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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: May 21, 2026
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21,995 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

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    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

    4.9 89 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    40% Web Development
    40% Custom Software Development
    20% IT Staff Augmentation

    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 specializing in full-stack and custom website development. Reviews consistently highlight their exceptional project management, technical expertise, and strong communication skills. Approximately 90% of reviewers commend their proactive and reliable service, resulting in improved project delivery times and increased user satisfaction across various web applications.

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  • Evolve Media Logotype

    Evolve Media

    5.0 11 reviews
    $5,000+
    Undisclosed
    2 - 9

    Services provided

    40% Web Development
    40% Web Design
    10% Graphic Design +2
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    30% JavaScript
    50% PHP
    10% Java +2
    5% AJAX
    5% SQL

    Evolve Media is a web development company specializing in custom website and web app development, offering comprehensive solutions including web design, full-stack web development, and online development. Reviews highlight their exemplary project management, timely delivery, proactive communication, and 100% positive client feedback for adaptability and quality service. Clients consistently praise their commitment to delivering high-quality, tailored solutions that align with budget and company values.

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  • Soft Gallery Logotype

    Soft Gallery

    5.0 1 review
    $10,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    10% Web Development
    30% Custom Software Development
    10% Application Testing +5
    10% Graphic Design
    10% Logo
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    50% C#
    30% ASP.NET

    Soft Gallery is a software development company specializing in HR solutions. They are noted for their quick delivery, attentiveness to detail, and flexibility, with 100% of reviewers praising their ease of use and effective solutions. The company successfully automated 95% of client leave and attendance processes, although some reviewers suggested expanding their service offerings.

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  • Avra Software Logotype

    5.0 4 reviews
    Undisclosed
    Undisclosed
    50 - 249
    Wrocław, Poland

    Services provided

    30% Web Development
    40% Custom Software Development
    10% Application Management & Support +2
    10% Enterprise App Modernization
    10% Other Application Development

    Focus Areas

    10% JavaScript
    50% Java
    10% PHP +4
    10% Ruby
    10% SQL
    5% Kotlin
    5% Python

    Avra Software is a software development company specializing in Java and enterprise solutions. The reviews indicate a consistent record of delivering high-quality, innovative software solutions across various industries, with 100% positive feedback on their adaptability and reliability. Clients frequently commend their ability to meet deadlines and their stable, skilled team.

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  • PAR HOUSE Agency Logotype

    5.0 16 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Kraków, Poland

    Services provided

    10% Web Development
    10% Branding
    10% Ecommerce Marketing +13
    10% UX/UI Design
    5% API Development
    5% Advertising
    5% Conversion Optimization
    5% Email Marketing
    5% Event Marketing
    5% Logo
    5% Marketing Strategy
    5% Mobile App Development
    5% Pay Per Click
    5% Product Marketing
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% PHP
    15% C +5
    15% C#
    15% C++
    5% AJAX
    5% HTML5
    5% SQL

    PAR HOUSE Agency is a professional web development company specializing in Website Development, Web Design, and Custom Website Development. Their services are highly praised for professionalism, creativity, and responsive communication. With 100% positive feedback, clients highlight the agency’s efficiency, engagement, and ability to deliver on time. They are recommended for their comprehensive project management and support in building strong online presences.

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  • Evolved Ideas Logotype

    5.0 1 review
    $25,000+
    $50 - $99 / hr
    50 - 249
    Ratby, England

    Services provided

    10% Web Development
    35% Custom Software Development
    30% IT Staff Augmentation +3
    15% Mobile App Development
    5% Enterprise App Modernization
    5% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    40% C#
    20% SQL +3
    10% Objective C
    10% PHP
    10% Swift

    Evolved Ideas, operating as Evolve IT Consulting, is a technology recruitment and consulting firm specializing in providing high-quality developers for tech-oriented startups. The reviews highlight their exceptional ability to integrate developers seamlessly into clients' teams, with 100% of feedback praising their reliability and low turnover rates. Clients note the impressive quality of developers and timely delivery, indicating a strong long-term partnership approach.

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  • Monarch Seo Agency Logotype

    Monarch Seo Agency

    4.8 3 reviews
    $1,000+
    < $25 / hr
    10 - 49

    Services provided

    30% Web Development
    40% Search Engine Optimization
    15% Pay Per Click +1
    15% Social Media Marketing

    Focus Areas

    10% JavaScript
    30% PHP
    10% ASP.NET +5
    10% Java
    10% Perl
    10% Python
    10% SQL
    10% Visual Basic

    Monarch Seo Agency is a proficient web design and development company skilled in custom website development and web programming. Reviews highlight their efficiency, delivering projects faster than expected, with 100% of feedback praising their project management and communication. However, 100% also suggest improving their response time for prompt communication.

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  • Beyonders Logotype

    5.0 4 reviews
    Undisclosed
    $25 - $49 / hr
    2 - 9
    Balneário Camboriú, Brazil

    Services provided

    50% Web Development
    30% Mobile App Development
    20% Blockchain

    Focus Areas

    25% JavaScript
    25% SQL
    15% Typescript +4
    10% Java
    10% PHP
    10% Python
    5% ASP.NET

    Beyonders is a full-stack web development company specializing in custom website development and web design. Their reviews highlight a 100% positive feedback rate, with clients praising their project management, responsiveness, and ability to deliver high-quality, scalable, and visually appealing websites. Approximately 50% of reviewers emphasize their strong alignment with client values and vision.

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  • Two Hours Sleep Logotype

    4.8 2 reviews
    $5,000+
    $100 - $149 / hr
    2 - 9
    Royal Tunbridge Wells, England

    Services provided

    100% Web Development

    Focus Areas

    30% JavaScript
    50% PHP
    20% Other programming & scripting languages

    Two Hours Sleep is a web development company known for its exceptional Website Development and Web Design services. Their clients consistently praise their critical thinking skills and ability to deliver functional, high-quality websites, with 100% of reviews highlighting client satisfaction and effective communication. The company excels in project management, utilizing tools like Asana and Slack to maintain strong client relationships.

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  • YouTeam Logotype

    4.9 5 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Mountain View, CA

    Services provided

    25% Web Development
    50% Custom Software Development
    25% Mobile App Development

    Focus Areas

    40% JavaScript
    30% Java
    30% PHP

    YouTeam is a dynamic company specializing in Web Development, including Front-End and Back-End Development, with a strong focus on customized solutions and rapid project execution. Reviews highlight a 100% satisfaction rate, emphasizing their professionalism, effective project management, and adeptness in handling complex projects. Clients appreciate their proactive communication and initiative in refining project briefs, enhancing client satisfaction and project outcomes.

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  • Augmetic Logotype

    5.0 10 reviews
    $1,000+
    < $25 / hr
    10 - 49
    London, England

    Services provided

    10% Web Development
    30% E-Commerce Development
    10% AR/VR Development +8
    10% Application Management & Support
    10% Mobile App Development
    5% Blockchain
    5% Graphic Design
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design
    5% Web Design

    Focus Areas

    16% JavaScript
    19% Kotlin
    11% AJAX +6
    11% Java
    11% PHP
    11% Python
    11% SQL
    5% Objective C
    5% Swift

    Augmetic is a web development company specializing in full-stack web development, custom website development, and web design. Their clients praise their exceptional project management, responsiveness, and ability to deliver visually appealing websites that meet client needs. With 100% positive feedback highlighting their commitment to customer satisfaction and expertise, Augmetic is noted for delivering projects on time and within budget.

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  • Login2Tech Websoft Pvt. Ltd. Logotype

    5.0 6 reviews
    $1,000+
    $25 - $49 / hr
    2 - 9
    1 A, India

    Services provided

    10% Web Development
    20% Mobile App Development
    10% Application Management & Support +6
    10% E-Commerce Development
    10% IT Managed Services
    10% Low/No Code Development
    10% Other Design
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    40% JavaScript
    50% PHP
    10% HTML5

    Login2Tech Websoft Pvt. Ltd. is a comprehensive web development company excelling in Website Development, Web Design, and Web Application Development. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their impressive project management, responsiveness, and expertise in delivering technically sound and visually appealing websites. Their commitment to client satisfaction and creativity consistently exceeds client expectations.

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  • Knucklepuck Logotype

    5.0 3 reviews
    $5,000+
    Undisclosed
    10 - 49
    Arlington, VA

    Services provided

    10% Web Development
    40% Search Engine Optimization
    30% Content Marketing +2
    10% Pay Per Click
    10% Web Design

    Focus Areas

    20% JavaScript
    60% PHP
    10% AJAX +1
    10% Other programming & scripting languages

    Knucklepuck is a distinguished SEO and marketing agency, highly praised for its technical expertise and strategic approach to digital marketing, including SEO audits, content marketing, and paid media management. Reviews consistently highlight the company's responsiveness, innovative strategies, and positive impact on client growth, with Knucklepuck contributing to significant improvements in search visibility and organic traffic. The reviews are overwhelmingly positive, with over 90% of clients expressing satisfaction with their services.

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  • Webnyxa Technologies Logotype

    5.0 7 reviews
    $1,000+
    < $25 / hr
    10 - 49
    Noida, India

    Services provided

    25% Web Development
    75% Mobile App Development

    Focus Areas

    25% JavaScript
    25% PHP
    20% Redux +3
    10% Java
    10% Kotlin
    10% Swift

    Webnyxa Technologies is a web development company specializing in full-stack web development and mobile app development. Reviews highlight their timely, professional, and reliable service, with 95%–100% task accuracy mentioned by one reviewer. Clients appreciate their effective communication, availability, and ability to work collaboratively, although regular progress updates could enhance client satisfaction.

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  • Hyathi Technologies Private Limited Logotype

    4.7 5 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Gorakhpur, India

    Services provided

    10% Web Development
    10% AI Development
    10% AR/VR Development +7
    10% Blockchain
    10% Custom Software Development
    10% Cybersecurity
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Design

    Focus Areas

    25% JavaScript
    35% Typescript
    15% Python +5
    5% AJAX
    5% Ember.js
    5% Redux
    5% Ruby
    5% Swift

    Hyathi Technologies Private Limited is a web development company specializing in full-stack web development, custom website development, and web application development. The reviews highlight a 100% positive feedback rate, emphasizing their proactive communication, timely delivery, and quality outputs. Their expertise in web dev and ability to anticipate challenges make them an exceptional partner for digital projects.

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  • Rubber Duck Logotype

    4.5 2 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    60% Web Development
    10% Custom Software Development
    10% Mobile App Development +2
    10% UX/UI Design
    10% Web Design

    Focus Areas

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

    Rubber Duck is a web development company specializing in custom website development and full-stack web development. The overall feedback is highly positive, with approximately 100% of reviewers highlighting their professionalism, timely delivery, and excellent customer service. Clients frequently commend their user-friendly back-end development and the team's accommodating attitude.

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  • Software for Good Logotype

    4.8 4 reviews
    Undisclosed
    $150 - $199 / hr
    10 - 49
    Minneapolis, MN

    Services provided

    20% Web Development
    30% Custom Software Development
    30% Mobile App Development +2
    10% Digital Strategy
    10% Web Design

    Focus Areas

    15% JavaScript
    30% Ruby
    15% Other programming & scripting languages +5
    10% Java
    10% PHP
    10% Swift
    5% Objective C
    5% Python

    Software for Good is a web development company specializing in web design and web application development, with a focus on serving nonprofit organizations. Reviews highlight their exceptional project management and commitment to quality, with 100% positive feedback about their ability to significantly improve website functionality and design. Many reviewers appreciate their dedication to treating nonprofit clients as valued partners.

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  • AgileDevServices Logotype

    5.0 4 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Vilnius, Lithuania

    Services provided

    25% Web Development
    40% Custom Software Development
    10% Application Testing +3
    10% IT Strategy Consulting
    10% Low/No Code Development
    5% IoT Development

    Focus Areas

    15% JavaScript
    50% Java
    10% Kotlin +4
    10% Redux
    5% AJAX
    5% Ember.js
    5% SQL

    AgileDevServices is a web development company that excels in custom website development and complex software solutions. With 100% positive feedback, clients praise their commitment, technical expertise in web application development, and ability to handle multifaceted projects. Approximately 80% of reviews highlight their impressive project management and responsiveness, making them a reliable partner for complex development needs.

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  • DVC Solutions Inc. Logotype

    4.9 17 reviews
    $50,000+
    $100 - $149 / hr
    50 - 249
    Banja Luka, Bosnia and Herzegovina

    Services provided

    30% Web Development
    30% Custom Software Development
    30% Mobile App Development +1
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% Python
    15% Java +5
    10% C#
    10% C++
    10% Kotlin
    10% Objective C
    5% Typescript

    DVC Solutions Inc. is a versatile web development company offering services in Website Development, Custom Website Development, and Web Application Development. Their feedback is overwhelmingly positive, with approximately 90% of reviewers praising their communication, project management, and technical expertise. Reviewers frequently highlight their ability to deliver quality products and their flexibility in accommodating client needs, despite occasional challenges in meeting deadlines.

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  • Settings Infotech Logotype

    5.0 20 reviews
    $1,000+
    $25 - $49 / hr
    50 - 249
    Surat, India

    Services provided

    25% Web Development
    25% Custom Software Development
    20% IT Staff Augmentation +2
    20% Mobile App Development
    10% UX/UI Design

    Focus Areas

    25% JavaScript
    10% ASP.NET
    10% Java +6
    10% Kotlin
    10% PHP
    10% Python
    10% Swift
    10% Typescript
    5% Redux

    Settings Infotech is a web development company known for its expertise in website development and web application development. Across various projects, they have received predominantly positive feedback, with 100% of reviewers highlighting their effective project management and timely delivery. Notably, 83% praised their clear communication and innovative approach, while some suggested improving post-project support and communication frequency.

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  • Boston SoftDesign Logotype

    4.9 7 reviews
    $1,000+
    $50 - $99 / hr
    250 - 999
    Newton, MA

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% IT Managed Services +4
    10% Application Management & Support
    10% Application Testing
    10% IT Staff Augmentation
    10% Mobile App Development

    Focus Areas

    25% JavaScript
    35% Java
    10% ASP +3
    10% ASP.NET
    10% C#
    10% SQL

    Boston SoftDesign is a versatile IT services company specializing in integration, automation, DevOps, and AWS managed services. With approximately 100% positive feedback, clients commend their professionalism, seamless communication, and ability to deliver efficient solutions swiftly. Many reviewers highlight their expertise in Workato and Salesforce integrations, proactive problem-solving, and excellent project management. No areas for improvement were commonly identified, suggesting a strong track record of client satisfaction.

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  • Direction Software LLP Logotype

    4.5 3 reviews
    $10,000+
    $50 - $99 / hr
    250 - 999
    Mumbai, India

    Services provided

    20% Web Development
    20% Custom Software Development
    20% IT Managed Services +4
    10% AI Development
    10% BI & Big Data Consulting & SI
    10% Back Office Outsourcing
    10% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% Java +6
    20% PHP
    10% SQL
    5% C#
    5% C++
    5% Objective C
    5% Swift

    Direction Software LLP is a software development firm specializing in ERP solutions and software management systems. The company has garnered positive feedback for its project management and intercultural communication skills, with approximately 100% of reviewers emphasizing timely delivery and effective collaboration. Clients appreciate their technical expertise, particularly in Oracle and Java development, and value their ability to integrate into diverse business environments.

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  • SVAP INFOTECH PVT. LTD. Logotype

    4.6 22 reviews
    $10,000+
    < $25 / hr
    250 - 999
    Jaipur, India

    Services provided

    10% Web Development
    30% Mobile App Development
    10% AR/VR Development +5
    10% Custom Software Development
    10% E-Commerce Development
    10% IoT Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% C#
    10% Kotlin
    10% Other programming & scripting languages
    10% PHP
    10% SQL
    10% Swift
    10% XML

    SVAP INFOTECH PVT. LTD. is a web development company providing services in mobile app development and custom website development. Reviews reflect a mixed reputation, with approximately 60% of reviewers praising their service quality and project management, highlighting their attentive communication and timely delivery. However, 40% report negative experiences, citing issues with project completion and communication breakdowns.

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  • Sabhi Digital Logotype

    5.0 12 reviews
    $5,000+
    < $25 / hr
    10 - 49
    Jodhpur, India

    Services provided

    60% Web Development
    25% Social Media Marketing
    15% Mobile App Development

    Focus Areas

    15% JavaScript
    60% PHP
    25% SQL

    Sabhi Digital is a web development company specializing in Custom Website Development, Web Application Development, and Full-Stack Web Development. The majority of reviewers express satisfaction, highlighting their professionalism, flexibility in accommodating changes, and quality deliverables. Approximately 75% of reviewers commend their effective project management and impressive commitment to client needs.

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  • Grenade Castle Logotype

    5.0 2 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Prague, Czech Republic

    Services provided

    35% Web Development
    30% UX/UI Design
    15% Print Design +2
    10% Graphic Design
    10% Web Design

    Focus Areas

    30% JavaScript
    40% Other programming & scripting languages
    30% PHP

    Grenade Castle is a full-stack web development company specializing in custom website development and web application development. The feedback highlights their impressive project management, effective communication, and personal approach, with 100% positive reviews emphasizing their ability to significantly enhance conversion rates and reduce costs. Clients appreciate their broad knowledge and innovative solutions in website design and development.

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  • Myrah Consulting Services Private Limited Logotype

    4.9 8 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249
    Mumbai, India

    Services provided

    10% Web Development
    30% Custom Software Development
    20% API Development +3
    20% Enterprise App Modernization
    10% Application Management & Support
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    20% PHP
    20% Python +4
    20% SQL
    10% HTML5
    10% Typescript
    10% jquery

    Myrah Consulting Services Private Limited specializes in developing customized ERP and CRM solutions tailored to diverse industry needs, including automation, inventory management, and customer engagement. The company consistently receives positive feedback, with a notable 48% improvement in job scheduling for clients and 30% increases in inventory accuracy and lead conversion. Reviewers frequently commend their industry-specific understanding and responsive project management.

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  • Codeclusive Logotype

    5.0 10 reviews
    $1,000+
    $50 - $99 / hr
    10 - 49
    Łódź, Poland

    Services provided

    30% Web Development
    40% Mobile App Development
    20% Custom Software Development +1
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% Other programming & scripting languages
    20% PHP +4
    20% Python
    10% SQL
    5% C#
    5% Go

    Codeclusive is a web development company specializing in Web Development and Web Application Development. The reviews highlight their proficiency in creating custom web platforms and mobile applications, utilizing technologies like Angular, Flutter, and Firebase. Clients commend their adaptability and effective project management, with an impressive 100% positive feedback on delivering robust, user-friendly applications and fostering strong partnerships.

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  • Terra Digital Logotype

    5.0 2 reviews
    $1,000+
    $25 - $49 / hr
    2 - 9
    Cape Town, South Africa

    Services provided

    25% Web Development
    15% Marketing Strategy
    15% Social Media Marketing +5
    10% Digital Strategy
    10% E-Commerce Development
    10% Search Engine Optimization
    10% Web Design
    5% Email Marketing

    Focus Areas

    40% JavaScript
    60% PHP

    Terra Digital specializes in Website Development and Web Design, offering tailored online development solutions. Clients consistently praise the company for its exceptional attention to detail, efficient project management, and strong customer relationships. Overall feedback highlights Terra Digital's ability to deliver high-quality websites that effectively attract and engage customers.

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  • Web Wolf Logotype

    5.0 8 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Będzin, Poland

    Services provided

    30% Web Development
    15% UX/UI Design
    15% Web Design +7
    10% Product Design
    5% Content Marketing
    5% Graphic Design
    5% IT Staff Augmentation
    5% Logo
    5% Other Design
    5% Print Design

    Focus Areas

    30% JavaScript
    40% PHP
    20% SQL +1
    10% AJAX

    Web Wolf is a web development company specializing in full-stack web development and custom website development. They consistently receive positive feedback, with 100% of reviewers highlighting their professionalism, effective communication, and dedication to client needs. Clients appreciate their innovative solutions and expertise in web programming, with no significant areas for improvement mentioned.

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  • M. System agency Logotype

    M. System agency

    4.8 3 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    10% Web Development
    40% Search Engine Optimization
    30% Pay Per Click +2
    10% Digital Strategy
    10% Social Media Marketing

    Focus Areas

    15% JavaScript
    20% PHP
    20% Python +5
    10% ASP.NET
    10% Java
    10% Kotlin
    10% Swift
    5% Other programming & scripting languages

    M. System agency is a digital marketing and SEO firm that offers services such as SEO content creation, social media strategy, digital marketing campaigns, and backlink implementation. They receive overwhelmingly positive feedback, with 100% of reviews praising their project management, communication, and cost-effectiveness. Clients commend the agency's expertise, timely delivery, and ability to provide valuable insights and improvements tailored to specific needs.

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  • Tech-co Logotype

    Tech-co

    3.5 3 reviews
    $1,000+
    Undisclosed
    10 - 49

    Services provided

    70% Web Development
    20% Mobile App Development
    10% UX/UI Design

    Focus Areas

    40% JavaScript
    30% PHP
    15% Java +1
    15% Swift

    Tech-co is a web development company specializing in custom website development and web application development using technologies like Laravel. The company is praised for providing good solutions at a fair price, with 100% of reviewers highlighting their effective communication and stable feature enhancements as key strengths.

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  • REBL. Logotype

    5.0 1 review
    $10,000+
    $25 - $49 / hr
    10 - 49
    L'viv, Ukraine

    Services provided

    65% Web Development
    20% Mobile App Development
    10% Business Consulting +1
    5% UX/UI Design

    Focus Areas

    50% JavaScript
    50% Typescript

    REBL. is a dedicated web development company specializing in creating comprehensive web-based solutions, particularly for niche CRM platforms. The company is highly praised for its professionalism and commitment, with 100% of reviewers highlighting their exceptional communication and understanding of business needs, resulting in successful, user-loved products.

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  • inhouse Logotype

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

    Services provided

    50% Web Development
    15% Mobile App Development
    15% Web Design +3
    10% UX/UI Design
    5% Blockchain
    5% E-Commerce Development

    Focus Areas

    50% JavaScript
    40% Python
    10% SQL

    inhouse is a web development company specializing in front-end development, excelling in responsive design and API integration for projects like custom e-commerce solutions. The company is praised for its precise estimates and technical expertise, delivering successful outcomes. Positive feedback comprises 100% of the reviews, emphasizing accuracy and expertise noted by all reviewers.

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  • Prasarnet Consulting Services Pvt. Ltd. Logotype

    5.0 36 reviews
    $5,000+
    < $25 / hr
    50 - 249
    Kolkata, India

    Services provided

    10% Web Development
    15% Search Engine Optimization
    10% Content Marketing +8
    10% Digital Strategy
    10% Ecommerce Marketing
    10% Pay Per Click
    10% Social Media Marketing
    10% Web Design
    5% Affiliate Marketing
    5% Mobile App Development
    5% Video Marketing

    Focus Areas

    40% JavaScript
    30% HTML5
    30% PHP

    Prasarnet Consulting Services Pvt. Ltd. is a web development company specializing in custom website development and SEO optimization. The feedback reflects positively on their communication and technical capabilities, with 100% of reviewers highlighting their excellent project management and value alignment. While they excel in attention to detail and responsiveness, one reviewer suggests potential improvement in team-wide communication clarity.

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  • Invonto Logotype

    4.8 3 reviews
    $50,000+
    $100 - $149 / hr
    10 - 49
    New York, NY

    Services provided

    10% Web Development
    30% Custom Software Development
    20% Mobile App Development +6
    10% Digital Strategy
    10% UX/UI Design
    5% AR/VR Development
    5% Cloud Consulting & SI
    5% IT Strategy Consulting
    5% IoT Development

    Focus Areas

    20% JavaScript
    30% ASP.NET
    20% SQL +4
    15% Java
    5% Other programming & scripting languages
    5% PHP
    5% Swift

    Invonto is a technology partner specializing in game and web application development, UX/UI design, and full-life cycle development of web and mobile applications. Client feedback highlights their professional, reliable, and collaborative approach, with 100% of reviewers noting their ability to work effectively as a partner, adapt to project changes, and deliver high-quality results. Invonto is praised for their U.S.-based team and their commitment to client involvement and success.

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  • CyberFox Agency Logotype

    5.0 2 reviews
    Undisclosed
    $25 - $49 / hr
    10 - 49
    Paris, France

    Services provided

    30% Web Development
    30% E-Commerce Development
    20% Other Application Development +2
    10% AR/VR Development
    10% Custom Software Development

    Focus Areas

    13% JavaScript
    13% C
    13% C++ +5
    13% Go
    13% Python
    13% Redux
    12% PHP
    10% SQL

    CyberFox Agency is a specialized 3D development company known for its high-quality 3D modeling and product configurator services. The agency consistently delivers projects on time and within budget, with reviewers highlighting their exceptional responsiveness and the ability to handle changes effectively. About 100% of reviewers praised the quality and speed of their work, though minor improvements in testing and documentation were suggested.

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  • DazzleBirds Logotype

    4.8 8 reviews
    $1,000+
    < $25 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    40% Web Development
    30% E-Commerce Development
    10% Custom Software Development +2
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    50% PHP
    20% Other programming & scripting languages +1
    20% SQL

    DazzleBirds is a web development company specializing in custom website and web application development, with expertise in both front-end and back-end development. With 100% positive client feedback, they are praised for their effective project management, budget-friendly pricing, and expertise in WordPress and other technologies. About 67% of the reviews highlight their strong communication skills and dedication to client satisfaction.

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  • Tailor Made Digital Marketing Logotype

    5.0 2 reviews
    $1,000+
    $50 - $99 / hr
    2 - 9
    Fresno, CA

    Services provided

    10% Web Development
    30% Video Production
    20% Pay Per Click +3
    20% Social Media Marketing
    15% Content Marketing
    5% Web Design

    Focus Areas

    15% JavaScript
    15% ASP.NET
    15% C# +4
    15% Ember.js
    15% Ruby
    15% SQL
    10% HTML5

    Tailor Made Digital Marketing is a branding and advertising agency specializing in logo design, branding, and digital marketing solutions such as Facebook advertising and website support. They receive overwhelmingly positive feedback, with 100% of reviewers highlighting their responsiveness and attention to detail. Clients commend their ability to drive results and foster strong professional relationships, with no noted areas for improvement.

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  • EGO Logotype

    5.0 7 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Buenos Aires, Argentina

    Services provided

    33% Web Development
    34% UX/UI Design
    33% Product Design

    Focus Areas

    20% JavaScript
    30% Python
    20% PHP +2
    20% SQL
    10% Typescript

    EGO is a web development company specializing in user experience design and custom website development, with notable expertise in full-stack and web application development. Reviewers express 100% satisfaction with their UX capabilities and problem-solving skills, with 50% of them highlighting their adaptability in project management and communication. EGO's extensive experience in various industries is frequently commended.

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  • NCoreSoft Logotype

    5.0 16 reviews
    $5,000+
    < $25 / hr
    2 - 9
    Ahmedabad, India

    Services provided

    10% Web Development
    15% Custom Software Development
    15% ERP Consulting and SI +7
    10% AI Agents
    10% AI Development
    10% Cloud Consulting & SI
    10% Mobile App Development
    10% UX/UI Design
    5% AI Consulting
    5% Generative AI

    Focus Areas

    20% JavaScript
    35% ASP.NET
    10% C# +4
    10% SQL
    10% Swift
    10% Typescript
    5% PHP

    NCoreSoft is a web development company specializing in custom website development, full-stack web development, and web application development. Overall, 100% of the feedback is positive, highlighting their detailed communication, technical expertise, and effective project delivery. Approximately 40% of reviewers specifically commend their project management skills and dedication to meeting client requirements.

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  • Gensofts Infosolutions Logotype

    Gensofts Infosolutions

    4.7 14 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    40% Web Development
    40% Web Design
    20% Mobile App Development

    Focus Areas

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

    Gensofts Infosolutions is a proficient web development company specializing in custom website development, web design, and web application development. They consistently deliver high-quality work, as evidenced by positive feedback from 100% of reviewers, who highlight their professionalism, timely delivery, and strong communication skills. Many clients appreciate their ability to enhance design concepts and provide innovative solutions, although some mention room for improvement in pricing.

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  • B-MIND Software House Logotype

    4.5 10 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Poznań, Poland

    Services provided

    20% Web Development
    40% Custom Software Development
    20% Mobile App Development +2
    10% IoT Development
    10% Web Design

    Focus Areas

    20% JavaScript
    30% PHP
    20% SQL +3
    10% C#
    10% Kotlin
    10% Swift

    B-MIND Software House is a web development company specializing in web application development, custom website development, and comprehensive front-end and back-end development solutions. Overall, 100% of reviewers noted positive experiences, highlighting the company's knowledge, responsiveness, and diligence in problem-solving as standout qualities. The company's strong communication and project management skills were frequently praised, contributing to successful project outcomes.

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  • Devstars (Jersey) Ltd Logotype

    4.9 4 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Saint Helier, Jersey

    Services provided

    45% Web Development
    25% E-Commerce Development
    20% Web Design +2
    5% Email Marketing
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    40% PHP
    30% SQL +3
    5% AJAX
    5% Perl
    5% XML

    DevStars Ltd is a proficient web development company specializing in website development, web design, and e-commerce solutions. With an impressive 100% positive client feedback, they are praised for their efficiency, user-friendly results, and strong project management. Their ability to tailor solutions to client needs and collaborate effectively with other teams is consistently highlighted across reviews.

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  • Act Bold Media Group Logotype

    4.7 10 reviews
    $5,000+
    $100 - $149 / hr
    10 - 49
    Santa Monica, CA

    Services provided

    45% Web Development
    45% Search Engine Optimization
    10% Pay Per Click

    Focus Areas

    10% JavaScript
    30% PHP
    20% Objective C +3
    20% Ruby
    10% ASP.NET
    10% Java

    Act Bold Media Group is a full-stack web development company specializing in custom website development, web design, and online development services. Client reviews highlight their efficiency, artistic flair, and quick project delivery, with 100% positive feedback regarding their professionalism and goal-oriented approach. Approximately 50% of reviews commend their expertise in SEO and content marketing.

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  • Puzzle Logotype

    4.8 7 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Rosario, Argentina

    Services provided

    20% Web Development
    45% Mobile App Development
    30% IT Staff Augmentation +1
    5% UX/UI Design

    Focus Areas

    50% JavaScript
    20% PHP
    20% Redux +2
    9% SQL
    1% Other programming & scripting languages

    Puzzle is a web development company specializing in mobile app creation, offering services like front-end and back-end development. The majority of reviews (100%) highlight their professionalism, flawless execution, and excellent communication. Clients particularly appreciate their ability to meet expectations and provide valuable suggestions for enhancing user experience.

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  • Cygnis - Software Development Company Logotype

    4.5 4 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Pleasanton, CA

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Mobile App Development +12
    10% UX/UI Design
    10% Web Design
    5% AI Development
    5% BI & Big Data Consulting & SI
    5% CRM Consulting and SI
    5% Cloud Consulting & SI
    5% E-Commerce Development
    5% ERP Consulting and SI
    5% Enterprise App Modernization
    5% Graphic Design
    5% IT Strategy Consulting
    5% Product Design

    Focus Areas

    30% JavaScript
    20% PHP
    15% SQL +3
    15% Swift
    10% AJAX
    10% Ember.js

    Cygnis - Software Development Company specializes in Website Development and Web Design, with a particular emphasis on improving user experiences through comprehensive online solutions. Reviews indicate high satisfaction with their timely delivery, effective communication, and alignment with client values, showcasing their expertise in enhancing online engagement and efficiency.

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  • Spark X Logotype

    5.0 3 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Mykolaiv, Ukraine

    Services provided

    50% Web Development
    50% Mobile App Development

    Focus Areas

    100% JavaScript

    Spark X is a web development company specializing in front-end development and custom website development, utilizing technologies like React Next.js. They have received overwhelmingly positive feedback, with 100% of reviewers praising their efficient communication and agile project management. Clients commend their ability to deliver fast, stable, and SEO-optimized solutions, with no reported areas for improvement.

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  • Sublime Data Systems Logotype

    5.0 2 reviews
    $5,000+
    < $25 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    50% Web Development
    50% Custom Software Development

    Focus Areas

    50% JavaScript
    50% PHP

    Sublime Data Systems is a software development company that provides services such as back-end development and quality assurance. The reviews indicate a strong focus on collaboration, flexibility, and high-quality deliverables, with 100% of feedback emphasizing their professionalism and ability to tailor solutions to client needs. Clients appreciate their effective project management and commitment to meeting deadlines.

    See all 2 projects
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  • Kodo Labs Logotype

    Kodo Labs

    5.0 13 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    70% Web Development
    20% Custom Software Development
    10% Mobile App Development

    Focus Areas

    15% JavaScript
    75% Ruby
    5% AJAX +1
    5% SQL

    Kodo Labs is a web development company offering services such as full-stack web development and custom website development. With a focus on responsive user interfaces and innovative solutions, they have received overwhelmingly positive feedback for their excellent communication and project management. Notably, 100% of reviewers praised their ability to deliver projects on time and within budget, highlighting their flexibility and technical expertise.

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  • mindnow AG Logotype

    4.9 4 reviews
    $5,000+
    $100 - $149 / hr
    50 - 249
    Zürich, Switzerland

    Services provided

    10% Web Development
    25% UX/UI Design
    15% Low/No Code Development +5
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile App Development
    10% Product Design
    10% Web Design

    Focus Areas

    20% JavaScript
    50% Python
    30% Other programming & scripting languages

    mindnow AG is a web development company specializing in custom website development and full-stack web development. Their projects frequently involve integrating advanced technologies like Storyblok CMS and Next.js for scalability and performance. The reviews are overwhelmingly positive, with 100% highlighting their expertise, responsive communication, and alignment with client values.

    See all 4 projects
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  • IT Enablers Global Logotype

    IT Enablers Global

    4.8 3 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    25% Web Development
    25% Web Design
    20% Graphic Design +2
    20% Logo
    10% Other Digital Marketing

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    15% PHP +5
    15% SQL
    10% AJAX
    10% ASP.NET
    10% C#
    10% XML

    IT Enablers Global is a web development company specializing in custom website development using platforms like WordPress. Their professionalism and affordability are consistently praised, with 100% of reviewers highlighting effective project management and timely delivery. Clients commend their capability to create user-friendly websites that meet specific business needs.

    See all 3 projects
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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 ImageX
2 xfive
3 Brainhub
4 The Software House
5 Xmartlabs
6 Airdev
7 WPWeb Infotech
8 Lizard Global
9 PopArt Studio
10 Softonix
11 GeekyAnts
12 INOXOFT
13 Scopic
14 HTMLPanda
15 Vention

List of the Top 15 JavaScript Development Companies

  1. 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
  2. xfive Logotype

    xfive

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

    Ability to deliver

    39.3/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

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

    Brainhub

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

    Ability to deliver

    39.3/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    45% Web Development
    75% JavaScript
    55% Other
    View Profile Visit Website
  4. The Software House Logotype

    The Software House

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

    Ability to deliver

    39.8/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

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

    Xmartlabs

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

    Ability to deliver

    39.5/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    50% Web Development
    35% JavaScript
    50% Other
    View Profile Visit Website
  6. Airdev Logotype

    Airdev

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

    Ability to deliver

    38.5/40.0
    19.2/20 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. WPWeb Infotech Logotype

    WPWeb Infotech

    $25,000+
    < $25 / hr
    250 - 999
    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
  8. 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
  9. 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
  10. Softonix Logotype

    Softonix

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

    Ability to deliver

    36.3/40.0
    17.4/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  11. 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
  12. INOXOFT Logotype

    INOXOFT

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

    Ability to deliver

    39.6/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  13. Scopic Logotype

    Scopic

    $10,000+
    $50 - $99 / hr
    250 - 999
    Marlborough, MA

    Ability to deliver

    39.3/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  14. 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
  16. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    36.4/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

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

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

    36.3/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  18. PowerGate Software Logotype

    PowerGate Software

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

    Ability to deliver

    38.7/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

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

    Incora

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

    Ability to deliver

    37/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9/10 Market Presence

    Service focus

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

    Toptal

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

    Ability to deliver

    38.3/40.0
    18.4/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  21. Arcanys Logotype

    Arcanys

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

    Ability to deliver

    38.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    8.7/10 Market Presence

    Service focus

    30% Web Development
    20% JavaScript
    70% Other
    View Profile Visit Website
  22. 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

    28% Web Development
    15% JavaScript
    72% Other
    View Profile Visit Website
  23. Blazity Logotype

    Blazity

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

    Ability to deliver

    37.5/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  24. Experion Technologies Logotype

    Experion Technologies

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

    Ability to deliver

    36.5/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    Human Made

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

    Ability to deliver

    37.8/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    100% Web Development
    30% JavaScript
    View Profile Visit Website
  26. Vincit Logotype

    Vincit

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

    Ability to deliver

    36.2/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
    View Profile Visit Website
  27. XWP Logotype

    XWP

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

    Ability to deliver

    35.5/40.0
    15.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    Flowout

    $5,000+
    $50 - $99 / hr
    50 - 249
    Maribor, Slovenia

    Ability to deliver

    36.1/40.0
    20/20 Reviews
    10/10 Clients & Experience
    6.1/10 Market Presence

    Service focus

    40% Web Development
    100% JavaScript
    60% Other
    View Profile Visit Website
  29. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

    37.6/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

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

    Merixstudio

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

    Ability to deliver

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

    Service focus

    50% Web Development
    10% JavaScript
    50% 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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