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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 8, 2026
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15 Leaders 15 Contenders

21,635 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
    6 of 6 reviews are 5 stars
    1 new review for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 6 times in the past 6 months

    Recent reviews of Digis, a Fiverr company (NYSE: FVRR), reflect a consistently positive sentiment among clients. Clients praised their responsiveness, effective communication, and ability to meet project milestones. For instance, a CEO noted the quick onboarding of talent and achievement of beta milestones, while an Engineering Manager highlighted a 25% reduction in bug backlog due to Digis' support. Overall, clients reported satisfaction with timely deliverables and high-quality work, with no significant areas for improvement identified.
    Read 6 Recent Reviews

    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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    United States (28) 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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  • Gigabit Tech Studio Logotype

    Gigabit Tech Studio

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Graphic Design
    13% Low/No Code Development +13
    10% Logo
    10% Search Engine Optimization
    10% Web Design
    7% Print Design
    5% Branding
    5% Social Media Marketing
    3% Content Marketing
    3% Digital Strategy
    3% E-Commerce Development
    3% Pay Per Click
    1% Custom Software Development
    1% Mobile App Development
    1% UX/UI Design

    Focus Areas

    25% JavaScript
    40% PHP
    20% SQL +2
    10% Other programming & scripting languages
    5% AJAX

    Established in 2020, Gigabit Tech Studio is a small Sheridan, Wyoming-based graphic design company. Their team provides Graphic Design and Low/No Code Development.

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  • Update Tech Ltd. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    35% IT Staff Augmentation
    15% IT Managed Services +4
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Strategy Consulting
    10% Mobile App Development

    Focus Areas

    25% JavaScript
    25% PHP
    10% Python +6
    10% SQL
    10% Typescript
    5% AJAX
    5% Kotlin
    5% Redux
    5% Swift

    Update Tech Ltd. Is an IT staff augmentation company. They are in Dhaka, Bangladesh. Their team specializes in IT staff augmentation and IT managed services.

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  • Integrated Computing Environments Ltd. Logotype

    Integrated Computing Environments Ltd.

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    20% C#
    20% C++ +5
    10% ASP
    10% C
    10% Python
    10% SQL
    10% Swift

    Integrated Computing Environments Ltd. Is a custom software development company established in 1989. The firm focuses on Custom Software Development and Web Development.

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  • MI Group USA Logotype

    Not yet reviewed

    $25,000+
    $200 - $300 / hr
    10 - 49
    Norcross, GA

    Services provided

    10% Web Development
    10% Content Marketing
    10% Custom Software Development +7
    10% Email Marketing
    10% Graphic Design
    10% Mobile App Development
    10% Pay Per Click
    10% SMS Marketing
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    25% JavaScript
    25% HTML5
    25% PHP +1
    25% Python

    MI Group USA is a social media marketing company. They specialize in Social Media Marketing and Content Marketing and are headquartered in Pembroke Pines, Florida and Norcross, Georgia.

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  • Hope Infosys Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% AI Development
    15% Cloud Consulting & SI +4
    15% Custom Software Development
    15% IT Staff Augmentation
    15% Mobile App Development
    10% Application Testing

    Focus Areas

    20% JavaScript
    40% PHP
    20% ASP.NET +1
    20% Visual Basic

    Hope Infosys is a cloud consulting & SI company. Their small team of employees is headquartered in Surat, India. Their team offers cloud consulting & SI and IT staff augmentation.

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  • Cats Software Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    10% Application Management & Support +5
    10% E-Commerce Development
    10% IoT Development
    10% Low/No Code Development
    10% Mobile App Development
    10% Other Application Development

    Focus Areas

    15% JavaScript
    25% ASP.NET
    20% HTML5 +3
    20% SQL
    15% C++
    5% PHP

    Cats Software, a custom software development company, is in Balıkesir, Türkiye. Their services include Custom Software Development and Web Development.

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  • Xpecto IT Solutions Pvt ltd Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    40% Custom Software Development
    30% Mobile App Development +1
    15% Digital Strategy

    Focus Areas

    20% JavaScript
    15% Kotlin
    15% PHP +7
    10% AJAX
    10% Redux
    10% SQL
    5% HTML5
    5% Typescript
    5% XML
    5% jquery

    Xpecto IT Solutions Pvt ltd, a software development firm, was founded in 2013. They specializes in Custom Software Development and Mobile App Development.

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  • Corbin & Brooks Logotype

    Corbin & Brooks

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

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

    Focus Areas

    25% JavaScript
    25% C#
    25% C++ +1
    25% PHP

    Corbin & Brooks is an Eugene, Oregon-based artificial intelligence development company. Their services include Artificial Intelligence and AI Consulting.

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  • Dellarocreative Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    10 - 49
    Gland, Switzerland

    Services provided

    20% Web Development
    20% API Development
    20% Custom Software Development +2
    20% E-Commerce Development
    20% UX/UI Design

    Focus Areas

    15% JavaScript
    15% AJAX
    15% HTML5 +4
    15% PHP
    15% SQL
    15% Swift
    10% jquery

    Dellarocreative is an user experience design company. Located in Gland, Switzerland, their team provides UX/UI Design and Custom Software Development.

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  • Groveus Informatics Private Limited Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    10% Custom Software Development
    10% E-Commerce Development +10
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    5% Application Management & Support
    5% Application Testing
    5% Content Marketing
    5% Ecommerce Marketing
    5% Mobile & App Marketing
    5% Pay Per Click
    5% Video Marketing

    Focus Areas

    20% JavaScript
    30% PHP
    20% SQL +4
    10% Java
    10% Other programming & scripting languages
    5% HTML5
    5% jquery

    Groveus Informatics Private Limited is a web development company. They are in Siliguri, India and have small team. They specialize in Web Development and Social Media Marketing.

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  • Zeabros Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AI Development
    20% Digital Strategy +2
    20% Graphic Design
    20% Mobile App Development

    Focus Areas

    15% JavaScript
    25% PHP
    20% HTML5 +2
    20% Java
    20% SQL

    Zeabros, a Digital Strategy company, specializes in Digital Strategy and Graphic Design. The firm is based in Gurugram, India and Gurugram, India.

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  • Nuvem Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    15% JavaScript
    30% C#
    15% HTML5 +3
    15% Kotlin
    15% SQL
    10% ASP.NET

    Nuvem, a small UX agency, is headquartered in Cuiabá, Brazil. Their services include UX/UI Design and Custom Software Development.

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  • AlderaSoft Logotype

    AlderaSoft

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    15% AI Development +8
    10% Application Testing
    5% API Development
    5% Application Management & Support
    5% DevOps Managed Services
    5% Microservices Architecture Services
    5% UX/UI Design
    5% Wearable App Development
    5% Web Design

    Focus Areas

    15% JavaScript
    15% Python
    10% Ember.js +8
    10% Java
    10% Kotlin
    10% PHP
    10% Swift
    5% Apex
    5% C#
    5% C++
    5% Ruby

    AlderaSoft is a web development company founded in 2019. Their team specializes in Web Development and Mobile App Development.

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  • STRONGMINDS - A Trifork Company Logotype

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    10 - 49
    Aarhus, Denmark

    Services provided

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

    Focus Areas

    15% JavaScript
    25% C#
    15% Python +4
    15% Redux
    10% ASP.NET
    10% C++
    10% Typescript

    STRONGMINDS - A Trifork Company is an Aarhus, Denmark-based user experience design company. The team provides UX/UI Design and Custom Software Development.

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  • Notus Logotype

    Notus

    Not yet reviewed

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

    Services provided

    25% Web Development
    30% Custom Software Development
    25% Mobile App Development +1
    20% ERP Consulting and SI

    Focus Areas

    10% JavaScript
    45% PHP
    25% Typescript +3
    10% SQL
    5% HTML5
    5% XML

    Notus is a custom software development firm. They were founded in 2018 and focus on Custom Software Development and Web Development.

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  • Oompitech Logotype

    Oompitech

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Custom Software Development
    20% E-Commerce Development +4
    20% Mobile App Development
    10% Application Management & Support
    10% Enterprise App Modernization
    10% Wearable App Development

    Focus Areas

    10% JavaScript
    20% PHP
    10% AJAX +6
    10% Apex
    10% Java
    10% Objective C
    10% Python
    10% Ruby
    10% Visual Basic

    Oompitech is a software development company. They were launched in 2019, and their services include Custom Software Development and E-Commerce Development.

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  • Woobsing Logotype

    Not yet reviewed

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

    Services provided

    12% Web Development
    25% Conversion Optimization
    10% CRM Consulting and SI +8
    10% Other Application Development
    10% UX/UI Design
    8% Web Design
    5% BI & Big Data Consulting & SI
    5% Business Consulting
    5% Digital Strategy
    5% E-Commerce Development
    5% Pay Per Click

    Focus Areas

    20% JavaScript
    35% PHP
    20% SQL +3
    10% Python
    10% XML
    5% AJAX

    Woobsing is a Conversion Optimization company. Their small team is in Bogotá, Colombia. Their team focuses on Conversion Optimization and Web Development.

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  • SyscoMatrix Logotype

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

    Services provided

    20% Web Development
    25% E-Commerce Development
    20% Custom Software Development +3
    15% UX/UI Design
    10% IT Staff Augmentation
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    10% HTML5
    10% Java +7
    10% Kotlin
    10% Objective C
    10% PHP
    10% Python
    10% Ruby
    10% Swift
    10% jquery

    SyscoMatrix specializes in mobile app development, as demonstrated by their successful creation of a comprehensive eCommerce application for a UAE client. The reviews highlight their technical expertise, proactive communication, and client-focused service, resulting in significant user engagement and sales growth. While their services exceeded expectations, suggestions for expanded support hours and enhanced training were noted for improvement.

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  • Anfinit Technologies LLP Logotype

    5.0 1 review
    Undisclosed
    Undisclosed
    2 - 9
    Raipur, India

    Services provided

    15% Web Development
    20% Digital Strategy
    20% Search Engine Optimization +3
    15% Content Writing Services
    15% Pay Per Click
    15% Transcription

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    10% Ember.js +6
    10% Java
    10% Objective C
    10% PHP
    10% Python
    10% Ruby
    10% Typescript

    Anfinit Technologies LLP specializes in Website Development, SEO, and Content Writing services. Reviewers consistently praise their structured project management, timely deliveries, and responsive communication. Their integration of web development, content, and SEO, combined with a client-centric approach, has effectively driven traffic and engagement, leading to positive initial outcomes and growth.

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  • Phi Horizon Tech and Services Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Branding
    25% Mobile App Development +4
    10% Custom Software Development
    10% E-Commerce Development
    10% Low/No Code Development
    5% Graphic Design

    Focus Areas

    22% JavaScript
    22% AJAX
    22% Python +2
    17% Java
    17% PHP

    Phi Horizon Tech and Services is a branding agency established in 2020. Their services include Branding and Web Development.

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  • Xplorbuzz Private Limited Logotype

    Xplorbuzz Private Limited

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

    Services provided

    20% Web Development
    20% Mobile App Development
    15% IT Strategy Consulting +6
    10% Call Center Services
    10% Cloud Consulting & SI
    10% UX/UI Design
    5% Back Office Outsourcing
    5% Custom Software Development
    5% IT Managed Services

    Focus Areas

    10% JavaScript
    20% Swift
    15% HTML5 +6
    10% ASP.NET
    10% PHP
    10% Python
    10% SQL
    10% jquery
    5% Typescript

    Xplorbuzz Private Limited – Stay Local, Think Global We are a full-stack IT & digital solutions company helping businesses in the USA, Canada, and beyond scale with smart, cost-effective

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  • Rafadigital Logotype

    Rafadigital

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

    Services provided

    20% Web Development
    35% Pay Per Click
    35% Search Engine Optimization +1
    10% AR/VR Development

    Focus Areas

    13% JavaScript
    13% Ember.js
    13% Other programming & scripting languages +5
    13% Redux
    13% Swift
    13% Visual Basic
    12% Kotlin
    10% Objective C

    Rafadigital offers Website Development, Web Design, and Web Programming services. Clients consistently praise Rafadigital for their exceptional communication, timely project delivery, and ability to exceed expectations. Their proficiency in creating custom functionalities and designs has set them apart in the industry.

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  • Rankozy Logotype

    Rankozy

    5.0 1 review
    $1,000+
    $200 - $300 / hr
    10 - 49

    Services provided

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

    Focus Areas

    20% JavaScript
    35% PHP
    20% SQL +2
    15% Other programming & scripting languages
    10% Java

    Rankozy – Your Partner in Digital Growth & Success In today’s digital era, having a powerful online presence is essential. At Rankozy, we help businesses stand out, grow, and dominate their

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    $990 5-Page WordPress, SEO, Mobile-Friendly, 7-10 Days $1,999 10+ Page WordPress/PHP, SEO,Blog, E-Com,10-15 Days $4,999 Custom Python/Django, SEO,Security, API,20-30 Days

    Custom Web Development & SEO-Optimized Sites

    At Rankozy, we create high-performance websites using WordPress, PHP, Python, Django, and SQL. Our solutions are designed for speed, security, and SEO optimization, helping businesses rank higher and grow online. Whether you need a corporate site, e-commerce store, or custom web app, we deliver tailored solutions for your success.
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  • Ariston IT Services Logotype

    Ariston IT Services

    4.5 2 reviews
    $1,000+
    < $25 / hr
    10 - 49

    Services provided

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

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% C# +2
    20% HTML5
    20% SQL

    Ariston IT Services provides customized software solutions, enhancing operational efficiency through process management and automation. Their reviews highlight their expertise in Website Development and Online Development, noting their strong project management skills and responsiveness. Clients appreciate their tailored solutions and efficiency improvements, although there's room for clearer communication on project milestones.

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  • Website developers Logotype

    Website developers

    5.0 2 reviews
    $5,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% IT Staff Augmentation +3
    20% UX/UI Design
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% Other programming & scripting languages +2
    20% PHP
    20% Python

    Website developers offers comprehensive Website Development services, including Web Design and Web Programming, with a strong focus on creating responsive, secure, and user-friendly platforms. The reviews highlight their expertise in eCommerce development, proactive problem-solving, and successful delivery of projects that increase sales and enhance customer satisfaction, despite suggestions for improving project kickoff phases.

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  • DvgSoft Logotype

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% E-Commerce Development +2
    20% Mobile App Development
    20% Web Design

    Focus Areas

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

    DvgSoft offers services in data analysis and visualization, specifically tailored to ecommerce sales data. The reviews highlight their ability to provide accurate and dynamic insights, timely project management, and excellent communication, all of which contribute to a highly satisfactory client experience. DvgSoft is praised for its responsiveness and professionalism, making it a reliable partner for data-focused projects.

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  • LogiClix Tech Logotype

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    10 - 49
    New Delhi, India

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +2
    20% Pay Per Click
    20% Search Engine Optimization

    Focus Areas

    20% JavaScript
    30% PHP
    20% Kotlin +2
    20% Swift
    10% Java

    LogiClix Tech specializes in Website Development and Web Design services. Their reviews highlight exceptional communication, professionalism, and timely delivery of projects. Clients appreciate their ability to develop complex systems, such as booking platforms, seamlessly integrated into websites.

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  • XYMAX Technologies Logotype

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% IT Managed Services +3
    20% Web Design
    10% Graphic Design
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +6
    10% AJAX
    10% SQL
    5% ASP.NET
    5% C++
    5% Go
    5% Other programming & scripting languages

    XYMAX Technologies offers services in Website Development, including Web Design and Online Development. The overall feedback highlights their reliability, capability, and effective communication, with clients appreciating their ability to understand project goals and customize functionalities to meet unique needs. No areas for improvement were identified in the reviews.

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  • TecQify Solutions Inc Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Vancouver, Canada

    Services provided

    15% Web Development
    25% Conversion Optimization
    15% Search Engine Optimization +13
    5% Affiliate Marketing
    5% Custom Software Development
    5% Graphic Design
    5% Mobile & App Marketing
    5% Mobile App Development
    5% Pay Per Click
    5% UX/UI Design
    5% Web Design
    1% Advertising
    1% Content Marketing
    1% Marketing Strategy
    1% Other Marketing
    1% Social Media Marketing

    Focus Areas

    25% JavaScript
    20% Typescript
    10% Java +6
    10% Other programming & scripting languages
    10% Python
    10% SQL
    5% ASP.NET
    5% Go
    5% PHP

    TecQify Solutions Inc offers integrated POS system development, software development, and custom solution integration services. Clients consistently commend the company for its technical expertise, innovative approach, and strong project management skills. While there is room for improvement in communication and initial scoping, the overall feedback highlights TecQify's commitment to client satisfaction and delivering high-quality, tailored solutions.

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  • Offlink Digital Logotype

    Offlink Digital

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

    Services provided

    20% Web Development
    30% Mobile App Development
    30% Web Design +2
    10% Custom Software Development
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    25% PHP
    20% SQL +2
    20% jquery
    15% Python

    Offlink Digital offers services in Website Development, Web Design, and SEO, focusing on UI/UX design and mobile responsiveness. Clients praise their attention to detail, effective project management, and ability to deliver high-quality web programming. Overall, Offlink Digital receives positive feedback for aligning with client needs and offering good value for cost.

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  • OXA Studio Logotype

    5.0 1 review
    Undisclosed
    $25 - $49 / hr
    10 - 49
    Tiranë, Albania

    Services provided

    20% Web Development
    20% Application Testing
    20% Cloud Consulting & SI +2
    20% Custom Software Development
    20% IT Strategy Consulting

    Focus Areas

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

    At OXA Studio, founded in 2018 and based in Tirana, Albania, we specialize in creating scalable cloud solutions for B2B and B2C companies. Our expertise spans across software development,

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  • Pixels Digital Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    10 - 49
    Dhaka, Bangladesh

    Services provided

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

    Focus Areas

    10% JavaScript
    15% PHP
    10% Java +12
    10% Python
    5% ASP
    5% C++
    5% HTML5
    5% Kotlin
    5% Other programming & scripting languages
    5% Perl
    5% Rust
    5% SQL
    5% Typescript
    5% XML
    5% jquery

    Pixels Digital provides comprehensive Web Development and Web Design services, focusing on delivering highly functional and visually striking websites. Client reviews highlight their technical expertise, attention to detail, and efficient project management. The outcomes of their work include increased web traffic, improved SEO, and enhanced mobile optimization, demonstrating their capability in providing effective online development solutions. Their commitment to personalized service and prompt communication is consistently praised.

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  • Nav Ecommerce Logotype

    Nav Ecommerce

    4.5 1 review
    Undisclosed
    $50 - $99 / hr
    10 - 49

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Ecommerce Marketing +5
    10% Low/No Code Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    30% JavaScript
    30% Other programming & scripting languages
    30% PHP +1
    10% HTML5

    Nav Ecommerce offers comprehensive services in Website Development and Web Design, specializing in custom inventory and sales management systems. The reviews highlight their technical expertise, responsiveness, and commitment to tailored solutions, demonstrating significant improvements in operational efficiency and sales growth. Clients appreciate their project management and proactive communication, though some suggest enhanced post-deployment support and documentation.

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  • Cyber Vision Development Studio™ Logotype

    Not yet reviewed

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

    Services provided

    30% Web Development
    20% Custom Software Development
    10% Mobile App Development +7
    10% Web Design
    5% Application Management & Support
    5% Branding
    5% CRM Consulting and SI
    5% ERP Consulting and SI
    5% Logo
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    30% PHP
    30% Python +3
    20% SQL
    5% Objective C
    5% Swift

    Cyber Vision Development Studio™ is a web development company. The small Yerevan, Armenia-based team specializes in Web Development and Custom Software Development. The agency was founded in 2014.

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  • Totient Business Solutions Pvt Ltd Logotype

    Totient Business Solutions Pvt Ltd

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Custom Software Development
    20% Mobile App Development +3
    10% Application Testing
    10% IT Strategy Consulting
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    40% Java
    20% C# +1
    20% SQL

    Totient Business Solutions Pvt Ltd, a software development company, is located in Bengaluru, India. They offer Custom Software Development and Mobile App Development.

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  • ThumbStack Technologies Private Limited Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    20% JavaScript
    20% AJAX
    20% ASP +2
    20% ASP.NET
    20% C#

    ThumbStack Technologies Private Limited is a custom software development firm. Their team is located in Mumbai, India and offers Custom Software Development and Artificial Intelligence.

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  • The Net Technology Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +7
    10% Custom Software Development
    10% Web Design
    5% Application Testing
    5% IoT Development
    4% Graphic Design
    4% UX/UI Design
    2% Logo

    Focus Areas

    20% JavaScript
    15% Java
    15% Objective C +6
    15% PHP
    10% Other programming & scripting languages
    10% Swift
    5% AJAX
    5% SQL
    5% XML

    The Net Technology is an e-commerce development company. They are based in New Delhi, India and have small team of experts. Their services include E-Commerce Development and Mobile App Development.

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  • Appnism Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    25% Custom Software Development
    20% Mobile App Development +6
    10% E-Commerce Development
    5% BI & Big Data Consulting & SI
    5% CRM Consulting and SI
    5% Cloud Consulting & SI
    5% IT Strategy Consulting
    5% IoT Development

    Focus Areas

    20% JavaScript
    10% AJAX
    10% ASP.NET +6
    10% Java
    10% Objective C
    10% PHP
    10% SQL
    10% Swift
    10% XML

    Appnism Technologies is a software development firm. They are in Ahmedabad, India. Their team provides Custom Software Development and Mobile App Development.

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  • HOTKEY.agency Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    20% Mobile App Development
    20% Search Engine Optimization +4
    15% Web Design
    10% E-Commerce Development
    5% Graphic Design
    5% Logo

    Focus Areas

    15% JavaScript
    40% PHP
    15% Java +3
    15% Swift
    10% AJAX
    5% SQL

    HOTKEY.agency is a Toronto, Canada-based web development firm. The team offers Web Development and Mobile App Development.

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  • Next Digital Web Solutions Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    20% Search Engine Optimization +2
    20% Social Media Marketing
    20% Web Design

    Focus Areas

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

    Next Digital Web Solutions, a mobile application development company, was founded in 2015. The firm specializes in Mobile App Development and Search Engine Optimization, and is small.

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  • Axzor Logotype

    Axzor

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    20% Web Design +3
    15% Social Media Marketing
    15% UX/UI Design
    10% Logo

    Focus Areas

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

    Founded in 2015, Axzor is an app development firm. The small team specializes in Mobile App Development and Web Design.

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  • iByte Solutions Logotype

    iByte Solutions

    Not yet reviewed

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

    Services provided

    30% Web Development
    30% Web Design
    15% Logo +3
    10% Social Media Marketing
    10% UX/UI Design
    5% Mobile App Development

    Focus Areas

    10% JavaScript
    50% PHP
    30% SQL +1
    10% AJAX

    Founded in 2015, iByte Solutions is a small web design agency. Their services include Web Design and Web Development.

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  • Craftsmen Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% AI Development
    20% Custom Software Development +3
    10% Cloud Consulting & SI
    10% IT Staff Augmentation
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    20% C#
    20% C++ +2
    20% Other programming & scripting languages
    20% Redux

    Craftsmen is an artificial intelligence company in Dhaka, Bangladesh. Their services include Artificial Intelligence and Custom Software Development.

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  • Cybosys Media Logotype

    Cybosys Media

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Web Design
    10% Branding +5
    10% Content Marketing
    10% E-Commerce Development
    10% Graphic Design
    10% Pay Per Click
    10% Social Media Marketing

    Focus Areas

    20% JavaScript
    40% PHP
    20% SQL +2
    10% Other programming & scripting languages
    10% XML

    Cybosys Media is a web design company founded in 2008. Their team provides Web Design and Web Development.

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  • Digitus Computing Private Limited Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    25% Custom Software Development
    20% Mobile App Development +4
    10% Blockchain
    10% E-Commerce Development
    10% IoT Development
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    50% Other programming & scripting languages
    10% SQL +3
    10% Swift
    5% AJAX
    5% Java

    Custom software development company Digitus Computing Private Limited is headquartered in Ahmedabad, India. They offer Custom Software Development and Mobile App Development.

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  • eMentalist Outsourcing Services Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Social Media Marketing
    10% Business Consulting +5
    10% Call Center Services
    10% E-Commerce Development
    10% Graphic Design
    10% Mobile App Development
    10% Video Production

    Focus Areas

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

    EMentalist Outsourcing Services Pvt. Ltd., a small social media marketing agency, is headquartered in Ahmedabad, India. Their services include Social Media Marketing and Web Development.

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  • Colevit Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% IT Strategy Consulting +3
    20% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% Python
    10% ASP.NET +5
    10% Go
    10% Kotlin
    10% PHP
    10% Ruby
    10% Swift

    Colevit Technologies is a cloud consulting & SI company. They are based in Noida, India, and their services include cloud consulting & SI and IT strategy consulting.

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  • Digital Agency 247 Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Search Engine Optimization
    30% Social Media Marketing +1
    20% Pay Per Click

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% Python +2
    20% Ruby
    20% SQL

    Digital Agency 247, a SEO company, is headquartered in Indore, India. They offer Search Engine Optimization and Social Media Marketing.

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  • HiDigitals Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Mobile App Development +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    20% JavaScript
    20% C#
    20% Java +2
    20% Python
    20% SQL

    HiDigitals is a small user experience company. Established in 2015, the team specializes in UX/UI Design and Digital Strategy.

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  • Startiyo Business Solutions Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% Mobile App Development
    20% E-Commerce Development +2
    10% Custom Software Development
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    40% PHP
    25% Swift +1
    15% Other programming & scripting languages

    Startiyo Business Solutions, a mobile app development firm, is in Kochi, India and Dubai, United Arab Emirates. The team focuses on Mobile App Development and E-Commerce Development.

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We evaluate service providers using a structured methodology that combines:

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

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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 Brainium Information Technologies

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. Brainium Information Technologies Logotype

    Brainium Information Technologies

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

    Ability to deliver

    36.7/40.0
    19.4/20 Reviews
    9/10 Clients & Experience
    8.4/10 Market Presence

    Service focus

    35% Web Development
    30% JavaScript
    65% Other
    View Profile Visit Website
  16. 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
  17. 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
  18. 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
  20. 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
  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
    View Profile Visit Website
  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
    View Profile Visit Website
  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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