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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 6, 2026
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15 Leaders 15 Contenders

21,630 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

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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.

    Read All Reviews

    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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  • Spaceful Designs LLC Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Web Design
    10% AR/VR Development +14
    6% Event Marketing
    6% Media Planning & Buying
    5% Print Design
    4% UX/UI Design
    3% Advertising
    3% Branding
    3% Custom Software Development
    3% Graphic Design
    3% Logo
    3% Mobile App Development
    3% Other Design
    3% Packaging Design
    3% Product Design
    2% Direct Marketing

    Focus Areas

    21% JavaScript
    26% PHP
    8% AJAX +14
    5% Ember.js
    5% Python
    5% Redux
    5% Ruby
    5% SQL
    5% Swift
    5% Visual Basic
    4% Perl
    1% ASP
    1% ASP.NET
    1% C
    1% C#
    1% C++
    1% Java

    Spaceful Designs LLC is a web design agency. They focus on Web Design and Web Development and were founded in 2015.

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  • Developers Desk Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9
    Islamabad, Pakistan

    Services provided

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

    Focus Areas

    10% JavaScript
    20% Java
    20% PHP +5
    10% Other programming & scripting languages
    10% Python
    10% SQL
    10% Swift
    10% Typescript

    Custom software development company Developers Desk was launched in 2002. The small team offers Custom Software Development and Web Development.

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  • Fiddmark Tech S.R.L Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    60% Web Design
    20% Custom Software Development

    Focus Areas

    10% JavaScript
    30% PHP
    30% SQL +2
    25% Other programming & scripting languages
    5% Python

    Founded in 2021, Fiddmark Tech S.R.L is a web design company. Their services include Web Design and Custom Software Development.

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  • Crockwell Solutions Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Farnham, England

    Services provided

    10% Web Development
    50% Custom Software Development
    20% Cloud Consulting & SI +2
    10% Application Management & Support
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    20% Other programming & scripting languages
    20% Python +3
    20% SQL
    10% Objective C
    10% Swift

    Founded in 2020, Crockwell Solutions is a small software development company. Their services include Custom Software Development and cloud consulting & SI.

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  • Webline Africa Limited Logotype

    Webline Africa Limited

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% IT Managed Services
    20% Custom Software Development +3
    20% IT Strategy Consulting
    10% E-Commerce Development
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    20% Java
    20% PHP +4
    10% Kotlin
    10% SQL
    10% Swift
    10% XML

    Webline Africa Limited, an IT managed services company, was established in 2013. Located in Dar es Salaam, Tanzania, the team specializes in IT managed services and IT strategy consulting.

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  • Gamut Dev Logotype

    Not yet reviewed

    $1,000+
    $300+ / hr
    2 - 9
    Los Angeles, CA

    Services provided

    16% Web Development
    18% UX/UI Design
    17% Web Design +4
    15% Mobile App Development
    12% Architectural Design
    12% Custom Software Development
    10% Logo

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +3
    20% Typescript
    15% SQL
    5% Swift

    Gamut Dev is an user experience design agency launched in 2010. The firm offers UX/UI Design and Web Design.

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  • Wondersoft Solutions Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9
    Ambala Cantt, India

    Services provided

    10% Web Development
    15% E-Commerce Development
    10% Advertising +10
    10% Branding
    10% Custom Software Development
    10% Web Design
    5% Graphic Design
    5% IoT Development
    5% Logo
    5% Mobile App Development
    5% Pay Per Click
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% AJAX
    20% Other programming & scripting languages +2
    20% PHP
    20% SQL

    Wondersoft Solutions is an e-commerce development firm. They are based in Ambala Cantt, India, and their services include E-Commerce Development and Advertising.

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  • BOET Logotype

    BOET

    Not yet reviewed

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

    Services provided

    20% Web Development
    25% AI Development
    25% Blockchain +2
    20% Custom Software Development
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    20% C++
    20% Go +4
    20% Typescript
    10% Java
    10% Python
    10% SQL

    BOET is a Warszawa, Poland-based AI development company. Founded in 2021, the team focuses on Artificial Intelligence and Blockchain.

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  • Bold Dialogue Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Content Marketing
    10% Digital Strategy +12
    10% UX/UI Design
    10% Web Design
    5% Conversion Optimization
    5% E-Commerce Development
    5% Email Marketing
    5% Graphic Design
    5% Logo
    5% Mobile & App Marketing
    5% Pay Per Click
    5% Search Engine Optimization
    5% Social Media Marketing
    5% Video Production

    Focus Areas

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

    Launched in 2017, Bold Dialogue is a Digital Strategy company. The team focuses on Digital Strategy and Content Marketing and is located in Pune, India.

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  • migaloodigital Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Byron Bay, Australia

    Services provided

    10% Web Development
    15% Blockchain
    15% Graphic Design +5
    15% Mobile App Development
    15% UX/UI Design
    10% Low/No Code Development
    10% Other Digital Marketing
    10% Web Design

    Focus Areas

    20% JavaScript
    30% PHP
    25% SQL +2
    15% Ruby
    10% AJAX

    Web design company migaloodigital offers Web Design and UX/UI Design. They are based in Byron Bay, Australia.

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  • DigiDeft Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    12% Marketing Strategy
    10% Content Marketing +14
    10% Digital Strategy
    10% Pay Per Click
    5% Branding
    5% E-Commerce Development
    5% Email Marketing
    5% Graphic Design
    5% Logo
    5% Mobile & App Marketing
    5% Search Engine Optimization
    5% Social Media Marketing
    5% Web Design
    1% Market Research
    1% Product Marketing
    1% Video Production

    Focus Areas

    20% JavaScript
    30% PHP
    20% SQL +3
    10% AJAX
    10% ASP.NET
    10% XML

    DigiDeft is a Marketing Strategy company. Founded in 2020, the team focuses on Marketing Strategy and Digital Strategy.

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  • SparroWave Global Business Solutions Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% E-Commerce Development
    30% Mobile App Development +3
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    20% JavaScript
    40% PHP
    20% SQL +2
    10% AJAX
    10% XML

    Application development company SparroWave Global Business Solutions was established in 2017. The small team offers Mobile App Development and E-Commerce Development.

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  • Standard Data Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% E-Commerce Development +9
    10% Pay Per Click
    10% UX/UI Design
    10% Web Design
    7% Content Marketing
    7% Ecommerce Marketing
    7% Email Marketing
    7% Social Media Marketing
    6% Logo
    6% Search Engine Optimization

    Focus Areas

    20% JavaScript
    20% HTML5
    20% PHP +2
    20% SQL
    20% Visual Basic

    Standard Data is a branding agency. They offer Branding and Pay Per Click and were established in 2021.

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  • Delyserv Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% E-Commerce Development
    15% Mobile App Development +8
    10% Logo
    10% Low/No Code Development
    10% UX/UI Design
    10% Web Design
    5% Branding
    5% Content Writing Services
    5% Corporate Photography
    5% Graphic Design

    Focus Areas

    20% JavaScript
    20% PHP
    15% Java +5
    15% Python
    10% Kotlin
    10% Ruby
    5% ASP.NET
    5% Ember.js

    Delyserv, an application development company, was established in 2020. The team specializes in Mobile App Development and E-Commerce Development.

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  • InGauge LLC Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    New York, NY

    Services provided

    20% Web Development
    30% Web Design
    10% AR/VR Development +8
    10% Search Engine Optimization
    10% UX/UI Design
    9% Digital Strategy
    4% AI Development
    2% Audio Production
    2% Mobile App Development
    2% Video Production
    1% Business Consulting

    Focus Areas

    10% JavaScript
    20% HTML5
    20% SQL +6
    19% Other programming & scripting languages
    12% AJAX
    10% Python
    5% XML
    3% PHP
    1% Objective C

    Small web design agency InGauge LLC, is headquartered in New York, New York. The team offers Web Design and Web Development.

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  • Okuhle Digital Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9
    Johannesburg, South Africa

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% Graphic Design +4
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    10% JavaScript
    50% PHP
    20% SQL +2
    10% C#
    10% Python

    Okuhle Digital, a web design agency, is in Johannesburg, South Africa. The team provides Web Design and Graphic Design.

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  • STAR WEB LLC Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +7
    10% E-Commerce Development
    10% Logo
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Video Marketing
    10% Web Design

    Focus Areas

    20% JavaScript
    20% AJAX
    20% HTML5 +2
    20% Other programming & scripting languages
    20% PHP

    Branding company STAR WEB LLC is headquartered in Denton, Texas. The team provides Branding and Social Media Marketing.

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  • Devinti Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    13% Low/No Code Development
    10% E-Commerce Development +17
    10% Mobile App Development
    10% Pay Per Click
    10% Social Media Marketing
    5% Graphic Design
    5% IT Staff Augmentation
    5% Logo
    5% UX/UI Design
    2% Cloud Consulting & SI
    2% Digital Strategy
    2% Ecommerce Marketing
    2% Email Marketing
    2% IT Managed Services
    2% Other Digital Marketing
    2% Packaging Design
    1% Custom Software Development
    1% Other Application Development
    1% Web Design

    Focus Areas

    20% JavaScript
    20% PHP
    10% HTML5 +7
    10% Python
    10% SQL
    10% Typescript
    5% AJAX
    5% Go
    5% Kotlin
    5% Ruby

    Located in Brampton, Canada and London, England, Devinti is a small social media marketing company. The team specializes in Social Media Marketing and Pay Per Click.

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  • Get Up Solutions Sdn Bhd Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    2 - 9
    Cyberjaya, Malaysia

    Services provided

    15% Web Development
    30% Web Design
    15% Custom Software Development +4
    15% UX/UI Design
    10% E-Commerce Development
    10% Low/No Code Development
    5% IT Strategy Consulting

    Focus Areas

    15% JavaScript
    35% HTML5
    25% PHP +2
    15% Redux
    10% Python

    Get Up Solutions Sdn Bhd is a small Cyberjaya, Malaysia-based web design company. The team focuses on Web Design and UX/UI Design.

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  • TymesTech Logotype

    TymesTech

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    20% Web Development
    30% Web Design
    10% Graphic Design +5
    10% Low/No Code Development
    10% Social Media Marketing
    10% UX/UI Design
    5% Content Writing Services
    5% Conversion Optimization

    Focus Areas

    10% JavaScript
    30% HTML5
    30% PHP +2
    20% SQL
    10% AJAX

    TymesTech is a web design agency. They were established in 2023, and their services include Web Design and Web Development.

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  • i6 technology Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    2 - 9
    Calabasas, CA

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Enterprise App Modernization +5
    10% Application Management & Support
    10% IT Strategy Consulting
    10% UX/UI Design
    5% AI Consulting
    5% Mobile App Development

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% C# +5
    15% SQL
    10% AJAX
    10% HTML5
    10% jquery
    5% Ruby

    Launched in 2015, i6 technology is a software development firm. The company focuses on Custom Software Development and Web Development.

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  • Parallel Digital Logotype

    Parallel Digital

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +7
    10% E-Commerce Development
    10% Graphic Design
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

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

    Parallel Digital is a branding agency. Established in 2023, the agency is headquartered in Manchester, England. Their services include Branding and Social Media Marketing.

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  • ITSG Logotype

    ITSG

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    2 - 9

    Services provided

    10% Web Development
    10% Branding
    10% Custom Software Development +17
    10% Graphic Design
    10% Video Production
    10% Web Design
    5% Corporate Photography
    5% E-Commerce Development
    5% Mobile App Development
    4% Logo
    3% Digital Strategy
    3% Social Media Marketing
    2% Advertising
    2% Direct Marketing
    2% Pay Per Click
    2% Print Design
    2% Product Design
    2% Search Engine Optimization
    2% UX/UI Design
    1% Other Digital Marketing

    Focus Areas

    26% JavaScript
    42% PHP
    11% SQL +4
    6% AJAX
    5% HTML5
    5% Other programming & scripting languages
    5% jquery

    Small branding agency ITSG, is in Busnago, Italy. The team provides Branding and Web Design.

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  • Sigma Xperts Logotype

    Sigma Xperts

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Content Marketing
    10% Content Writing Services +7
    10% Digital Strategy
    10% E-Commerce Development
    10% Ecommerce Marketing
    10% Graphic Design
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    50% PHP
    30% SQL

    Sigma Xperts, a Digital Strategy company, was launched in 2018. The team provides Digital Strategy and Social Media Marketing and is located in Madharian Wala Kalar, Pakistan.

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  • Codeify Logotype

    Codeify

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    10% Advertising +5
    10% Content Marketing
    10% Custom Software Development
    10% Digital Strategy
    10% Low/No Code Development
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    80% PHP
    10% HTML5

    Custom software development company Codeify is based in Zembrzyce, Poland. Established in 2021, the team specializes in Custom Software Development and Web Development.

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  • DavionInfotech Logotype

    DavionInfotech

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% IT Staff Augmentation
    20% IT Managed Services +1
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    15% Redux
    10% AJAX +8
    10% Java
    10% Kotlin
    10% PHP
    10% Python
    10% Visual Basic
    5% ASP.NET
    5% Ember.js
    5% Other programming & scripting languages

    DavionInfotech is an IT staff augmentation company located in Sheridan, Wyoming. They specialize in IT staff augmentation and IT managed services and were founded in 2018.

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  • Vasant Software Solution Logotype

    Vasant Software Solution

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9

    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
    20% ASP.NET
    20% C# +6
    15% Typescript
    10% AJAX
    10% SQL
    5% HTML5
    5% Kotlin
    5% jquery

    Vasant Software Solution is a web design company. Founded in 2018, the company offers Web Design and UX/UI Design.

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  • Ayup Creative Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9
    Sheffield, England

    Services provided

    20% Web Development
    20% Digital Strategy
    20% Graphic Design +2
    20% Search Engine Optimization
    20% Web Design

    Focus Areas

    10% JavaScript
    65% PHP
    15% HTML5 +1
    10% SQL

    Ayup Creative is a Digital Strategy company. Founded in 2023, the team focuses on Digital Strategy and Search Engine Optimization.

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  • Black Nova Logotype

    Black Nova

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Branding
    10% Business Consulting +7
    10% E-Commerce Development
    10% Logo
    10% Low/No Code Development
    10% Packaging Design
    10% Sales Outsourcing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    25% PHP
    25% Python +4
    15% HTML5
    5% Ruby
    5% SQL
    5% XML

    Black Nova is a website development company. They are in Navi Mumbai, India and have small team of experts. Their services include Web Development and Branding.

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  • Taatgen Development LLC Logotype

    Taatgen Development LLC

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9

    Services provided

    10% Web Development
    10% AI Consulting
    10% AI Development +7
    10% Conversion Optimization
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% Redux
    15% HTML5 +5
    15% Typescript
    10% PHP
    10% Python
    5% Ember.js
    5% Kotlin

    Taatgen Development LLC is a Conversion Optimization company. Their team is located in Irving, Texas and specializes in Conversion Optimization and Search Engine Optimization.

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  • Pulla Digital Logotype

    Pulla Digital

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    20% Web Design
    10% AR/VR Development
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    30% PHP
    25% Typescript +3
    20% SQL
    10% jquery
    5% AJAX

    Web design agency Pulla Digital was founded in 2015. The team provides Web Design and Custom Software Development.

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  • move2edge Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% API Development
    20% Custom Software Development +2
    20% IoT Development
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    15% Python
    10% C# +9
    10% Go
    10% Java
    10% SQL
    10% Typescript
    5% C
    5% C++
    5% Kotlin
    5% Objective C
    5% Swift

    Move2edge is a software development company. In Gdańsk, Poland, the team offers Custom Software Development and Web Development.

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  • Kaweah Tech Logotype

    Not yet reviewed

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

    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
    55% Typescript
    20% Rust +3
    5% Java
    5% Kotlin
    5% Scala

    Headquartered in Tulare, California, Kaweah Tech is a web design company. They specialize in Web Design and UX/UI Design.

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  • Aegisbit Technologies Logotype

    Aegisbit Technologies

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    20% Web Development
    20% API Development
    20% Custom Software Development +2
    20% DevOps Managed Services
    20% E-Commerce Development

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% C# +6
    10% AJAX
    10% SQL
    10% Visual Basic
    10% jquery
    5% HTML5
    5% PHP

    Aegisbit Technologies is a custom software development company based in Mohali, India. The team focuses on Custom Software Development and Web Development.

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  • Blizztech Solutions Logotype

    Blizztech Solutions

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Custom Software Development
    15% Logo +4
    15% Social Media Marketing
    15% UX/UI Design
    15% Web Design
    10% Search Engine Optimization

    Focus Areas

    15% JavaScript
    15% ASP.NET
    15% C# +5
    15% Kotlin
    15% PHP
    10% Python
    10% jquery
    5% SQL

    Established in 2019, Blizztech Solutions is a social media marketing company. The team specializes in Social Media Marketing and Web Design.

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  • INFASO Logotype

    INFASO

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Digital Strategy
    20% Social Media Marketing +4
    15% Graphic Design
    15% Pay Per Click
    15% Search Engine Optimization
    5% Branding

    Focus Areas

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

    INFASO is a small Digital Strategy company. Founded in 2019, the team provides Digital Strategy and Social Media Marketing.

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  • Canny Vision Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    2 - 9
    Toronto, Canada

    Services provided

    20% Web Development
    60% AI Development
    20% Custom Software Development

    Focus Areas

    10% JavaScript
    20% C++
    10% HTML5 +6
    10% Java
    10% Other programming & scripting languages
    10% Python
    10% SQL
    10% Typescript
    10% XML

    Founded in 2024, Canny Vision is an AI development company. The team offers Artificial Intelligence and Custom Software Development and is located in Toronto, Canada and Tunis, Tunisia.

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  • Punggawa Studio Logotype

    Punggawa Studio

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    10% Web Development
    10% AI Development
    10% Content Marketing +7
    10% Custom Software Development
    10% E-Commerce Development
    10% Microservices Architecture Services
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Other programming & scripting languages +2
    20% PHP
    20% SQL

    Punggawa Studio, a Content Marketing company, focuses on Content Marketing and Search Engine Optimization. The agency is in Surabaya, Indonesia.

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  • SoftSyncDev Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    10% HTML5
    10% PHP +7
    10% Python
    10% Redux
    10% SQL
    10% Typescript
    10% Visual Basic
    10% XML
    10% jquery

    SoftSyncDev is an UX design agency. The Karachi, Pakistan-based team focuses on UX/UI Design and Custom Software Development.

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  • MODDER CODER IT SOLUTIONS PRIVATE LIMITED Logotype

    MODDER CODER IT SOLUTIONS PRIVATE LIMITED

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    20% UX/UI Design
    10% AI Development
    10% Application Testing

    Focus Areas

    10% JavaScript
    15% Other programming & scripting languages
    15% SQL +9
    15% Visual Basic
    10% Typescript
    5% AJAX
    5% Ember.js
    5% HTML5
    5% Kotlin
    5% Redux
    5% Swift
    5% jquery

    MODDER CODER IT SOLUTIONS PRIVATE LIMITED is a small user experience design agency. They provide UX/UI Design and Custom Software Development and were founded in 2022.

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  • Dezyn 360, Inc. Logotype

    Not yet reviewed

    $50,000+
    $100 - $149 / hr
    2 - 9
    West Palm Beach, FL

    Services provided

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

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% HTML5
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% XML
    10% jquery

    Dezyn 360, Inc. Is a branding agency. Established in 2018, the company is headquartered in West Palm Beach, Florida. Their team provides Branding and Social Media Marketing.

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  • Can2 Multimedia Logotype

    Can2 Multimedia

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    2 - 9

    Services provided

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

    Focus Areas

    10% JavaScript
    50% HTML5
    25% PHP +2
    10% XML
    5% SQL

    Can2 Multimedia is a social media marketing company located in Pharr, Texas. They provide Social Media Marketing and Search Engine Optimization.

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  • Navees Infotech Logotype

    Navees Infotech

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9

    Services provided

    20% Web Development
    20% Content Marketing
    20% E-Commerce Development +2
    20% Pay Per Click
    20% Social Media Marketing

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% Java
    10% Kotlin
    10% Objective C
    10% Redux
    10% Swift
    10% Typescript
    10% jquery

    Navees Infotech is a social media marketing firm. Founded in 2015, the company is headquartered in New York, New York. Their team focuses on Social Media Marketing and Content Marketing.

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  • ReadNRevise Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AI Development
    20% Cloud Consulting & SI +2
    20% Cybersecurity
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    25% Java
    15% Typescript +5
    10% Other programming & scripting languages
    10% Python
    10% Ruby
    10% SQL
    10% Swift

    Established in 2023, ReadNRevise, a small cloud consulting & SI company, is located in Ghaziabad, India. Their team provides cloud consulting & SI and Cybersecurity.

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  • Tackle-D Private Limited Logotype

    Tackle-D Private Limited

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% Mobile App Development +2
    20% Search Engine Optimization
    20% UX/UI Design

    Focus Areas

    10% JavaScript
    20% Objective C
    20% Python +4
    20% Swift
    10% C#
    10% Java
    10% PHP

    Tackle-D Private Limited is a Kushalnagar, India-based SEO company. They specialize in Search Engine Optimization and UX/UI Design and were launched in 2020.

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  • MainStreet Design Logotype

    MainStreet Design

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9

    Services provided

    20% Web Development
    20% API Development
    20% Branding +2
    20% Search Engine Optimization
    20% Social Media Marketing

    Focus Areas

    10% JavaScript
    50% Other programming & scripting languages
    10% PHP +3
    10% SQL
    10% XML
    10% jquery

    Branding firm MainStreet Design was established in 2011. The small team focuses on Branding and Social Media Marketing.

    Read more
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  • DIGITAL WEBXPERT Logotype

    DIGITAL WEBXPERT

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Mobile App Development +2
    20% Social Media Marketing
    20% Web Design

    Focus Areas

    10% JavaScript
    40% PHP
    10% Java +6
    10% Python
    10% SQL
    5% AJAX
    5% C#
    5% C++
    5% Typescript

    DIGITAL WEBXPERT is a social media marketing company founded in 2016. Located in Madhupur, India, the team offers Social Media Marketing and Web Design.

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  • techinhawk Logotype

    techinhawk

    Not yet reviewed

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

    Services provided

    10% Web Development
    80% Mobile App Development
    10% AI Development

    Focus Areas

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

    Techinhawk is an app development company. Their small team is based in Dehradun, India and offers Mobile App Development and Web Development. The agency was established in 2024.

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  • Gor Technologies Logotype

    Gor Technologies

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

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

    Focus Areas

    10% JavaScript
    20% ASP.NET
    20% Typescript +4
    15% C#
    15% Swift
    10% Kotlin
    10% SQL

    Custom software development company Gor Technologies is in Ahmedabad, India. The team provides Custom Software Development and Web Development.

    Read more
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  • Diloxy Logotype

    Diloxy

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Custom Software Development
    20% AI Development +3
    10% DevOps Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    15% Java
    15% Python +7
    10% Go
    10% Redux
    10% SQL
    10% Scala
    10% Typescript
    5% Kotlin
    5% Other programming & scripting languages

    Custom software development company Diloxy is located in București, Romania. They specialize in Custom Software Development and Web Development.

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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 HTMLPanda

List of the Top 15 JavaScript Development Companies

  1. Brainhub Logotype

    Brainhub

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

    Ability to deliver

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

    Service focus

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

    ImageX

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

    Ability to deliver

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

    Service focus

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

    xfive

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

    Ability to deliver

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

    Service focus

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

    The Software House

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

    Ability to deliver

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

    Service focus

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

    ATEAM SOFT SOLUTIONS

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

    Ability to deliver

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

    Service focus

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

    Airdev

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

    Ability to deliver

    39.1/40.0
    19.8/20 Reviews
    9.6/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    Xmartlabs

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

    Ability to deliver

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

    Service focus

    50% Web Development
    35% JavaScript
    50% Other
    View Profile Visit Website
  8. Softonix Logotype

    Softonix

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

    Ability to deliver

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

    Service focus

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

    Toptal

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

    Ability to deliver

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

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  10. Lizard Global Logotype

    Lizard Global

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

    Ability to deliver

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

    Service focus

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

    INOXOFT

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

    Ability to deliver

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

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  12. PopArt Studio Logotype

    PopArt Studio

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

    Ability to deliver

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

    Service focus

    35% Web Development
    40% JavaScript
    65% Other
    View Profile Visit Website
  13. GeekyAnts Logotype

    GeekyAnts

    $10,000+
    $25 - $49 / hr
    250 - 999
    San Francisco, CA

    Ability to deliver

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

    Service focus

    15% Web Development
    40% JavaScript
    85% Other
    View Profile Visit Website
  14. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

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

    Service focus

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

    HTMLPanda

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

    Ability to deliver

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

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  16. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

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

    Service focus

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

    Incora

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

    Ability to deliver

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

    Service focus

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

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

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

    Service focus

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

    Brainium Information Technologies

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

    Ability to deliver

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

    Service focus

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

    WPWeb Infotech

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

    Ability to deliver

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

    Service focus

    65% Web Development
    20% JavaScript
    35% Other
    View Profile Visit Website
  22. Human Made Logotype

    Human Made

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

    Ability to deliver

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

    Service focus

    100% Web Development
    30% JavaScript
    View Profile Visit Website
  23. Arcanys Logotype

    Arcanys

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

    Ability to deliver

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

    Service focus

    30% Web Development
    20% JavaScript
    70% Other
    View Profile Visit Website
  24. Experion Technologies Logotype

    Experion Technologies

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

    Ability to deliver

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

    Service focus

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

    Cleveroad

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

    Ability to deliver

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

    Service focus

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

    Blazity

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

    Ability to deliver

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

    Service focus

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

    XWP

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

    Ability to deliver

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

    Service focus

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

    Probey Services

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

    Ability to deliver

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

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
    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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