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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

22,059 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
    3 of 3 reviews are 5 stars
    2 new reviews for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 3 times in the past 6 months

    In the last six months, clients have expressed high satisfaction with Digis, a Fiverr company (NYSE: FVRR), highlighting their impressive responsiveness and quality of development. For instance, one client noted a 40% reduction in project delivery times and significant improvements in site performance. Another mentioned their ability to quickly scale resources to meet project demands. Overall, the sentiment is overwhelmingly positive, with clients appreciating the team's integration and collaborative approach, leaving little room for improvement.
    Read 3 Recent Reviews
    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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  • Ghostwriting Professionals Logotype

    Ghostwriting Professionals

    4.3 7 reviews
    $50,000+
    $100 - $149 / hr
    50 - 249

    Services provided

    10% Web Development
    30% Content Marketing
    20% Logo +3
    20% Web Design
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Ember.js +7
    10% Java
    10% Objective C
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Redux
    10% Swift

    Ghostwriting Professionals offer ghostwriting, book marketing, and content solutions. Their reviews reveal mixed feedback: one client expressed dissatisfaction due to unfulfilled promises and contract breaches, while another praised their dedication and quality content output. Approximately 50% of reviews mention unmet expectations, whereas the other 50% highlight timely delivery and creativity.

    See all 7 projects

    Reviews mention High-quality work

    Ghostwriting Professionals received high praise for delivering high-quality work, as highlighted by Mathieson Dunston from All Valley Escrow, who noted that the team made the challenging task of creating website content effortless. The collaboration was seamless, and the timely delivery of quality output significantly alleviated the client's stress. Dunston emphasized their dedication and expressed complete satisfaction, stating that no improvements were necessary, further reinforcing the positive sentiment surrounding their work.
    • Content Marketing for Real Estate Company
      4.5 Nov 29, 2022

      The most stressful phase of this project was getting the right content for our web pages, but working with creative individuals from Ghost Writing Professionals made this task look like a no-brainer; they were on time and ensured me quality output. And they did it, all my stress was gone, and I was happy with the results.

      Read Full Review
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    Industry Experience

    Ghostwriting Professionals has garnered mixed feedback across various industries. In the consulting sector, clients reported dissatisfaction with the quality and delivery of ghostwriting, editing, and marketing services, highlighting significant issues with professionalism and follow-through. Conversely, in the real estate industry, feedback was notably positive, with clients appreciating timely and quality content creation for web projects. Overall, potential clients in real estate may find this provider a better fit, while those in consulting should exercise caution.

    Read All Reviews

    Select Industry to see insights

    Consulting Real estate

    Average Project Cost Breakdown

    $10,000 to $49,000 (2)

    What Clients Have Said

    Client feedback on Ghostwriting Professionals reflects a mixed sentiment regarding cost and value for money. While one client appreciated the company's pricing as fitting their budget, others expressed dissatisfaction, citing unmet promises and a lack of delivered services. For instance, a client reported having to write their own books after a year of failed collaboration, highlighting concerns over the company's follow-through and overall value. Conversely, another client praised the timely and quality content delivery, indicating some positive experiences in terms of value.
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  • Wingman Partners Logotype

    Wingman Partners

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Cloud Consulting & SI
    20% Custom Software Development +4
    10% AI Development
    10% Application Testing
    10% IoT Development
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    20% SQL
    10% AJAX +7
    10% Ember.js
    10% Java
    10% Kotlin
    10% Python
    10% Redux
    5% C#
    5% C++

    Wingman Partners is a midsize cloud consulting & SI company launched in 2019. Their team provides cloud consulting & SI and Custom Software Development.

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  • CodeCraft Technologies Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    35% Web Development
    35% Mobile App Development
    25% UX/UI Design +1
    5% Application Testing

    Focus Areas

    30% JavaScript
    20% Kotlin
    20% Swift +4
    10% Redux
    10% XML
    5% C#
    5% Java

    CodeCraft Technologies Pvt Ltd, a website development company, was launched in 2011. In Mangaluru, India and Bengaluru, India, the team provides Web Development and Mobile App Development.

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  • OVERSOFT Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    2 - 9
    Torino, Italy

    Services provided

    20% Web Development
    30% IT Managed Services
    25% E-Commerce Development +3
    10% Low/No Code Development
    10% Web Design
    5% Branding

    Focus Areas

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

    OVERCLOCK Technologies provides e-commerce website development, branding design, and car filtering services, with a focus on offering good value for cost. Reviews highlight their exceptional project management, timely delivery, and proactive customer feedback integration. Clients commend their dedication to user experience, highlighting features like user-friendly interfaces, secure transactions, and responsive design, contributing to improved customer satisfaction and business growth.

    See all 1 projects
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  • SilverStripe Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    50 - 249
    Wellington, New Zealand

    Services provided

    60% Web Development
    30% Web Design
    10% Digital Strategy

    Focus Areas

    40% JavaScript
    60% PHP

    SilverStripe is a midsize web development firm in Wellington, New Zealand and Auckland, New Zealand. Their services include Web Development and Web Design.

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  • Mogabyte Labs Logotype

    Mogabyte Labs

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9

    Services provided

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

    Focus Areas

    15% JavaScript
    25% Redux
    25% Typescript +2
    20% Python
    15% SQL

    Mogabyte Labs, a custom software development firm, is based in Cluj-Napoca, Romania. They focus on Custom Software Development and Web Development.

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  • CREO Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    Cardiff , Wales

    Services provided

    20% Web Development
    30% Branding
    20% Digital Strategy +2
    20% Web Design
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    70% PHP
    10% ColdFusion

    CREO, a small branding company, is in Cardiff , Wales. The team specializes in Branding and Digital Strategy.

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  • Deevotech Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Ho Chi Minh City, Vietnam

    Services provided

    60% Web Development
    20% Custom Software Development
    15% E-Commerce Development +1
    5% Mobile App Development

    Focus Areas

    80% JavaScript
    20% PHP

    Launched in 2019, Deevotech is a small web development company in Ho Chi Minh City, Vietnam. Their team focuses on Web Development and Custom Software Development.

    Read more
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  • Dropteam Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    50 - 249
    Paris, France

    Services provided

    85% Web Development
    10% Custom Software Development
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    15% PHP
    15% Python +9
    15% SQL
    10% AJAX
    5% Apex
    5% C#
    5% HTML5
    5% Java
    5% Other programming & scripting languages
    5% XML
    5% jquery

    Dropteam is a website development firm established in 2013. Based in Paris, France, the team focuses on Web Development and Custom Software Development.

    Read more
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  • Brandy Creativity & Technology Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    50 - 249
    San Rafael, Costa Rica

    Services provided

    15% Web Development
    15% Marketing Strategy
    10% Branding +7
    10% Content Marketing
    10% Custom Software Development
    10% E-Commerce Development
    10% UX/UI Design
    10% Web Design
    5% Application Management & Support
    5% Mobile App Development

    Focus Areas

    15% JavaScript
    15% Java
    15% Redux +4
    15% SQL
    15% Typescript
    15% XML
    10% Swift

    Brandy Creativity & Technology is a Marketing Strategy company established in 2015. Located in San Rafael, Costa Rica, the team specializes in Marketing Strategy and Web Development.

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  • Dat-studio Logotype

    Dat-studio

    5.0 1 review
    Undisclosed
    $25 - $49 / hr
    10 - 49

    Services provided

    20% Web Development
    20% Mobile App Development
    15% Web Design +5
    10% AR/VR Development
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Social Media Marketing
    5% CRM Consulting and SI

    Focus Areas

    15% JavaScript
    51% PHP
    10% HTML5 +7
    10% Python
    5% Java
    5% Typescript
    1% AJAX
    1% C++
    1% SQL
    1% jquery

    Dat-studio is a web development company specializing in website development, web design, and application development. With 100% positive feedback, clients commend their creative flair, technical expertise, and user-centered design approach. Reviewers frequently highlight their effective project management, timely delivery, and responsive communication. However, some suggest enhancements in communication and testing phases.

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  • EEMAGINE WORKS D.O.O. Logotype

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

    Services provided

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

    Focus Areas

    30% JavaScript
    60% PHP
    10% Typescript

    EEMAGINE WORKS D.O.O. offers web development services, specializing in custom web stores tailored to client specifications. The overall feedback highlights their exceptional communication, timely delivery, and the high quality of their code. Clients appreciated the ease of interaction and the tangible improvements in web store performance.

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  • Blue Horn Technologies Logotype

    Blue Horn Technologies

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Mobile App Development
    10% Custom Software Development +7
    10% E-Commerce Development
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    5% Cybersecurity
    5% Pay Per Click

    Focus Areas

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

    Launched in 2005, Blue Horn Technologies is a mobile app development company. The agency specializes in Mobile App Development and Social Media Marketing.

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  • CloudeDesign(Pvt)Ltd Logotype

    Not yet reviewed

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

    Services provided

    50% Web Development
    45% Web Design
    5% Social Media Marketing

    Focus Areas

    50% JavaScript
    50% Typescript

    Web development firm CloudeDesign(Pvt)Ltd is headquartered in Colombo, Sri Lanka. Launched in 2017, the team specializes in Web Development and Web Design.

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  • Chainscore Labs Logotype

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    10 - 49
    Pune, India

    Services provided

    20% Web Development
    60% Blockchain
    10% API Development +1
    10% Custom Software Development

    Focus Areas

    15% JavaScript
    20% Python
    20% Rust +5
    20% Typescript
    10% Go
    5% C
    5% C++
    5% SQL

    ChainScore Labs is a blockchain development and Web3 engineering studio specializing in DeFi platforms, smart contracts, exchange infrastructure, wallets, protocol tooling, and production-grade Web3

    Read more
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    $15,000 Blockchain integration MVP $35,000 Full-stack integration $70,000 Production integration rollout

    Blockchain Integration Development

    Full-stack blockchain integration development for fintech, SaaS, marketplaces, and enterprise products adding wallets, token payments, on-chain data, smart contracts, or Web3 account flows. We handle frontend, backend, APIs, indexing, and launch support. Discovery call required.
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  • Digital Nova Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    Hong Kong Island, Hong Kong

    Services provided

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

    Focus Areas

    70% JavaScript
    15% HTML5
    5% ASP.NET +2
    5% Ember.js
    5% jquery

    Digital Nova, a Digital Strategy company, was established in 2024. The team focuses on Digital Strategy and Web Design.

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  • Blockchain Simplified | CakeSoft Technologies Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249
    Pune, India

    Services provided

    25% Web Development
    50% Blockchain
    25% Mobile App Development

    Focus Areas

    40% JavaScript
    10% Kotlin
    10% PHP +5
    10% Redux
    10% SQL
    10% Swift
    5% Objective C
    5% Other programming & scripting languages

    Established in 2014, Blockchain Simplified | CakeSoft Technologies, a midsize Blockchain company, is in Pune, India. Their team specializes in Blockchain and Mobile App Development.

    Read more
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  • ReacTree Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Mobile App Development
    15% Custom Software Development +6
    10% API Development
    10% Application Management & Support
    10% Low/No Code Development
    5% Application Testing
    5% E-Commerce Development
    5% Enterprise App Modernization

    Focus Areas

    25% JavaScript
    25% Kotlin
    25% Python +1
    25% Swift

    Custom software development firm ReacTree was established in 2018. The small team offers Custom Software Development and Mobile App Development.

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  • Stellar Agency Logotype

    Stellar Agency

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

    Services provided

    45% Web Development
    15% UX/UI Design
    10% Low/No Code Development +3
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    35% JavaScript
    35% HTML5
    25% PHP +1
    5% Typescript

    Stellar Agency specializes in Website Development and Web Design, focusing on creating effective multi-page sites for businesses, such as in the landscape design niche. Reviews highlight their excellent project management, ability to adjust to project requirements, and effective communication, leading to successful outcomes like increased client applications and functional sites. Their services are praised for offering great value and fitting within budget constraints.

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  • Aviada Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    50 - 249
    Hermosillo, Mexico

    Services provided

    10% Web Development
    25% IT Staff Augmentation
    25% Staffing +7
    10% PEO/Employee Leasing
    5% API Development
    5% Custom Software Development
    5% DevOps Managed Services
    5% E-Commerce Development
    5% UX/UI Design
    5% Web Design

    Focus Areas

    25% JavaScript
    30% PHP
    25% HTML5 +2
    10% Redux
    10% Typescript

    Aviada is an IT staff augmentation company. Launched in 2017, their team specializes in IT staff augmentation and Staffing.

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  • Waterwhip Labs Logotype

    Not yet reviewed

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

    Services provided

    50% Web Development
    20% Blockchain
    15% Custom Software Development +2
    10% Low/No Code Development
    5% Search Engine Optimization

    Focus Areas

    85% JavaScript
    15% Redux

    Waterwhip Labs is a web development firm. The team offers Web Development and Custom Software Development, and the company is in London, England.

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  • Tinasoft Vietnam Logotype

    Tinasoft Vietnam

    Not yet reviewed

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

    Services provided

    15% Web Development
    35% Custom Software Development
    20% Mobile App Development +3
    15% AI Development
    10% IT Staff Augmentation
    5% IoT Development

    Focus Areas

    30% JavaScript
    15% Java
    15% Swift +4
    10% Objective C
    10% PHP
    10% SQL
    10% Typescript

    Tinasoft Vietnam, a custom software development firm, is located in Ha Noi, Vietnam. Established in 2018, the team provides Custom Software Development and Mobile App Development.

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  • Queuemate Logotype

    3.2 3 reviews
    $10,000+
    $25 - $49 / hr
    10 - 49
    Noida, India

    Services provided

    20% Web Development
    50% Mobile App Development
    20% E-Commerce Development +1
    10% Custom Software Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +9
    10% C#
    10% Java
    10% PHP
    10% SQL
    10% XML
    5% ASP
    5% C++
    5% Swift
    5% Visual Basic

    Sanganan IT Solutions is a software development company specializing in mobile and web projects, including IoT integration and app development. Reviews are mixed: 67% of clients express satisfaction with their technical capabilities and responsiveness to customer needs, while 33% report negative experiences, particularly regarding trust and communication. Their ability in business analysis and quick adaptation to domain requirements are notable strengths.

    See all 3 projects

    Reviews mention Flexible

    Clients have consistently praised Sanganan IT Solutions for their flexibility in adapting to project changes. One client noted their ability to work in an agile manner with minimal documentation, which is crucial for startups needing to pivot quickly. While some R&D tasks took longer than anticipated, overall, the sentiment reflects satisfaction with their responsiveness and adaptability. This flexibility has been highlighted as a key strength in managing ongoing enhancements and addressing evolving client needs.
    • App Dev for Community Tech Company
      4.5 Feb 4, 2020

      I’d recommend working with them. They don’t have a lot of business overhead, and they work in agile, with minimal documentation. They’re flexible to changes. Otherwise, it would become difficult to manage, particularly for a startup, where we have to adapt to changes.

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    Industry Experience

    Queuemate has demonstrated expertise primarily in the IT Services and Financial Services sectors, receiving positive feedback for their project management, technical capabilities, and responsiveness to client needs. Clients in IT Services highlighted their effective software solutions and business analysis acumen. In contrast, feedback from the Financial Services sector noted their rapid acquisition of domain knowledge and successful project execution, which fostered ongoing partnerships. However, a negative review from another industry indicates inconsistency in service quality, underscoring the importance of due diligence for potential clients.

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    Select Industry to see insights

    IT Services Other Industry Financial services

    Average Project Cost Breakdown

    $200,000 to $999,999 (3)

    What Clients Have Said

    Client feedback on Queuemate's pricing and value for money presents a mixed sentiment. One client invested $300,000–$400,000 and praised the company for delivering a stable platform with 100,000 users, highlighting their flexibility and low overhead costs. Conversely, another review expressed severe dissatisfaction, claiming the company misrepresented its capabilities and was dishonest about project progress, suggesting a lack of value for the money spent. Overall, while some clients recognize value, others report significant issues affecting perceived worth.
    Read All Reviews

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    Taiwan (1) India (1) United States (1)
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  • Angular Minds Logotype

    Not yet reviewed

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

    Services provided

    40% Web Development
    30% Mobile App Development
    20% Custom Software Development +2
    5% E-Commerce Development
    5% IT Managed Services

    Focus Areas

    60% JavaScript
    10% ASP.NET
    10% SQL +2
    10% Swift
    10% Typescript

    Angular Minds is a website development company. Their midsize team of employees is based in Pune, India and San Diego, California. Their team specializes in Web Development and Mobile App

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  • Spotlight Studios Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Manchester, England

    Services provided

    30% Web Development
    30% Web Design
    25% Search Engine Optimization +1
    15% Pay Per Click

    Focus Areas

    20% JavaScript
    40% PHP
    40% SQL

    Web design company Spotlight Studios specializes in Web Design and Web Development. They are located in Manchester, England and Bradford, England.

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  • Crocodic Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249
    Semarang, Indonesia

    Services provided

    15% Web Development
    35% Mobile App Development
    20% Custom Software Development +2
    20% IoT Development
    10% IT Strategy Consulting

    Focus Areas

    20% JavaScript
    20% Kotlin
    20% Other programming & scripting languages +2
    20% SQL
    20% Swift

    Crocodic is an application development firm in Semarang, Indonesia and Jakarta, Indonesia. Established in 2009, the team focuses on Mobile App Development and Custom Software Development.

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  • Zane Atega - Creative Web Designer Logotype

    Zane Atega - Creative Web Designer

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    50% Web Development
    25% UX/UI Design
    25% Web Design

    Focus Areas

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

    In Quezon City, Philippines, Zane Atega - Creative Web Designer is a small web development firm. The team specializes in Web Development and Web Design.

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  • Key Software Services Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    20% JavaScript
    20% Java
    20% Objective C +2
    20% PHP
    20% Swift

    Key Software Services, an application development firm, focuses on Mobile App Development and Web Development. The company is based in Gurugram, India and Thanesar, India.

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  • PixelTime Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9
    Johannesburg South, South Africa

    Services provided

    50% Web Development
    50% Web Design

    Focus Areas

    50% JavaScript
    50% Other programming & scripting languages

    PixelTime is a web design agency and web development firm. The agency is located in Johannesburg South, South Africa. Their services include Web Design and Web Development.

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  • amarwebs Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    ঢাকা, Bangladesh

    Services provided

    50% Web Development
    50% Web Design

    Focus Areas

    50% JavaScript
    50% PHP

    Amarwebs is a web design agency and web development company. Founded in 2016, the team focuses on Web Design and Web Development.

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  • Betasource.tech Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    20% JavaScript
    20% Python
    10% Kotlin +12
    10% Redux
    5% Go
    5% HTML5
    5% Java
    5% PHP
    5% Swift
    5% Typescript
    2% ASP.NET
    2% Elixir
    2% Objective C
    2% Rust
    2% Scala

    Betasource.tech is a small IT staff augmentation company launched in 2018. Their team provides IT staff augmentation and Custom Software Development.

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  • Digital Hive Logotype

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

    Services provided

    25% Web Development
    25% Custom Software Development
    20% Search Engine Optimization +2
    20% Web Design
    10% Social Media Marketing

    Focus Areas

    25% JavaScript
    25% HTML5
    20% PHP +2
    20% jquery
    10% AJAX

    Digital Hive is a Web Technology firm specializing in the design and development of digital products like CRMs, custom web applications, and websites. Our latest launch, SalesHive CRM, is a

    Read more
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  • Panthera Logotype

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

    Services provided

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

    Focus Areas

    15% JavaScript
    30% PHP
    25% HTML5 +2
    15% Python
    15% jquery

    Panthera is a tech innovation hub that creates customized digital and marketing solutions to help businesses grow and optimize their processes. We specialize in software development, e-commerce, web

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  • Climbing Turn Ltd Logotype

    Not yet reviewed

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

    Services provided

    30% Web Development
    25% Web Design
    20% Search Engine Optimization +2
    15% Marketing Strategy
    10% Email Marketing

    Focus Areas

    30% JavaScript
    35% PHP
    20% SQL +2
    10% AJAX
    5% XML

    Website development company Climbing Turn Ltd was founded in 2009. The small team focuses on Web Development and Web Design.

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  • Intelligent Web Crew Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    Orlando, FL

    Services provided

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

    Focus Areas

    40% JavaScript
    20% Typescript
    15% Swift +3
    10% Kotlin
    10% PHP
    5% C#

    Based in Orlando, Florida, Intelligent Web Crew is a small app development company. The team provides Mobile App Development and Web Development.

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  • Bons Logotype

    Bons

    Not yet reviewed

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

    Services provided

    30% Web Development
    40% Web Design
    30% UX/UI Design

    Focus Areas

    100% JavaScript

    Bons is a small web design agency based in Halstenbek, Germany. Their services include Web Design and UX/UI Design.

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  • Success Infotech Logotype

    Not yet reviewed

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

    Services provided

    50% Web Development
    30% E-Commerce Development
    20% Mobile App Development

    Focus Areas

    30% JavaScript
    50% PHP
    20% Kotlin

    Located in Ahmedabad, India, Success Infotech is a web development company. They provide Web Development and E-Commerce Development.

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  • IOT WEB LAB, LLC Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    1,000 - 9,999
    Kyiv, Ukraine

    Services provided

    20% Web Development
    20% Mobile App Development
    19% Blockchain +3
    15% IoT Development
    14% E-Commerce Development
    12% AR/VR Development

    Focus Areas

    20% JavaScript
    20% Java
    15% PHP +4
    15% Python
    15% Ruby
    10% C++
    5% Other programming & scripting languages

    Launched in 2019, IOT WEB LAB, LLC is an application development company. The team specializes in Mobile App Development and Web Development and is in Kyiv, Ukraine and Dnipropetrovs'k, Ukraine.

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  • Sigi Technologies Logotype

    5.0 3 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249
    Lahore, Pakistan

    Services provided

    10% Web Development
    20% Custom Software Development
    20% IT Staff Augmentation +6
    15% AI Development
    10% Mobile App Development
    10% UX/UI Design
    5% Application Testing
    5% DevOps Managed Services
    5% E-Commerce Development

    Focus Areas

    10% JavaScript
    10% HTML5
    10% Kotlin +10
    10% PHP
    10% Redux
    10% SQL
    10% Swift
    5% AJAX
    5% Python
    5% Ruby
    5% Typescript
    5% backbone.js
    5% jquery

    Sigi Technologies provides web development, SEO, and digital advertising services, specializing in creating and managing WordPress sites and Google ads campaigns. Clients commend their project management skills, responsiveness, and ability to deliver on time while adhering to budget constraints. Sigi Technologies is highly regarded for their willingness to listen and adapt to client needs, contributing to business growth.

    See all 3 projects
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  • Infinite MLM Software Logotype

    Infinite MLM Software

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249

    Services provided

    40% Web Development
    20% E-Commerce Development
    20% Mobile App Development +2
    10% Blockchain
    10% Business Consulting

    Focus Areas

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

    Infinite MLM Software is a midsize website development company. Founded in 2009, the team focuses on Web Development and Mobile App Development.

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  • Shift Refresh Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% PHP +2
    20% Python
    20% XML

    Small social media marketing company Shift Refresh, is headquartered in Cleveland, Ohio. Their services include Social Media Marketing and Search Engine Optimization.

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  • Pura Comunicação Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9
    Rio de Janeiro, Brazil

    Services provided

    10% Web Development
    15% E-Commerce Development
    10% Logo +10
    10% Low/No Code Development
    10% UX/UI Design
    10% Web Design
    5% Branding
    5% Content Marketing
    5% Ecommerce Marketing
    5% Graphic Design
    5% Mobile App Development
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    50% JavaScript
    50% PHP

    Web design company Pura Comunicação is headquartered in Rio de Janeiro, Brazil. They focus on Web Design and Web Development.

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  • Mity Digital Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    2 - 9
    Melbourne, Australia

    Services provided

    40% Web Development
    40% Web Design
    20% Graphic Design

    Focus Areas

    20% JavaScript
    70% PHP
    10% Other programming & scripting languages

    Mity Digital is a web design company. The team provides Web Design and Web Development and is based in Melbourne, Australia and Adelaide, Australia.

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  • TakeFortyTwo Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    10 - 49
    Weston, FL

    Services provided

    10% Web Development
    65% E-Commerce Development
    10% Email Marketing +3
    5% Ecommerce Marketing
    5% Marketing Strategy
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    35% Other programming & scripting languages
    25% HTML5 +3
    10% PHP
    10% jquery
    5% Typescript

    Established in 2006, TakeFortyTwo is an e-commerce development company. The company provides E-Commerce Development and Email Marketing.

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  • Koding Web Logotype

    Koding Web

    5.0 2 reviews
    $1,000+
    $25 - $49 / hr
    250 - 999

    Services provided

    50% Web Development
    25% Graphic Design
    25% Web Design

    Focus Areas

    25% JavaScript
    25% PHP
    20% SQL +3
    10% Java
    10% Kotlin
    10% Visual Basic

    Koding Web offers e-commerce website development and mobile application development services. Their reviews highlight a professional and timely approach, increased website traffic, and effective communication throughout project stages. Clients consistently praise their professionalism, understanding of requirements, and positive project outcomes, with no significant areas for improvement noted.

    See all 2 projects
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  • OrderStack Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Custom Software Development
    25% Enterprise App Modernization +1
    25% Other Application Development

    Focus Areas

    50% JavaScript
    50% Python

    OrderStack is a software development company. The team offers Custom Software Development and Web Development, and the firm is based in Mumbai, India.

    Read more
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  • Express-Wordpress Logotype

    Not yet reviewed

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

    Services provided

    50% Web Development
    25% Social Media Marketing
    25% Web Design

    Focus Areas

    50% JavaScript
    50% PHP

    Website development firm Express-Wordpress was founded in 2020. The team offers Web Development and Social Media Marketing and is in Kyiv, Ukraine.

    Read more
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  • Geeks Invention LLC Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    50 - 249
    Raipur, India

    Services provided

    10% Web Development
    30% Custom Software Development
    15% AI Consulting +4
    15% AI Development
    15% Generative AI
    10% Mobile App Development
    5% Blockchain

    Focus Areas

    20% JavaScript
    20% Java
    15% Python +6
    15% SQL
    10% Ruby
    5% C#
    5% Go
    5% Kotlin
    5% PHP

    Geeks Invention LLC is a midsize New York, New York-based custom software development firm. Their services include Custom Software Development and Artificial Intelligence.

    Read more
    $28 Short term plug & play Engineers $26 3 months hourly contracts $25 long term hourly contracts

    Hourly Contract

    Supercharge your projects with our hourly IT contract expertise—elite developers, engineers, and specialists ready to dive in, delivering 3x faster results at 30% lower costs. Trusted by giants like Audi, IBM, and Byju’s, our flexible, on-demand talent seamlessly scales your vision without the hiring grind. Pay only for the hours you need.
    View Packages
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  • Alt Digital Technologies Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Microservices Architecture Services
    10% API Development +10
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Managed Services
    5% Application Management & Support
    5% Cloud Consulting & SI
    5% DevOps Managed Services
    5% Enterprise App Modernization
    5% IT Staff Augmentation
    5% IT Strategy Consulting
    5% Mobile App Development

    Focus Areas

    10% JavaScript
    30% Java
    10% HTML5 +10
    5% AJAX
    5% ASP.NET
    5% C#
    5% C++
    5% Objective C
    5% PHP
    5% Python
    5% SQL
    5% Typescript
    5% jquery

    Alt Digital Technologies, a Microservices Architecture Services company, was launched in 2015. The agency focuses on Microservices Architecture Services and IT managed services.

    Read more
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  • Present Connection Logotype

    Not yet reviewed

    $50,000+
    $25 - $49 / hr
    50 - 249
    Kaunas, Lithuania

    Services provided

    45% Web Development
    35% Custom Software Development
    20% Mobile App Development

    Focus Areas

    20% JavaScript
    20% C#
    20% PHP +6
    10% ASP.NET
    10% SQL
    5% AJAX
    5% Other programming & scripting languages
    5% Redux
    5% Visual Basic

    Headquartered in Delft, Netherlands and Kaunas, Lithuania, Present Connection is a website development firm. They offer Web Development and Custom Software Development and were established in 2012.

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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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