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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 7, 2026
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15 Leaders 15 Contenders

21,635 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

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    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

    4.9 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
    16 of 22 Web Development reviews are 5 stars
    1 new review for Web Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Hosting Platform Development for Advertising & Marketing Co

    4.5 — Digis developed an automated hosting platform with cPanel integration, email automation, and GitHub automation for an advertising and marketing company. Read more
    Read 22 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

    View projects from:

    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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  • Z8 Software House Logotype

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

    Services provided

    10% Web Development
    70% Custom Software Development
    10% AI Development +1
    10% Other Application Development

    Focus Areas

    30% JavaScript
    60% Python
    5% C++ +1
    5% SQL

    Z8 Software House specializes in enhancing software functionality, particularly in Angular, and improving communication with microcontrollers. Reviews highlight their competitive pricing, quick lead times, and exemplary communication, noting their clear, direct interactions and patience in explaining complex topics. Clients appreciate their professional and swift task execution, leading to tangible improvements in product performance.

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  • M3DIAKINGS CORP Logotype

    M3DIAKINGS CORP

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    2 - 9

    Services provided

    15% Web Development
    15% API Development
    15% Application Management & Support +5
    15% Custom Software Development
    10% E-Commerce Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    25% JavaScript
    35% PHP
    20% Other programming & scripting languages +2
    10% AJAX
    10% jquery

    Founded in 2018, M3DIAKINGS CORP is a software development company. Their team specializes in Custom Software Development and Web Development.

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  • Deck Information & Technology Logotype

    4.5 1 review
    $5,000+
    $25 - $49 / hr
    2 - 9
    Ahmedabad, India

    Services provided

    20% Web Development
    35% Custom Software Development
    20% Mobile App Development +4
    10% Logo
    5% Other Application Development
    5% Wearable App Development
    5% Web Design

    Focus Areas

    15% JavaScript
    40% PHP
    20% SQL +3
    10% Java
    10% Kotlin
    5% Python

    Deck Information & Technology specializes in developing customized software solutions, including cloud-based applications with GPS technology. Reviews consistently praise their effective communication, adherence to timelines, and robust project management skills. Clients particularly value their ability to understand project requirements and willingness to adapt to changes, making them a reliable technology partner.

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  • SKJ CORP Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    30% Mobile App Development
    15% Custom Software Development +5
    10% E-Commerce Development
    10% Web Design
    5% AR/VR Development
    3% Enterprise App Modernization
    2% Other Application Development

    Focus Areas

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

    SKJ CORP is a mobile application development company. In New Delhi, India, their team specializes in Mobile App Development and Web Development.

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  • WhiteLion InfoSystems Pvt Ltd Logotype

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

    Services provided

    20% Web Development
    30% Mobile App Development
    15% IoT Development +4
    10% AR/VR Development
    10% E-Commerce Development
    10% Wearable App Development
    5% Custom Software Development

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    10% AJAX +6
    10% Java
    10% Kotlin
    10% Objective C
    10% PHP
    10% Redux
    10% Swift

    WhiteLion InfoSystems Pvt Ltd offers services in website development and mobile app development. Reviews praise their reliability, timely delivery, and effective communication. Clients appreciate their outstanding support, organized workflow, and versatile knowledge in application development, which contribute to strong, ongoing working relationships.

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  • WE FOR WEB Logotype

    WE FOR WEB

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% C#
    10% C++
    10% Java
    10% Objective C
    10% PHP
    10% Python
    10% Swift

    WE FOR WEB is a Brașov, Romania-based custom software development firm. They provide Custom Software Development and E-Commerce Development and were established in 2017.

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  • Bespoken Management Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Search Engine Optimization
    20% Pay Per Click +5
    10% CRM Consulting and SI
    10% Digital Strategy
    10% Social Media Marketing
    5% Corporate Law
    5% Mobile App Development

    Focus Areas

    15% JavaScript
    35% PHP
    15% Python +3
    15% SQL
    10% ASP.NET
    10% Other programming & scripting languages

    Established in 2014, Bespoken Management is a SEO agency. The team offers Search Engine Optimization and Pay Per Click.

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  • AuthentiCode Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Sahibzada Ajit Singh Nagar, India

    Services provided

    10% Web Development
    10% Custom Software Development
    10% E-Commerce Development +10
    10% Mobile App Development
    10% UX/UI Design
    10% Wearable App Development
    10% Web Design
    5% Direct Marketing
    5% Graphic Design
    5% Logo
    5% Mobile & App Marketing
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

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

    AuthentiCode is a web design agency. The small Sahibzada Ajit Singh Nagar, India-based team focuses on Web Design and UX/UI Design. The agency was established in 2019.

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  • epiccodez Logotype

    epiccodez

    Not yet reviewed

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

    Services provided

    30% Web Development
    30% Mobile App Development
    20% Custom Software Development +2
    10% Business Consulting
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    45% SQL
    25% PHP +1
    20% Python

    Epiccodez is a software development company in Himatnagar, India. They focus on Custom Software Development and Web Development and were founded in 2021.

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  • A & H Solutions Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% AI Consulting
    10% AI Development +9
    10% Custom Software Development
    10% Generative AI
    10% Mobile App Development
    5% Application Management & Support
    5% Application Testing
    5% E-Commerce Development
    5% IT Managed Services
    5% IoT Development
    5% Wearable App Development

    Focus Areas

    15% JavaScript
    10% C++
    10% Go +12
    10% Java
    5% AJAX
    5% ASP.NET
    5% Ember.js
    5% HTML5
    5% PHP
    5% Python
    5% Redux
    5% Ruby
    5% SQL
    5% Scala
    5% Typescript

    A & H Solutions is a website development firm launched in 2021. Located in Edmonton, Canada, the team provides Web Development and AI Consulting.

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  • Dixinfotech Services LLP Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Search Engine Optimization
    20% E-Commerce Development +3
    20% Social Media Marketing
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    30% PHP
    20% HTML5 +4
    15% Typescript
    10% AJAX
    10% Redux
    5% Ember.js

    SEO services firm Dixinfotech Services LLP is in Faridabad, India. They focus on Search Engine Optimization and Social Media Marketing and were launched in 2013.

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  • seomynds Logotype

    seomynds

    Not yet reviewed

    Undisclosed
    < $25 / hr
    Freelancer

    Services provided

    14% Web Development
    15% Mobile App Development
    10% Graphic Design +8
    10% Logo
    10% Mobile & App Marketing
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design
    5% Email Marketing
    5% Pay Per Click
    1% Content Marketing

    Focus Areas

    54% JavaScript
    31% HTML5
    15% Ember.js

    Seomynds is a Visakhapatnam, India-based application development company. Their services include Mobile App Development and Web Development.

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  • Beehive Digital Services Logotype

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

    Services provided

    10% Web Development
    10% AI Development
    10% Advertising +7
    10% Application Testing
    10% Custom Software Development
    10% Mobile & App Marketing
    10% Mobile App Development
    10% Other Application Development
    10% Other Marketing
    10% Search Engine Optimization

    Focus Areas

    11% JavaScript
    22% Other programming & scripting languages
    12% PHP +5
    11% Ember.js
    11% Java
    11% Python
    11% Swift
    11% Typescript

    Beehive Digital Services offers web development, digital marketing, software testing, local SEO, and social media management services. Reviews highlight their commitment, effective communication, and ability to complete projects ahead of deadlines, enhancing client visibility on platforms like Google Maps. The feedback indicates a high level of satisfaction with no areas for improvement noted.

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  • Brick Global Technologies Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    30% Mobile App Development
    20% Custom Software Development +3
    10% AR/VR Development
    10% Low/No Code Development
    5% IT Staff Augmentation

    Focus Areas

    18% JavaScript
    18% PHP
    18% Python +3
    18% SQL
    16% AJAX
    12% Java

    Brick Global Technologies , a small custom software development firm, is in Lagos, Nigeria. The team focuses on Custom Software Development and Mobile App Development.

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  • VOID Software Logotype

    Not yet reviewed

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

    Services provided

    13% Web Development
    20% Mobile App Development
    15% Custom Software Development +7
    10% BI & Big Data Consulting & SI
    10% Cybersecurity
    10% Enterprise App Modernization
    10% IT Strategy Consulting
    5% UX/UI Design
    5% Web Design
    2% IoT Development

    Focus Areas

    20% JavaScript
    35% Java
    10% PHP +8
    6% Objective C
    6% Swift
    5% AJAX
    5% C
    5% SQL
    3% Perl
    3% Python
    2% XML

    VOID Software is a mobile application development firm. In Leiria, Portugal, the company was established in 2006. Their services include Mobile App Development and Custom Software Development.

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  • NOVA4 Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Mobile App Development
    25% Web Design +3
    15% Search Engine Optimization
    10% AR/VR Development
    10% UX/UI Design

    Focus Areas

    18% JavaScript
    18% Java
    18% PHP +3
    18% Swift
    16% AJAX
    12% C#

    NOVA4, a small web design company, is based in Baabda, Lebanon. Their services include Web Design and Mobile App Development.

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  • Go Creative Arts Logotype

    Not yet reviewed

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

    Services provided

    26% Web Development
    26% Web Design
    9% Branding +9
    9% Email Marketing
    6% Business Consulting
    6% Marketing Strategy
    5% Search Engine Optimization
    4% Graphic Design
    3% Market Research
    2% Content Marketing
    2% Digital Strategy
    2% Print Design

    Focus Areas

    15% JavaScript
    26% Other programming & scripting languages
    22% PHP +3
    15% AJAX
    12% XML
    10% SQL

    Go Creative Arts is a small web design company headquartered in Spring, Texas. Their services include Web Design and Web Development.

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  • Infinity Curve Logotype

    Infinity Curve

    Not yet reviewed

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

    Services provided

    20% Web Development
    25% Mobile App Development
    20% E-Commerce Development +5
    10% AR/VR Development
    10% Custom Software Development
    5% AI Development
    5% Blockchain
    5% Other Application Development

    Focus Areas

    21% JavaScript
    16% PHP
    11% Python +10
    7% Kotlin
    5% ASP.NET
    5% C#
    5% C++
    5% Elixir
    5% HTML5
    5% Java
    5% Rust
    5% Swift
    5% Typescript

    Infinity Curve is a mobile app development company. Their team is based in Dubai, United Arab Emirates and Cheyenne, Wyoming and specializes in Mobile App Development and Web Development.

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  • GFXnext Logotype

    GFXnext

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

    Services provided

    10% Web Development
    12% Low/No Code Development
    10% Graphic Design +14
    10% Logo
    10% Social Media Marketing
    5% Application Management & Support
    5% Architectural Design
    5% E-Commerce Development
    5% IT Managed Services
    5% Interior Design
    5% Packaging Design
    5% Print Design
    5% Search Engine Optimization
    5% UX/UI Design
    1% Custom Software Development
    1% Mobile App Development
    1% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% C#
    10% C++
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Redux
    10% SQL

    GFXnext offers website development and logo design services, with a focus on creating WordPress blog news websites. The reviews highlight their effective communication, timely updates, and live support, emphasizing the company's ability to build trust despite being new in the field. Overall, clients appreciate their reliable services and competitive pricing.

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  • Easy Biz Tech LLC Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    Freelancer
    Everett, WA

    Services provided

    15% Web Development
    15% Business Consulting
    15% Conversion Optimization +5
    15% Search Engine Optimization
    15% Web Design
    10% Graphic Design
    10% UX/UI Design
    5% Mobile App Development

    Focus Areas

    40% JavaScript
    40% Python
    20% SQL

    Easy Biz Tech LLC is a Conversion Optimization company established in 2021. Located in Everett, Washington, the team offers Conversion Optimization and Search Engine Optimization.

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  • VECTORdesign Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    35% JavaScript
    35% PHP
    30% HTML5

    VECTORdesign is a small web design company in Ghedi, Italy. Their services include Web Design and Custom Software Development.

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  • Integrallis Logotype

    Integrallis

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    2 - 9

    Services provided

    15% Web Development
    15% BI & Big Data Consulting & SI
    15% E-Commerce Development +5
    15% Mobile App Development
    10% Cloud Consulting & SI
    10% Enterprise App Modernization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% Java
    20% Ruby +3
    20% Swift
    10% AJAX
    10% SQL

    Integrallis is a -based business intelligence company. They specialize in BI & big data consulting & SI and E-Commerce Development and were launched in 2002.

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  • Webconsuls, LLC Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Pay Per Click
    15% Search Engine Optimization +6
    10% Branding
    10% Content Marketing
    10% Mobile App Development
    10% Social Media Marketing
    10% Video Production
    10% Web Design

    Focus Areas

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

    Launched in 1999, Webconsuls, LLC, a small SEO agency, is located in Nashville, Tennessee and Los Angeles, California. Their team offers Search Engine Optimization and Pay Per Click.

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  • IM Solutions Logotype

    4.5 1 review
    Undisclosed
    Undisclosed
    10 - 49
    Bengaluru, India

    Services provided

    10% Web Development
    30% Advertising
    25% Search Engine Optimization +2
    20% Social Media Marketing
    15% Pay Per Click

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +2
    20% SQL
    20% Visual Basic

    IM Solutions is a leading Advertising Agency located in Bangalore, India. We are an advertising firm working for prominent brands globally. Our team of professionals provide complete services in

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  • foOfys Solutions Logotype

    foOfys Solutions

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    30% Ruby
    20% Other programming & scripting languages +4
    15% Java
    15% Objective C
    5% SQL
    5% Swift

    Software development company foOfys Solutions is in Bangalore, India. The team specializes in Custom Software Development and UX/UI Design.

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  • Hashstash Studios Pvt. Ltd. Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Mobile App Development
    20% AR/VR Development +3
    20% Custom Software Development
    10% Product Design
    10% Video Production

    Focus Areas

    15% JavaScript
    20% C#
    15% C++ +7
    15% Objective C
    10% XML
    5% AJAX
    5% C
    5% PHP
    5% Python
    5% Swift

    In Noida, India, Hashstash Studios Pvt. Ltd. Is an application development company. The team offers Mobile App Development and Custom Software Development.

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  • CGR Creative Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Search Engine Optimization
    20% Web Design +6
    10% Advertising
    10% Graphic Design
    10% Media Planning & Buying
    10% Pay Per Click
    5% Digital Strategy
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% PHP
    20% SQL +4
    10% AJAX
    10% ASP
    10% Other programming & scripting languages
    10% XML

    CGR Creative is a SEO services firm. Launched in 2002, their team provides Search Engine Optimization and Web Design.

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  • Norjimm Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +4
    15% BI & Big Data Consulting & SI
    10% Custom Software Development
    10% Search Engine Optimization
    5% AI Development

    Focus Areas

    10% JavaScript
    30% PHP
    20% SQL +4
    10% AJAX
    10% C
    10% C#
    10% C++

    Norjimm Pvt Ltd is an e-commerce development company. They were established in 2016, and their services include E-Commerce Development and Mobile App Development.

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  • Flint Studio Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Digital Strategy
    15% Social Media Marketing +5
    15% UX/UI Design
    10% Content Marketing
    10% Custom Software Development
    10% Mobile App Development
    10% Search Engine Optimization

    Focus Areas

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

    Flint Studio is a Digital Strategy company. Located in Johannesburg, South Africa, the team offers Digital Strategy and UX/UI Design.

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  • RIPEN Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    10 - 49
    Princeton, NJ

    Services provided

    10% Web Development
    20% Digital Strategy
    20% E-Commerce Development +4
    20% UX/UI Design
    10% Email Marketing
    10% Marketing Strategy
    10% Web Design

    Focus Areas

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

    RIPEN is an user experience design agency. They were established in 2003, and their services include UX/UI Design and Digital Strategy.

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  • Advent Interactive Logotype

    Advent Interactive

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Custom Software Development
    10% E-Commerce Development +7
    10% IT Strategy Consulting
    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

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

    Custom software development firm Advent Interactive was launched in 2011. Based in Karashi, Pakistan, the team specializes in Custom Software Development and UX/UI Design.

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  • The SPI Group LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Fairfield, NJ

    Services provided

    15% Web Development
    25% Public Relations
    15% Branding +3
    15% Content Marketing
    15% Mobile App Development
    15% Search Engine Optimization

    Focus Areas

    15% JavaScript
    20% PHP
    20% SQL +3
    15% ASP
    15% C#
    15% XML

    Small public relations company The SPI Group LLC, is headquartered in Fairfield, New Jersey. Their services include Public Relations and Branding.

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  • Intuitive IT Pty Ltd Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    10 - 49
    Fitzroy, Australia

    Services provided

    15% Web Development
    15% Custom Software Development
    15% E-Commerce Development +5
    15% IT Managed Services
    10% Application Management & Support
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Web Design

    Focus Areas

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

    Intuitive IT Pty Ltd is an IT managed services company established in 2009. Their services include IT managed services and Custom Software Development.

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  • Junipero IT Solutions Pvt. Ltd Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Search Engine Optimization
    5% Affiliate Marketing +27
    5% Content Marketing
    5% Custom Software Development
    5% E-Commerce Development
    5% Email Marketing
    5% IT Managed Services
    5% Logo
    5% Mobile & App Marketing
    5% Pay Per Click
    5% Social Media Marketing
    5% UX/UI Design
    5% Web Design
    3% Mobile App Development
    2% Digital Strategy
    2% Print Design
    1% Advertising
    1% Architectural Design
    1% Branding
    1% Conversion Optimization
    1% Direct Marketing
    1% Graphic Design
    1% Market Research
    1% Marketing Strategy
    1% Other Application Development
    1% Other Digital Marketing
    1% Product Design
    1% Public Relations
    1% Wearable App Development

    Focus Areas

    20% JavaScript
    70% PHP
    10% XML

    Headquartered in Gurugram, India, Junipero IT Solutions Pvt. Ltd is a SEO agency. Founded in 2015, the team specializes in Search Engine Optimization and Web Development.

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  • p2 media GmbH & Co. KG Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    10 - 49
    Minden, Germany

    Services provided

    20% Web Development
    15% UX/UI Design
    10% Content Marketing +8
    10% Digital Strategy
    10% Mobile App Development
    10% Web Design
    5% Business Consulting
    5% Conversion Optimization
    5% E-Commerce Development
    5% Robotics Process Automation
    5% Search Engine Optimization

    Focus Areas

    10% JavaScript
    30% HTML5
    20% PHP +4
    10% AJAX
    10% SQL
    10% Typescript
    10% XML

    P2 media GmbH & Co. KG, a website development firm, is in Minden, Germany and Hamburg, Germany. They provide Web Development and UX/UI Design.

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  • Rezart Logotype

    Rezart

    Not yet reviewed

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

    Services provided

    20% Web Development
    25% Web Design
    20% Social Media Marketing +3
    15% Marketing Strategy
    10% Branding
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    40% HTML5
    30% PHP +1
    20% jquery

    Rezart, a web design agency, was launched in 2017. They focuses on Web Design and Social Media Marketing.

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  • Relevance Management Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    10 - 49
    București, Romania

    Services provided

    20% Web Development
    20% BI & Big Data Consulting & SI
    20% Custom Software Development +2
    20% Enterprise App Modernization
    20% IT Managed Services

    Focus Areas

    10% JavaScript
    55% SQL
    15% C# +3
    10% ASP.NET
    5% Java
    5% Python

    Relevance Management, a business intelligence company, offer BI & big data consulting & SI and IT managed services. They were established in 2004.

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  • SmartFinds Marketing Logotype

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    10 - 49
    Birmingham, MI

    Services provided

    10% Web Development
    20% Digital Strategy
    15% Content Marketing +6
    15% Conversion Optimization
    10% Social Media Marketing
    10% Video Marketing
    10% Web Design
    5% Market Research
    5% Video Production

    Focus Areas

    20% JavaScript
    20% HTML5
    15% Java +4
    15% PHP
    10% Python
    10% SQL
    10% XML

    SmartFinds Marketing is a Digital Strategy company in Birmingham, Michigan. They offer Digital Strategy and Content Marketing and were launched in 1987.

    Read more
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  • Orange Label s.r.o. Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Prague, Czech Republic

    Services provided

    15% Web Development
    30% UX/UI Design
    30% Web Design +2
    15% E-Commerce Development
    10% Mobile App Development

    Focus Areas

    15% JavaScript
    30% PHP
    20% Python +4
    15% HTML5
    10% SQL
    5% C
    5% jquery

    Located in Prague, Czech Republic, Orange Label s.r.o. Is a web design company. They provide Web Design and UX/UI Design and were established in 2001.

    Read more
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  • Nolwenture Logotype

    Nolwenture

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    15% Kotlin
    15% Typescript +12
    5% C#
    5% C++
    5% HTML5
    5% Java
    5% Objective C
    5% PHP
    5% Python
    5% Redux
    5% SQL
    5% Swift
    5% Visual Basic
    5% XML

    Nolwenture is an user experience design agency. They are in Joensuu, Finland. Their team focuses on UX/UI Design and IT staff augmentation.

    Read more
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  • Omkar Software Pvt Ltd Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    50 - 249
    Bengaluru, India

    Services provided

    15% Web Development
    15% E-Commerce Development
    15% Mobile App Development +5
    15% Web Design
    10% CRM Consulting and SI
    10% Logo
    10% Other Application Development
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    50% PHP
    10% AJAX +3
    10% Java
    10% Other programming & scripting languages
    10% XML

    Founded in 2007, Omkar Software Pvt Ltd is a midsize Bengaluru, India-based e-commerce development firm. Their services include E-Commerce Development and Mobile App Development.

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  • EGLogics Softech Private Limited Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    50 - 249
    Lancashire, England

    Services provided

    15% Web Development
    10% Custom Software Development
    10% E-Commerce Development +11
    10% Mobile App Development
    10% Web Design
    5% Content Marketing
    5% Digital Strategy
    5% Ecommerce Marketing
    5% Graphic Design
    5% Logo
    5% Pay Per Click
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    30% PHP
    10% C +5
    10% Java
    10% Objective C
    10% Other programming & scripting languages
    10% Python
    10% Swift

    EGLogics Softech Private Limited is a web development firm. They are located in Lancashire, England and Noida, India, and their services include Web Development and Web Design.

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  • Paloma Logotype

    Not yet reviewed

    $50,000+
    $100 - $149 / hr
    50 - 249
    Darlinghurst, Australia

    Services provided

    10% Web Development
    25% Mobile App Development
    20% Product Design +4
    15% Custom Software Development
    15% UX/UI Design
    10% Low/No Code Development
    5% Enterprise App Modernization

    Focus Areas

    15% JavaScript
    40% Ruby
    25% Python +1
    20% Typescript

    Software development firm Paloma was established in 2014. The firm focuses on Custom Software Development and Mobile App Development, and is midsize.

    Read more
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  • Tribal Worldwide Guatemala Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    50 - 249
    Ciudad de Guatemala, Guatemala

    Services provided

    15% Web Development
    15% Mobile App Development
    10% AI Agents +7
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Staff Augmentation
    10% Staffing
    10% Web Design
    5% Low/No Code Development
    5% Product Design

    Focus Areas

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

    Tribal Worldwide Guatemala, a website development firm, offer Web Development and Mobile App Development. They were established in 2009.

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  • DigiLantern Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Mobile App Development
    10% Custom Software Development +9
    10% E-Commerce Development
    9% Web Design
    7% Pay Per Click
    7% Search Engine Optimization
    7% Social Media Marketing
    5% Print Design
    5% Product Design
    5% UX/UI Design
    5% Video Production

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Ember.js +9
    10% Kotlin
    10% PHP
    10% Python
    10% Redux
    10% SQL
    5% HTML5
    5% Swift
    5% Typescript
    5% jquery

    DigiLantern, a midsize website development firm, is based in Noida, India. Their services include Web Development and Mobile App Development.

    Read more
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  • Itigai Technologies Logotype

    Itigai Technologies

    Not yet reviewed

    $10,000+
    < $25 / hr
    2 - 9

    Services provided

    20% Web Development
    20% Ecommerce Marketing
    20% Mobile App Development +3
    20% UX/UI Design
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

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

    Itigai Technologies, a small UX company, is headquartered in Indore, India. Their services include UX/UI Design and Custom Software Development.

    Read more
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  • Bitmischief Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Other Application Development
    20% Mobile App Development +4
    10% AR/VR Development
    10% Custom Software Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    18% JavaScript
    22% SQL
    12% C# +5
    12% Go
    12% Rust
    12% Typescript
    6% Objective C
    6% Swift

    Founded in 2016, Bitmischief is an Other Application Development company. The firm focuses on Other Application Development and Mobile App Development, and is small.

    Read more
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  • DevDec Logotype

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

    Services provided

    15% Web Development
    45% Mobile App Development
    15% Custom Software Development +2
    15% E-Commerce Development
    10% Web Design

    Focus Areas

    20% JavaScript
    30% Objective C
    30% PHP +1
    20% Typescript

    DevDec is a specialized software consultancy based in Mississauga, Ontario, dedicated to building high-performance web and mobile applications for the Health-Tech, Real Estate, and Hospitality

    Read more
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  • rextertech Logotype

    5.0 1 review
    Undisclosed
    < $25 / hr
    10 - 49
    Rajkot, India

    Services provided

    10% Web Development
    10% Advertising
    10% Content Marketing +7
    10% Email Marketing
    10% Graphic Design
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Video Production

    Focus Areas

    25% JavaScript
    25% HTML5
    25% Other programming & scripting languages +1
    25% PHP

    Our mission is provide best product for our client. Our customer satisfaction is our main target. We always try to improve the quality of our products by exploring innovative ideas.

    Read more
    See all 1 projects
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  • Broadway Web Services Logotype

    Broadway Web Services

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +4
    15% Custom Software Development
    10% API Development
    10% Low/No Code Development
    5% Other Application Development

    Focus Areas

    15% JavaScript
    25% PHP
    15% Redux +9
    5% AJAX
    5% Elixir
    5% Ember.js
    5% HTML5
    5% Kotlin
    5% Other programming & scripting languages
    5% Typescript
    5% backbone.js
    5% jquery

    Broadway Web Services offers digital marketing, branding, and e-commerce solutions, including warehouse, customer, staff, product, inventory, and order management systems. Overall feedback indicates that the company excels in understanding client needs, timely delivery, and offering good value for their services, although there is a suggestion for a more updated office location.

    See all 1 projects
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Ability to deliver
Focus
Clutch Leaders Matrix

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

1 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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