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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 24, 2025
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15 Leaders 15 Contenders

21,454 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), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.

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    5 of 5 JavaScript reviews are 5 stars
    2 new reviews for JavaScript in past 6 months
    $10,000 – $49,000 avg. project cost

    JavaScript Experience

    Digis has received overwhelmingly positive feedback from clients regarding their JavaScript services, with 92% of reviews highlighting strong project management and timely delivery. Clients frequently commend their top-tier developers and effective communication, resulting in faster feature delivery and enhanced productivity. Notably, 100% of reviewers did not identify any areas for improvement. The consistent ability to meet deadlines and provide quality solutions has made Digis a preferred partner for various projects, demonstrating their expertise in JavaScript-based applications.

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    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.

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    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.
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    $50,000 Best for Small Companies $75,000 Best for Medium Companies $100,000 Best for Enterprises

    Custom Product Development

    Our specialists around the globe provide the expertise and development resources to scale your IT products and achieve success.
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  • Phi Horizon Tech and Services Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Branding
    25% Mobile App Development +4
    10% Custom Software Development
    10% E-Commerce Development
    10% Low/No Code Development
    5% Graphic Design

    Focus Areas

    22% JavaScript
    22% AJAX
    22% Python +2
    17% Java
    17% PHP

    Phi Horizon Tech and Services is a branding agency established in 2020. Their services include Branding and Web Development.

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  • Xplorbuzz Private Limited Logotype

    Xplorbuzz Private Limited

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    2 - 9

    Services provided

    20% Web Development
    20% Mobile App Development
    15% IT Strategy Consulting +6
    10% Call Center Services
    10% Cloud Consulting & SI
    10% UX/UI Design
    5% Back Office Outsourcing
    5% Custom Software Development
    5% IT Managed Services

    Focus Areas

    10% JavaScript
    20% Swift
    15% HTML5 +6
    10% ASP.NET
    10% PHP
    10% Python
    10% SQL
    10% jquery
    5% Typescript

    Xplorbuzz Private Limited – Stay Local, Think Global We are a full-stack IT & digital solutions company helping businesses in the USA, Canada, and beyond scale with smart, cost-effective

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  • Rafadigital Logotype

    Rafadigital

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    35% Pay Per Click
    35% Search Engine Optimization +1
    10% AR/VR Development

    Focus Areas

    13% JavaScript
    13% Ember.js
    13% Other programming & scripting languages +5
    13% Redux
    13% Swift
    13% Visual Basic
    12% Kotlin
    10% Objective C

    Rafadigital offers Website Development, Web Design, and Web Programming services. Clients consistently praise Rafadigital for their exceptional communication, timely project delivery, and ability to exceed expectations. Their proficiency in creating custom functionalities and designs has set them apart in the industry.

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  • Rankozy Logotype

    Rankozy

    5.0 1 review
    $1,000+
    $200 - $300 / hr
    10 - 49

    Services provided

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

    Focus Areas

    20% JavaScript
    35% PHP
    20% SQL +2
    15% Other programming & scripting languages
    10% Java

    Rankozy – Your Partner in Digital Growth & Success In today’s digital era, having a powerful online presence is essential. At Rankozy, we help businesses stand out, grow, and dominate their

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    $990 5-Page WordPress, SEO, Mobile-Friendly, 7-10 Days $1,999 10+ Page WordPress/PHP, SEO,Blog, E-Com,10-15 Days $4,999 Custom Python/Django, SEO,Security, API,20-30 Days

    Custom Web Development & SEO-Optimized Sites

    At Rankozy, we create high-performance websites using WordPress, PHP, Python, Django, and SQL. Our solutions are designed for speed, security, and SEO optimization, helping businesses rank higher and grow online. Whether you need a corporate site, e-commerce store, or custom web app, we deliver tailored solutions for your success.
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  • Ariston IT Services Logotype

    Ariston IT Services

    4.5 2 reviews
    $1,000+
    < $25 / hr
    10 - 49

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    20% Web Design
    10% Logo
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% C# +2
    20% HTML5
    20% SQL

    Ariston IT Services provides customized software solutions, enhancing operational efficiency through process management and automation. Their reviews highlight their expertise in Website Development and Online Development, noting their strong project management skills and responsiveness. Clients appreciate their tailored solutions and efficiency improvements, although there's room for clearer communication on project milestones.

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  • Website developers Logotype

    Website developers

    5.0 2 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% IT Staff Augmentation +3
    20% UX/UI Design
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% Other programming & scripting languages +2
    20% PHP
    20% Python

    Website developers offers comprehensive Website Development services, including Web Design and Web Programming, with a strong focus on creating responsive, secure, and user-friendly platforms. The reviews highlight their expertise in eCommerce development, proactive problem-solving, and successful delivery of projects that increase sales and enhance customer satisfaction, despite suggestions for improving project kickoff phases.

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  • DvgSoft Logotype

    5.0 1 review
    $1,000+
    < $25 / hr
    10 - 49
    Jaipur, India

    Services provided

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

    Focus Areas

    20% JavaScript
    20% AJAX
    20% PHP +2
    20% Python
    20% SQL

    DvgSoft offers services in data analysis and visualization, specifically tailored to ecommerce sales data. The reviews highlight their ability to provide accurate and dynamic insights, timely project management, and excellent communication, all of which contribute to a highly satisfactory client experience. DvgSoft is praised for its responsiveness and professionalism, making it a reliable partner for data-focused projects.

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  • LogiClix Tech Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    10 - 49
    New Delhi, India

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +2
    20% Pay Per Click
    20% Search Engine Optimization

    Focus Areas

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

    LogiClix Tech specializes in Website Development and Web Design services. Their reviews highlight exceptional communication, professionalism, and timely delivery of projects. Clients appreciate their ability to develop complex systems, such as booking platforms, seamlessly integrated into websites.

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  • XYMAX Technologies Logotype

    5.0 1 review
    $1,000+
    < $25 / hr
    10 - 49
    Islamabad, Pakistan

    Services provided

    20% Web Development
    20% Custom Software Development
    20% IT Managed Services +3
    20% Web Design
    10% Graphic Design
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +6
    10% AJAX
    10% SQL
    5% ASP.NET
    5% C++
    5% Go
    5% Other programming & scripting languages

    XYMAX Technologies offers services in Website Development, including Web Design and Online Development. The overall feedback highlights their reliability, capability, and effective communication, with clients appreciating their ability to understand project goals and customize functionalities to meet unique needs. No areas for improvement were identified in the reviews.

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  • TecQify Solutions Inc Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Vancouver, Canada

    Services provided

    15% Web Development
    25% Conversion Optimization
    15% Search Engine Optimization +13
    5% Affiliate Marketing
    5% Custom Software Development
    5% Graphic Design
    5% Mobile & App Marketing
    5% Mobile App Development
    5% Pay Per Click
    5% UX/UI Design
    5% Web Design
    1% Advertising
    1% Content Marketing
    1% Marketing Strategy
    1% Other Marketing
    1% Social Media Marketing

    Focus Areas

    25% JavaScript
    20% Typescript
    10% Java +6
    10% Other programming & scripting languages
    10% Python
    10% SQL
    5% ASP.NET
    5% Go
    5% PHP

    TecQify Solutions Inc offers integrated POS system development, software development, and custom solution integration services. Clients consistently commend the company for its technical expertise, innovative approach, and strong project management skills. While there is room for improvement in communication and initial scoping, the overall feedback highlights TecQify's commitment to client satisfaction and delivering high-quality, tailored solutions.

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  • Offlink Digital Logotype

    Offlink Digital

    5.0 1 review
    $5,000+
    < $25 / hr
    10 - 49

    Services provided

    20% Web Development
    30% Mobile App Development
    30% Web Design +2
    10% Custom Software Development
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    25% PHP
    20% SQL +2
    20% jquery
    15% Python

    Offlink Digital offers services in Website Development, Web Design, and SEO, focusing on UI/UX design and mobile responsiveness. Clients praise their attention to detail, effective project management, and ability to deliver high-quality web programming. Overall, Offlink Digital receives positive feedback for aligning with client needs and offering good value for cost.

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  • OXA Studio Logotype

    5.0 1 review
    Undisclosed
    $25 - $49 / hr
    10 - 49
    Tiranë, Albania

    Services provided

    20% Web Development
    20% Application Testing
    20% Cloud Consulting & SI +2
    20% Custom Software Development
    20% IT Strategy Consulting

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +2
    20% SQL
    20% Typescript

    At OXA Studio, founded in 2018 and based in Tirana, Albania, we specialize in creating scalable cloud solutions for B2B and B2C companies. Our expertise spans across software development,

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  • Pixels Digital Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Dhaka, Bangladesh

    Services provided

    30% Web Development
    30% Search Engine Optimization
    20% Social Media Marketing +1
    20% Web Design

    Focus Areas

    10% JavaScript
    15% PHP
    10% Java +12
    10% Python
    5% ASP
    5% C++
    5% HTML5
    5% Kotlin
    5% Other programming & scripting languages
    5% Perl
    5% Rust
    5% SQL
    5% Typescript
    5% XML
    5% jquery

    Pixels Digital provides comprehensive Web Development and Web Design services, focusing on delivering highly functional and visually striking websites. Client reviews highlight their technical expertise, attention to detail, and efficient project management. The outcomes of their work include increased web traffic, improved SEO, and enhanced mobile optimization, demonstrating their capability in providing effective online development solutions. Their commitment to personalized service and prompt communication is consistently praised.

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  • Nav Ecommerce Logotype

    Nav Ecommerce

    4.5 1 review
    Undisclosed
    $50 - $99 / hr
    10 - 49

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Ecommerce Marketing +5
    10% Low/No Code Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    30% JavaScript
    30% Other programming & scripting languages
    30% PHP +1
    10% HTML5

    Nav Ecommerce offers comprehensive services in Website Development and Web Design, specializing in custom inventory and sales management systems. The reviews highlight their technical expertise, responsiveness, and commitment to tailored solutions, demonstrating significant improvements in operational efficiency and sales growth. Clients appreciate their project management and proactive communication, though some suggest enhanced post-deployment support and documentation.

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  • Cyber Vision Development Studio™ Logotype

    Not yet reviewed

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

    Services provided

    30% Web Development
    20% Custom Software Development
    10% Mobile App Development +7
    10% Web Design
    5% Application Management & Support
    5% Branding
    5% CRM Consulting and SI
    5% ERP Consulting and SI
    5% Logo
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    30% PHP
    30% Python +3
    20% SQL
    5% Objective C
    5% Swift

    Cyber Vision Development Studio™ is a web development company. The small Yerevan, Armenia-based team specializes in Web Development and Custom Software Development. The agency was founded in 2014.

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  • Totient Business Solutions Pvt Ltd Logotype

    Totient Business Solutions Pvt Ltd

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Custom Software Development
    20% Mobile App Development +3
    10% Application Testing
    10% IT Strategy Consulting
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    40% Java
    20% C# +1
    20% SQL

    Totient Business Solutions Pvt Ltd, a software development company, is located in Bengaluru, India. They offer Custom Software Development and Mobile App Development.

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  • ThumbStack Technologies Private Limited Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AI Development
    20% Custom Software Development +2
    20% IT Strategy Consulting
    20% Mobile App Development

    Focus Areas

    20% JavaScript
    20% AJAX
    20% ASP +2
    20% ASP.NET
    20% C#

    ThumbStack Technologies Private Limited is a custom software development firm. Their team is located in Mumbai, India and offers Custom Software Development and Artificial Intelligence.

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  • The Net Technology Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +7
    10% Custom Software Development
    10% Web Design
    5% Application Testing
    5% IoT Development
    4% Graphic Design
    4% UX/UI Design
    2% Logo

    Focus Areas

    20% JavaScript
    15% Java
    15% Objective C +6
    15% PHP
    10% Other programming & scripting languages
    10% Swift
    5% AJAX
    5% SQL
    5% XML

    The Net Technology is an e-commerce development company. They are based in New Delhi, India and have small team of experts. Their services include E-Commerce Development and Mobile App Development.

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  • Appnism Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    25% Custom Software Development
    20% Mobile App Development +6
    10% E-Commerce Development
    5% BI & Big Data Consulting & SI
    5% CRM Consulting and SI
    5% Cloud Consulting & SI
    5% IT Strategy Consulting
    5% IoT Development

    Focus Areas

    20% JavaScript
    10% AJAX
    10% ASP.NET +6
    10% Java
    10% Objective C
    10% PHP
    10% SQL
    10% Swift
    10% XML

    Appnism Technologies is a software development firm. They are in Ahmedabad, India. Their team provides Custom Software Development and Mobile App Development.

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  • HOTKEY.agency Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    20% Mobile App Development
    20% Search Engine Optimization +4
    15% Web Design
    10% E-Commerce Development
    5% Graphic Design
    5% Logo

    Focus Areas

    15% JavaScript
    40% PHP
    15% Java +3
    15% Swift
    10% AJAX
    5% SQL

    HOTKEY.agency is a Toronto, Canada-based web development firm. The team offers Web Development and Mobile App Development.

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  • Next Digital Web Solutions Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    20% Search Engine Optimization +2
    20% Social Media Marketing
    20% Web Design

    Focus Areas

    20% JavaScript
    20% AJAX
    20% PHP +2
    20% SQL
    20% XML

    Next Digital Web Solutions, a mobile application development company, was founded in 2015. The firm specializes in Mobile App Development and Search Engine Optimization, and is small.

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  • Axzor Logotype

    Axzor

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    20% Web Design +3
    15% Social Media Marketing
    15% UX/UI Design
    10% Logo

    Focus Areas

    20% JavaScript
    40% PHP
    20% AJAX +1
    20% SQL

    Founded in 2015, Axzor is an app development firm. The small team specializes in Mobile App Development and Web Design.

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  • iByte Solutions Logotype

    iByte Solutions

    Not yet reviewed

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

    Services provided

    30% Web Development
    30% Web Design
    15% Logo +3
    10% Social Media Marketing
    10% UX/UI Design
    5% Mobile App Development

    Focus Areas

    10% JavaScript
    50% PHP
    30% SQL +1
    10% AJAX

    Founded in 2015, iByte Solutions is a small web design agency. Their services include Web Design and Web Development.

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  • Craftsmen Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    10 - 49
    Dhaka, Bangladesh

    Services provided

    20% Web Development
    30% AI Development
    20% Custom Software Development +3
    10% Cloud Consulting & SI
    10% IT Staff Augmentation
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    20% C#
    20% C++ +2
    20% Other programming & scripting languages
    20% Redux

    Craftsmen is an artificial intelligence company in Dhaka, Bangladesh. Their services include Artificial Intelligence and Custom Software Development.

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  • Cybosys Media Logotype

    Cybosys Media

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Web Design
    10% Branding +5
    10% Content Marketing
    10% E-Commerce Development
    10% Graphic Design
    10% Pay Per Click
    10% Social Media Marketing

    Focus Areas

    20% JavaScript
    40% PHP
    20% SQL +2
    10% Other programming & scripting languages
    10% XML

    Cybosys Media is a web design company founded in 2008. Their team provides Web Design and Web Development.

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  • Digitus Computing Private Limited Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    25% Custom Software Development
    20% Mobile App Development +4
    10% Blockchain
    10% E-Commerce Development
    10% IoT Development
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    50% Other programming & scripting languages
    10% SQL +3
    10% Swift
    5% AJAX
    5% Java

    Custom software development company Digitus Computing Private Limited is headquartered in Ahmedabad, India. They offer Custom Software Development and Mobile App Development.

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  • eMentalist Outsourcing Services Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Social Media Marketing
    10% Business Consulting +5
    10% Call Center Services
    10% E-Commerce Development
    10% Graphic Design
    10% Mobile App Development
    10% Video Production

    Focus Areas

    20% JavaScript
    40% Other programming & scripting languages
    40% PHP

    EMentalist Outsourcing Services Pvt. Ltd., a small social media marketing agency, is headquartered in Ahmedabad, India. Their services include Social Media Marketing and Web Development.

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  • Colevit Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% IT Strategy Consulting +3
    20% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% Python
    10% ASP.NET +5
    10% Go
    10% Kotlin
    10% PHP
    10% Ruby
    10% Swift

    Colevit Technologies is a cloud consulting & SI company. They are based in Noida, India, and their services include cloud consulting & SI and IT strategy consulting.

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  • Digital Agency 247 Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Search Engine Optimization
    30% Social Media Marketing +1
    20% Pay Per Click

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% Python +2
    20% Ruby
    20% SQL

    Digital Agency 247, a SEO company, is headquartered in Indore, India. They offer Search Engine Optimization and Social Media Marketing.

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  • HiDigitals Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Mobile App Development +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

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

    HiDigitals is a small user experience company. Established in 2015, the team specializes in UX/UI Design and Digital Strategy.

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  • Startiyo Business Solutions Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% Mobile App Development
    20% E-Commerce Development +2
    10% Custom Software Development
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    40% PHP
    25% Swift +1
    15% Other programming & scripting languages

    Startiyo Business Solutions, a mobile app development firm, is in Kochi, India and Dubai, United Arab Emirates. The team focuses on Mobile App Development and E-Commerce Development.

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  • Plum Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Río Cuarto, Argentina

    Services provided

    20% Web Development
    30% Custom Software Development
    20% Mobile App Development +5
    10% UX/UI Design
    5% Application Management & Support
    5% Blockchain
    5% IT Staff Augmentation
    5% Product Design

    Focus Areas

    20% JavaScript
    35% Ruby
    10% PHP +7
    5% AJAX
    5% Go
    5% Python
    5% Redux
    5% SQL
    5% Swift
    5% Typescript

    Launched in 2013, Plum is a custom software development company. The agency focuses on Custom Software Development and Web Development, and is small.

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  • Perceptive Media Solutions Logotype

    Not yet reviewed

    $100,000+
    $50 - $99 / hr
    10 - 49
    Lagos, Nigeria

    Services provided

    20% Web Development
    20% Branding
    20% Digital Strategy +3
    20% E-Commerce Development
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% SQL +4
    10% AJAX
    10% ASP.NET
    10% Python
    10% Redux

    Founded in 2009, Perceptive Media Solutions is a branding firm. The team focuses on Branding and Digital Strategy.

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  • Hyzen Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    15% Logo +6
    15% Web Design
    10% UX/UI Design
    5% Custom Software Development
    5% Digital Strategy
    5% IT Strategy Consulting
    5% Mobile App Development

    Focus Areas

    20% JavaScript
    30% PHP
    10% AJAX +4
    10% Kotlin
    10% Objective C
    10% SQL
    10% Swift

    Hyzen Technologies is a small Ahmedabad, India-based e-commerce development company. Their services include E-Commerce Development and Web Development.

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  • OWLFINITY Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Mobile App Development
    20% Social Media Marketing +2
    15% Custom Software Development
    15% E-Commerce Development

    Focus Areas

    20% JavaScript
    30% PHP
    20% SQL +2
    20% Swift
    10% Objective C

    OWLFINITY, a mobile app development company, was founded in 2017. Headquartered in Yerevan, Armenia, the team focuses on Mobile App Development and Social Media Marketing.

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  • Smart Processes LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Tiranë, Albania

    Services provided

    20% Web Development
    20% Custom Software Development
    15% Application Management & Support +3
    15% E-Commerce Development
    15% IoT Development
    15% Mobile App Development

    Focus Areas

    20% JavaScript
    20% C#
    20% C++ +2
    20% Java
    20% XML

    Smart Processes LLC is a custom software development company. Established in 2010, the company is located in Tiranë, Albania. Their team offers Custom Software Development and Web Development.

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  • Oaperg Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Application Management & Support
    20% Custom Software Development +2
    20% Enterprise App Modernization
    20% IoT Development

    Focus Areas

    20% JavaScript
    20% C#
    20% Python +2
    20% SQL
    20% Visual Basic

    Oaperg, a small software development firm, is headquartered in Houston, Texas. Their services include Custom Software Development and Enterprise App Modernization.

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  • LozpData Software Solutions Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    20% JavaScript
    10% AJAX
    10% Java +6
    10% Kotlin
    10% Python
    10% Redux
    10% SQL
    10% Swift
    10% Typescript

    LozpData Software Solutions is a web design company headquartered in Rosenberg, Texas. Their services include Web Design and UX/UI Design.

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  • AMIT Experts Logotype

    Not yet reviewed

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

    Services provided

    30% Web Development
    30% Mobile App Development
    15% Custom Software Development +2
    15% E-Commerce Development
    10% Application Testing

    Focus Areas

    10% JavaScript
    20% PHP
    10% Python +11
    10% Swift
    5% ASP.NET
    5% C
    5% C#
    5% C++
    5% Java
    5% Kotlin
    5% Objective C
    5% Ruby
    5% SQL
    5% Visual Basic

    AMIT Experts is a website development company. Located in Cairo, Egypt, the agency was founded in 2011. Their services include Web Development and Mobile App Development.

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  • Digital Capra Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    15% E-Commerce Development
    15% Mobile App Development +4
    15% UX/UI Design
    10% Custom Software Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    15% JavaScript
    20% PHP
    15% Python +4
    15% Ruby
    15% SQL
    10% AJAX
    10% Kotlin

    Small web development firm Digital Capra, is in Karachi, Pakistan. The team provides Web Development and Web Design.

    Read more
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  • NarvalDreams SAS de CV Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49
    Ciudad de México, Mexico

    Services provided

    25% Web Development
    25% Digital Strategy
    25% E-Commerce Development +3
    10% IT Strategy Consulting
    10% Mobile App Development
    5% Other Application Development

    Focus Areas

    15% JavaScript
    35% PHP
    30% SQL +2
    10% AJAX
    10% XML

    NarvalDreams SAS de CV is a small Digital Strategy company founded in 2020. Their team offers Digital Strategy and Web Development.

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  • Hatch Product Development Logotype

    Hatch Product Development

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    10% Web Development
    10% Application Testing
    10% Architectural Design +7
    10% Contract Manufacturing
    10% Custom Software Development
    10% Market Research
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design
    10% Web Design

    Focus Areas

    30% JavaScript
    40% Swift
    30% Java

    Founded in 2021, Hatch Product Development is a small Chicago, Illinois-based Market Research company. Their services include Market Research and Web Design.

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  • Fuel Impact Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Salt Lake City, UT

    Services provided

    10% Web Development
    17% Digital Strategy
    17% IT Strategy Consulting +5
    16% UX/UI Design
    15% Business Consulting
    10% Low/No Code Development
    10% Mobile App Development
    5% Commercial Brokerage Services

    Focus Areas

    30% JavaScript
    20% Kotlin
    20% PHP +2
    20% Swift
    10% Typescript

    Based in Salt Lake City, Utah, Fuel Impact is a small Digital Strategy company. Their services include Digital Strategy and IT strategy consulting.

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  • Madhuma Global Ventures Private Limited Logotype

    Madhuma Global Ventures Private Limited

    Not yet reviewed

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

    Services provided

    15% Web Development
    50% IT Staff Augmentation
    15% Custom Software Development +2
    15% E-Commerce Development
    5% Web Design

    Focus Areas

    25% JavaScript
    30% PHP
    15% Python +3
    10% AJAX
    10% SQL
    10% Swift

    Madhuma Global Ventures Private Limited is an Indore, India-based IT staff augmentation company. Founded in 2020, the team specializes in IT staff augmentation and Custom Software Development.

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  • WeMakeLeads Logotype

    WeMakeLeads

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Web Design
    10% E-Commerce Development +25
    10% Email Marketing
    10% Social Media Marketing
    5% Advertising
    5% Conversion Optimization
    5% Digital Strategy
    1% Application Testing
    1% Branding
    1% Content Marketing
    1% Custom Software Development
    1% Direct Marketing
    1% ECM Consulting and SI
    1% ERP Consulting and SI
    1% Event Marketing
    1% IT Managed Services
    1% Market Research
    1% Marketing Strategy
    1% Mobile & App Marketing
    1% Mobile App Development
    1% Other Design
    1% Other Digital Marketing
    1% Packaging Design
    1% Pay Per Click
    1% Search Engine Optimization
    1% UX/UI Design
    1% Video Production

    Focus Areas

    30% JavaScript
    20% PHP
    5% AJAX +9
    5% ASP.NET
    5% C#
    5% C++
    5% Java
    5% Python
    5% Ruby
    5% SQL
    5% Visual Basic
    5% XML

    WeMakeLeads is a web design company. They are headquartered in Brooklyn, New York and have small team. They offer Web Design and Social Media Marketing.

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  • Streetware Systems Logotype

    Not yet reviewed

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

    Services provided

    30% Web Development
    20% Application Testing
    14% Low/No Code Development +10
    10% Application Management & Support
    5% E-Commerce Development
    5% Mobile App Development
    5% Search Engine Optimization
    2% AI Development
    2% Content Marketing
    2% IT Managed Services
    2% Other Application Development
    2% Social Media Marketing
    1% Custom Software Development

    Focus Areas

    10% JavaScript
    20% Java
    15% ASP.NET +8
    15% C#
    10% PHP
    5% AJAX
    5% ASP
    5% Redux
    5% SQL
    5% Typescript
    5% XML

    Launched in 2002, Streetware Systems is a small Sugar Land, Texas-based website development company. Their services include Web Development and Application Testing.

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  • True Sales Soft Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Kutaisi, Georgia

    Services provided

    10% Web Development
    50% CRM Consulting and SI
    30% Custom Software Development +1
    10% Low/No Code Development

    Focus Areas

    30% JavaScript
    40% Apex
    10% Java +4
    5% C#
    5% PHP
    5% Python
    5% SQL

    Small CRM consulting and SI company True Sales Soft, is based in Kutaisi, Georgia. The team provides CRM consulting and SI and Custom Software Development.

    Read more
    View Profile
  • Asynczone Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Varanasi, India

    Services provided

    20% Web Development
    20% E-Commerce Development
    15% Advertising +4
    15% Search Engine Optimization
    10% Custom Software Development
    10% Low/No Code Development
    10% Social Media Marketing

    Focus Areas

    20% JavaScript
    40% PHP
    20% HTML5 +2
    10% AJAX
    10% Ruby

    Located in Varanasi, India, Asynczone is a small web development firm. Their services include Web Development and E-Commerce Development.

    Read more
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  • Essential Infotech Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Back Office Outsourcing
    15% Call Center Services +4
    15% Customer Service Outsourcing
    10% AI Development
    10% Mobile App Development
    5% Robotics Process Automation

    Focus Areas

    25% JavaScript
    40% PHP
    20% SQL +1
    15% Python

    Essential Infotech provides services in Website Development, Web Design, and Online Development, as demonstrated by their successful creation of mobile applications and a website for a platform addressing food waste. Reviews highlight their professionalism, effective project management, and ability to deliver high-quality, production-ready projects within budget, resulting in a seamless user experience and significant user engagement.

    View Profile
  • AppFellas Mobile & Web Development Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Mobile App Development
    10% Custom Software Development +6
    10% E-Commerce Development
    10% Search Engine Optimization
    10% Social Media Marketing
    5% Application Management & Support
    5% Application Testing
    5% Digital Strategy

    Focus Areas

    25% JavaScript
    15% Java
    15% Kotlin +4
    15% Swift
    10% C#
    10% Redux
    10% Typescript

    AppFellas Mobile & Web Development is an app development firm established in 2013. In istanbul, Türkiye, the team provides Mobile App Development and Web Development.

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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
    View Profile Visit Website

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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