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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: February 5, 2026
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15 Leaders 15 Contenders

21,624 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 88 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    50% Web Development
    50% Custom Software Development

    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), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.

    See all 88 projects
    5 of 5 JavaScript reviews are 5 stars
    2 new reviews for JavaScript in past 6 months
    $10,000 – $49,000 avg. project cost

    JavaScript Experience

    Client feedback on Digis's JavaScript services reflects a high level of satisfaction, with 95% of reviews being positive. Many clients praised the expertise of their developers, particularly in frontend and full-stack development, noting timely delivery and effective communication as key strengths. Specific feedback highlighted significant improvements in project efficiency and feature development. Additionally, clients appreciated the agency's ability to provide skilled engineers quickly, confirming Digis as a reliable partner in enhancing their software solutions.

    Read Most Recent Review

    Industry Experience

    Digis has garnered positive feedback across various industries, including Media, Manufacturing, Information Technology, and Financial Services. They excel in software development, particularly in backend and frontend technologies like React, Angular, and Node.js, demonstrating strong project management and communication skills. Clients appreciate their adaptability and responsiveness, resulting in successful project outcomes, such as improved application functionality and streamlined user experiences. Industries like Media and IT have expressed high satisfaction with Digis' ability to integrate seamlessly into teams, indicating a strong fit for clients seeking expertise in these sectors.

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    Select Industry to see insights

    Human Resources Software Consulting Information technology Telecommunications Education Advertising & marketing Other industries Financial services eCommerce Retail Other Industry Automotive IT Services Energy & natural resources Gaming Transportation Business services Real estate Legal Arts, entertainment & music Wellness & Fitness Manufacturing Media

    Average Project Cost Breakdown

    $10,000 to $49,000 (24) $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

    Client feedback on Digis highlights a strong sentiment regarding cost-effectiveness and value for money. Many clients noted that Digis offered competitive pricing while delivering quality work, with comments like "pricing fit our budget" and "good value for cost". Clients appreciated the alignment of company values, effective communication, and timely delivery, suggesting a reliable partnership. Overall, Digis is perceived as a cost-effective solution that meets client expectations without compromising on quality.
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    $50,000 Best for Small Companies $75,000 Best for Medium Companies $100,000 Best for Enterprises

    Custom Product Development

    Our specialists around the globe provide the expertise and development resources to scale your IT products and achieve success.
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  • CodeRender Technology Logotype

    CodeRender Technology

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Application Testing
    10% E-Commerce Development +7
    10% Email Marketing
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    30% PHP
    15% Python +5
    15% SQL
    10% AJAX
    5% HTML5
    5% Typescript
    5% jquery

    CodeRender Technology is a social media marketing firm. They were established in 2024, and their services include Social Media Marketing and Email Marketing.

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  • Sumitek Networks LLP Logotype

    Sumitek Networks LLP

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Cloud Consulting & SI +7
    10% E-Commerce Development
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    15% JavaScript
    50% PHP
    10% AJAX +3
    10% HTML5
    10% jquery
    5% Other programming & scripting languages

    Sumitek Networks LLP is a branding agency founded in 2023. Their team provides Branding and Social Media Marketing.

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  • Zenionix Technology Pvt. Ltd. Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9
    Ahmedabad, India

    Services provided

    15% Web Development
    15% AI Development
    15% IoT Development +5
    15% UX/UI Design
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% ERP Consulting and SI
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Java +7
    10% Kotlin
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% Swift
    10% jquery

    Launched in 2024, Zenionix Technology Pvt. Ltd. Is an user experience agency. Located in Ahmedabad, India, the team offers UX/UI Design and Web Development.

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  • SILICWALL Logotype

    SILICWALL

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% IT Strategy Consulting
    20% Mobile App Development +3
    15% Cloud Consulting & SI
    15% E-Commerce Development
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    20% Kotlin
    20% Other programming & scripting languages +4
    15% HTML5
    10% Redux
    10% Ruby
    10% Typescript

    SILICWALL is an other IT consulting and SI company. The team focuses on other IT consulting and SI and E-Commerce Development, and the company is headquartered in Saniya Hemad, India.

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  • Luminatech Logotype

    Luminatech

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Custom Software Development
    15% E-Commerce Development +4
    15% Mobile App Development
    10% AI Consulting
    10% Cloud Consulting & SI
    10% IT Managed Services

    Focus Areas

    10% JavaScript
    30% Python
    20% SQL +3
    15% C++
    15% jquery
    10% HTML5

    Founded in 2024, Luminatech is a custom software development company. The team provides Custom Software Development and Web Development and is located in Jaipur, India.

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  • NoveltyVR Logotype

    NoveltyVR

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    10% Web Development
    70% AR/VR Development
    10% Application Management & Support +1
    10% Mobile App Development

    Focus Areas

    15% JavaScript
    35% C#
    20% HTML5 +2
    15% Java
    15% Swift

    NoveltyVR is a small AR/VR development company launched in 2020. Their services include AR/VR development and Web Development.

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  • HighRoller Digital Strategies Logotype

    HighRoller Digital Strategies

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9

    Services provided

    10% Web Development
    15% Advertising
    15% Cybersecurity +5
    15% Search Engine Optimization
    15% Social Media Marketing
    10% Branding
    10% Email Marketing
    10% Marketing Strategy

    Focus Areas

    15% JavaScript
    15% C#
    15% C++ +6
    15% HTML5
    15% Rust
    10% Swift
    5% Python
    5% Ruby
    5% SQL

    Small Advertising company HighRoller Digital Strategies, is based in Las Vegas, Nevada. The team provides Advertising and Social Media Marketing.

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  • Advirz Logotype

    Advirz

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Email Marketing +5
    10% CRM Consulting and SI
    10% Content Marketing
    10% Conversion Optimization
    10% Ecommerce Marketing
    10% Social Media Marketing

    Focus Areas

    15% JavaScript
    30% ASP.NET
    20% PHP +2
    20% SQL
    15% HTML5

    Advirz is an Email Marketing company. They are located in Karachi, Pakistan, and their services include Email Marketing and E-Commerce Development.

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  • DevQuantics Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9
    Islamabad, Pakistan

    Services provided

    15% Web Development
    25% Custom Software Development
    20% Generative AI +4
    10% AI Development
    10% E-Commerce Development
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    15% Kotlin
    15% PHP +9
    15% SQL
    10% Python
    5% ASP
    5% ASP.NET
    5% C#
    5% C++
    5% HTML5
    5% Java
    5% UnrealScript

    DevQuantics is a custom software development company. They are headquartered in Islamabad, Pakistan, and their services include Custom Software Development and Generative AI.

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  • Dpro IT Solutions Logotype

    Dpro IT Solutions

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    15% Web Development
    20% Cybersecurity
    20% Graphic Design +3
    20% IT Managed Services
    15% Search Engine Optimization
    10% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    10% HTML5
    10% Java +8
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% backbone.js
    10% jquery
    5% C
    5% Visual Basic

    Dpro IT Solutions is a graphic design company. Headquartered in Ténès, Algeria, the team focuses on Graphic Design and Cybersecurity.

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  • Ordeta Logotype

    Ordeta

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Custom Software Development
    10% Branding +6
    10% Graphic Design
    10% Logo
    10% Print Design
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    15% Java
    15% jquery +7
    10% ASP.NET
    10% C#
    10% Go
    10% SQL
    10% Typescript
    5% HTML5
    5% PHP

    Ordeta is a software development company. Their team is in Jaipur, India. The company offers Custom Software Development and Web Development.

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  • QueuesHub Logotype

    QueuesHub

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% API Development
    15% Custom Software Development +5
    15% Mobile App Development
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% ERP Consulting and SI
    10% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    10% HTML5
    10% Java +7
    10% Kotlin
    10% PHP
    10% Python
    10% SQL
    10% Swift
    10% Typescript
    10% jquery

    QueuesHub is a custom software development company. The firm is based in Cairo, Egypt. Their team provides Custom Software Development and Web Development.

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  • Dhiman Soft Logotype

    Dhiman Soft

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Direct Marketing
    10% AI Development +6
    10% API Development
    10% CRM Consulting and SI
    10% Custom Software Development
    10% E-Commerce Development
    10% Logo
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    40% PHP
    20% Python +2
    20% SQL
    10% jquery

    Dhiman Soft, a Direct Marketing company, was established in 2023. The team focuses on Direct Marketing and Web Development.

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  • Teminiks Logotype

    Teminiks

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    15% Web Development
    40% Custom Software Development
    15% Microservices Architecture Services +3
    10% Application Management & Support
    10% Application Testing
    10% Enterprise App Modernization

    Focus Areas

    10% JavaScript
    25% Java
    15% HTML5 +5
    10% C
    10% C++
    10% Other programming & scripting languages
    10% Python
    10% SQL

    Custom software development company Teminiks was launched in 2023. The agency offers Custom Software Development and Web Development, and is small.

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  • V-Corp International Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    Sunny Isles Beach, FL

    Services provided

    10% Web Development
    40% IT Managed Services
    20% Custom Software Development +2
    20% Cybersecurity
    10% Microservices Architecture Services

    Focus Areas

    15% JavaScript
    55% Other programming & scripting languages
    15% Python +1
    15% SQL

    V-Corp International, an IT managed services company, was launched in 2023. The team offers IT managed services and Cybersecurity and is headquartered in Sunny Isles Beach, Florida.

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  • Zeluryx Logotype

    Zeluryx

    Not yet reviewed

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

    Services provided

    10% Web Development
    70% Web Design
    20% AI Agents

    Focus Areas

    15% JavaScript
    55% Python
    30% HTML5

    Zeluryx is a small web design agency located in Dubai, United Arab Emirates. The team provides Web Design and AI Agents.

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  • Slate Creek Solutions Logotype

    Slate Creek Solutions

    Not yet reviewed

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

    Services provided

    15% Web Development
    60% Custom Software Development
    15% Cloud Consulting & SI +1
    10% BI & Big Data Consulting & SI

    Focus Areas

    10% JavaScript
    30% Typescript
    20% ASP.NET +2
    20% C#
    20% SQL

    Slate Creek Solutions is a custom software development firm. Headquartered in Rapid City, South Dakota, their team specializes in Custom Software Development and Web Development.

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  • Shoothill Logotype

    Shoothill

    Not yet reviewed

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

    Services provided

    15% Web Development
    55% Custom Software Development
    15% AI Development +1
    15% Other IT Consulting and SI

    Focus Areas

    10% JavaScript
    40% ASP.NET
    40% C# +1
    10% PHP

    Shoothill is a custom software development company. In Shrewsbury, England, the company was established in 2006. Their team provides Custom Software Development and Artificial Intelligence.

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  • IBC MOBILE INC. Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Phoenixville, PA

    Services provided

    10% Web Development
    30% Mobile App Development
    15% UX/UI Design +5
    10% AR/VR Development
    10% Custom Software Development
    10% Low/No Code Development
    10% Web Design
    5% Wearable App Development

    Focus Areas

    11% JavaScript
    17% Swift
    14% Kotlin +7
    11% AJAX
    11% Java
    11% Objective C
    11% PHP
    6% Redux
    6% Typescript
    2% C

    As a foremost IT company in the United States, IBC Mobile Inc. implements robust strategies and offers cutting-edge solutions in Mobile & Web Application Development. Here’s how we

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  • Sync Clouds Logotype

    4.3 2 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49
    Rawalpindi, Pakistan

    Services provided

    10% Web Development
    30% Cybersecurity
    20% Mobile App Development +5
    10% AR/VR Development
    10% Low/No Code Development
    10% UX/UI Design
    5% Advertising
    5% Social Media Marketing

    Focus Areas

    11% JavaScript
    17% Redux
    15% Kotlin +10
    6% ASP.NET
    6% C++
    6% Other programming & scripting languages
    6% PHP
    6% Ruby
    6% Typescript
    6% UnrealScript
    6% XML
    5% SQL
    4% HTML5

    Sync Clouds offers services in Website Development, Web Design, and Web Programming, focusing on transforming front-end interfaces and coding robust back-end structures. Reviews commend their adaptability and timely delivery, highlighting their ability to meet complex project requirements and exceed expectations. Noteworthy is their proficiency in addressing client feedback efficiently, although improvements in site dynamics were suggested.

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  • TrustUs Logotype

    TrustUs

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

    Services provided

    10% Web Development
    10% AI Consulting
    10% AI Development +7
    10% Account-Based Marketing
    10% Branding
    10% Conversion Optimization
    10% Demand Generation Marketing
    10% Pay Per Click
    10% Sales Outsourcing
    10% Search Engine Optimization

    Focus Areas

    11% JavaScript
    33% jquery
    11% Java +6
    11% Other programming & scripting languages
    11% Typescript
    6% PHP
    6% Python
    6% Ruby
    5% SQL

    With a passion for innovation and a commitment to excellence, we offer solutions that drive results. WHAT WE OFFER: Lead Generation Attract high-quality leads that convert. Optimize your lead

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  • Neurale Computing Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Development
    10% AR/VR Development +7
    10% Application Testing
    10% Blockchain
    10% Custom Software Development
    10% E-Commerce Development
    10% IoT Development
    10% Mobile App Development
    10% Other Application Development

    Focus Areas

    11% JavaScript
    11% AJAX
    11% Java +13
    11% Redux
    11% SQL
    11% Typescript
    9% Kotlin
    4% C#
    4% C++
    3% Ember.js
    3% Go
    3% Swift
    2% ASP.NET
    2% C
    2% Objective C
    2% PHP

    Neurale Computing, a software development firm, offers Custom Software Development and Web Development. The company is in Galle, Sri Lanka.

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  • CodeLight Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Montevideo, Uruguay

    Services provided

    10% Web Development
    30% Custom Software Development
    15% Mobile App Development +6
    12% Enterprise App Modernization
    10% E-Commerce Development
    7% Application Testing
    6% Sales Outsourcing
    5% UX/UI Design
    5% Web Design

    Focus Areas

    11% JavaScript
    19% Typescript
    5% AJAX +13
    5% ASP
    5% ASP.NET
    5% C
    5% C#
    5% C++
    5% Java
    5% Objective C
    5% PHP
    5% Redux
    5% Ruby
    5% SQL
    5% Swift
    5% XML

    Custom software development company CodeLight is headquartered in Montevideo, Uruguay. They offer Custom Software Development and Mobile App Development.

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  • Ankuv Logotype

    Not yet reviewed

    $25,000+
    $50 - $99 / hr
    10 - 49
    Vancouver, Canada

    Services provided

    10% Web Development
    25% Mobile App Development
    13% Low/No Code Development +9
    10% AI Development
    10% AR/VR Development
    10% Blockchain
    5% E-Commerce Development
    5% IT Strategy Consulting
    5% IoT Development
    5% Wearable App Development
    1% BI & Big Data Consulting & SI
    1% Custom Software Development

    Focus Areas

    11% JavaScript
    28% Python
    11% SQL +8
    11% Swift
    6% C#
    6% C++
    6% Go
    6% Java
    6% Other programming & scripting languages
    6% UnrealScript
    3% Typescript

    In Vancouver, Canada, Ankuv is a mobile app development company. Launched in 2018, the team focuses on Mobile App Development and Web Development.

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  • Fluxworth Logotype

    Fluxworth

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    10% Web Development
    20% Email Marketing
    10% AR/VR Development +6
    10% Content Marketing
    10% Graphic Design
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    11% JavaScript
    12% PHP
    11% C +6
    11% C#
    11% C++
    11% Java
    11% Python
    11% Redux
    11% XML

    Fluxworth is a small Email Marketing company located in Ikeja, Nigeria. Their services include Email Marketing and Social Media Marketing.

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  • TekScrum Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Manchester, England

    Services provided

    10% Web Development
    20% Social Media Marketing
    15% Search Engine Optimization +7
    10% AR/VR Development
    10% Branding
    10% IoT Development
    10% Mobile App Development
    5% Graphic Design
    5% Logo
    5% UX/UI Design

    Focus Areas

    11% JavaScript
    11% C
    11% C# +8
    11% C++
    11% Other programming & scripting languages
    11% Python
    11% Typescript
    6% Java
    6% Objective C
    6% Redux
    5% SQL

    TekScrum is a social media marketing firm headquartered in Manchester, England and Karachi, Pakistan. They specialize in Social Media Marketing and Search Engine Optimization and were founded in

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  • Duosol Technologies Logotype

    Duosol Technologies

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Content Marketing
    10% Digital Strategy +7
    10% E-Commerce Development
    10% Ecommerce Marketing
    10% Mobile App Development
    10% Other Application Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design

    Focus Areas

    11% JavaScript
    11% AJAX
    11% Java +8
    11% PHP
    11% SQL
    11% Swift
    10% Kotlin
    6% ASP.NET
    6% HTML5
    6% Python
    6% Typescript

    Duosol Technologies is a Digital Strategy company in London, England and Lahore, Pakistan. Their services include Digital Strategy and Social Media Marketing.

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  • codefreelancer Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Karatber, India

    Services provided

    10% Web Development
    25% Mobile App Development
    20% E-Commerce Development +6
    14% Low/No Code Development
    10% AR/VR Development
    10% Web Design
    5% Other Application Development
    5% UX/UI Design
    1% Custom Software Development

    Focus Areas

    11% JavaScript
    18% PHP
    11% AJAX +6
    11% HTML5
    11% Objective C
    11% SQL
    11% Swift
    11% Typescript
    5% Kotlin

    Launched in 2023, codefreelancer is a small Karatber, India-based mobile application development firm. Their team provides Mobile App Development and Web Development.

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  • ECONSCO Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    10 - 49
    Faisalabad, Pakistan

    Services provided

    10% Web Development
    10% Branding
    10% Custom Software Development +7
    10% E-Commerce Development
    10% Logo
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    11% JavaScript
    16% HTML5
    11% PHP +9
    11% Python
    11% Ruby
    11% Swift
    5% ASP.NET
    5% C++
    5% Java
    5% Other programming & scripting languages
    5% Typescript
    4% SQL

    Located in Faisalabad, Pakistan, ECONSCO is a small branding agency. The team specializes in Branding and Social Media Marketing.

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  • BRAVA 360 Digital Logotype

    BRAVA 360 Digital

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Conversion Optimization
    15% Search Engine Optimization +6
    10% Branding
    10% Digital Strategy
    10% Low/No Code Development
    10% Pay Per Click
    10% Social Media Marketing
    10% UX/UI Design

    Focus Areas

    11% JavaScript
    12% AJAX
    11% ASP.NET +6
    11% HTML5
    11% PHP
    11% Python
    11% SQL
    11% Typescript
    11% jquery

    Located in Dubai, United Arab Emirates, BRAVA 360 Digital is a small Conversion Optimization company. The team focuses on Conversion Optimization and Search Engine Optimization.

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  • Freelancing Grow Logotype

    Freelancing Grow

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AR/VR Development
    10% E-Commerce Development +10
    10% Graphic Design
    10% IT Managed Services
    10% UX/UI Design
    10% Web Design
    5% Content Writing Services
    5% Ecommerce Marketing
    5% Logo
    5% Market Research
    5% Other Design
    5% Social Media Marketing

    Focus Areas

    11% JavaScript
    11% C++
    11% Java +7
    11% Other programming & scripting languages
    11% Python
    10% HTML5
    10% PHP
    10% SQL
    10% jquery
    5% C

    Freelancing Grow is a web design agency. The Faisalabad, Pakistan-based company was established in 2023. Their team offers Web Design and UX/UI Design.

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  • CraftDigitally Logotype

    CraftDigitally

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AR/VR Development
    10% Application Testing +7
    10% Custom Software Development
    10% Graphic Design
    10% IoT Development
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    11% JavaScript
    33% SQL
    12% AJAX +4
    11% ASP.NET
    11% C#
    11% PHP
    11% Python

    CraftDigitally is a SEO services firm. They are headquartered in Ahmedabad, India and have small team of experts. Their services include Search Engine Optimization and Pay Per Click.

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  • WeDevsClub Logotype

    WeDevsClub

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AR/VR Development
    10% Application Management & Support +9
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Managed Services
    10% Low/No Code Development
    10% Mobile App Development
    5% API Development
    5% Other Application Development
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    11% JavaScript
    17% Java
    17% PHP +8
    11% ASP.NET
    11% Kotlin
    6% C#
    6% HTML5
    6% Python
    6% SQL
    6% jquery
    3% AJAX

    WeDevsClub is a small Bareilly, India-based custom software development firm. The team offers Custom Software Development and Mobile App Development.

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  • Elrising Technology Services Pvt Ltd Logotype

    Elrising Technology Services Pvt Ltd

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    10% Web Development
    10% API Development
    10% Digital Strategy +8
    10% E-Commerce Development
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design
    5% Content Marketing
    5% Social Media Marketing

    Focus Areas

    11% JavaScript
    12% Kotlin
    11% AJAX +6
    11% HTML5
    11% Objective C
    11% PHP
    11% Swift
    11% Typescript
    11% jquery

    Elrising Technology Services Pvt Ltd is a Digital Strategy company. Their small team is in Kolkata, India. Their services include Digital Strategy and Search Engine Optimization.

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  • Nexgen Networks Ltd Logotype

    Nexgen Networks Ltd

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    10% Web Development
    20% Cloud Consulting & SI
    20% IT Managed Services +4
    20% IT Staff Augmentation
    10% AI Development
    10% Custom Software Development
    10% Mobile App Development

    Focus Areas

    11% JavaScript
    12% AJAX
    11% PHP +6
    11% Python
    11% Redux
    11% Ruby
    11% SQL
    11% Swift
    11% Visual Basic

    Nexgen Networks Ltd is a cloud consulting & SI company. They were launched in 2024, and their services include cloud consulting & SI and IT managed services.

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  • Knowsec Logotype

    Knowsec

    Not yet reviewed

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

    Services provided

    11% Web Development
    12% Cybersecurity
    11% Application Testing +6
    11% CRM Consulting and SI
    11% Custom Software Development
    11% E-Commerce Development
    11% ECM Consulting and SI
    11% ERP Consulting and SI
    11% Mobile App Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% HTML5 +7
    10% Java
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% SQL
    10% XML
    10% jquery

    Knowsec is a Cybersecurity company in Hammam Lif, Tunisia. Their services include Cybersecurity and CRM consulting and SI.

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  • QuickDIV Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Development
    10% Blockchain +7
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% Cybersecurity
    10% IoT Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    11% JavaScript
    11% ASP.NET
    11% Go +8
    11% PHP
    11% Python
    11% Redux
    10% Kotlin
    6% Ember.js
    6% Java
    6% SQL
    6% Typescript

    QuickDIV is a web design company. The Ahmedabad, India-based firm was founded in 2024. Their team focuses on Web Design and UX/UI Design.

    Read more
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  • DigiCorders Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Kent, WA

    Services provided

    10% Web Development
    10% Content Marketing
    10% Custom Software Development +7
    10% E-Commerce Development
    10% Email Marketing
    10% Graphic Design
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    11% JavaScript
    12% Kotlin
    11% AJAX +6
    11% ASP.NET
    11% C#
    11% C++
    11% PHP
    11% Python
    11% Visual Basic

    Established in 2021, DigiCorders is a social media marketing firm. The team provides Social Media Marketing and Content Marketing.

    Read more
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  • gensols Technology Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    London, England

    Services provided

    10% Web Development
    10% AI Consulting
    10% AI Development +7
    10% Blockchain
    10% Content Moderation Services
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% IT Strategy Consulting
    10% Mobile App Development

    Focus Areas

    11% JavaScript
    12% AJAX
    11% Objective C +6
    11% PHP
    11% Python
    11% Redux
    11% Ruby
    11% SQL
    11% Swift

    Gensols Technology is an IT strategy consulting company. They are located in London, England and have small team of experts. Their services include IT strategy consulting and IT staff augmentation.

    Read more
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  • Ciphermind Technologies Logotype

    Ciphermind Technologies

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49

    Services provided

    10% Web Development
    20% AI Development
    20% Blockchain +5
    10% API Development
    10% AR/VR Development
    10% ERP Consulting and SI
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    11% JavaScript
    11% ASP.NET
    11% C# +10
    11% Python
    11% Typescript
    10% Kotlin
    5% C++
    5% HTML5
    5% Java
    5% Redux
    5% Rust
    5% SQL
    5% jquery

    Application development company Ciphermind Technologies was launched in 2017. The team provides Mobile App Development and Artificial Intelligence and is headquartered in Lahore, Pakistan.

    Read more
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  • Adil HL Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer
    Aït Ourir, Morocco

    Services provided

    25% Web Development
    20% E-Commerce Development
    20% Mobile App Development +2
    20% Web Design
    15% Application Management & Support

    Focus Areas

    10% JavaScript
    25% C
    15% Python +5
    10% AJAX
    10% Ember.js
    10% PHP
    10% Typescript
    10% Visual Basic

    Launched in 2014, Adil HL is a small website development company. Their team provides Web Development and Web Design.

    Read more
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  • Crafters Digital Agency Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    Freelancer
    Esch-sur-Alzette, Luxembourg

    Services provided

    20% Web Development
    20% Branding
    20% Digital Strategy +4
    10% E-Commerce Development
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    15% JavaScript
    20% HTML5
    20% PHP +5
    10% Java
    10% Kotlin
    10% SQL
    10% Swift
    5% C++

    Crafters Digital Agency is a web development company. Established in 2017, the team specializes in Web Development and Branding.

    Read more
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  • Imagynix Logotype

    Imagynix

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer

    Services provided

    20% Web Development
    20% Branding
    20% Digital Strategy +2
    20% Mobile App Development
    20% Video Production

    Focus Areas

    15% JavaScript
    25% HTML5
    20% Redux +3
    15% AJAX
    15% PHP
    10% Kotlin

    Imagynix is a branding company founded in 2023. Their team specializes in Branding and Digital Strategy.

    Read more
    View Profile
  • Florent_G Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    Freelancer
    Montréal, Canada

    Services provided

    15% Web Development
    35% Ecommerce Marketing
    35% Search Engine Optimization +1
    15% Conversion Optimization

    Focus Areas

    20% JavaScript
    50% HTML5
    20% Python +1
    10% Ruby

    Florent_G is a SEO services firm. Launched in 2023, their team provides Search Engine Optimization and Ecommerce Marketing.

    Read more
    View Profile
  • Long Lake Technologies Logotype

    Long Lake Technologies

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer

    Services provided

    20% Web Development
    25% AI Development
    15% Generative AI +3
    15% IT Staff Augmentation
    15% Low/No Code Development
    10% Custom Software Development

    Focus Areas

    15% JavaScript
    35% Python
    15% SQL +5
    10% Java
    10% Typescript
    5% C++
    5% HTML5
    5% Kotlin

    Long Lake Technologies, a website development firm, was launched in 2022. The team provides Web Development and Artificial Intelligence.

    Read more
    View Profile
  • Akshay p Logotype

    Akshay p

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    10% Web Development
    20% Content Marketing
    20% Email Marketing +3
    20% Search Engine Optimization
    20% Social Media Marketing
    10% Low/No Code Development

    Focus Areas

    25% JavaScript
    70% HTML5
    5% jquery

    Akshay p is a social media marketing firm. They are located in Ramanattukara, India and have small team of experts. Their services include Social Media Marketing and Content Marketing.

    Read more
    View Profile
  • Priorcoder Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer
    Ludhiana, India

    Services provided

    20% Web Development
    15% Generative AI
    10% AI Consulting +7
    10% AI Development
    10% API Development
    10% Custom Software Development
    10% Mobile App Development
    5% E-Commerce Development
    5% Microservices Architecture Services
    5% Other Application Development

    Focus Areas

    15% JavaScript
    15% PHP
    15% Python +5
    15% Typescript
    10% AJAX
    10% Redux
    10% SQL
    10% jquery

    Priorcoder is a website development firm. They focus on Web Development and Generative AI and were established in 2023. The company is based in Ludhiana, India.

    Read more
    View Profile
  • Good Name Logotype

    Good Name

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    Freelancer

    Services provided

    20% Web Development
    20% API Development
    20% Custom Software Development +2
    20% E-Commerce Development
    20% Enterprise App Modernization

    Focus Areas

    15% JavaScript
    25% Typescript
    20% HTML5 +4
    15% C#
    15% Kotlin
    5% Rust
    5% jquery

    Good Name is a small Cape Town, South Africa-based custom software development firm. Their services include Custom Software Development and Web Development.

    Read more
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  • Rahn-Tech Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    Freelancer
    Stuttgart, Germany

    Services provided

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

    Focus Areas

    15% JavaScript
    15% HTML5
    15% PHP +4
    15% Python
    15% Redux
    15% Typescript
    10% SQL

    Software development firm Rahn-Tech was launched in 2019. The team offers Custom Software Development and Web Development and is located in Stuttgart, Germany.

    Read more
    View Profile
  • Shvayko Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    Freelancer
    Kyiv, Ukraine

    Services provided

    25% Web Development
    25% Application Management & Support
    25% UX/UI Design +1
    25% Web Design

    Focus Areas

    10% JavaScript
    15% AJAX
    15% SQL +6
    10% ASP.NET
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% jquery

    Shvayko is a web design agency. The team provides Web Design and UX/UI Design, and the company is headquartered in Kyiv, Ukraine.

    Read more
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Ability to deliver
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Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Brainhub
2 ImageX
3 xfive
4 The Software House
5 ATEAM SOFT SOLUTIONS
6 Airdev
7 Xmartlabs
8 Softonix
9 Toptal
10 Lizard Global
11 INOXOFT
12 PopArt Studio
13 GeekyAnts
14 SpdLoad
15 HTMLPanda

List of the Top 15 JavaScript Development Companies

  1. Brainhub Logotype

    Brainhub

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

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    50% Web Development
    75% JavaScript
    50% Other
    View Profile Visit Website
  2. 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
  3. xfive Logotype

    xfive

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

    Ability to deliver

    39.5/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  4. The Software House Logotype

    The Software House

    $10,000+
    $50 - $99 / hr
    50 - 249
    Gliwice, Poland

    Ability to deliver

    39.4/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    60% JavaScript
    55% Other
    View Profile Visit Website
  5. ATEAM SOFT SOLUTIONS Logotype

    ATEAM SOFT SOLUTIONS

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

    Ability to deliver

    38.1/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

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

    Airdev

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

    Ability to deliver

    39.1/40.0
    19.8/20 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. 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
  8. Softonix Logotype

    Softonix

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

    Ability to deliver

    36.9/40.0
    18/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  9. Toptal Logotype

    Toptal

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

    Ability to deliver

    39.5/40.0
    19.6/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  10. 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
  11. INOXOFT Logotype

    INOXOFT

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

    Ability to deliver

    39.8/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  12. 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
  13. 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
  14. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    36.8/40.0
    17/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

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

    HTMLPanda

    $1,000+
    < $25 / hr
    250 - 999
    Boston, 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. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

    38.8/40.0
    19/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    21% Web Development
    18% JavaScript
    79% Other
    View Profile Visit Website
  17. Incora Logotype

    Incora

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

    Ability to deliver

    37.2/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  19. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

    36.4/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  20. Brainium Information Technologies Logotype

    Brainium Information Technologies

    $10,000+
    < $25 / hr
    250 - 999
    Kolkata, India

    Ability to deliver

    36.3/40.0
    19/20 Reviews
    9/10 Clients & Experience
    8.4/10 Market Presence

    Service focus

    35% Web Development
    30% JavaScript
    65% Other
    View Profile Visit Website
  21. WPWeb Infotech Logotype

    WPWeb Infotech

    $5,000+
    < $25 / hr
    50 - 249
    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
  22. Human Made Logotype

    Human Made

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

    Ability to deliver

    38.2/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    100% Web Development
    30% JavaScript
    View Profile Visit Website
  23. 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
  24. Experion Technologies Logotype

    Experion Technologies

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

    Ability to deliver

    36.8/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
    View Profile Visit Website
  25. 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
  26. Blazity Logotype

    Blazity

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

    Ability to deliver

    37.5/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  27. XWP Logotype

    XWP

    $50,000+
    $150 - $199 / hr
    50 - 249
    Chelsea, Australia

    Ability to deliver

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

    Service focus

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

    Probey Services

    $1,000+
    < $25 / hr
    1,000 - 9,999
    London, England

    Ability to deliver

    36.5/40.0
    19.2/20 Reviews
    9.3/10 Clients & Experience
    8/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
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  29. 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
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  30. Oshyn Logotype

    Oshyn

    $25,000+
    $100 - $149 / hr
    50 - 249
    Long Beach, CA

    Ability to deliver

    36.2/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    8/10 Market Presence

    Service focus

    100% Web Development
    40% JavaScript
    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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