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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: July 12, 2026
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22,259 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 91 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 and engineering service provider specializing in full-stack web development and custom website development. The company consistently receives positive feedback, with approximately 95% of reviews highlighting their high-quality developers and management excellence. Clients frequently commend their project management skills and responsiveness, making them a reliable partner for complex web programming and online development projects.

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  • Ciffone Digital Logotype

    4.8 3 reviews
    $1,000+
    $100 - $149 / hr
    2 - 9
    Chicago, IL

    Services provided

    30% Web Development
    40% Search Engine Optimization
    20% Digital Strategy +1
    10% Content Marketing

    Focus Areas

    30% JavaScript
    40% Python
    30% PHP

    Ciffone Digital is a distinguished web development company specializing in Website Development, Web Design, and content marketing services. Client feedback is overwhelmingly positive, with 100% expressing satisfaction with their strategic project management and organizational prowess. Many clients commend their ability to enhance online presence and generate leads, illustrating their expertise in custom website development and SEO strategies.

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  • ELSE Dev Studio Logotype

    5.0 2 reviews
    $25,000+
    $25 - $49 / hr
    10 - 49
    Yerevan, Armenia

    Services provided

    20% Web Development
    20% Blockchain
    20% Custom Software Development +5
    20% Mobile App Development
    5% E-Commerce Development
    5% Enterprise App Modernization
    5% Mobile & App Marketing
    5% Search Engine Optimization

    Focus Areas

    20% JavaScript
    15% Java
    15% SQL +8
    10% PHP
    10% Redux
    5% C#
    5% Go
    5% HTML5
    5% Kotlin
    5% Typescript
    5% jquery

    ELSE Team is a proficient IT company specializing in custom development, particularly in blockchain, backend, and frontend development services. The reviews indicate a 100% positive feedback, highlighting their expertise in blockchain technology, professionalism, responsiveness, and ability to deliver projects on time. Notably, 100% of reviewers appreciated their clear communication and quick delivery, underscoring a positive client experience.

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  • NetUplift Logotype

    5.0 3 reviews
    $1,000+
    $25 - $49 / hr
    2 - 9
    Taylor, TX

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Search Engine Optimization +3
    20% Web Design
    10% Direct Marketing
    10% UX/UI Design

    Focus Areas

    35% JavaScript
    50% PHP
    15% Kotlin

    NetUplift offers Website Development and SEO services, delivering detailed and visually appealing websites. Clients consistently praise their attention to detail, smooth project processes, and effective communication. Overall feedback highlights significant business growth post-launch and a positive working relationship, demonstrating NetUplift's capability in Web Dev and Online Development.

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  • ILUXA WEB Logotype

    5.0 1 review
    $10,000+
    $50 - $99 / hr
    2 - 9
    Poznań, Poland

    Services provided

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

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Python +2
    20% SQL
    20% Typescript

    ILUXA WEB is a web development company specializing in custom website development and full-stack web development. Their reviews highlight their technical expertise and the ability to deliver tailored solutions without relying on templates, with 100% positive feedback on their project management and responsiveness. Clients particularly appreciate the improvements in speed and usability of platforms they develop.

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  • Golux Technologies Logotype

    5.0 1 review
    $25,000+
    $50 - $99 / hr
    10 - 49
    Beograd, Serbia

    Services provided

    25% Web Development
    15% Digital Strategy
    10% Branding +5
    10% Custom Software Development
    10% IoT Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    50% JavaScript
    30% Ruby
    5% C +3
    5% Other programming & scripting languages
    5% Redux
    5% SQL

    Golux Technologies is a web development company specializing in Custom Website Development and Front-End Development. According to client feedback, they excel in code quality and adaptability, with 100% positive reviews highlighting their availability and deadline adherence. However, they lack QA engineers and designers and may not manage large-scale features independently.

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  • A2O Dev Logotype

    A2O Dev

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

    Services provided

    20% Web Development
    30% Custom Software Development
    15% E-Commerce Development +5
    15% Mobile App Development
    5% Application Testing
    5% DevOps Managed Services
    5% IT Managed Services
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    20% Typescript
    15% HTML5 +5
    15% PHP
    15% SQL
    10% AJAX
    10% Java
    5% jquery

    A2O Dev is a web development company that excels in delivering comprehensive custom website development, including both front-end and back-end solutions. Their reviews highlight a remarkable service-oriented mindset with 100% positive feedback, emphasizing their strong project management, timely delivery, and strategic guidance. Many clients appreciate their ability to seamlessly integrate into existing teams and provide tailored, full-stack development support.

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  • Wallis Info Logotype

    5.0 3 reviews
    $1,000+
    < $25 / hr
    10 - 49
    Ahmedabad, India

    Services provided

    10% Web Development
    15% Low/No Code Development
    15% Mobile App Development +8
    10% AR/VR Development
    10% E-Commerce Development
    10% UX/UI Design
    10% Web Design
    5% Application Testing
    5% Graphic Design
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    11% JavaScript
    21% PHP
    16% Swift +6
    15% Kotlin
    11% AJAX
    11% ASP.NET
    5% Java
    5% Objective C
    5% Other programming & scripting languages

    Wallis Info is a web development company specializing in web programming and mobile app development. Reviewers appreciate their effective project management, timely delivery, and adaptability to client needs. With 100% positive feedback, clients commend their high-quality services and innovative problem-solving approaches. Notably, their projects include custom website development and mobile app design with ongoing support and maintenance.

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  • SpaceRocket Creations Logotype

    5.0 4 reviews
    $1,000+
    < $25 / hr
    2 - 9
    Jaipur, India

    Services provided

    15% Web Development
    20% E-Commerce Development
    15% Web Design +7
    10% Marketing Strategy
    10% Search Engine Optimization
    10% UX/UI Design
    5% Digital Strategy
    5% Mobile App Development
    5% Pay Per Click
    5% Social Media Marketing

    Focus Areas

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

    SpaceRocket Creations is a web development company specializing in full-stack web development, web design, and online platform development. All reviewers expressed satisfaction with their deliverables, highlighting their strong work ethic and effective project management. Notably, 100% of the feedback was positive, with clients praising their responsiveness and commitment to meeting specific project needs.

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  • Fantasy Sports Solutions Logotype

    4.7 3 reviews
    $10,000+
    $25 - $49 / hr
    250 - 999
    Berlin, Germany

    Services provided

    20% Web Development
    20% Mobile App Development
    15% Application Testing +5
    10% Architectural Design
    10% Custom Software Development
    10% Other Application Development
    10% UX/UI Design
    5% Logo

    Focus Areas

    25% JavaScript
    25% PHP
    15% AJAX +5
    15% SQL
    5% C#
    5% Redux
    5% Ruby
    5% Swift

    Fantasy Sports Solutions is a web development company specializing in custom website development and web application development, particularly for fantasy sports platforms. Overall, the company has received positive feedback for its transparency and understanding of startup needs, with 100% of reviewers noting their effective project management despite minor communication challenges due to language.

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  • TouchSize Logotype

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    2 - 9
    București, Romania

    Services provided

    40% Web Development
    20% E-Commerce Development
    20% Mobile App Development +1
    20% Web Design

    Focus Areas

    40% JavaScript
    50% PHP
    10% AJAX

    TouchSize is a web design and consulting company that specializes in creating mobile-first platforms. The company received positive feedback from 100% of reviewers, highlighting their timely delivery, effective project management, and ongoing support post-project. The involvement of their leadership, particularly the CEO, was noted by 100% of reviewers as a significant benefit.

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  • The Delta Logotype

    4.8 2 reviews
    $5,000+
    $25 - $49 / hr
    50 - 249
    Cape Town, South Africa

    Services provided

    10% Web Development
    20% Content Marketing
    20% Digital Strategy +3
    20% Mobile App Development
    20% UX/UI Design
    10% Low/No Code Development

    Focus Areas

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

    The Delta is a venture-building firm specializing in developing MVPs and commercializing businesses. Reviews highlight their speed, effective communication, and alignment with client values. A high percentage of clients commend their responsiveness and innovative approach, with significant business growth reported, such as a 4x revenue increase. However, initial service offerings' clarity could improve.

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  • AltheraCode Logotype

    5.0 11 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Old Bridge, NJ

    Services provided

    10% Web Development
    25% AI Development
    25% Custom Software Development +6
    10% Digital Engineering
    10% Digital Strategy
    5% AI Consulting
    5% Generative AI
    5% IT Strategy Consulting
    5% Mobile App Development

    Focus Areas

    11% JavaScript
    33% Java
    12% Kotlin +4
    11% ASP.NET
    11% Objective C
    11% Python
    11% Swift

    AltheraCode is a web development company specializing in custom website development and full-stack web development. Reviewers highlight their effective project management and ability to transform ideas into user-friendly, scalable products. Impressively, 100% of feedback is positive, with clients noting their reliability and proactive partnership approach.

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  • ARESOURCEPOOL Logotype

    ARESOURCEPOOL

    5.0 6 reviews
    $25,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    15% Web Development
    15% Mobile App Development
    10% E-Commerce Development +9
    10% Logo
    10% Search Engine Optimization
    10% Social Media Marketing
    5% AI Development
    5% Ecommerce Marketing
    5% Graphic Design
    5% Mobile & App Marketing
    5% Pay Per Click
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    40% PHP
    10% ASP.NET +4
    10% Java
    10% Objective C
    10% Other programming & scripting languages
    10% Swift

    ARESOURCEPOOL is a web development company specializing in custom website development, web design, and app development. Review feedback highlights their professionalism and exceptional customer service, with 100% of reviewers noting their positive work mindset and customer orientation. The company is praised for timely project delivery and effective communication, ensuring client collaboration leads to successful outcomes.

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  • Astapor Technologies Logotype

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

    Services provided

    35% Web Development
    35% Mobile App Development
    30% ERP Consulting and SI

    Focus Areas

    15% JavaScript
    45% Java
    25% Kotlin +3
    5% Other programming & scripting languages
    5% SQL
    5% Swift

    Astapor Technologies is a web development company excelling in online development services. Their reviews highlight a strong emphasis on the quality of work and timely project completion, with 100% positive feedback on their project management and communication. Clients appreciate their good value for cost, making them a favorable choice for projects.

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  • IKEN Technology Logotype

    5.0 1 review
    $10,000+
    $50 - $99 / hr
    10 - 49
    Cairo, Egypt

    Services provided

    35% Web Development
    30% Mobile App Development
    25% Custom Software Development +1
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    20% C#
    15% ASP.NET +5
    15% PHP
    15% Swift
    10% Redux
    5% Kotlin
    5% Objective C

    IKEN Technology is a development company specializing in mobile app creation. They are highly rated for their technical expertise and ability to deliver projects on time, as evidenced by their successful deployment of a bug-free mobile app. With all feedback being positive, clients appreciate their value for cost and robust project management.

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  • 8Seneca Logotype

    5.0 10 reviews
    $1,000+
    < $25 / hr
    10 - 49
    Ha Noi, Vietnam

    Services provided

    20% Web Development
    30% Mobile App Development
    25% E-Commerce Development +3
    15% Custom Software Development
    5% UX/UI Design
    5% Web Design

    Focus Areas

    25% JavaScript
    30% Java
    15% Kotlin +2
    15% PHP
    15% Python

    8Seneca is a web development company specializing in full-stack web development, custom website development, and web application development. Client feedback highlights their effective project management, clear communication, and dedication, with 80% of reviews praising their proactive approach and commitment to deadlines. While minor improvements in documentation and early-stage quality assurance are suggested, overall client satisfaction remains high.

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  • BELICHBERG Logotype

    5.0 4 reviews
    $10,000+
    $100 - $149 / hr
    2 - 9
    Wien, Austria

    Services provided

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

    Focus Areas

    20% JavaScript
    70% Python
    10% Typescript

    BELICHBERG is a full-stack web development company praised for its proficient web developers and strong project management skills. With 100% positive feedback, reviewers highlight the company's ability to deliver high-quality, on-time solutions while accommodating project changes. Their expertise in web programming and commitment to client needs are particularly commendable.

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  • Abstra Logotype

    5.0 1 review
    $5,000+
    $25 - $49 / hr
    50 - 249
    Asunción, Paraguay

    Services provided

    15% Web Development
    30% Custom Software Development
    25% IT Staff Augmentation +3
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    20% C#
    10% Go +7
    10% Python
    10% Ruby
    10% SQL
    10% Swift
    10% Visual Basic
    5% Ember.js
    5% Objective C

    Abstra is a technology company specializing in the development of scalable solutions for remote proctoring and exam monitoring. The overall feedback is highly positive, with 100% of reviewers praising their ability to deliver projects on time with high-quality results. Notably, clients commend their adaptability, technical expertise, and proactive support.

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  • Zennovia Logotype

    4.8 2 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    AAP, Argentina

    Services provided

    10% Web Development
    55% Custom Software Development
    20% Mobile App Development +2
    10% IT Staff Augmentation
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    40% PHP
    15% ASP.NET +4
    15% SQL
    5% AJAX
    5% HTML5
    5% jquery

    Zennovia is a web application development company recognized for its expertise in custom website development and full-stack web development services. Their clients praise their technical knowledge and project management, with 100% of reviews highlighting timely, flexible solutions. However, there's a need for improvement in handling scope changes and resource management during staff absences.

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  • The Blackpepper Studio Logotype

    The Blackpepper Studio

    5.0 1 review
    $5,000+
    $100 - $149 / hr
    2 - 9

    Services provided

    10% Web Development
    15% Graphic Design
    15% Logo +5
    15% Packaging Design
    15% UX/UI Design
    10% Low/No Code Development
    10% Video Production
    10% Web Design

    Focus Areas

    100% JavaScript

    The Blackpepper Studio specializes in Website Development and Web Design, offering services that include creating brand identity and custom website solutions. According to reviews, they excel in communication and project management, with 100% positive feedback on their thorough understanding and execution of client needs, enhancing clients' market presence and business opportunities.

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  • DevArtisan SpA Logotype

    5.0 5 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Santiago, Chile

    Services provided

    30% Web Development
    30% Custom Software Development
    20% UX/UI Design +3
    10% AR/VR Development
    5% Mobile App Development
    5% Web Design

    Focus Areas

    32% JavaScript
    32% Redux
    31% PHP +1
    5% Typescript

    DevArtisan SpA is a Website Development company specializing in custom website and web application development. They have consistently received positive feedback, with 100% of clients noting their strong project management and communication skills. Their ability to significantly enhance user experience and security features is highlighted in 67% of reviews, showcasing their expertise in delivering impactful and reliable solutions.

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  • Silver River Software Logotype

    5.0 11 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Montevideo, Uruguay

    Services provided

    15% Web Development
    25% Custom Software Development
    25% IT Staff Augmentation +3
    15% Mobile App Development
    10% IT Strategy Consulting
    10% IoT Development

    Focus Areas

    30% JavaScript
    25% Ruby
    20% Elixir +5
    5% HTML5
    5% Python
    5% Redux
    5% SQL
    5% Typescript

    Silver River Software is a web development company known for providing comprehensive online development services, including website and web application development. With overwhelmingly positive feedback from their clients, they excel in technical proficiency and project management. Approximately 100% of reviews highlight their ability to deliver projects on time, often exceeding expectations, and their capacity to act as a collaborative and genuine partner.

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  • Mad Brains Technologies Logotype

    5.0 6 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Abohar, India

    Services provided

    30% Web Development
    50% UX/UI Design
    20% E-Commerce Development

    Focus Areas

    20% JavaScript
    50% PHP
    20% SQL +1
    10% AJAX

    Mad Brains Technologies is a versatile company excelling in SEO and UX design services. Their commitment to delivering high-quality results is reflected in positive feedback from clients, with 100% noting their effectiveness in project management and consistent output. Clients particularly appreciate their expertise, responsiveness, and alignment with business values, though more frequent initial updates could enhance their service.

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  • Reverence Global Logotype

    5.0 2 reviews
    $10,000+
    $200 - $300 / hr
    10 - 49
    Oakland, CA

    Services provided

    10% Web Development
    20% Marketing Strategy
    10% Branding +6
    10% Business Consulting
    10% E-Commerce Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    30% JavaScript
    20% PHP
    15% Other programming & scripting languages +4
    15% SQL
    10% Python
    5% AJAX
    5% Ruby

    Reverence Global is a web design and marketing company that excels in website redesign, digital marketing, and branding. They are highly regarded for their professionalism, efficient project management, and effective communication. With 100% positive feedback from reviewers, clients appreciate their capacity to address urgent needs promptly and the notable impact on business growth.

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  • Pathbrand Logotype

    Pathbrand

    4.9 6 reviews
    $5,000+
    $200 - $300 / hr
    2 - 9

    Services provided

    25% Web Development
    25% Branding
    25% Marketing Strategy +1
    25% Web Design

    Focus Areas

    25% JavaScript
    35% SQL
    30% PHP +1
    10% Other programming & scripting languages

    Pathbrand is a web development company specializing in Website Development, Web Design, and Custom Website Development services. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their efficiency, timely project delivery, and effective communication. Reviewers highlight Pathbrand's ability to handle complex problems with diverse solutions and express high satisfaction with their value for cost.

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  • Grinev Studio Logotype

    4.9 5 reviews
    $1,000+
    $50 - $99 / hr
    2 - 9
    Tacoma, WA

    Services provided

    50% Web Development
    20% E-Commerce Development
    10% Low/No Code Development +2
    10% Mobile App Development
    10% Web Design

    Focus Areas

    15% JavaScript
    30% PHP
    10% AJAX +6
    10% Java
    10% Python
    10% SQL
    5% HTML5
    5% Typescript
    5% XML

    Grinev Studio is a reputable web development company specializing in comprehensive solutions such as Web Design, Web Application Development, and API integration. Reviews indicate a high level of professionalism and knowledge, with 100% of clients praising their punctuality and ability to meet complex requirements. Clients particularly value their commitment to delivering tailored solutions and strong project management capabilities.

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  • Codesign Technologies Inc. Logotype

    Codesign Technologies Inc.

    4.8 8 reviews
    $1,000+
    $50 - $99 / hr
    2 - 9

    Services provided

    25% Web Development
    25% Search Engine Optimization
    25% Web Design +4
    10% Marketing Strategy
    5% Content Marketing
    5% Pay Per Click
    5% Social Media Marketing

    Focus Areas

    25% JavaScript
    25% Other programming & scripting languages
    25% PHP +1
    25% XML

    Codesign Technologies Inc. is a web development company specializing in custom website development and web design. Reviews highlight their professionalism, quality, and responsiveness, with 100% of clients impressed by these attributes. Clients report significant improvements, such as a 60% growth in traffic and on-time project delivery. Areas for improvement include response time, though overall feedback is overwhelmingly positive.

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  • IDIOSYS - A Global Leader in IT Consultancy Logotype

    4.9 5 reviews
    $1,000+
    < $25 / hr
    10 - 49
    Kolkata, India

    Services provided

    30% Web Development
    25% Custom Software Development
    15% E-Commerce Development +4
    10% Mobile App Development
    10% Web Design
    5% Digital Strategy
    5% Search Engine Optimization

    Focus Areas

    15% JavaScript
    40% PHP
    20% SQL +3
    15% Other programming & scripting languages
    5% AJAX
    5% Visual Basic

    IDIOSYS - A Global Leader in IT Consultancy specializes in Web Development, offering services including Website Design, Web Programming, and Full-Stack Web Development. Reviews highlight their excellent communication, fast delivery, and adaptability, with over 90% noting their responsive project management and customer satisfaction. Clients commend their effectiveness in creating secure, user-friendly websites and business-boosting digital solutions.

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  • ModriWeb Logotype

    5.0 3 reviews
    $1,000+
    $50 - $99 / hr
    2 - 9
    Beltinci, Slovenia

    Services provided

    35% Web Development
    20% Conversion Optimization
    20% Web Design +2
    15% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    50% JavaScript
    50% PHP

    ModriWeb, a web development company, consistently delivers timely and responsive services, emphasizing web design, development, and integration. With 100% positive feedback, clients appreciate their technical expertise in platforms like WordPress and Shopify, along with their excellent communication and alignment with company values, making them a reliable partner for enhancing digital presence.

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  • globalsoft Logotype

    5.0 12 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Široki Brijeg, Bosnia and Herzegovina

    Services provided

    25% Web Development
    30% IT Strategy Consulting
    25% Custom Software Development +2
    10% Cloud Consulting & SI
    10% UX/UI Design

    Focus Areas

    21% JavaScript
    26% Go
    21% PHP +3
    16% SQL
    11% Typescript
    5% C#

    globalsoft is a proficient web development company specializing in Custom Website Development and Full-Stack Web Development. They consistently receive favorable reviews, with 100% of clients praising their timely deliveries, transparency, and high-quality output. Clients highlight their impressive project management and innovative solutions, showing a strong dedication to meeting and exceeding expectations.

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  • Data EximIT Logotype

    4.5 2 reviews
    $1,000+
    < $25 / hr
    50 - 249
    Ahmedabad, India

    Services provided

    20% Web Development
    40% Mobile App Development
    20% E-Commerce Development +2
    10% Blockchain
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% Objective C +2
    20% PHP
    20% Swift

    Data EximIT is a mobile app development company highly regarded for its expertise in creating complex, cross-platform applications. Feedback indicates a strong project management and development team, with 100% of reviewers highlighting their professionalism and responsiveness. While successful in meeting project goals, some reviews suggest room for improvement in pre-development planning.

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  • AgileSchemata Logotype

    5.0 2 reviews
    $1,000+
    < $25 / hr
    2 - 9
    London, England

    Services provided

    50% Web Development
    25% UX/UI Design
    15% Web Design +1
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    40% Other programming & scripting languages
    25% PHP +2
    10% HTML5
    5% Perl

    AgileSchemata is a web development company specializing in Custom Website Development and UX solutions. With 100% positive feedback, clients commend their on-time delivery and effective communication. The company is recognized for enhancing user experiences, resulting in increased sales for clients.

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  • Surge – a Catalyte company Logotype

    4.8 5 reviews
    $50,000+
    $100 - $149 / hr
    250 - 999
    Baltimore, MD

    Services provided

    10% Web Development
    50% IT Staff Augmentation
    20% Custom Software Development +2
    10% Enterprise App Modernization
    10% Mobile App Development

    Focus Areas

    30% JavaScript
    15% C#
    15% Java +4
    10% ASP.NET
    10% Python
    10% SQL
    10% Typescript

    Surge – a Catalyte company is a web development firm specializing in full-stack web development and custom website development. The company consistently receives positive feedback for its quality deliverables and responsiveness, with 100% of reviewers commending their seamless process and flexibility. Surge is recognized for accommodating global time zones and maintaining high project management standards.

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  • WebHive Logotype

    4.9 5 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    Kyiv, Ukraine

    Services provided

    20% Web Development
    25% Mobile App Development
    20% E-Commerce Development +5
    10% UX/UI Design
    10% Web Design
    5% Application Management & Support
    5% Application Testing
    5% IT Managed Services

    Focus Areas

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

    WebHive is a web development company specializing in custom website development and online platforms. The feedback from their clients is overwhelmingly positive, with particular praise for their project management and attention to detail. Approximately 90% of reviewers commend their effective communication and responsiveness, while 80% note timely delivery despite occasional delays due to evolving project specifications.

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  • WEFT Technologies Logotype

    4.8 9 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249
    Kakkanad, India

    Services provided

    15% Web Development
    15% Custom Software Development
    15% E-Commerce Development +7
    15% Mobile App Development
    10% UX/UI Design
    10% Web Design
    5% IT Managed Services
    5% Search Engine Optimization
    5% Social Media Marketing
    5% Video Production

    Focus Areas

    10% JavaScript
    15% ASP.NET
    15% Java +7
    15% Kotlin
    10% AJAX
    10% ASP
    10% SQL
    5% Other programming & scripting languages
    5% PHP
    5% Swift

    WEFT Technologies is a web development company that specializes in custom website and software solutions, showcasing expertise in both Front-End and Back-End Development. Clients highlight their commitment to quality, with 100% of reviewers noting timely project delivery and effective communication. While most feedback is positive, some suggest improvements in post-launch support services.

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  • kadasolutions Logotype

    5.0 4 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Zürich, Switzerland

    Services provided

    30% Web Development
    30% Mobile App Development
    10% Custom Software Development +3
    10% Graphic Design
    10% IT Staff Augmentation
    10% UX/UI Design

    Focus Areas

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

    kadasolutions is a web development company specializing in Website Development and Web Application Development. Reviews highlight their professional approach, excellent project management, and ability to deliver on time. Impressively, 100% of reviewers praised their understanding of client needs and high-quality service, making them a highly recommended partner for online development projects.

    See all 4 projects
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  • F.P.D. Consulting & Solutions Logotype

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

    Services provided

    10% Web Development
    20% UX/UI Design
    15% Custom Software Development +7
    10% Digital Strategy
    10% E-Commerce Development
    10% Mobile App Development
    10% Search Engine Optimization
    5% Branding
    5% Social Media Marketing
    5% Video Production

    Focus Areas

    30% JavaScript
    15% Other programming & scripting languages
    15% PHP +4
    15% SQL
    10% C#
    10% Java
    5% ASP.NET

    F.P.D. Consulting & Solutions is a website development company specializing in web design and online store development. The feedback highlights a 100% satisfaction rate, with clients praising their project management, innovative ideas, and effective design solutions. Approximately 75% of reviewers noted significant traffic increases, emphasizing their expertise in full-stack web development and web application development.

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  • USYKpro Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    2 - 9
    Rīga, Latvia

    Services provided

    15% Web Development
    15% Video Production
    10% Branding +6
    10% Content Marketing
    10% Custom Software Development
    10% Mobile & App Marketing
    10% Pay Per Click
    10% Social Media Marketing
    10% Web Design

    Focus Areas

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

    USYKpro is a full-service marketing agency specializing in comprehensive online development, including Website Development and social media management. With a 100% positive feedback rate, reviewers consistently praise their personalized approach and innovative solutions, leading to significant client growth and market success.

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  • Joshua Wolfe Logotype

    Joshua Wolfe

    5.0 3 reviews
    Undisclosed
    $50 - $99 / hr
    Freelancer

    Services provided

    65% Web Development
    35% Web Design

    Focus Areas

    10% JavaScript
    90% PHP

    Joshua Wolfe is a highly adept web development company specializing in Custom Website Development and Web Design. With a 100% positive feedback rate, clients commend their swift work, excellent technical skills, and strategic thinking. Approximately 50% of reviewers highlight the company's impressive communication and ability to exceed expectations.

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  • Vanta Studios Logotype

    Vanta Studios

    4.8 2 reviews
    $5,000+
    $100 - $149 / hr
    10 - 49

    Services provided

    15% Web Development
    15% Branding
    10% Low/No Code Development +9
    10% Search Engine Optimization
    10% Video Production
    10% Web Design
    5% Content Marketing
    5% Corporate Photography
    5% Email Marketing
    5% Mobile & App Marketing
    5% Other Digital Marketing
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    30% PHP
    10% Ruby +6
    10% SQL
    10% Swift
    5% AJAX
    5% Elixir
    5% Java
    5% XML

    Vanta Studios is a versatile marketing agency known for its expertise in creating promotional videos, as evidenced by their engagements with artists and tech firms. Reviews highlight their professionalism, aesthetic vision, and effective communication, with 100% of clients expressing satisfaction and no mentions of areas for improvement.

    See all 2 projects
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  • Mindcraft Logotype

    Mindcraft

    5.0 1 review
    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    20% Web Development
    25% Graphic Design
    25% UX/UI Design +3
    10% Custom Software Development
    10% Logo
    10% Low/No Code Development

    Focus Areas

    45% JavaScript
    20% SQL
    15% Python +2
    10% C++
    10% PHP

    Mindcraft is a branding and design agency specializing in logo creation and comprehensive branding strategies. Reviews indicate a 100% satisfaction rate, highlighting their commitment to exceptional customer service and timely project delivery. Nearly all reviewers emphasize their professionalism, attention to detail, and ability to enhance brand recognition and perception. Mindcraft's dedication to client satisfaction and their collaborative approach are frequently praised.

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  • Logica Logotype

    5.0 2 reviews
    $5,000+
    $25 - $49 / hr
    10 - 49
    Managua, Nicaragua

    Services provided

    25% Web Development
    25% Custom Software Development
    25% IT Staff Augmentation +2
    15% Web Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% C# +2
    20% Java
    20% PHP

    Logica is a technology solutions provider specializing in custom application development and web services. Their clients commend them for their seamless integration into teams, effective communication, and ability to deliver high-quality, timely solutions. Logica's work consistently results in increased efficiency and new revenue streams. Approximately 100% of reviews highlight their impressive skill set, transparency, and cost-effectiveness, with no noted areas for improvement.

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  • Ninefold Logotype

    4.8 8 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    Sofia, Bulgaria

    Services provided

    10% Web Development
    30% Mobile App Development
    10% AI Development +5
    10% AR/VR Development
    10% Application Management & Support
    10% Custom Software Development
    10% IT Strategy Consulting
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    15% Java
    15% Kotlin +4
    15% Objective C
    15% PHP
    15% Swift
    10% Other programming & scripting languages

    Ninefold is a web development company specializing in full-stack web development, including custom website development and web application development. Reviews highlight exceptional project management and high-quality development as prominent themes, with 100% positive feedback on these aspects. While their timelines may require improvement, their focus on understanding project requirements ensures efficient product delivery.

    See all 8 projects
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  • JSbot Logotype

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

    Services provided

    10% Web Development
    50% Custom Software Development
    20% Enterprise App Modernization +1
    20% Mobile App Development

    Focus Areas

    100% JavaScript

    JSbot is a development company specializing in JavaScript, with expertise in HTML, React Native, and Node.js. The feedback highlights their responsive project management and impressive code quality. Approximately 100% of reviewers appreciate their responsiveness, while 20% mention the importance of understanding language and time differences. Overall, clients express satisfaction with JSbot's services and technical understanding.

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  • NovaFlow Studio Logotype

    5.0 3 reviews
    $1,000+
    $25 - $49 / hr
    10 - 49
    San Francisco, CA

    Services provided

    25% Web Development
    15% Low/No Code Development
    15% Mobile App Development +4
    15% UX/UI Design
    10% AR/VR Development
    10% IT Strategy Consulting
    10% Web Design

    Focus Areas

    20% JavaScript
    13% PHP
    7% ASP.NET +9
    7% C#
    7% HTML5
    7% Java
    7% Kotlin
    7% Redux
    7% SQL
    7% Swift
    7% jquery
    4% AJAX

    NovaFlow Studio is a web development company specializing in custom website development and web design using Webflow. The reviews highlight their impressive speed and commitment, with 100% positive feedback on their project execution and communication. Clients appreciate their budget-friendly pricing and successful delivery of engaging websites, although some suggest expanding into app development.

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  • RedBytes Software Logotype

    3.3 3 reviews
    $5,000+
    $25 - $49 / hr
    50 - 249
    Pune, India

    Services provided

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

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% Java +4
    15% PHP
    15% Python
    10% Other programming & scripting languages
    10% Ruby

    RedBytes Software is a development company offering services in Android and iOS app development, website development, and backend development. The reviews indicate a mixed reception, with approximately 67% expressing satisfaction with their quality and project management. However, 33% noted issues, including unmet expectations and poor customer service. Many reviewers appreciated their process-driven approach and the quality of customer support, although there are suggestions for improvement in proactive design and communication between developers.

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  • Web Artisan Logotype

    5.0 1 review
    $1,000+
    < $25 / hr
    2 - 9
    Bački Petrovac, Serbia

    Services provided

    60% Web Development
    20% E-Commerce Development
    10% Application Testing +1
    10% Other Application Development

    Focus Areas

    40% JavaScript
    40% PHP
    20% SQL

    Web Artisan is a web development company specializing in full-stack web development and custom website development. They have received overwhelmingly positive feedback, with 100% of reviews highlighting their timely delivery and budget adherence. Clients commend their responsiveness, solution-oriented approach, and expertise in enhancing website speed and mobile responsiveness.

    See all 1 projects
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  • &Pixels Logotype

    5.0 2 reviews
    Undisclosed
    Undisclosed
    2 - 9
    Pflugerville, TX

    Services provided

    30% Web Development
    25% UX/UI Design
    10% AI Consulting +4
    10% Generative AI
    10% Mobile App Development
    10% Web Design
    5% AI Development

    Focus Areas

    50% JavaScript
    25% Typescript
    15% PHP +1
    10% Python

    &Pixels is a web development company recognized for delivering seamless website updates and maintaining high maintenance standards. They are praised for their quick response times, impressive relationship-building, and delivering projects ahead of schedule. Approximately 100% of reviewers highlight their top-notch service and alignment with company values.

    See all 2 projects
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  • Comston Technologies Logotype

    Comston Technologies

    5.0 12 reviews
    $50,000+
    $25 - $49 / hr
    2 - 9

    Services provided

    30% Web Development
    30% Mobile App Development
    10% BI & Big Data Consulting & SI +3
    10% Blockchain
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% C++
    20% Java +4
    20% Python
    10% Redux
    5% C#
    5% Typescript

    Comston Technologies specializes in Website Development and Web Design, providing tailored solutions that enhance workflow efficiency. Their clients commend the company's reliable, responsive team and transparent project management, which ensures timely and effective communication. While their performance is generally swift, some clients have expressed a desire for even faster service delivery.

    See all 12 projects
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  • Krotov Studio Logotype

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

    Services provided

    30% Web Development
    30% Search Engine Optimization
    20% Web Design +2
    10% AI Development
    10% Conversion Optimization

    Focus Areas

    40% JavaScript
    40% PHP
    10% Java +1
    10% Swift

    Krotov Studio is a web development company specializing in custom website development and e-commerce solutions. Their reviews highlight a 100% positive feedback rate, with clients praising their responsive design, seamless AI chatbot integration, and effective project management. They are noted for their meticulous attention to detail and dedication to delivering smooth, user-friendly web experiences.

    See all 1 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 The Software House
4 Brainhub
5 Xmartlabs
6 GeekyAnts
7 FocusReactive
8 Lizard Global
9 PopArt Studio
10 Softonix
11 HTMLPanda
12 INOXOFT
13 Vention
14 Cleveroad
15 Scopic

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

    60% Web Development
    50% JavaScript
    40% Other
    View Profile Visit Website
  3. The Software House Logotype

    The Software House

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

    Ability to deliver

    39.6/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    40% Web Development
    60% JavaScript
    60% Other
    View Profile Visit Website
  4. Brainhub Logotype

    Brainhub

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

    Ability to deliver

    38.7/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    45% Web Development
    75% JavaScript
    55% 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. 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

    20% Web Development
    40% JavaScript
    80% Other
    View Profile Visit Website
  7. FocusReactive Logotype

    FocusReactive

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

    Ability to deliver

    38.7/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    50% Web Development
    90% JavaScript
    50% Other
    View Profile Visit Website
  8. Lizard Global Logotype

    Lizard Global

    $10,000+
    $50 - $99 / hr
    50 - 249
    Amsterdam, Netherlands

    Ability to deliver

    39.1/40.0
    19.8/20 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
    Warszawa, Poland

    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. 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
  12. INOXOFT Logotype

    INOXOFT

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

    Ability to deliver

    39.2/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  14. Cleveroad Logotype

    Cleveroad

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

    Ability to deliver

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

    Service focus

    30% Web Development
    15% JavaScript
    70% Other
    View Profile Visit Website
  15. Scopic Logotype

    Scopic

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

    Ability to deliver

    38.9/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  16. 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
  17. Boldare Logotype

    Boldare

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

    Ability to deliver

    39.6/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    20% Web Development
    50% JavaScript
    80% Other
    View Profile Visit Website
  18. unicrew Logotype

    unicrew

    $10,000+
    $25 - $49 / hr
    50 - 249
    Kraków, Poland

    Ability to deliver

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

    Service focus

    20% Web Development
    50% JavaScript
    80% Other
    View Profile Visit Website
  19. 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
  20. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

    36.1/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  21. Toptal Logotype

    Toptal

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

    Ability to deliver

    38.1/40.0
    18.2/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  22. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    36/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  23. The Frontend Company Logotype

    The Frontend Company

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

    Ability to deliver

    37.5/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    55% Web Development
    80% JavaScript
    45% Other
    View Profile Visit Website
  24. PowerGate Software Logotype

    PowerGate Software

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

    Ability to deliver

    38.3/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    30% Web Development
    21% JavaScript
    70% Other
    View Profile Visit Website
  25. 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
  26. 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

    45% Web Development
    10% JavaScript
    55% Other
    View Profile Visit Website
  27. Binary Studio Logotype

    Binary Studio

    $25,000+
    $50 - $99 / hr
    50 - 249
    L'viv, Ukraine

    Ability to deliver

    39/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    30% Web Development
    40% JavaScript
    70% Other
    View Profile Visit Website
  28. Vincit Logotype

    Vincit

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

    Ability to deliver

    36.1/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

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

    Naturaily

    $25,000+
    $50 - $99 / hr
    10 - 49
    Wrocław, Poland

    Ability to deliver

    38.1/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    70% JavaScript
    60% 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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