Search Engine Optimization and Graphic Design.

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  • CGS-team Logotype

    5.0 15 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249
    Paphos, Cyprus

    Services provided

    25% Web Development
    35% Mobile App Development
    10% AI Development +3
    10% Blockchain
    10% Custom Software Development
    10% UX/UI Design

    Focus Areas

    30% JavaScript
    30% Python
    30% Typescript +1
    10% SQL

    CGS-team is a versatile web development company specializing in custom website development, web application development, and full-stack web development solutions. They consistently receive positive feedback, with approximately 95% of reviews noting their exceptional communication, commitment to client satisfaction, and ability to meet project milestones efficiently. Reviewers frequently commend their adaptability and attention to detail.

    See all 15 projects
    8 of 9 Web Development reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Web Dev & UX/UI Design for Law Firm

    5.0 — CGS-team provided web development and design services for a law firm. The team was responsible for branding, UI/UX design, software development, and project management. Read more
    Read 9 Reviews

    Industry Experience

    The CGS team has demonstrated expertise across multiple industries, notably in Education, Software, Information Technology, and Consumer Products. Reviews highlight their strengths in project management, technical proficiency, and adaptability, particularly in developing user-friendly platforms and applications. Feedback reflects high satisfaction with their communication and responsiveness, particularly in Education and Software sectors, suggesting a strong fit for clients seeking reliable development partnerships in these industries.

    Read All Reviews

    Select Industry to see insights

    Software Information technology Education Consumer Products Business services IT Services

    Average Project Cost Breakdown

    $10,000 to $49,000 (6) Less than $10,000 (3) $50,000 to $199,999 (1)

    What Clients Have Said

    Clients consistently commend CGS-team for their excellent value for money and competitive pricing. For instance, one CEO noted that CGS's pricing fit their budget while providing 'great value for cost.' Similarly, another client highlighted that CGS delivered quality work without charging extra for additional requests. Overall, feedback reflects a strong sentiment of satisfaction regarding the balance between cost and the quality of service provided, indicating CGS-team is perceived as a cost-effective choice for various projects.
    Read All Reviews

    More responsive than most other service providers

    CGS-team is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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  • Artworx Media Pvt Ltd Logotype

    Artworx Media Pvt Ltd

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    15% Web Development
    15% Mobile App Development
    15% Social Media Marketing +5
    15% Web Design
    10% CRM Consulting and SI
    10% ERP Consulting and SI
    10% Pay Per Click
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    10% Ember.js
    10% Java +7
    10% Kotlin
    10% Objective C
    10% PHP
    10% Redux
    10% SQL
    10% Swift
    10% Visual Basic

    Artworx Media Pvt Ltd specializes in Website Development, Web Design, and online development services, delivering excellent work as noted by their clients. Their technical support is highly praised, and they are recognized for their timely delivery and alignment with clients' values and budgets, making them a reliable partner for web programming needs.

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  • Theory Four Logotype

    Theory Four

    5.0 1 review
    $5,000+
    $25 - $49 / hr
    Freelancer

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +7
    10% Conversion Optimization
    10% Digital Strategy
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    40% JavaScript
    30% HTML5
    10% AJAX +3
    10% Other programming & scripting languages
    5% Typescript
    5% jquery

    We are the only UK agency leveraging theories from four of histories wisest minds to help startups win quicker. How much time and money are you losing without tapping into ancient wisdom for your

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  • Positive Studio Logotype

    Positive Studio

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer

    Services provided

    30% Web Development
    23% E-Commerce Development
    10% Graphic Design +8
    10% Logo
    10% Web Design
    5% Search Engine Optimization
    5% Social Media Marketing
    2% Print Design
    2% Product Design
    2% Video Production
    1% Translation

    Focus Areas

    20% JavaScript
    50% PHP
    30% SQL

    Positive Studio is a website development company. The Uzice, Serbia-based firm was established in 2018. Their team focuses on Web Development and E-Commerce Development.

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  • Coopersystem Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Brasília, Brazil

    Services provided

    30% Web Development
    40% Custom Software Development
    30% Mobile App Development

    Focus Areas

    25% JavaScript
    25% C#
    25% Java +1
    25% PHP

    In Brasília, Brazil, Coopersystem is a software development company. They focus on Custom Software Development and Mobile App Development and were launched in 1998.

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  • Kreovox Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    Freelancer
    Dreux, France

    Services provided

    40% Web Development
    35% Web Design
    5% Branding +4
    5% Digital Strategy
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    40% PHP
    30% Python +2
    10% ASP.NET
    10% XML

    Kreovox is a web development firm based in New York, New York and Dreux, France. Their services include Web Development and Web Design.

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  • OmairSols Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer
    Karachi, Pakistan

    Services provided

    40% Web Development
    20% Custom Software Development
    15% Mobile App Development +4
    10% AI Development
    5% AR/VR Development
    5% E-Commerce Development
    5% Web Design

    Focus Areas

    10% JavaScript
    50% ASP.NET
    20% Java +2
    10% C#
    10% Python

    OmairSols is a small website development company. Founded in 2018, the team specializes in Web Development and Custom Software Development.

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  • 7th Web Studio Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249
    Lahore, Pakistan

    Services provided

    10% Web Development
    10% Digital Strategy
    10% E-Commerce Development +7
    10% Graphic Design
    10% Logo
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    25% Ruby
    10% ASP +5
    10% ASP.NET
    10% C++
    10% PHP
    10% SQL
    10% Typescript

    Digital Strategy company 7th Web Studio is located in Lahore, Pakistan. They offer Digital Strategy and Social Media Marketing and were established in 2018.

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  • Lloyd Bryant Enterprise Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    Freelancer
    Ashford, England

    Services provided

    10% Web Development
    10% Advertising
    10% Branding +7
    10% Content Marketing
    10% Digital Strategy
    10% Direct Marketing
    10% E-Commerce Development
    10% Email Marketing
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    40% JavaScript
    10% Other programming & scripting languages
    10% PHP +4
    10% Python
    10% SQL
    10% Visual Basic
    10% XML

    Lloyd Bryant Enterprise is an Advertising company. The agency is based in Ashford, England. Their services include Advertising and Branding.

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  • Entexy Logotype

    Entexy

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    10% Web Development
    35% Mobile App Development
    20% AI Development +7
    10% AR/VR Development
    10% Low/No Code Development
    5% Blockchain
    4% Other Application Development
    2% Application Management & Support
    2% Application Testing
    2% E-Commerce Development

    Focus Areas

    15% JavaScript
    35% Kotlin
    35% Swift +3
    5% C#
    5% C++
    5% PHP

    Entexy is a midsize app development company located in Miami Beach, Florida and Miami Beach, Florida. Their services include Mobile App Development and Artificial Intelligence.

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  • Boltwood Digital Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Corscombe, England

    Services provided

    30% Web Development
    20% Email Marketing
    20% Search Engine Optimization +3
    10% Low/No Code Development
    10% Pay Per Click
    10% Web Design

    Focus Areas

    20% JavaScript
    80% PHP

    Boltwood Digital is a web development company. Headquartered in Corscombe, England, the team specializes in Web Development and Email Marketing.

    Read more
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  • OrbioSoft Technologies Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    50 - 249
    Mississauga, Canada

    Services provided

    10% Web Development
    25% Social Media Marketing
    10% Advertising +6
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design
    5% Content Marketing

    Focus Areas

    15% JavaScript
    20% Other programming & scripting languages
    15% SQL +5
    10% AJAX
    10% Java
    10% PHP
    10% Python
    10% Swift

    OrbioSoft Technologies is a social media marketing company launched in 2016. Their services include Social Media Marketing and Advertising.

    Read more
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  • NCU Technologies Logotype

    Not yet reviewed

    $250,000+
    $100 - $149 / hr
    50 - 249
    Dubai, United Arab Emirates

    Services provided

    10% Web Development
    65% Blockchain
    10% Custom Software Development +2
    10% Low/No Code Development
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    50% Typescript
    30% C# +1
    5% Redux

    Launched in 2019, NCU Technologies is a Blockchain company. The firm provides Blockchain and Custom Software Development.

    Read more
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  • EdgFuture Logotype

    EdgFuture

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249

    Services provided

    15% Web Development
    10% Advertising
    10% E-Commerce Development +12
    10% Social Media Marketing
    5% Branding
    5% Direct Marketing
    5% Ecommerce Marketing
    5% Event Marketing
    5% Fulfillment
    5% Logo
    5% Media Planning & Buying
    5% Other Digital Marketing
    5% Pay Per Click
    5% Search Engine Optimization
    5% Web Design

    Focus Areas

    10% JavaScript
    30% Python
    25% PHP +2
    25% Swift
    10% Other programming & scripting languages

    Web development company EdgFuture was launched in 2021. The agency specializes in Web Development and Advertising, and is midsize.

    Read more
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  • Sileo Technologies Pvt Ltd Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    50 - 249
    Bangaluru, India

    Services provided

    15% Web Development
    30% Mobile App Development
    20% Custom Software Development +3
    20% E-Commerce Development
    10% Low/No Code Development
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    30% Other programming & scripting languages
    25% ASP.NET +2
    20% PHP
    15% C#

    Sileo Technologies Pvt Ltd is a software development firm. They provide Custom Software Development and Mobile App Development and were founded in 2022.

    Read more
    View Profile
  • anomapro Logotype

    anomapro

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249

    Services provided

    15% Web Development
    25% Custom Software Development
    15% AI Development +6
    15% Mobile App Development
    10% E-Commerce Development
    5% AR/VR Development
    5% Application Testing
    5% IoT Development
    5% Other Application Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Ember.js +8
    10% HTML5
    10% Kotlin
    10% PHP
    10% Python
    10% Redux
    10% Swift
    5% Java
    5% Other programming & scripting languages

    In Bengaluru, India, anomapro is a software development firm. They offer Custom Software Development and Web Development and were launched in 2021.

    Read more
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  • Web Berserker Michał Sobczak Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    Freelancer
    Poznań, Poland

    Services provided

    35% Web Development
    35% E-Commerce Development
    15% Application Management & Support +2
    10% Custom Software Development
    5% IT Strategy Consulting

    Focus Areas

    15% JavaScript
    70% PHP
    5% AJAX +2
    5% HTML5
    5% SQL

    Web Berserker Michał Sobczak is a web development company. They were established in 2021 and focus on Web Development and E-Commerce Development.

    Read more
    View Profile
  • Wujeez LLC Logotype

    Wujeez LLC

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer

    Services provided

    25% Web Development
    25% E-Commerce Development
    25% IT Staff Augmentation +1
    25% Mobile App Development

    Focus Areas

    25% JavaScript
    25% PHP
    15% Redux +3
    15% Typescript
    10% Java
    10% Python

    Wujeez LLC, an IT staff augmentation company, is headquartered in Sheridan, Wyoming. Established in 2023, the team provides IT staff augmentation and Web Development.

    Read more
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  • Technobooks Consultants FZCO Logotype

    Technobooks Consultants FZCO

    Not yet reviewed

    Undisclosed
    < $25 / hr
    50 - 249

    Services provided

    10% Web Development
    17% Mobile App Development
    13% Low/No Code Development +15
    10% E-Commerce Development
    5% Application Testing
    5% Business Consulting
    5% Finance & Accounting Outsourcing (FAO)
    5% Fractional CFO Services
    5% IT Strategy Consulting
    5% Search Engine Optimization
    3% Ecommerce Marketing
    3% Email Marketing
    3% Financial Consulting
    3% Mobile & App Marketing
    3% Social Media Marketing
    3% UX/UI Design
    1% Custom Software Development
    1% Web Design

    Focus Areas

    15% JavaScript
    30% Python
    25% Redux +2
    15% Kotlin
    15% SQL

    Technobooks Consultants FZCO is an app development firm founded in 2020. Their team specializes in Mobile App Development and Web Development.

    Read more
    View Profile
  • URU Systems Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    50 - 249
    Westerville, OH

    Services provided

    10% Web Development
    10% AI Development
    10% API Development +7
    10% Application Testing
    10% Blockchain
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% IT Staff Augmentation
    10% IoT Development
    10% Robotics Process Automation

    Focus Areas

    15% JavaScript
    10% ASP.NET
    10% HTML5 +7
    10% Java
    10% Kotlin
    10% PHP
    10% Python
    10% SQL
    10% Swift
    5% Typescript

    Cloud consulting & SI company URU Systems was established in 2023. The firm provides cloud consulting & SI and IT staff augmentation.

    Read more
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  • Bögözi Logotype

    Bögözi

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    Freelancer

    Services provided

    15% Web Development
    15% E-Commerce Development
    15% Enterprise App Modernization +5
    15% Search Engine Optimization
    10% Business Consulting
    10% Cloud Consulting & SI
    10% Corporate Training & Coaching
    10% Web Design

    Focus Areas

    35% JavaScript
    25% HTML5
    20% PHP +1
    20% Typescript

    Bögözi is a SEO agency. The team is in Targu Secuiesc, Romania, and their services include Search Engine Optimization and Web Development.

    Read more
    View Profile
  • Aman Gulia - Web Developer Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer
    Toronto, Canada

    Services provided

    10% Web Development
    10% Branding
    10% Content Writing Services +7
    10% E-Commerce Development
    10% ERP Consulting and SI
    10% Email Marketing
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    40% JavaScript
    20% HTML5
    15% PHP +3
    10% AJAX
    10% jquery
    5% Other programming & scripting languages

    Aman Gulia - Web Developer, a branding firm, was founded in 2021. They offers Branding and Social Media Marketing.

    Read more
    View Profile
  • Devotus Consulting Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    Stolzenau, Germany

    Services provided

    25% Web Development
    50% Social Media Marketing
    25% Pay Per Click

    Focus Areas

    25% JavaScript
    25% HTML5
    25% Python +1
    25% SQL

    Devotus Consulting, a small social media marketing firm, is in Stolzenau, Germany. Their services include Social Media Marketing and Pay Per Click.

    Read more
    View Profile
  • Techminds Consulting Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    San Andrés Cholula, Mexico

    Services provided

    25% Web Development
    25% E-Commerce Development
    25% ERP Consulting and SI +1
    25% IoT Development

    Focus Areas

    25% JavaScript
    25% Java
    25% PHP +1
    25% Python

    Techminds Consulting is a small ERP consulting and SI company founded in 2023. Their services include ERP consulting and SI and Web Development.

    Read more
    View Profile
  • Thread and Pixel Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    Freelancer
    Chattanooga, TN

    Services provided

    30% Web Development
    40% Web Design
    10% Branding +2
    10% Low/No Code Development
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    40% HTML5
    20% PHP +1
    20% Typescript

    Web design company Thread and Pixel is headquartered in Chattanooga, Tennessee. They specialize in Web Design and Web Development.

    Read more
    View Profile

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Ability to deliver
Focus
Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Brainhub
2 xfive
3 ImageX
4 The Software House
5 ATEAM SOFT SOLUTIONS
6 Airdev
7 Xmartlabs
8 Toptal
9 Softonix
10 INOXOFT
11 Lizard Global
12 PopArt Studio
13 GeekyAnts
14 SpdLoad
15 Techuz InfoWeb Pvt. Ltd.

List of the Top 15 JavaScript Development Companies

  1. Brainhub Logotype

    Brainhub

    $50,000+
    $50 - $99 / hr
    50 - 249
    Gliwice, Poland

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  2. xfive Logotype

    xfive

    $25,000+
    $50 - $99 / hr
    50 - 249
    Kraków, Poland

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  3. ImageX Logotype

    ImageX

    $75,000+
    $100 - $149 / hr
    50 - 249
    Vancouver, Canada

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    90% Web Development
    50% JavaScript
    10% Other
    View Profile Visit Website
  4. The Software House Logotype

    The Software House

    $10,000+
    $50 - $99 / hr
    50 - 249
    Gliwice, Poland

    Ability to deliver

    39.4/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    60% JavaScript
    55% Other
    View Profile Visit Website
  5. ATEAM SOFT SOLUTIONS Logotype

    ATEAM SOFT SOLUTIONS

    $10,000+
    < $25 / hr
    250 - 999
    Thiruvananthapuram, India

    Ability to deliver

    37.7/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    50% Web Development
    50% JavaScript
    50% Other
    View Profile Visit Website
  6. Airdev Logotype

    Airdev

    $10,000+
    Undisclosed
    50 - 249
    San Francisco, CA

    Ability to deliver

    38.9/40.0
    19.6/20 Reviews
    9.6/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  7. Xmartlabs Logotype

    Xmartlabs

    $10,000+
    $50 - $99 / hr
    50 - 249
    Montevideo, Uruguay

    Ability to deliver

    39.3/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    50% Web Development
    35% JavaScript
    50% Other
    View Profile Visit Website
  8. Toptal Logotype

    Toptal

    $50,000+
    $100 - $149 / hr
    1,000 - 9,999
    San Francisco, CA

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  9. Softonix Logotype

    Softonix

    $5,000+
    $25 - $49 / hr
    50 - 249
    L'viv, Ukraine

    Ability to deliver

    36.9/40.0
    18/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  10. INOXOFT Logotype

    INOXOFT

    $25,000+
    $25 - $49 / hr
    50 - 249
    Newark, DE

    Ability to deliver

    40/40.0
    20/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  11. Lizard Global Logotype

    Lizard Global

    $10,000+
    $50 - $99 / hr
    50 - 249
    Kuala Lumpur, Malaysia

    Ability to deliver

    39.3/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    30% Web Development
    70% JavaScript
    70% Other
    View Profile Visit Website
  12. PopArt Studio Logotype

    PopArt Studio

    $5,000+
    $50 - $99 / hr
    50 - 249
    Chicago, IL

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    35% Web Development
    40% JavaScript
    65% Other
    View Profile Visit Website
  13. GeekyAnts Logotype

    GeekyAnts

    $10,000+
    $25 - $49 / hr
    250 - 999
    San Francisco, CA

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    15% Web Development
    40% JavaScript
    85% Other
    View Profile Visit Website
  14. SpdLoad Logotype

    SpdLoad

    $50,000+
    $25 - $49 / hr
    50 - 249
    Kharkiv, Ukraine

    Ability to deliver

    36.8/40.0
    17/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  15. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

    $5,000+
    < $25 / hr
    50 - 249
    Ahmedabad, India

    Ability to deliver

    36.8/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  16. HTMLPanda Logotype

    HTMLPanda

    $1,000+
    < $25 / hr
    250 - 999
    Walpole, MA

    Ability to deliver

    35.9/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  17. Sigma Software Group Logotype

    Sigma Software Group

    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    L'viv, Ukraine

    Ability to deliver

    38.8/40.0
    19/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    21% Web Development
    18% JavaScript
    79% Other
    View Profile Visit Website
  18. Incora Logotype

    Incora

    $25,000+
    $25 - $49 / hr
    50 - 249
    L'viv, Ukraine

    Ability to deliver

    37.2/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  20. Cleveroad Logotype

    Cleveroad

    $10,000+
    $25 - $49 / hr
    250 - 999
    New York, NY

    Ability to deliver

    40/40.0
    20/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    30% Web Development
    15% JavaScript
    70% Other
    View Profile Visit Website
  21. Brainium Information Technologies Logotype

    Brainium Information Technologies

    $10,000+
    < $25 / hr
    250 - 999
    Kolkata, India

    Ability to deliver

    36.3/40.0
    19/20 Reviews
    9/10 Clients & Experience
    8.4/10 Market Presence

    Service focus

    35% Web Development
    30% JavaScript
    65% Other
    View Profile Visit Website
  22. WPWeb Infotech Logotype

    WPWeb Infotech

    $5,000+
    < $25 / hr
    50 - 249
    Ahmedabad, India

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    65% Web Development
    20% JavaScript
    35% Other
    View Profile Visit Website
  23. Experion Technologies Logotype

    Experion Technologies

    $10,000+
    $25 - $49 / hr
    1,000 - 9,999
    Plano, TX

    Ability to deliver

    36.9/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
    View Profile Visit Website
  24. Human Made Logotype

    Human Made

    $50,000+
    $150 - $199 / hr
    50 - 249
    Matlock, England

    Ability to deliver

    38.2/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    100% Web Development
    30% JavaScript
    View Profile Visit Website
  25. Probey Services Logotype

    Probey Services

    $1,000+
    < $25 / hr
    1,000 - 9,999
    Los Angeles, CA

    Ability to deliver

    36.9/40.0
    19.6/20 Reviews
    9.3/10 Clients & Experience
    8/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
    View Profile Visit Website
  26. Blazity Logotype

    Blazity

    $10,000+
    $50 - $99 / hr
    10 - 49
    Warszawa, Poland

    Ability to deliver

    37.8/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  27. XWP Logotype

    XWP

    $50,000+
    $150 - $199 / hr
    50 - 249
    New York, NY

    Ability to deliver

    35.9/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  28. Vincit Logotype

    Vincit

    $50,000+
    $150 - $199 / hr
    250 - 999
    Irvine, CA

    Ability to deliver

    36.4/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
    View Profile Visit Website
  29. PowerGate Software Logotype

    PowerGate Software

    $10,000+
    < $25 / hr
    250 - 999
    Hanoi, Vietnam

    Ability to deliver

    37.9/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    30% Web Development
    21% JavaScript
    70% Other
    View Profile Visit Website
  30. Arcanys Logotype

    Arcanys

    $100,000+
    $25 - $49 / hr
    250 - 999
    Cebu City, Philippines

    Ability to deliver

    38.1/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    8.7/10 Market Presence

    Service focus

    30% Web Development
    20% JavaScript
    70% Other
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Top JavaScript Development Agencies

A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.

Most agencies bundle multiple offerings so clients can access full product life-cycle support:

  • Discovery workshops & technical consulting
  • UI/UX design and prototyping
  • Front-end SPA or PWA development
  • Server-side development with Node.js or Deno
  • API design, GraphQL, and microservices architecture
  • QA automation & performance testing
  • DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
  • Post-launch maintenance and feature sprints

Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.

Clutch data shows project budgets range widely:

  • MVP or small web app - $15,000–$50,000
  • Mid-size product build - $50,000–$200,000
  • Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.

  • Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
  • Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
  • Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
  • Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
  • Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.

Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.

  • Guaranteed timelines without discovery
  • No access to source code repositories during the engagement
  • Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
  • Low developer retention or high turnover
  • Vague pricing models or hidden fees

If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution

  • Which JavaScript frameworks do you specialize in, and why?
  • Can you walk me through a recent project with similar complexity?
  • How do you ensure code quality—linting, peer reviews, automated tests?
  • What is your approach to scalability and performance optimization?
  • How will we communicate and track progress (tools, meeting cadence)?
  • Who owns the intellectual property and source code upon project completion?

Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.

A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

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