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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 19, 2026
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15 Leaders 15 Contenders

22,061 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

    What are Featured Providers?

    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

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

    Services provided

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

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% Java
    10% PHP
    10% Python
    10% Rust
    10% SQL
    10% Scala
    10% Swift

    Digis, a Fiverr company (NYSE: FVRR), is a web development firm specializing in full-stack and custom website development. Reviews consistently highlight their exceptional project management, technical expertise, and strong communication skills. Approximately 90% of reviewers commend their proactive and reliable service, resulting in improved project delivery times and increased user satisfaction across various web applications.

    See all 89 projects
    6 of 6 JavaScript reviews are 5 stars
    1 new review for JavaScript in past 6 months
    $10,000 – $49,000 avg. project cost

    JavaScript Experience

    Digis has received overwhelmingly positive feedback for their JavaScript services, with 90% of clients noting effective communication and timely delivery. Clients have praised the expertise of their developers, particularly in frontend and full-stack development, contributing to improved project turnaround times by 40%-50%. Notable strengths include their ability to adapt to client needs, provide high-quality code, and offer innovative solutions without requiring micromanagement. Overall, there are no significant areas for improvement mentioned, indicating strong client satisfaction.

    Read Most Recent Review
    17 of 23 Web Development reviews are 5 stars
    2 new reviews for Web Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Hosting Platform Development for Advertising & Marketing Co

    4.5 — Digis developed an automated hosting platform with cPanel integration, email automation, and GitHub automation for an advertising and marketing company. Read more
    Read 23 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (25) $50,000 to $199,999 (16) Less than $10,000 (8) $200,000 to $999,999 (6) $1,000,000 to $9,999,999 (4)

    What Clients Have Said

    Clients have consistently praised the company's cost-effectiveness and value for money. Many reviews note that Digis' pricing aligns well with client budgets while delivering high-quality work. For instance, one client highlighted that Digis offered 'good value for cost' and another mentioned a 'significant reduction in project turnaround time by 40%–50%.' Overall, the sentiment is overwhelmingly positive, with clients emphasizing their satisfaction with the quality of service relative to the investment made.
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    United States (29) Germany (7) Ukraine (7) England (4) France (4) Israel (3) South Africa (2) Canada (2) Italy (2) Sweden (2) Spain (2) Ireland (1) Netherlands (1) New Zealand (1) Poland (1) Romania (1) Russia (1) Lithuania (1) Latvia (1) Japan (1) Australia (1) Georgia (1) Scotland (1) Estonia (1)
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  • Figmatic Logotype

    Not yet reviewed

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

    Services provided

    60% Web Development
    20% Custom Software Development
    10% E-Commerce Development +1
    10% Low/No Code Development

    Focus Areas

    80% JavaScript
    20% Typescript

    Figmatic, a web development company, was launched in 2020. The team offers Web Development and Custom Software Development and is based in Bengaluru, India.

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  • ITLover Logotype

    ITLover

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

    Services provided

    70% Web Development
    15% E-Commerce Development
    15% Web Design

    Focus Areas

    50% JavaScript
    50% PHP

    ITLover Web Studio specializes in Website Development, Web Design, and Web Programming. The overall feedback highlights their ability to deliver projects on time and their attention to detail, resulting in improved user experiences, faster loading times, and enhanced SEO performance. Clients particularly appreciate the value for cost and effective communication throughout the project.

    See all 3 projects
    $1,000 Best for small/local businesses and freelancers $2,500 Ideal for growing brands and national companies $5,000 Built for global companies and online stores

    Professional WordPress Website Development

    We offer complete WordPress website development tailored to your business goals. Whether you're a startup, growing company, or established brand, we build fast, secure, and SEO-optimized websites using Elementor and the Hello Elementor theme. Each package includes responsive design, essential functionality, and performance optimization — with scala
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  • Taze Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Istanbul, Türkiye

    Services provided

    40% Web Development
    40% Mobile App Development
    20% UX/UI Design

    Focus Areas

    45% JavaScript
    20% Kotlin
    20% Swift +1
    15% SQL

    Taze is a web development firm. They are headquartered in Istanbul, Türkiye, and their services include Web Development and Mobile App Development.

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  • BannerWave Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    10 - 49
    Oak Park, IL

    Services provided

    20% Web Development
    20% Advertising
    20% Digital Strategy +3
    20% UX/UI Design
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    40% JavaScript
    40% HTML5
    20% Other programming & scripting languages

    BannerWave is an Oak Park, Illinois-based Advertising company. They focus on Advertising and Digital Strategy and were launched in 2015.

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  • Axisway Scotland Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    10 - 49
    Glasgow , Scotland

    Services provided

    30% Web Development
    30% Mobile App Development
    30% UX/UI Design +2
    5% Digital Strategy
    5% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    10% AJAX
    10% C++ +7
    10% Java
    10% Objective C
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% SQL
    10% Swift

    Axisway Scotland offers comprehensive services in Website Development, Web Design, and Mobile Application Development, focusing on creating user-centric and technically robust digital solutions. Reviews highlight their professional project management, timely delivery, and responsiveness to client needs, demonstrating a holistic approach that integrates user experience with cutting-edge technology.

    See all 1 projects

    More responsive than most other service providers

    Axisway Scotland is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
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  • BrickMate Group Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    250 - 999
    Ho Chi Minh City, Vietnam

    Services provided

    20% Web Development
    40% Mobile App Development
    10% AR/VR Development +4
    10% Enterprise App Modernization
    8% AI Development
    8% IoT Development
    4% Application Management & Support

    Focus Areas

    41% JavaScript
    11% Kotlin
    10% Java +5
    10% PHP
    10% Typescript
    8% Go
    5% SQL
    5% Swift

    App development company BrickMate Group was established in 2016. The team focuses on Mobile App Development and Web Development.

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  • Verz Design Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    50 - 249
    HH@Kallang, Singapore

    Services provided

    20% Web Development
    40% Web Design
    20% E-Commerce Development +2
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

    50% JavaScript
    50% PHP

    Headquartered in Singapore, Singapore, Verz Design is a web design company. Established in 2009, the team specializes in Web Design and Web Development.

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  • ODS Group Logotype

    ODS Group

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249

    Services provided

    20% Web Development
    20% IT Staff Augmentation
    20% Mobile App Development +4
    10% AI Development
    10% Application Testing
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    15% ASP.NET
    15% PHP +6
    15% Python
    15% Ruby
    10% ASP
    10% SQL
    5% Objective C
    5% Swift

    ODS Group is an IT staff augmentation company. They offer IT staff augmentation and Custom Software Development and were launched in 2012. The agency is in Sydney, Australia.

    Read more
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  • Lunchbreak Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Southwick, MA

    Services provided

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

    Focus Areas

    25% JavaScript
    40% PHP
    15% AJAX +3
    10% SQL
    5% HTML5
    5% jquery

    Lunchbreak is a web design company. The small Southwick, Massachusetts-based team provides Web Design and UX/UI Design. The agency was launched in 2017.

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  • Huis Digital Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    New York, NY

    Services provided

    35% Web Development
    40% Custom Software Development
    10% IT Strategy Consulting +2
    10% Low/No Code Development
    5% Mobile App Development

    Focus Areas

    10% JavaScript
    45% ASP.NET
    20% C# +2
    20% SQL
    5% Visual Basic

    Huis Digital is a custom software development company. The firm is located in New York, New York and San Diego, California. Their services include Custom Software Development and Web Development.

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  • BAZU Logotype

    BAZU

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Development
    10% AR/VR Development +7
    10% Blockchain
    10% Custom Software Development
    10% Graphic Design
    10% Logo
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    18% JavaScript
    29% PHP
    18% Typescript +4
    12% C#
    12% HTML5
    6% Swift
    5% Kotlin

    BAZU is a web design agency in Kyiv, Ukraine. They focus on Web Design and UX/UI Design and were founded in 2013.

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  • 4gency Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Beauvais, France

    Services provided

    20% Web Development
    20% Branding
    20% Mobile App Development +2
    20% Product Design
    20% UX/UI Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% PHP +2
    20% Typescript
    20% jquery

    Founded in 2015, 4gency is a small branding firm. Their team focuses on Branding and UX/UI Design.

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  • SheDev Logotype

    4.5 1 review
    $1,000+
    < $25 / hr
    10 - 49
    Gilgit, Pakistan

    Services provided

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

    Focus Areas

    40% JavaScript
    25% Visual Basic
    15% jquery +2
    10% Other programming & scripting languages
    10% PHP

    SheDev provides specialized services in content creation, branding, and LinkedIn-specific marketing strategies. The reviews consistently highlight their effectiveness in increasing brand visibility and engagement, with notable progress in followers, impressions, and overall community interaction. Clients commend SheDev's prompt communication and efficient project management, with no reported areas for improvement.

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    More responsive than most other service providers

    SheDev is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
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  • Ryware Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Princeton, NJ

    Services provided

    30% Web Development
    40% Custom Software Development
    20% Mobile App Development +1
    10% Cloud Consulting & SI

    Focus Areas

    30% JavaScript
    25% C#
    20% SQL +3
    10% Redux
    10% Typescript
    5% ASP.NET

    Headquartered in Tel Aviv-Yafo, Israel and Princeton, New Jersey, Ryware is a software development company. The team specializes in Custom Software Development and Web Development.

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  • Sapienix Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    25% UX/UI Design
    20% Custom Software Development +3
    20% Mobile App Development
    10% Staffing
    5% IT Strategy Consulting

    Focus Areas

    50% JavaScript
    50% HTML5

    Sapienix is an UX design agency. Their small team is headquartered in Dubai, United Arab Emirates and Երևան, Armenia. Their services include UX/UI Design and Custom Software Development.

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  • Pursuit Logotype

    Not yet reviewed

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

    Services provided

    40% Web Development
    20% AI Consulting
    20% AI Development +3
    10% Mobile App Development
    5% Custom Software Development
    5% Web Design

    Focus Areas

    21% JavaScript
    26% Python
    16% PHP +6
    11% AJAX
    6% Kotlin
    5% Other programming & scripting languages
    5% SQL
    5% Swift
    5% Typescript

    Pursuit is a web development company. The agency is headquartered in Amsterdam, Netherlands. Their services include Web Development and Artificial Intelligence.

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  • INFINITY SOFTWARE Logotype

    5.0 6 reviews
    $5,000+
    $25 - $49 / hr
    50 - 249
    Islamabad, Pakistan

    Services provided

    15% Web Development
    50% Mobile App Development
    15% Blockchain +2
    10% AI Development
    10% Application Management & Support

    Focus Areas

    25% JavaScript
    25% Python
    20% ASP.NET +3
    20% HTML5
    5% C#
    5% Typescript

    INFINITI SOFTWARE is a web development company specializing in custom website development, web design, and web application development. Clients consistently praised their attention to detail and project management, with 100% of reviews highlighting timely delivery and responsiveness. Their expertise in both front-end and back-end development has resulted in improved user engagement and SEO performance, making them a reliable partner for diverse web solutions.

    See all 6 projects
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  • The Knowledge Jar Logotype

    The Knowledge Jar

    Not yet reviewed

    $10,000+
    < $25 / hr
    50 - 249

    Services provided

    10% Web Development
    20% AI Development
    20% Custom Software Development +4
    15% BI & Big Data Consulting & SI
    15% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    55% JavaScript
    20% PHP
    15% Python +1
    10% Redux

    The Knowledge Jar is a software development firm. Established in 2022, the company is based in Frisco, Texas. Their team offers Custom Software Development and Artificial Intelligence.

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  • API PILOT Logotype

    API PILOT

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

    Services provided

    25% Web Development
    25% E-Commerce Development
    20% Custom Software Development +3
    10% API Development
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    50% JavaScript
    50% PHP

    API PILOT specializes in Website Development, including e-commerce solutions using WooCommerce, and offers services such as backend work, plugin integrations, site migration, maintenance, and hosting. The overall feedback emphasizes their proactive approach, honesty, and alignment with client values, though there is room for improvement in their billing process.

    See all 2 projects
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  • Himank Soft Solutions Private Limited Logotype

    Not yet reviewed

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

    Services provided

    55% Web Development
    25% API Development
    10% Custom Software Development +1
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% C# +5
    15% Redux
    15% jquery
    10% Swift
    5% Kotlin
    5% Typescript

    Himank Soft Solutions Private Limited is a website development company. They specialize in Web Development and API Development and were established in 2018.

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  • Einfonets Technologies Logotype

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

    Services provided

    30% Web Development
    25% Mobile App Development
    15% Product Design +4
    14% Low/No Code Development
    10% Custom Software Development
    5% UX/UI Design
    1% Web Design

    Focus Areas

    30% JavaScript
    20% Redux
    15% Typescript +4
    10% AJAX
    10% SQL
    10% Swift
    5% HTML5

    Einfonets Technologies offers Web Development, Web Design, and Custom Software/Product development services. Reviews highlight their ability to deliver clean, user-friendly interfaces and meet project goals, albeit with occasional minor delays. Clients commend their clear understanding of requirements and beneficial suggestions, making Einfonets Technologies a reliable choice for online development projects.

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  • IDEAPORT RIGA Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    50 - 249
    Rīga, Latvia

    Services provided

    15% Web Development
    25% CRM Consulting and SI
    20% Generative AI +5
    10% Custom Software Development
    10% Mobile App Development
    10% UX/UI Design
    5% Cloud Consulting & SI
    5% IT Strategy Consulting

    Focus Areas

    50% JavaScript
    20% Java
    15% ASP.NET +2
    10% Go
    5% Python

    Located in Rīga, Latvia, IDEAPORT RIGA is a CRM consulting and SI company. Founded in 2007, the team focuses on CRM consulting and SI and Generative AI.

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  • IntersoftKK Pvt. Ltd. Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    250 - 999
    Kolkata, India

    Services provided

    33% Web Development
    34% Mobile App Development
    13% Custom Software Development +2
    10% Low/No Code Development
    10% Robotics Process Automation

    Focus Areas

    20% JavaScript
    50% PHP
    10% AJAX +2
    10% Other programming & scripting languages
    10% Swift

    IntersoftKK Pvt. Ltd. Is an app development company. They offer Mobile App Development and Web Development and were established in 1998.

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  • websultanate Software Technologies Pvt Ltd Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    Lucknow, India

    Services provided

    25% Web Development
    40% Web Design
    15% Mobile App Development +2
    10% AR/VR Development
    10% E-Commerce Development

    Focus Areas

    73% JavaScript
    17% Redux
    6% PHP +2
    2% AJAX
    2% SQL

    Web design agency websultanate Software Technologies Pvt Ltd offers Web Design and Web Development. They are headquartered in Lucknow, India.

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  • Web Base Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Vânători, Romania

    Services provided

    30% Web Development
    30% Web Design
    20% Search Engine Optimization +2
    10% Pay Per Click
    10% Social Media Marketing

    Focus Areas

    50% JavaScript
    50% PHP

    Web Base is a web design agency. Established in 2025, the firm is based in Vânători, Romania. Their team provides Web Design and Web Development.

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  • Kodesinc Logotype

    Not yet reviewed

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

    Services provided

    30% Web Development
    30% IT Staff Augmentation
    20% Mobile App Development +2
    10% Low/No Code Development
    10% Other Application Development

    Focus Areas

    14% JavaScript
    16% Ruby
    13% Kotlin +15
    9% Java
    7% Redux
    7% SQL
    6% PHP
    6% Typescript
    4% AJAX
    4% XML
    3% C++
    2% C#
    2% Objective C
    2% Python
    2% Swift
    1% C
    1% Other programming & scripting languages
    1% Visual Basic

    Founded in 2021, Kodesinc, a small website development firm, is in Sugar Land, Texas. Their services include Web Development and IT staff augmentation.

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  • Pando Infinity Logotype

    5.0 1 review
    Undisclosed
    $25 - $49 / hr
    50 - 249
    Hanoi, Vietnam

    Services provided

    30% Web Development
    30% Blockchain
    20% Mobile App Development +1
    20% Other Application Development

    Focus Areas

    11% JavaScript
    12% Ember.js
    11% C# +6
    11% Java
    11% PHP
    11% Python
    11% Ruby
    11% SQL
    11% Swift

    Pando Infinity offers comprehensive Website Development and Web Design services, integrating advanced technologies to enhance platforms. The overall feedback highlights their exceptional performance, efficient project management, and strong communication skills. Clients appreciate their professional approach and responsiveness, citing Pando Infinity as the best among offshore development companies.

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  • PROTEUS-DT Logotype

    Not yet reviewed

    $50,000+
    $100 - $149 / hr
    10 - 49
    Singapore, Singapore

    Services provided

    25% Web Development
    35% Custom Software Development
    10% AI Development +3
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    30% JavaScript
    30% Go
    20% Typescript +2
    10% HTML5
    10% Python

    PROTEUS-DT is a custom software development company. In Singapore, Singapore and Kuala Lumpur, Malaysia, the firm specializes in Custom Software Development and Web Development.

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  • Cloudesign Technology Solutions Pvt. Ltd. Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    50 - 249
    Bengaluru, India

    Services provided

    10% Web Development
    20% Robotics Process Automation
    15% IT Staff Augmentation +5
    15% Mobile App Development
    10% AI Development
    10% Custom Software Development
    10% IoT Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    10% Java
    5% AJAX +15
    5% ASP.NET
    5% C#
    5% Kotlin
    5% Objective C
    5% Other programming & scripting languages
    5% PHP
    5% Perl
    5% Python
    5% Redux
    5% Ruby
    5% SQL
    5% Swift
    5% Typescript
    5% Visual Basic
    5% jquery

    Cloudesign Technology Solutions Pvt. Ltd. Is a Robotics Process Automation company founded in 2016. Their team offers Robotics Process Automation and IT staff augmentation.

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  • Pardberry Software Logotype

    5.0 1 review
    Undisclosed
    $25 - $49 / hr
    2 - 9
    Kyiv, Ukraine

    Services provided

    10% Web Development
    30% Custom Software Development
    20% Mobile App Development +4
    10% Blockchain
    10% E-Commerce Development
    10% IoT Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% Java +3
    20% Objective C
    20% Swift
    10% C#

    Pardberry Software is a software development company specializing in iOS applications, particularly for the real estate and e-commerce sectors. The feedback from their clients is overwhelmingly positive, with reviewers praising their ability to exceed expectations and deliver reliable results. Notably, 100% of the feedback highlights their effective communication and impressive development capabilities.

    See all 1 projects

    Industry Experience

    Pardberry Software has demonstrated strong expertise in the IT Services sector, particularly within the real estate and e-commerce industries. Clients commend their effective iOS development capabilities, with notable strengths in delivering high-quality products that exceed expectations. The overall sentiment is positive, highlighting their reliable communication and project management. Their success in producing MVPs and maintaining collaborative workflows suggests they are well-suited for projects in both real estate and e-commerce, making them a valuable partner for potential clients in these fields.

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    IT Services

    Average Project Cost Breakdown

    $10,000 to $49,000 (1)

    What Clients Have Said

    Clients have expressed high satisfaction with Pardberry Software's pricing and value for money, noting that the results exceeded expectations. One CEO highlighted the successful completion of a real estate SaaS app's MVP ahead of schedule, commending the team's reliability and quality of work. Overall, the sentiment reflects that clients consider the investment worthwhile, with no reported areas for improvement regarding cost-effectiveness.
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  • Pineapple Workshop Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Denver, CO

    Services provided

    33% Web Development
    34% Blockchain
    33% Custom Software Development

    Focus Areas

    55% JavaScript
    30% Typescript
    15% SQL

    Pineapple Workshop is a Denver, Colorado-based Blockchain company. They offer Blockchain and Custom Software Development.

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  • YohDev Logotype

    Not yet reviewed

    $5,000+
    $200 - $300 / hr
    2 - 9
    Winston-Salem, NC

    Services provided

    30% Web Development
    30% Custom Software Development
    20% Cloud Consulting & SI +2
    15% E-Commerce Development
    5% UX/UI Design

    Focus Areas

    70% JavaScript
    15% PHP
    15% SQL

    YohDev is a software development firm. They focus on Custom Software Development and Web Development and were established in 2017. The firm is headquartered in Winston-Salem, North Carolina.

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  • Trade EC Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    50 - 249
    Quito, Ecuador

    Services provided

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

    Focus Areas

    50% JavaScript
    30% Kotlin
    20% Python

    Trade EC, a website development firm, was founded in 2006. They offers Web Development and Mobile App Development.

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  • CodeTez Technologies Private Limited Logotype

    Not yet reviewed

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

    Services provided

    35% Web Development
    50% Mobile App Development
    15% UX/UI Design

    Focus Areas

    30% JavaScript
    35% PHP
    15% Typescript +2
    10% HTML5
    10% Redux

    CodeTez Technologies Private Limited, a mobile app development company, is located in Chennai, India. Founded in 2018, the team offers Mobile App Development and Web Development.

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  • Evergrowth Tech Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Business Consulting
    20% Marketing Strategy +2
    20% Search Engine Optimization
    20% Web Design

    Focus Areas

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

    Evergrowth Tech, a Marketing Strategy company, was founded in 2020. The small team provides Marketing Strategy and Search Engine Optimization.

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    $900 For startups needing cost-effective web apps. $1,800 For growing brands scaling digital reach. $4,800 For enterprises demanding performance & scale.

    Full-Stack Web Dev with React & Node.js

    Take your business further with high-performance, scalable websites built using React, Node.js, Angular, WordPress, and Vue.js. We create seamless, fast-loading web experiences that drive leads, boost conversions, and fuel growth. Ready to grow with confidence? Let’s talk — free strategy roadmap included.
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  • 10am Digital Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    North Booval, Australia

    Services provided

    50% Web Development
    20% Web Design
    15% UX/UI Design +2
    10% Content Marketing
    5% Logo

    Focus Areas

    30% JavaScript
    30% PHP
    20% SQL +3
    10% AJAX
    5% Python
    5% Typescript

    Founded in 2019, 10am Digital is a small website development company located in North Booval, Australia. Their team offers Web Development and Web Design.

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  • CodeAroma Technologies Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    Ahmedabad, India

    Services provided

    40% Web Development
    20% E-Commerce Development
    10% Custom Software Development +3
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    50% JavaScript
    50% PHP

    Web development company CodeAroma Technologies is headquartered in Ahmedabad, India. They provide Web Development and Custom Software Development.

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  • EWN Bangladesh Limited Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49
    Dhaka, Bangladesh

    Services provided

    25% Web Development
    30% Mobile App Development
    15% E-Commerce Development +3
    10% Custom Software Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

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

    Founded in 2021, EWN Bangladesh Limited is an app development firm. The company focuses on Mobile App Development and Web Development, and is small.

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  • GreatoDeal Logotype

    Not yet reviewed

    $50,000+
    $25 - $49 / hr
    50 - 249
    Amsterdam, Netherlands

    Services provided

    20% Web Development
    20% Custom Software Development
    20% DevOps Managed Services +2
    20% Enterprise App Modernization
    20% Mobile App Development

    Focus Areas

    40% JavaScript
    30% Python
    20% Typescript +1
    10% Java

    GreatoDeal is a custom software development firm. The midsize Amsterdam, Netherlands-based team offers Custom Software Development and Web Development. The company was founded in 2016.

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  • Huellas Labs Logotype

    Huellas Labs

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

    Services provided

    10% Web Development
    40% Blockchain
    18% Low/No Code Development +6
    10% Mobile App Development
    10% UX/UI Design
    5% Corporate Training & Coaching
    5% E-Commerce Development
    1% Custom Software Development
    1% Web Design

    Focus Areas

    45% JavaScript
    20% Other programming & scripting languages
    20% Redux +1
    15% Typescript

    Huellas Labs specializes in developing and implementing NFT marketplaces, leveraging expertise in blockchain technology and digital asset management. Reviewers commend Huellas Labs for delivering innovative, tailored solutions with effective project management and responsiveness. However, suggestions for improvement include enhancing communication efficiency and providing more detailed documentation. Overall, Huellas Labs is noted for its creativity, technical prowess, and commitment to client collaboration.

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  • Brightbulb Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Newchurch, England

    Services provided

    40% Web Development
    25% Graphic Design
    15% Web Design +2
    10% Custom Software Development
    10% Mobile App Development

    Focus Areas

    30% JavaScript
    50% PHP
    10% HTML5 +1
    10% jquery

    Brightbulb is a small web development company in Newchurch, England. Their services include Web Development and Graphic Design.

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  • Foxcode Logotype

    5.0 1 review
    $25,000+
    $50 - $99 / hr
    10 - 49
    Muscat, Oman

    Services provided

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

    Focus Areas

    40% JavaScript
    20% PHP
    20% Typescript +2
    10% Java
    10% SQL

    Foxcode is a globally active product engineering and design company headquartered in Oman, delivering transformative digital experiences across the GCC and MENA regions — and executing

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  • Webevis Technologies Logotype

    Webevis Technologies

    5.0 1 review
    $10,000+
    $50 - $99 / hr
    50 - 249

    Services provided

    40% Web Development
    20% Mobile App Development
    10% AI Development +3
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    35% JavaScript
    35% SQL
    30% HTML5

    Webevis Technologies offers digital marketing services, including SEO management, social media management, website creation, and content creation. Overall feedback indicates strong client satisfaction, highlighting their commitment to transparency, effective communication, and meeting deadlines. Clients commend Webevis Technologies for their dedicated resources and smart growth potential, resulting in significant business growth and successful project outcomes.

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  • Codana GmbH Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Heilbronn, Germany

    Services provided

    20% Web Development
    30% Mobile App Development
    25% IoT Development +3
    10% AR/VR Development
    10% Custom Software Development
    5% Robotics Process Automation

    Focus Areas

    10% JavaScript
    71% Typescript
    5% Java +5
    5% Redux
    3% SQL
    2% C#
    2% Swift
    2% XML

    Codana GmbH is an app development firm. Their team is located in Heilbronn, Germany and Stuttgart, Germany and provides Mobile App Development and IoT development.

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  • PIT SOLUTIONS Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    250 - 999
    Thiruvananthapuram, India

    Services provided

    30% Web Development
    30% Custom Software Development
    20% Mobile App Development +2
    10% AI Development
    10% E-Commerce Development

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% PHP +5
    15% SQL
    10% Java
    10% Python
    10% Ruby
    5% AJAX

    Software development firm PIT SOLUTIONS was established in 2000. The midsize team focuses on Custom Software Development and Web Development.

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  • ORA Logotype

    5.0 7 reviews
    $25,000+
    $100 - $149 / hr
    10 - 49
    Chicago, IL

    Services provided

    15% Web Development
    15% Mobile App Development
    10% Branding +6
    10% Digital Strategy
    10% Marketing Strategy
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% PHP
    10% ASP.NET +7
    10% C#
    10% C++
    10% Java
    5% Objective C
    5% Ruby
    5% SQL
    5% Swift

    ORA is an award-winning user experience and digital product studio with a combined portfolio of over 300 native mobile app, web app and internet-of-things products. For almost a decade ORA has been

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    See all 7 projects
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  • Artspace Logotype

    5.0 1 review
    $5,000+
    $25 - $49 / hr
    10 - 49
    T'bilisi, Georgia

    Services provided

    30% Web Development
    35% Custom Software Development
    10% IT Staff Augmentation +4
    10% Low/No Code Development
    5% E-Commerce Development
    5% IT Strategy Consulting
    5% Mobile App Development

    Focus Areas

    15% JavaScript
    20% PHP
    15% Java +6
    10% HTML5
    10% Other programming & scripting languages
    10% Python
    10% Typescript
    5% Kotlin
    5% Swift

    Artspace offers Website Development and Web Design services, evidenced by their ability to create a unique auto dealership website for TL Group. Clients praise Artspace for delivering projects on time, managing complex tasks efficiently, and demonstrating high-quality standards, often exceeding expectations where other companies could not. Their work is characterized by effective project management and responsiveness to client needs.

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  • Oxford Computer Consultants Ltd Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    50 - 249
    Oxford, England

    Services provided

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

    Focus Areas

    40% JavaScript
    60% C#

    Oxford Computer Consultants Ltd, a custom software development company, was established in 1989. The firm offers Custom Software Development and Mobile App Development, and is midsize.

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  • OneLeap Solutions Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    15% IT Strategy Consulting
    10% AI Consulting
    10% AI Development

    Focus Areas

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

    OneLeap Solutions is a web development company. They were established in 2013, and their services include Web Development and Custom Software Development.

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  • Ministry Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    London, England

    Services provided

    35% Web Development
    35% Web Design
    10% UX/UI Design +4
    5% Branding
    5% Cybersecurity
    5% Graphic Design
    5% Print Design

    Focus Areas

    15% JavaScript
    45% C++
    30% ASP.NET +1
    10% ASP

    Ministry is a small web design agency founded in 1998. Their team offers Web Design and Web Development.

    Read more
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Tell us what you need — we’ll match you with top agencies in minutes.

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At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

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Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

Ability to deliver
Focus
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 HTMLPanda
15 Vention

List of the Top 15 JavaScript Development Companies

  1. ImageX Logotype

    ImageX

    $75,000+
    $100 - $149 / hr
    50 - 249
    Vancouver, Canada

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    90% Web Development
    50% JavaScript
    10% Other
    View Profile Visit Website
  2. xfive Logotype

    xfive

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

    Ability to deliver

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

    Service focus

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

    Brainhub

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

    Ability to deliver

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

    Service focus

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

    The Software House

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

    Ability to deliver

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

    Service focus

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

    Xmartlabs

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

    Ability to deliver

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

    Service focus

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

    Airdev

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

    Ability to deliver

    38.5/40.0
    19.2/20 Reviews
    9.6/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  7. WPWeb Infotech Logotype

    WPWeb Infotech

    $25,000+
    < $25 / hr
    250 - 999
    Ahmedabad, India

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    65% Web Development
    20% JavaScript
    35% Other
    View Profile Visit Website
  8. Lizard Global Logotype

    Lizard Global

    $10,000+
    $50 - $99 / hr
    50 - 249
    Kuala Lumpur, Malaysia

    Ability to deliver

    39.3/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    30% Web Development
    70% JavaScript
    70% Other
    View Profile Visit Website
  9. PopArt Studio Logotype

    PopArt Studio

    $5,000+
    $50 - $99 / hr
    50 - 249
    Chicago, IL

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    35% Web Development
    40% JavaScript
    65% Other
    View Profile Visit Website
  10. Softonix Logotype

    Softonix

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

    Ability to deliver

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

    Service focus

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

    HTMLPanda

    $1,000+
    < $25 / hr
    250 - 999
    Walpole, MA

    Ability to deliver

    35.9/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  16. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

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

    Service focus

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

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

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

    Service focus

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

    PowerGate Software

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

    Ability to deliver

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

    Service focus

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

    Incora

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

    Ability to deliver

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

    Service focus

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

    Toptal

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

    Ability to deliver

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

    Service focus

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

    Arcanys

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

    Ability to deliver

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

    Service focus

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

    Cleveroad

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

    Ability to deliver

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

    Service focus

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

    Blazity

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

    Ability to deliver

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

    Service focus

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

    Experion Technologies

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

    Ability to deliver

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

    Service focus

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

    Human Made

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

    Ability to deliver

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

    Service focus

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

    Vincit

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

    Ability to deliver

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

    Service focus

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

    XWP

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

    Ability to deliver

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

    Service focus

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

    Flowout

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

    Ability to deliver

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

    Service focus

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

    Sigma Software Group

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

    Ability to deliver

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

    Service focus

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

    Merixstudio

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

    Ability to deliver

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

    Service focus

    50% Web Development
    10% JavaScript
    50% Other
    View Profile Visit Website

Top JavaScript Development Agencies

A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.

Most agencies bundle multiple offerings so clients can access full product life-cycle support:

  • Discovery workshops & technical consulting
  • UI/UX design and prototyping
  • Front-end SPA or PWA development
  • Server-side development with Node.js or Deno
  • API design, GraphQL, and microservices architecture
  • QA automation & performance testing
  • DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
  • Post-launch maintenance and feature sprints

Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.

Clutch data shows project budgets range widely:

  • MVP or small web app - $15,000–$50,000
  • Mid-size product build - $50,000–$200,000
  • Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.

  • Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
  • Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
  • Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
  • Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
  • Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.

Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.

  • Guaranteed timelines without discovery
  • No access to source code repositories during the engagement
  • Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
  • Low developer retention or high turnover
  • Vague pricing models or hidden fees

If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution

  • Which JavaScript frameworks do you specialize in, and why?
  • Can you walk me through a recent project with similar complexity?
  • How do you ensure code quality—linting, peer reviews, automated tests?
  • What is your approach to scalability and performance optimization?
  • How will we communicate and track progress (tools, meeting cadence)?
  • Who owns the intellectual property and source code upon project completion?

Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.

A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

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