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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 16, 2026
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15 Leaders 15 Contenders

22,049 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

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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), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.

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  • Tec-Sense Innovations Pvt. Ltd. Logotype

    4.8 9 reviews
    $1,000+
    < $25 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    30% Web Development
    20% Mobile App Development
    15% E-Commerce Development +4
    10% Digital Strategy
    10% Low/No Code Development
    10% Web Design
    5% Search Engine Optimization

    Focus Areas

    25% JavaScript
    45% PHP
    15% Swift +2
    10% AJAX
    5% SQL

    Tec-Sense Innovations Pvt. Ltd. is a web development company specializing in custom website development, web design, and full-stack web development services. The company is praised for its excellent communication and project management, with 100% of reviewers highlighting their responsiveness and collaborative approach. While some minor areas for improvement are noted, their commitment to quality and client satisfaction is consistently recognized.

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  • Protos Technology LLC Logotype

    Protos Technology LLC

    4.8 5 reviews
    $25,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    25% Web Development
    50% Custom Software Development
    15% Mobile App Development +1
    10% E-Commerce Development

    Focus Areas

    30% JavaScript
    50% Typescript
    10% C# +2
    5% C++
    5% SQL

    Protos Technology is a web development company specializing in custom website development and web design. They have received overwhelmingly positive feedback from their clients, with 100% of reviewers praising their flexibility, professionalism, and ability to meet client needs through tailored solutions. Their expertise in integrating features like Google Analytics and Google Maps has been particularly noted for enhancing clients' online presence.

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  • UAPP Logotype

    UAPP

    4.8 5 reviews
    $5,000+
    $50 - $99 / hr
    50 - 249

    Services provided

    30% Web Development
    40% Custom Software Development
    20% E-Commerce Development +1
    10% Mobile App Development

    Focus Areas

    25% JavaScript
    30% Java
    15% Typescript +4
    10% PHP
    10% Redux
    5% Kotlin
    5% SQL

    UAPP is a comprehensive software development company offering services such as business analysis, design, digital marketing, and SEO. They are praised for their personalized approach and strong project management, with 100% of reviewers noting their commitment to quality and effective communication. No negative feedback was reported, highlighting their ability to meet client needs proficiently.

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  • ELITech Systems Logotype

    ELITech Systems

    5.0 4 reviews
    $1,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    30% Web Development
    20% Mobile App Development
    10% CRM Consulting and SI +4
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    30% PHP
    20% Swift +4
    10% Apex
    10% Kotlin
    10% SQL
    10% Typescript

    ELITech Systems is a versatile software development company specializing in custom solutions for various industries, such as dental, appraisal, and HRMS. Across their reviews, clients consistently praise their technical expertise, excellent communication, and ability to deliver projects efficiently and cost-effectively. Impressively, 100% of the reviewers commend their speed, quality, and flexibility in project execution.

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  • Manao Software Logotype

    5.0 2 reviews
    $5,000+
    $25 - $49 / hr
    50 - 249
    Chiang Mai, Thailand

    Services provided

    20% Web Development
    30% Custom Software Development
    20% IT Staff Augmentation +2
    20% Mobile App Development
    10% Application Testing

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% C# +4
    10% Java
    10% Objective C
    10% SQL
    10% Swift

    Manao Software is a software development company specializing in building and maintaining applications for businesses. They receive overwhelmingly positive feedback, with clients praising their professionalism, communication skills, and ability to deliver within scope and budget. Approximately 90% of reviewers highlight their seamless project management and technical competence, while minor areas for improvement include adherence to timelines.

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  • Gila Software Logotype

    4.7 7 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Chandler, AZ

    Services provided

    20% Web Development
    40% IT Staff Augmentation
    20% Custom Software Development +1
    20% Mobile App Development

    Focus Areas

    30% JavaScript
    30% PHP
    10% HTML5 +3
    10% Python
    10% Typescript
    10% jquery

    Gila Software offers Website Development, Web Design, and Web Programming services. Feedback from clients highlights the company's responsiveness, timely project delivery, and openness to client ideas. A recurring theme across reviews is their effective project management and ability to provide valuable insights through comprehensive dashboards.

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  • IceFyre Logotype

    5.0 5 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Marblehead, MA

    Services provided

    25% Web Development
    50% Custom Software Development
    15% Mobile App Development +1
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    25% ASP.NET
    25% C# +3
    20% SQL
    10% Python
    10% Typescript

    IceFyre Solutions is a web development company specializing in custom software and full-stack web development. The company consistently receives high praise for delivering projects on time and demonstrating a strong commitment to quality, collaboration, and proactive problem-solving. With 100% positive feedback, reviewers commend their expertise, responsiveness, and seamless integration with client teams.

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  • Vasudev Innovative Software Logotype

    4.9 9 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Sahibzada Ajit Singh Nagar, India

    Services provided

    35% Web Development
    20% Custom Software Development
    20% Mobile App Development +2
    15% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    15% Redux
    10% Kotlin +9
    10% PHP
    10% Swift
    10% Typescript
    5% AJAX
    5% ASP.NET
    5% C#
    5% HTML5
    5% backbone.js
    5% jquery

    Vasudev Innovative Software is a versatile web development company specializing in custom website development, web application development, and full-stack web development, among other services. The company has garnered a positive reputation from clients, with 95% of reviews highlighting their communication and project management skills. Many reviewers commend the team’s transparency, flexibility, and ability to deliver precise results according to client specifications.

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  • CHYRKOV studio Logotype

    5.0 3 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    București, Romania

    Services provided

    20% Web Development
    30% UX/UI Design
    15% Web Design +5
    10% AR/VR Development
    10% Low/No Code Development
    5% Branding
    5% Graphic Design
    5% Logo

    Focus Areas

    28% JavaScript
    28% PHP
    17% Python +2
    17% SQL
    10% AJAX

    CHYRKOV studio is a web development company known for its expertise in enhancing website usability and design. With a strong focus on custom website development and web programming, 100% of the feedback highlights their professionalism, timely delivery, and effective communication, resulting in a 20% sales increase and improved order processing efficiency.

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  • Axel Logotype

    5.0 8 reviews
    $25,000+
    $50 - $99 / hr
    10 - 49
    Tampa, FL

    Services provided

    20% Web Development
    40% Mobile App Development
    20% Custom Software Development +2
    10% UX/UI Design
    10% Web Design

    Focus Areas

    25% JavaScript
    25% Kotlin
    25% PHP +1
    25% Swift

    Axel is a versatile web development company that specializes in web application development, mobile app creation, and custom website development. With a 100% satisfaction rate, reviewers commend Axel for its responsive project management, timely delivery, and innovative solutions. Approximately 80% of reviewers highlight their excellent communication and ability to understand client needs, while 60% emphasize their cost-effectiveness and high-quality results.

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  • Time4 Digital Logotype

    5.0 5 reviews
    $10,000+
    $100 - $149 / hr
    10 - 49
    Tychy, Poland

    Services provided

    40% Web Development
    60% Web Design

    Focus Areas

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

    Time4 Digital is a proficient web development company specializing in custom website development, front-end development, and CMS configuration. Across reviews, 100% of clients commend their technical expertise, communication, and ability to meet deadlines. Clients appreciate their responsiveness and modern technology use, while noting room for improvement in project management collaboration for even smoother operations.

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  • BITLogix Pvt. Ltd Logotype

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

    Services provided

    10% Web Development
    30% Custom Software Development
    15% IT Staff Augmentation +7
    10% Cloud Consulting & SI
    10% Mobile App Development
    5% AI Development
    5% Application Management & Support
    5% BI & Big Data Consulting & SI
    5% Enterprise App Modernization
    5% Other Application Development

    Focus Areas

    30% JavaScript
    40% ASP.NET
    30% SQL

    BITLogix Pvt. Ltd is a web development company specializing in custom website development and process automation. The overall feedback is overwhelmingly positive, with 100% of reviewers praising their professional service, timely delivery, and the significant operational improvements brought by their solutions. Key highlights include increased efficiency, improved collaboration, and cost savings through automation.

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  • Quintagroup Logotype

    4.5 14 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249
    L'viv, Ukraine

    Services provided

    100% Web Development

    Focus Areas

    10% JavaScript
    90% Python

    Quintagroup is a web development company specializing in custom website development and web application development, particularly using Plone CMS. The reviews are overwhelmingly positive, with 100% of clients highlighting their expertise, communicative approach, and project management skills. Approximately 50% of reviewers commend their ability to deliver tailored solutions efficiently. Their adaptability and commitment to client satisfaction are consistently praised.

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  • Pepper Square Inc. Logotype

    4.8 6 reviews
    $50,000+
    $50 - $99 / hr
    50 - 249
    Bengaluru, India

    Services provided

    20% Web Development
    55% UX/UI Design
    25% Mobile App Development

    Focus Areas

    25% JavaScript
    25% Python
    20% Swift +3
    10% Kotlin
    10% Redux
    10% SQL

    Pepper Square Inc. is a web development company specializing in web design, WordPress development, and digital strategy execution. Customers praise their commitment, agility, and design thinking, with 100% positive feedback highlighting seamless project management and improved website performance metrics, including increased user engagement and conversions.

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  • Wire Media Logotype

    4.8 16 reviews
    $50,000+
    $150 - $199 / hr
    2 - 9
    Marina del Rey, CA

    Services provided

    20% Web Development
    50% UX/UI Design
    30% Web Design

    Focus Areas

    30% JavaScript
    50% PHP
    20% SQL

    Wire Media is a web development company specializing in custom website development and web design, with a strong emphasis on user experience and strategic web architecture. The company receives predominantly positive feedback, with clients appreciating their personalized service, efficient project management, and responsiveness to client needs. Approximately 80% of reviewers noted their satisfaction with Wire Media's ability to align with organizational values and deliver on time and within budget.

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  • Barwenock Logotype

    4.9 7 reviews
    $5,000+
    $25 - $49 / hr
    50 - 249
    Kyiv, Ukraine

    Services provided

    15% Web Development
    50% E-Commerce Development
    20% IT Staff Augmentation +1
    15% IT Managed Services

    Focus Areas

    20% JavaScript
    35% PHP
    10% Other programming & scripting languages +5
    10% SQL
    10% Typescript
    5% Go
    5% Redux
    5% XML

    Barwenock is a proficient Web Development company specializing in Magento, Custom Node, and React development, consistently praised for their high-quality services and technical expertise. With over 90% positive feedback, clients commend their professionalism, reliability, and exceptional project management skills, including the effective use of tools like Jira and Slack for seamless collaboration and communication.

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  • Zgraya Digital Logotype

    4.9 26 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Tallinn, Estonia

    Services provided

    15% Web Development
    60% Web Design
    10% Branding +2
    10% Mobile App Development
    5% UX/UI Design

    Focus Areas

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

    Zgraya Digital is a web development agency renowned for its exceptional design and development capabilities, particularly in custom website development, web design, and web programming. Across numerous reviews, clients praised the company's professionalism, creativity, and ability to exceed expectations, with over 90% of feedback highlighting effective communication and project management. Clients consistently noted Zgraya's dedication to understanding and realizing their vision, resulting in high-quality, impactful web solutions.

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  • Talentelgia Technologies Logotype

    4.9 7 reviews
    $1,000+
    Undisclosed
    50 - 249
    Sahibzada Ajit Singh Nagar, India

    Services provided

    15% Web Development
    15% Mobile App Development
    10% AI Development +6
    10% API Development
    10% AR/VR Development
    10% Blockchain
    10% Custom Software Development
    10% E-Commerce Development
    10% Web Design

    Focus Areas

    11% JavaScript
    12% AJAX
    11% ASP.NET +6
    11% Java
    11% PHP
    11% Python
    11% Ruby
    11% SQL
    11% Swift

    Talentelgia Technologies is a web development company specializing in custom website development, web application development, and full-stack web development. Praised for their excellent communication, timely delivery, and high-quality work, 100% of reviewers note their professionalism and adaptability. Their expertise in both front-end and back-end development has led to successful project outcomes, with clients consistently expressing satisfaction and recommending their services.

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  • Codment Logotype

    5.0 10 reviews
    $1,000+
    < $25 / hr
    50 - 249
    Islandia, NY

    Services provided

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

    Focus Areas

    11% JavaScript
    13% PHP
    11% Python +13
    5% C++
    5% Ember.js
    5% Java
    5% Kotlin
    5% Objective C
    5% Other programming & scripting languages
    5% Perl
    5% Redux
    5% Ruby
    5% SQL
    5% Swift
    5% Visual Basic
    5% XML

    Codment is a web development company specializing in custom website design and programming services. The company consistently receives positive feedback, with reviewers praising their timely delivery, effective project management, and consultative approach. All reviewers expressed satisfaction with the final results, and none reported any areas for improvement, highlighting Codment’s commitment to superior customer service and quality work.

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  • Asahi Technologies Logotype

    5.0 16 reviews
    $25,000+
    $50 - $99 / hr
    10 - 49
    New York, NY

    Services provided

    25% Web Development
    40% Custom Software Development
    25% Mobile App Development +1
    10% IT Staff Augmentation

    Focus Areas

    20% JavaScript
    70% Java
    10% ASP.NET

    Asahi Technologies is a web development company specializing in Website Development and Full-Stack Web Development, with a strong focus on delivering custom solutions. Across reviews, clients consistently praise their exceptional communication and project management. With a 100% positive feedback rate, clients commend their ability to meet deadlines and the quality of their developers' work and skillsets.

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  • Design Culture Logotype

    4.9 10 reviews
    $10,000+
    $100 - $149 / hr
    10 - 49
    London , England

    Services provided

    30% Web Development
    30% Web Design
    25% E-Commerce Development +3
    5% Branding
    5% Digital Strategy
    5% Search Engine Optimization

    Focus Areas

    35% JavaScript
    40% PHP
    15% SQL +1
    10% XML

    Design Culture, a web development company, specializes in creating tailored, user-friendly websites that enhance client visibility and engagement across various sectors. With 100% positive feedback, clients highlight their impressive project management, flexibility, and ability to translate complex needs into practical web solutions. Approximately 80% of reviews emphasize their strong communication and understanding of client objectives.

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  • Makimo Logotype

    5.0 11 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Łódź, Poland

    Services provided

    20% Web Development
    40% Custom Software Development
    20% UX/UI Design +2
    10% Enterprise App Modernization
    10% Mobile App Development

    Focus Areas

    35% JavaScript
    35% Python
    10% Elixir +2
    10% Java
    10% Kotlin

    Makimo is a custom website development company specializing in full-stack web and web application development. With 100% positive feedback, clients commend their high-quality code, strong testing processes, and responsive communication. Makimo effectively manages projects using agile methodologies, offering scalable and efficient solutions tailored to diverse needs, from educational platforms to research-focused web applications.

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  • Lowgular Logotype

    4.9 7 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Łódź, Poland

    Services provided

    20% Web Development
    30% Custom Software Development
    10% E-Commerce Development +4
    10% IT Staff Augmentation
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    55% HTML5
    35% Typescript

    Lowgular is a professional web development company specializing in custom website and web application development, particularly with Angular. The company has consistently received positive feedback for their project management, communication, and technical expertise, with 100% of reviewers highlighting their proactivity and commitment. Clients appreciate their knowledge, transparency, and effective delivery of projects on time, underscoring Lowgular's reliability as a development partner.

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  • Five2One Logotype

    Five2One

    5.0 3 reviews
    $25,000+
    $100 - $149 / hr
    10 - 49

    Services provided

    15% Web Development
    35% Mobile App Development
    30% Custom Software Development +2
    10% AI Development
    10% Blockchain

    Focus Areas

    60% JavaScript
    30% Python
    10% SQL

    Five2One is a full-stack development company specializing in building complex technology solutions, such as blockchain platforms and mobile applications. Across reviews, they are praised for their technical expertise, excellent project management, and responsiveness, with 100% positive feedback. Many clients commend their ability to exceed expectations and foster clear communication, with over 60% highlighting their domain knowledge and patient approach.

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  • Digital Deployment Logotype

    5.0 2 reviews
    $50,000+
    $100 - $149 / hr
    10 - 49
    Sacramento, CA

    Services provided

    40% Web Development
    40% Web Design
    10% AR/VR Development +1
    10% Low/No Code Development

    Focus Areas

    11% JavaScript
    17% Other programming & scripting languages
    17% Swift +5
    11% Ember.js
    11% Kotlin
    11% PHP
    11% Python
    11% Redux

    Digital Deployment is a web development company specializing in custom website development and CMS integration, primarily using Drupal. Their reviews are overwhelmingly positive, with clients praising their project management, innovative web design, and responsive support, as evidenced by 100% of reviewers highlighting their effective problem-solving and communication. However, a few noted areas for improvement, such as integration with social media platforms.

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  • HEPTA Logotype

    5.0 32 reviews
    $10,000+
    $100 - $149 / hr
    10 - 49
    Mumbai, India

    Services provided

    50% Web Development
    50% E-Commerce Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Go +7
    10% PHP
    10% Python
    10% Redux
    10% Ruby
    10% SQL
    10% Swift
    10% XML

    HEPTA is a web development company specializing in full-stack web development, custom website development, and web application development. The firm consistently receives positive feedback, with clients praising their quick turnaround times, effective communication, and superior project management. Approximately 90% of reviewers commend HEPTA for their seamless collaboration and ability to adapt to specific client needs and visions.

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  • COLAB Logotype

    5.0 2 reviews
    $50,000+
    $100 - $149 / hr
    10 - 49
    Richmond, VA

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Digital Strategy +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    30% JavaScript
    40% PHP
    20% Python +2
    5% AJAX
    5% SQL

    COLAB is a web development company specializing in Website Development and Web Design, offering services in both Front-End and Back-End Development. With a 100% positive feedback rate, clients consistently praise their exceptional project management, proactive communication, and dedication to client needs, making them a valued partner rather than just a vendor.

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  • Cubic Solutions.Inc Logotype

    4.9 9 reviews
    $75,000+
    $50 - $99 / hr
    50 - 249
    Lahore, Pakistan

    Services provided

    10% Web Development
    40% IT Staff Augmentation
    10% Custom Software Development +5
    10% E-Commerce Development
    10% Low/No Code Development
    10% Mobile App Development
    5% Application Management & Support
    5% Business Consulting

    Focus Areas

    30% JavaScript
    25% PHP
    25% Python +3
    10% Typescript
    5% HTML5
    5% Other programming & scripting languages

    Cubic Solutions.Inc is a web development company specializing in Custom Website Development and IT Staffing Services. Feedback from clients highlights their professionalism, timely delivery, and strong communication skills, with 100% of reviews emphasizing their supportive team and project alignment. While clients are generally satisfied, 50% mentioned a need for improvement in deliverable timeframes.

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  • Digi Hotshot Logotype

    5.0 2 reviews
    $10,000+
    $200 - $300 / hr
    2 - 9
    San Francisco, CA

    Services provided

    50% Web Development
    30% Web Design
    10% Low/No Code Development +1
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    80% HTML5

    Digi Hotshot is a web development company specializing in custom website development and web design. The company is praised for its speed, responsiveness, and ability to meet project deadlines, with 100% of reviewers highlighting its timely delivery and budget-friendly pricing. Reviewers appreciated their flexible approach and effective communication, noting no significant areas for improvement.

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  • Logo Poppin Logotype

    Logo Poppin

    5.0 20 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    25% Custom Software Development
    20% E-Commerce Development +3
    15% Logo
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    40% PHP
    10% AJAX +4
    10% ASP
    10% ASP.NET
    10% C++
    10% XML

    Logo Poppin is a web development company known for its robust Website Development and Web Design services. They maintain a strong focus on customer service, with 100% of reviews highlighting promptness and effective communication. Clients appreciate their capability to transform concepts into fully functional and visually appealing websites, meeting client needs with efficiency and precision.

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  • Moka Logotype

    5.0 10 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Buenos Aires, Argentina

    Services provided

    10% Web Development
    50% UX/UI Design
    15% Custom Software Development +2
    15% Web Design
    10% Low/No Code Development

    Focus Areas

    30% JavaScript
    30% PHP
    20% Python +1
    20% Typescript

    Moka is a web development company specializing in custom website development, web design, and full-stack web development. The reviews highlight Moka's strong communication, agility, and expertise, with 100% positive feedback on project outcomes such as reducing bounce rates and enhancing user experience. Clients appreciate Moka's ability to deliver high-quality, tailored web solutions efficiently, with 80% of reviews mentioning their adaptability and commitment to client goals.

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  • Info-Polus Logotype

    4.9 4 reviews
    $5,000+
    $25 - $49 / hr
    50 - 249
    Kyiv, Ukraine

    Services provided

    30% Web Development
    30% Custom Software Development
    10% Application Management & Support +3
    10% E-Commerce Development
    10% Mobile App Development
    10% Other Application Development

    Focus Areas

    30% JavaScript
    20% Typescript
    15% Other programming & scripting languages +3
    15% Python
    10% Go
    10% Redux

    Info-Polus is a full-stack web development company, specializing in back-end and front-end development with technologies like AWS, Node.js, and React. Reviews highlight their impressive project management and timely delivery, with 100% positive feedback emphasizing their professionalism and ability to complete tasks efficiently and effectively.

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  • Coma Web Development Logotype

    5.0 14 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Rīga, Latvia

    Services provided

    30% Web Development
    20% E-Commerce Development
    20% UX/UI Design +2
    20% Web Design
    10% IT Managed Services

    Focus Areas

    10% JavaScript
    65% PHP
    15% SQL +1
    10% XML

    Coma Web Development is a full-stack web development company specializing in custom website development, web application development, and e-commerce solutions. With 100% of reviewers praising their professionalism, responsiveness, and on-time delivery, Coma Web Development has been commended for enhancing client communication and achieving substantial business growth through their technical expertise and comprehensive project management.

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  • Zee Palm Logotype

    Zee Palm

    5.0 6 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49

    Services provided

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

    Focus Areas

    25% JavaScript
    25% Other programming & scripting languages
    25% Python +1
    25% Typescript

    Zee Palm is a web development company specializing in comprehensive services such as Front-End Development, Back-End Development, and Web Application Development. The company received predominantly positive feedback, with 100% of reviewers praising their speed and efficiency, although a management platform switch was noted as an area for improvement.

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  • Bluebird Technologies Logotype

    5.0 4 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Johannesburg, South Africa

    Services provided

    30% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    10% Application Management & Support
    10% E-Commerce Development
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    20% C#
    20% Typescript +4
    15% ASP.NET
    15% SQL
    10% PHP
    5% Other programming & scripting languages

    Bluebird Technologies is a proficient web development company specializing in full-stack web development and web application development. Their expertise is highlighted by the successful creation of a React web application and REST API, with 100% of reviewers praising their quick and competent delivery. While their responsiveness and technical proficiency impress, feedback indicates a need for increased workforce capacity.

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  • Global Happiness Sweden AB Logotype

    5.0 1 review
    $10,000+
    $100 - $149 / hr
    10 - 49
    Stockholm, Sweden

    Services provided

    35% Web Development
    35% Web Design
    30% UX/UI Design

    Focus Areas

    25% JavaScript
    30% PHP
    25% SQL +4
    5% AJAX
    5% HTML5
    5% Other programming & scripting languages
    5% XML

    Global Happiness Sweden AB is a web development company specializing in Drupal and WordPress project architecture, development, and support. Reviews highlight a 100% satisfaction rate, emphasizing timely project delivery, excellent project management, and strong alignment with client values, with no reported areas for improvement. Clients appreciate their synergy and well-organized processes in Web Development and Web Design.

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  • 5StarDesigners Ltd. Logotype

    4.9 17 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    London, England

    Services provided

    15% Web Development
    30% Blockchain
    30% Mobile App Development +1
    25% Custom Software Development

    Focus Areas

    10% JavaScript
    10% Java
    10% Kotlin +7
    10% PHP
    10% Python
    10% Redux
    10% Ruby
    10% SQL
    10% Swift
    10% Typescript

    5StarDesigners Ltd. is a web development company specializing in custom website development, web application development, and full-stack web development. The company has received overwhelmingly positive feedback for its strong project management, effective communication, and high-quality deliverables. Approximately 100% of reviewers highlight their professionalism and responsiveness, with a few noting the need for expanded services.

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  • Utima Solutions Logotype

    5.0 7 reviews
    $25,000+
    $50 - $99 / hr
    10 - 49
    Brno, Czech Republic

    Services provided

    20% Web Development
    30% AI Development
    30% Custom Software Development +2
    10% AI Agents
    10% Mobile App Development

    Focus Areas

    50% JavaScript
    50% Java

    Utima Solutions is a web development company specializing in web-based AI applications and custom website development. The company is praised for its technical expertise and human-centered design, achieving over 90% positive feedback for usability and clarity. Clients appreciate their timely delivery and ability to create intuitive systems tailored to unique workflows.

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  • Siili Solutions Logotype

    4.9 7 reviews
    $50,000+
    $50 - $99 / hr
    250 - 999
    Helsinki, Finland

    Services provided

    25% Web Development
    15% AI Consulting
    15% AI Development +3
    15% Custom Software Development
    15% IT Staff Augmentation
    15% UX/UI Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% Java
    10% Kotlin
    10% Other programming & scripting languages
    10% Python
    10% SQL
    10% Swift
    10% Typescript

    Siili Solutions is a comprehensive web development company specializing in full-stack web and mobile application development, as well as web design and web programming on AWS resources. With 100% positive feedback, clients commend their professionalism, timely delivery, and impressive project management skills. Reviewers highlight Siili Solutions' excellent cultural fit and value for cost.

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  • Equaleyes d.o.o. Logotype

    4.9 21 reviews
    $100,000+
    $50 - $99 / hr
    50 - 249
    Ljubljana - Črnuče, Slovenia

    Services provided

    43% Web Development
    30% Mobile App Development
    10% Custom Software Development +5
    7% UX/UI Design
    5% Application Testing
    2% Product Design
    2% Web Design
    1% Graphic Design

    Focus Areas

    20% JavaScript
    25% Swift
    10% Java +5
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% SQL
    5% C#

    Equaleyes d.o.o. is a web development company praised for its expertise in web application development, custom website development, and effective project management. With approximately 100% positive feedback, clients commend their patience, communication skills, and ability to meet tight deadlines. The firm is recognized for delivering quality services and maintaining a strong client relationship, which aids in achieving significant business milestones.

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  • Convergence Logotype

    5.0 11 reviews
    $50,000+
    $100 - $149 / hr
    10 - 49
    Vancouver, Canada

    Services provided

    15% Web Development
    50% Custom Software Development
    15% AI Development +2
    10% AI Consulting
    10% Low/No Code Development

    Focus Areas

    40% JavaScript
    40% Typescript
    20% Python

    Convergence is a full-stack web development company specializing in custom website development, web application development, and web programming. The company consistently receives positive feedback, with reviewers praising their project management, customer service, and technical expertise. Notably, 100% of reviewers commend their responsiveness and ability to meet project requirements, while 67% mention their CEO's proactive involvement in ensuring project success.

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  • BlackBean | Industrial Marketing Logotype

    4.9 13 reviews
    $10,000+
    $100 - $149 / hr
    2 - 9
    Kelowna, Canada

    Services provided

    25% Web Development
    35% Marketing Strategy
    15% Branding +2
    15% Search Engine Optimization
    10% Low/No Code Development

    Focus Areas

    40% JavaScript
    40% Typescript
    10% PHP +1
    10% Ruby

    BlackBean | Industrial Marketing is a boutique agency specializing in Website Development and online marketing solutions for diverse clients, including industrial, nonprofit, and small business sectors. Their reviews reflect a 100% positive sentiment, highlighting their strong communication, professionalism, and ability to deliver user-friendly, efficient, and visually appealing websites. Clients commend their responsiveness and innovative approach, although some remark on the complexity of their digital tools.

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  • Aurity Logotype

    Aurity

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

    Services provided

    15% Web Development
    30% IT Staff Augmentation
    25% Mobile App Development +3
    10% AR/VR Development
    10% Blockchain
    10% IT Strategy Consulting

    Focus Areas

    33% JavaScript
    11% Go
    11% Kotlin +5
    11% Other programming & scripting languages
    11% Redux
    11% Visual Basic
    6% AJAX
    6% SQL

    Aurity is a specialized software development company focusing primarily on React and React Native applications. Across multiple reviews, clients praise Aurity for their technical expertise, particularly in React, and their effective communication skills, with no major areas for improvement noted. Approximately 100% of reviewers highlight their satisfaction with Aurity's development services and project outcomes, indicating a strong positive reception.

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  • DevCave Logotype

    DevCave

    5.0 1 review
    $5,000+
    $25 - $49 / hr
    2 - 9

    Services provided

    30% Web Development
    20% Generative AI
    20% Mobile App Development +2
    15% AI Consulting
    15% AI Development

    Focus Areas

    40% JavaScript
    20% Ruby
    15% Redux +3
    15% Typescript
    5% C
    5% HTML5

    DevCave is a web development company recognized for its proficiency in upgrading web applications, specifically in Ruby on Rails. The company received 100% positive feedback for its responsiveness and ability to maintain website functionality while meeting deadlines. Reviewers highlighted DevCave's impressive web development skillset and efficient project management.

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  • State Creative Logotype

    4.8 21 reviews
    $10,000+
    $100 - $149 / hr
    2 - 9
    Oakland, CA

    Services provided

    25% Web Development
    35% Web Design
    10% Cybersecurity +3
    10% E-Commerce Development
    10% Product Design
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    45% PHP
    25% SQL +1
    10% Java

    State Creative is a proficient web development company specializing in custom website development and full-stack web development, with a focus on creating tailored solutions for diverse clients. Across their reviews, 100% of clients expressed satisfaction with their project management and communication expertise. Notably, 83% of reviewers highlighted the team’s professionalism and organizational skills, while 67% praised the enhanced functionality and user experience of the websites created.

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  • JatApp Logotype

    4.9 38 reviews
    $50,000+
    $50 - $99 / hr
    50 - 249
    Kyiv, Ukraine

    Services provided

    20% Web Development
    20% Custom Software Development
    20% IT Staff Augmentation +4
    20% Mobile App Development
    10% IT Managed Services
    5% IT Strategy Consulting
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    30% PHP
    30% Swift +1
    20% Kotlin

    JatApp is a versatile software development company specializing in web and mobile application development. The feedback from clients highlights their professionalism, with an emphasis on structured project management and effective communication. A significant 100% of reviewers praised JatApp for their adaptability and ability to integrate seamlessly with existing systems, while providing valuable insights and solutions throughout the development process.

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  • Metal Toad Logotype

    4.4 10 reviews
    $25,000+
    $150 - $199 / hr
    50 - 249
    Los Angeles, CA

    Services provided

    10% Web Development
    30% Cloud Consulting & SI
    10% Application Management & Support +5
    10% BI & Big Data Consulting & SI
    10% Custom Software Development
    10% Generative AI
    10% IT Managed Services
    10% Mobile App Development

    Focus Areas

    30% JavaScript
    10% ASP.NET
    10% C# +5
    10% Java
    10% Objective C
    10% PHP
    10% Python
    10% SQL

    Metal Toad is a full-stack web development company that excels in custom website and application development, offering comprehensive solutions from front-end to back-end development. The company is praised for its adaptability and strong project management, with 100% of reviews highlighting their ability to handle complex tasks and maintain effective communication. Clients appreciate their responsiveness and ability to tailor solutions to specific business needs, underpinning their reputation as a reliable long-term partner.

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  • Brander Studio Logotype

    4.8 5 reviews
    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    20% Web Development
    40% E-Commerce Development
    40% Mobile App Development

    Focus Areas

    20% JavaScript
    25% Java
    25% PHP +3
    15% Objective C
    10% Swift
    5% Python

    Brander Studio is a web development company specializing in custom website development, web design, and full-stack web development. Reviews highlight their exceptional expertise in Magento 2, holistic project management, and effective promotional strategies. Impressively, 100% of reviewers noted significant improvements in user experience and conversion rates, underscoring Brander Studio's commitment to client success and satisfaction.

    See all 5 projects
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  • Simplistics Web Design Inc. Logotype

    5.0 5 reviews
    $5,000+
    $200 - $300 / hr
    10 - 49
    Toronto, Canada

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% UX/UI Design +5
    10% Custom Software Development
    10% Low/No Code Development
    10% Web Design
    5% Application Management & Support
    5% IT Managed Services

    Focus Areas

    30% JavaScript
    40% PHP
    15% AJAX +1
    15% SQL

    Simplistics Web Design Inc. is a web development company specializing in website development, custom website development, and ongoing support services. Reviews highlight their responsive communication, problem-solving capabilities, and high-quality deliverables, with 100% of clients expressing satisfaction. Their personalized service and reasonable pricing make them a preferred long-term partner for various industries.

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  • VFG Logotype

    4.9 4 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Montevideo, Uruguay

    Services provided

    70% Web Development
    30% Mobile App Development

    Focus Areas

    30% JavaScript
    60% C#
    10% SQL

    VFG is a full-stack web development company specializing in web application development and custom website development. They consistently receive positive feedback for their technical expertise and customer engagement, with both reviewers praising their ability to deliver high-quality solutions and maintain strong client relationships. While 100% of reviewers noted some delays in delivery, they commend VFG's excellent project management and adaptability.

    See all 4 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 Scopic
12 GeekyAnts
13 INOXOFT
14 SpdLoad
15 HTMLPanda

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. Scopic Logotype

    Scopic

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

    Ability to deliver

    39.5/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  12. 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
  13. 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
  14. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    36.6/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  15. 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. 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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