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Home Web Developers JavaScript

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

    Reviews mention Reasonable pricing

    Overall sentiment regarding Digis' pricing is highly positive, as multiple clients noted their competitive rates and good value for cost. One client specifically mentioned that Digis offered 'great prices and a suitable schedule,' while another highlighted the 'quality to cost ratio' as impressive. Additionally, clients expressed satisfaction with how Digis' pricing fit their budgets and aligned with their expectations, further solidifying their reputation for reasonable pricing in the industry.
    • IT Staff Augmentation for Software Dev Company
      5.0 Dec 31, 2023

      We appreciated how DIGIS consistently met deadlines with high-quality work. Their team communicates effectively in English, making the collaboration seamless. Overall, they offer excellent value for the price, making them a standout choice.

      Read Full Review
    • Development for Media Company
      5.0 Feb 13, 2019

      The quality to cost ratio DIGIS provided was impressive. They offered very competitive prices and adhered to the schedule we set. Based on our research, we had expected higher costs.

      Read Full Review
    Read All Reviews
    6 of 6 reviews are 5 stars
    1 new review for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 6 times in the past 6 months

    Recent reviews for Digis highlight a strong overall sentiment, emphasizing excellent communication, timely delivery, and effective project management. Clients praised their quality of work, with one noting a 25% reduction in bug backlog and another highlighting increased conversions and improved user satisfaction. Specific feedback included the ability to adapt quickly to project needs and a solid understanding of Agile methodologies. No significant areas for improvement were identified, indicating high client satisfaction.
    Read 6 Recent Reviews
    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

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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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  • CODINGBRACKETS Logotype

    CODINGBRACKETS

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49

    Services provided

    20% Web Development
    10% Custom Software Development
    10% E-Commerce Development +6
    10% Low/No Code Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% HTML5 +10
    10% PHP
    10% Python
    10% SQL
    10% jquery
    5% AJAX
    5% ASP
    5% Objective C
    5% Redux
    5% Typescript
    5% XML

    CODINGBRACKETS, a web design company, is based in Lucknow, India. Established in 2013, the team provides Web Design and Web Development.

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  • Flowrec Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Generative AI
    20% IT Staff Augmentation +4
    15% DevOps Managed Services
    15% UX/UI Design
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% Other programming & scripting languages
    20% PHP +2
    20% Python
    20% Redux

    IT staff augmentation company Flowrec was launched in 2018. The firm focuses on IT staff augmentation and Generative AI, and is small.

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  • Kewys Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    10 - 49
    Cúcuta, Colombia

    Services provided

    20% Web Development
    20% Custom Software Development
    20% IT Staff Augmentation +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    10% JavaScript
    10% HTML5
    10% Java +7
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% Swift
    10% Typescript
    10% jquery

    Kewys is an user experience company. Launched in 2021, the agency specializes in UX/UI Design and IT staff augmentation.

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    More responsive than most other service providers

    Kewys 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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  • BgroTech Logotype

    BgroTech

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    20% JavaScript
    20% HTML5
    20% SQL +3
    20% Visual Basic
    10% PHP
    10% Python

    Located in Delhi, India, BgroTech is a Digital Strategy company. Launched in 2020, the team specializes in Digital Strategy and Social Media Marketing.

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  • CYBER CRESCENT Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Nashik, India

    Services provided

    20% Web Development
    20% Social Media Marketing
    20% Web Design +4
    10% Custom Software Development
    10% Email Marketing
    10% Graphic Design
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    20% PHP
    20% SQL +7
    15% HTML5
    10% Other programming & scripting languages
    5% AJAX
    5% Typescript
    5% Visual Basic
    5% XML
    5% jquery

    Launched in 2018, CYBER CRESCENT is a social media marketing company. Their services include Social Media Marketing and Web Design.

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  • Connex Dotz Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Chennai, India

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Content Marketing +7
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Managed Services
    10% Pay Per Click
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% PHP +4
    10% AJAX
    10% Python
    10% SQL
    10% XML

    Connex Dotz is a Content Marketing company. They provide Content Marketing and Search Engine Optimization and were founded in 2022.

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  • Dhitech Solutions Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    10% ASP
    10% ASP.NET +7
    10% Go
    10% Java
    10% Python
    10% SQL
    10% Typescript
    10% XML
    10% jquery

    Dhitech Solutions is a small cloud consulting & SI company. Launched in 2022, the team provides cloud consulting & SI and Custom Software Development.

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  • Namish Software Pvt Ltd Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Greater Noida, India

    Services provided

    10% Web Development
    10% API Development
    10% Application Management & Support +12
    10% Enterprise App Modernization
    10% Mobile App Development
    5% AI Development
    5% Application Testing
    5% Cloud Consulting & SI
    5% DevOps Managed Services
    5% Generative AI
    5% IT Staff Augmentation
    5% IoT Development
    5% Microservices Architecture Services
    5% Staffing
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    25% Python
    15% Java +5
    15% Swift
    10% Kotlin
    5% Go
    5% HTML5
    5% SQL

    Namish Software Pvt Ltd, a website development firm, was founded in 2024. The team offers Web Development and Mobile App Development and is based in Greater Noida, India.

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  • Verko Marketing Logotype

    Verko Marketing

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49

    Services provided

    10% Web Development
    25% Search Engine Optimization
    20% Branding +3
    20% Social Media Marketing
    15% Low/No Code Development
    10% Custom Software Development

    Focus Areas

    20% JavaScript
    60% Python
    20% C#

    Small SEO agency Verko Marketing, is located in Singapore and Seoul, South Korea. Their services include Search Engine Optimization and Branding.

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  • Magnetar Solutions Logotype

    Magnetar Solutions

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Consulting
    10% AI Development +7
    10% Blockchain
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% Mobile App Development
    10% Robotics Process Automation

    Focus Areas

    20% JavaScript
    40% Python
    15% SQL +3
    15% Typescript
    5% Redux
    5% Ruby

    Magnetar Solutions is a web development company. Their small team of employees is based in Houston, Texas. Their team offers Web Development and IT strategy consulting.

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  • AltronixSoft Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    10% AI Development +5
    10% API Development
    10% Application Management & Support
    10% Custom Software Development
    10% Low/No Code Development
    10% Microservices Architecture Services

    Focus Areas

    10% JavaScript
    20% Java
    15% Typescript +7
    10% HTML5
    10% Rust
    10% SQL
    10% XML
    5% PHP
    5% Python
    5% jquery

    AltronixSoft is a software development company. The agency is in Tallinn, Estonia and Kyiv, Ukraine. Their team specializes in Custom Software Development and Web Development.

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  • WEBSITE DEVELOPMENT LLC Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Email Marketing +3
    20% Pay Per Click
    20% Social Media Marketing
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Java +2
    20% PHP
    20% SQL

    Social media marketing company WEBSITE DEVELOPMENT LLC is based in Tampa, Florida. Launched in 2017, the team offers Social Media Marketing and Email Marketing.

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  • Haider Technologies Logotype

    Haider Technologies

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    20% UX/UI Design +4
    10% AI Development
    10% E-Commerce Development
    10% Product Design
    10% Web Design

    Focus Areas

    10% JavaScript
    20% Java
    15% HTML5 +5
    15% SQL
    10% C#
    10% Go
    10% PHP
    10% Python

    Established in 2020, Haider Technologies, a small UX design agency, is based in St. Petersburg, Florida and Karachi, Pakistan. Their services include UX/UI Design and Web Development.

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  • teams.pk Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% AI Development
    20% IoT Development +3
    20% Mobile App Development
    20% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    30% PHP
    20% Typescript +3
    10% HTML5
    10% Python
    10% Redux

    UX design agency teams.pk was established in 2005. The company offers UX/UI Design and Web Development.

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  • Lead Softwares LLC Logotype

    Lead Softwares LLC

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Application Testing +7
    10% Custom Software Development
    10% E-Commerce Development
    10% Low/No Code Development
    10% Mobile App Development
    10% UX/UI Design
    10% Wearable App Development
    10% Web Design

    Focus Areas

    20% JavaScript
    30% Typescript
    15% Redux +6
    10% AJAX
    5% PHP
    5% Python
    5% Rust
    5% Swift
    5% jquery

    Based in Multan, Pakistan, Lead Softwares LLC is a web design company. They offer Web Design and UX/UI Design and were launched in 2021.

    Read more
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  • Sourceblink Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Mobile App Development
    10% Custom Software Development +6
    10% DevOps Managed Services
    10% Email Marketing
    10% Low/No Code Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    15% SQL
    15% Swift +5
    10% HTML5
    10% Kotlin
    10% PHP
    10% Python
    10% Ruby

    Sourceblink is a small Lahore, Pakistan-based mobile app development firm. Their services include Mobile App Development and Custom Software Development.

    Read more
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  • altBIG Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Branding
    20% Content Marketing +3
    20% Search Engine Optimization
    20% Social Media Marketing
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    25% PHP
    25% Python +2
    20% Java
    10% HTML5

    Branding firm altBIG was founded in 2024. The firm specializes in Branding and Social Media Marketing.

    Read more
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  • Futurista Soft Private Limited Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Graphic Design
    20% Mobile App Development +3
    20% Search Engine Optimization
    20% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% Kotlin
    20% Redux +2
    20% SQL
    20% Swift

    In Mohali, India and Oakland, California, Futurista Soft Private Limited is a SEO services firm. They specialize in Search Engine Optimization and UX/UI Design.

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  • Mercatique Consultant Logotype

    Mercatique Consultant

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Content Marketing
    20% Search Engine Optimization +3
    20% Social Media Marketing
    20% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Other programming & scripting languages +2
    20% PHP
    20% SQL

    Launched in 2024, Mercatique Consultant is a small Valsad, India-based social media marketing agency. Their team focuses on Social Media Marketing and Content Marketing.

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  • Mart Softwares Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Addis Ababa, Ethiopia

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Graphic Design +3
    20% Mobile App Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    10% C#
    10% Java +13
    10% Other programming & scripting languages
    5% ASP
    5% ASP.NET
    5% C
    5% C++
    5% HTML5
    5% Kotlin
    5% PHP
    5% Python
    5% SQL
    5% Scala
    5% XML
    5% jquery

    Launched in 2023, Mart Softwares is a web design agency. The small team specializes in Web Design and Graphic Design.

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  • Aura Health Logotype

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    10 - 49
    Zagreb, Croatia

    Services provided

    20% Web Development
    25% Custom Software Development
    20% Mobile App Development +2
    20% UX/UI Design
    15% AI Development

    Focus Areas

    10% JavaScript
    10% Java
    10% Other programming & scripting languages +12
    10% Python
    10% Ruby
    5% ASP.NET
    5% C#
    5% C++
    5% Ember.js
    5% HTML5
    5% Kotlin
    5% PHP
    5% SQL
    5% Swift
    5% jquery

    Aura Health is a custom software development company. They are headquartered in Zagreb, Croatia. Their team specializes in Custom Software Development and UX/UI Design.

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  • Tensorblue Logotype

    Tensorblue

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AR/VR Development
    20% Custom Software Development +2
    20% Generative AI
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Apex +7
    10% C++
    10% Ember.js
    10% Java
    10% PHP
    10% Python
    10% Ruby
    10% Swift

    Tensorblue is a small custom software development firm. They focus on Custom Software Development and Web Development and were established in 2022.

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  • Virtuloom Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Dubai, United Arab Emirates

    Services provided

    20% Web Development
    20% AI Development
    20% IT Strategy Consulting +3
    20% Mobile App Development
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    10% C#
    10% C++ +7
    10% HTML5
    10% Java
    10% Kotlin
    10% PHP
    10% Python
    10% SQL
    10% Visual Basic

    Virtuloom is a small IT strategy consulting company. They specialize in IT strategy consulting and Custom Software Development and were established in 2020.

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  • Fx Garage SRL Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Sfântu Gheorghe, Romania

    Services provided

    20% Web Development
    40% Custom Software Development
    20% IT Strategy Consulting +2
    10% IoT Development
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    10% C
    10% C++ +7
    10% Java
    10% Objective C
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% Typescript

    Fx Garage SRL is a software development firm established in 2015. The firm provides Custom Software Development and IT strategy consulting.

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  • CodnestX Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% AI Development
    20% E-Commerce Development +3
    20% Mobile App Development
    20% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% C#
    20% PHP +2
    20% Python
    20% SQL

    Located in Ahmedabad, India, CodnestX is an UX company. They focus on UX/UI Design and Mobile App Development and were established in 2019.

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  • Growmoon Logotype

    Growmoon

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Mobile App Development
    25% Custom Software Development +2
    15% API Development
    10% Blockchain

    Focus Areas

    10% JavaScript
    30% PHP
    20% Kotlin +3
    15% SQL
    15% XML
    10% Java

    Growmoon, a mobile application development company, specialize in Mobile App Development and Custom Software Development. They were founded in 2019.

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  • Murmu Software Infotech Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    20% Social Media Marketing
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    20% ASP.NET
    15% C# +8
    15% SQL
    10% PHP
    5% AJAX
    5% HTML5
    5% Swift
    5% Typescript
    5% XML
    5% jquery

    Murmu Software Infotech is a social media marketing agency. They are in Ranchi, India and have small team. They provide Social Media Marketing and Web Design.

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  • Anantax Technologies Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Application Management & Support
    20% Cybersecurity +3
    20% DevOps Managed Services
    20% Mobile App Development
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% Kotlin
    20% PHP +2
    20% Python
    20% Swift

    Anantax Technologies is a Cybersecurity company. The team is in Rajkot, India, and their services include Cybersecurity and Web Development.

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  • EHRAA Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    New Delhi, India

    Services provided

    20% Web Development
    20% CRM Consulting and SI
    20% E-Commerce Development +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    10% JavaScript
    10% ASP
    10% ASP.NET +7
    10% C#
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% SQL
    10% Typescript

    EHRAA is a small CRM consulting and SI company headquartered in New Delhi, India. The team focuses on CRM consulting and SI and ERP consulting and SI.

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  • Kvinivel Inc. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Consulting
    10% AI Development +7
    10% API Development
    10% AR/VR Development
    10% Application Testing
    10% Custom Software Development
    10% IoT Development
    10% Mobile App Development
    10% Robotics Process Automation

    Focus Areas

    20% JavaScript
    25% C#
    20% C++ +3
    20% Typescript
    10% HTML5
    5% Java

    Kvinivel Inc. Is a software development company. Based in Calgary, Canada, their small team specializes in Custom Software Development and Web Development. The agency was founded in 2023.

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  • Sprinters Technologies Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Cybersecurity
    15% Mobile App Development +5
    10% Application Testing
    10% Blockchain
    10% Custom Software Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    10% Kotlin
    10% PHP +7
    10% Python
    10% SQL
    10% Swift
    10% Typescript
    10% backbone.js
    10% jquery
    5% HTML5

    Sprinters Technologies is a web design company. Established in 2024, the company is in Lagos, Nigeria. Their team specializes in Web Design and UX/UI Design.

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  • Yanyem Logotype

    Yanyem

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Search Engine Optimization
    15% Content Marketing +5
    15% Digital Strategy
    10% Custom Software Development
    10% Mobile App Development
    10% Recruiting
    10% Staffing

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +7
    10% HTML5
    5% AJAX
    5% Go
    5% Redux
    5% Ruby
    5% SQL
    5% jquery

    SEO company Yanyem is located in Lahore, Pakistan. They focus on Search Engine Optimization and Digital Strategy.

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  • Intechy Softwares Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Jaipur, India

    Services provided

    20% Web Development
    20% IT Strategy Consulting
    20% Mobile App Development +2
    20% Wearable App Development
    20% Web Design

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    10% C++ +6
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% SQL
    10% jquery

    Intechy Softwares is a web design company. Their small team of employees is located in Jaipur, India. Their team specializes in Web Design and IT strategy consulting.

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  • Hexira Digital Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% Custom Software Development
    10% E-Commerce Development +3
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    30% SQL
    20% Swift +3
    20% Visual Basic
    10% ASP.NET
    10% Python

    Hexira Digital Pvt Ltd, a software development firm, is located in Bengaluru, India. The team offers Custom Software Development and Web Development.

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  • Raghuveer Infotech Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AR/VR Development
    20% Mobile App Development +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    10% JavaScript
    30% Java
    30% Kotlin +2
    20% Python
    10% PHP

    Raghuveer Infotech is a web design agency. The Surat, India-based firm was established in 2020. Their team specializes in Web Design and UX/UI Design.

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  • Dexi Digital Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Mobile App Development
    25% IT Strategy Consulting +2
    15% Low/No Code Development
    10% AI Consulting

    Focus Areas

    10% JavaScript
    35% Swift
    20% Python +3
    15% Java
    10% Elixir
    10% Ruby

    In Uberlândia, Brazil, Dexi Digital is a mobile application development company. Launched in 2023, the team provides Mobile App Development and IT strategy consulting.

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  • Devnexa Logotype

    Devnexa

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Pay Per Click
    10% Branding +4
    10% Content Marketing
    10% Digital Strategy
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% Kotlin +11
    10% Redux
    10% Typescript
    10% jquery
    5% C#
    5% HTML5
    5% Objective C
    5% PHP
    5% Python
    5% SQL
    5% Swift
    5% Visual Basic

    Pay per click agency Devnexa was established in 2024. The agency focuses on Pay Per Click and Web Development.

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  • Inventrix Network Sdn Bhd Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Ampang, Malaysia

    Services provided

    10% Web Development
    10% API Development
    10% AR/VR Development +7
    10% Application Management & Support
    10% Custom Software Development
    10% E-Commerce Development
    10% IoT Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    25% PHP
    10% HTML5 +5
    10% Kotlin
    10% SQL
    10% Swift
    10% Typescript
    5% jquery

    Inventrix Network Sdn Bhd, a web design company, offer Web Design and UX/UI Design. They were launched in 2020.

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  • Waystar Technologies Logotype

    Waystar Technologies

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% CRM Consulting and SI
    10% Custom Software Development +7
    10% DevOps Managed Services
    10% E-Commerce Development
    10% ERP Consulting and SI
    10% IT Managed Services
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% PHP
    10% AJAX +7
    10% Redux
    10% SQL
    10% jquery
    5% HTML5
    5% Kotlin
    5% Swift
    5% Typescript

    Waystar Technologies is a Yerevan, Armenia-based web design company. The team specializes in Web Design and UX/UI Design.

    Read more
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  • Algor Labs Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Midlothian, TX

    Services provided

    20% Web Development
    20% Branding
    20% Digital Strategy +2
    20% E-Commerce Development
    20% Public Relations

    Focus Areas

    10% JavaScript
    10% Other programming & scripting languages
    5% C +15
    5% C#
    5% C++
    5% Ember.js
    5% HTML5
    5% Java
    5% Kotlin
    5% Objective C
    5% PHP
    5% Python
    5% Rust
    5% SQL
    5% Swift
    5% Typescript
    5% backbone.js
    5% jquery

    Branding firm Algor Labs is located in Midlothian, Texas and Prosper, Texas. Their services include Branding and Public Relations.

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  • Flemsoft Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% Mobile App Development +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    10% JavaScript
    25% PHP
    15% SQL +7
    10% AJAX
    10% HTML5
    10% Redux
    5% Objective C
    5% Other programming & scripting languages
    5% backbone.js
    5% jquery

    Flemsoft, a web design company, is located in Chicago, Illinois and Comilla, Bangladesh. They specialize in Web Design and UX/UI Design and were launched in 2020.

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  • fsmia technologies private limited Logotype

    fsmia technologies private limited

    Not yet reviewed

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

    Services provided

    20% Web Development
    35% Custom Software Development
    15% Mobile App Development +3
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    30% PHP
    15% AJAX +5
    15% HTML5
    10% SQL
    10% jquery
    5% Kotlin
    5% Other programming & scripting languages

    Headquartered in Darbhanga, India, fsmia technologies private limited is a custom software development company. Launched in 2022, the team offers Custom Software Development and Web Development.

    Read more
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  • BITBYTE INFO Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Custom Software Development
    20% Mobile App Development +4
    10% AI Development
    10% E-Commerce Development
    10% IoT Development
    10% Microservices Architecture Services

    Focus Areas

    20% JavaScript
    7% AJAX
    7% SQL +16
    5% ASP.NET
    5% Objective C
    5% Other programming & scripting languages
    5% PHP
    5% Python
    5% Ruby
    5% Swift
    4% C#
    4% C++
    4% Java
    4% Kotlin
    4% Redux
    3% HTML5
    3% Typescript
    3% jquery
    2% Ember.js

    Headquartered in Vadodara, India, BITBYTE INFO is a custom software development company. They focus on Custom Software Development and Mobile App Development.

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  • AI Alpha Tech Logotype

    AI Alpha Tech

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Consulting
    10% AI Development +7
    10% Application Management & Support
    10% Application Testing
    10% Blockchain
    10% Custom Software Development
    10% E-Commerce Development
    10% Generative AI
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    20% Python
    20% Typescript +6
    15% Other programming & scripting languages
    5% HTML5
    5% Kotlin
    5% Redux
    5% SQL
    5% Swift

    AI Alpha Tech, a software development company, was established in 2024. Based in Nashik, India, the team offers Custom Software Development and Web Development.

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  • TecHouse - Hyderabad Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49
    Hyderabad, Pakistan

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Digital Strategy +2
    20% Logo
    20% Search Engine Optimization

    Focus Areas

    10% JavaScript
    25% PHP
    15% C++ +5
    10% AJAX
    10% C#
    10% Java
    10% Python
    10% SQL

    TecHouse - Hyderabad is a Digital Strategy company. The Hyderabad, Pakistan-based firm was launched in 2011. Their services include Digital Strategy and Search Engine Optimization.

    Read more
    View Profile
  • True Business Design Logotype

    True Business Design

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Development
    10% Digital Strategy +7
    10% E-Commerce Development
    10% Ecommerce Marketing
    10% Fractional CMO Services
    10% Graphic Design
    10% Mobile App Development
    10% Pay Per Click
    10% Web Design

    Focus Areas

    20% JavaScript
    25% PHP
    25% Python +3
    15% Perl
    10% Other programming & scripting languages
    5% HTML5

    True Business Design is a Digital Strategy company. The team specializes in Digital Strategy and Pay Per Click, and the agency is headquartered in Singapore and Kuala Lumpur, Malaysia.

    Read more
    View Profile
  • Techlign Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% C# +6
    20% SQL
    10% Python
    5% HTML5
    5% Redux
    5% Typescript
    5% jquery

    Founded in 2024, Techlign is a software development company. The team provides Custom Software Development and Web Development and is in Rawalpindi, Pakistan.

    Read more
    View Profile
  • X-out Studio Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Mountain View, CA

    Services provided

    20% Web Development
    20% Blockchain
    20% DevOps Managed Services +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    10% JavaScript
    15% Kotlin
    15% Swift +6
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% Typescript
    10% jquery

    UX design company X-out Studio was founded in 2021. The small team provides UX/UI Design and Web Development.

    Read more
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  • InsightHub Tech Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% AI Development
    25% Custom Software Development +2
    20% IoT Development
    15% Generative AI

    Focus Areas

    20% JavaScript
    25% Python
    20% AJAX +2
    20% SQL
    15% Redux

    Small AI company InsightHub Tech, is located in Islamabad, Pakistan and Sheridan, Wyoming. Their services include Artificial Intelligence and Custom Software Development.

    Read more
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  • Haus Software House Logotype

    Haus Software House

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    15% Web Development
    20% BI & Big Data Consulting & SI
    20% Microservices Architecture Services +4
    15% API Development
    10% AI Development
    10% Custom Software Development
    10% Mobile App Development

    Focus Areas

    15% JavaScript
    30% Java
    30% Python +2
    15% Typescript
    10% SQL

    Big data analytics company Haus Software House was established in 2020. The firm offers BI & big data consulting & SI and Microservices Architecture Services.

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Ability to deliver
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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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