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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: September 20, 2026
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22,371 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • AAEIMAA Digital Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Houston, TX

    Services provided

    30% Web Development
    35% Web Design
    15% Social Media Marketing +2
    10% Content Marketing
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    45% Python
    20% SQL +2
    15% PHP
    10% Visual Basic

    AAEIMAA Digital is a web design company. They are based in Houston, Texas and have small team. They focus on Web Design and Web Development.

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  • FreelanceDirect Logotype

    FreelanceDirect

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Social Media Marketing
    30% Web Design +3
    10% Content Writing Services
    10% Low/No Code Development
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    50% PHP
    20% jquery +1
    15% SQL

    FreelanceDirect, a web design agency, is in Johannesburg, South Africa. Launched in 2018, the team provides Web Design and Social Media Marketing.

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  • AlesWeb Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    Freelancer
    San Polo dei Cavalieri, Italy

    Services provided

    10% Web Development
    25% E-Commerce Development
    15% Search Engine Optimization +8
    10% AR/VR Development
    10% Web Design
    5% Custom Software Development
    5% Ecommerce Marketing
    5% Email Marketing
    5% Marketing Strategy
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    17% JavaScript
    28% PHP
    17% HTML5 +4
    11% SQL
    11% Typescript
    10% AJAX
    6% C#

    AlesWeb is an e-commerce development firm. The San Polo dei Cavalieri, Italy-based firm provides E-Commerce Development and Search Engine Optimization.

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  • INPHOENIX Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    2 - 9
    Thane, India

    Services provided

    15% Web Development
    25% Marketing Strategy
    15% Advertising +5
    15% Social Media Marketing
    10% Graphic Design
    10% UX/UI Design
    5% API Development
    5% E-Commerce Development

    Focus Areas

    11% JavaScript
    17% C++
    15% SQL +7
    11% Ember.js
    11% HTML5
    11% Redux
    6% Java
    6% Other programming & scripting languages
    6% XML
    6% backbone.js

    INPHOENIX is a Marketing Strategy company headquartered in Thane, India. They focus on Marketing Strategy and Advertising.

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  • Nova Mobile Solutions Logotype

    Nova Mobile Solutions

    Not yet reviewed

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

    Services provided

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

    Focus Areas

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

    Nova Mobile Solutions, a web design company, is based in Springfield, Virginia and Springfield, Virginia. They specialize in Web Design and UX/UI Design.

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  • Digital Souls Studios Logotype

    Digital Souls Studios

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AI Development
    20% Custom Software Development +2
    20% Search Engine Optimization
    20% UX/UI Design

    Focus Areas

    20% JavaScript
    20% C#
    20% Typescript +3
    15% HTML5
    15% Python
    10% SQL

    Digital Souls Studios is a SEO services firm launched in 2024. The small team focuses on Search Engine Optimization and UX/UI Design.

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  • ABC XYZ Logotype

    ABC XYZ

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% E-Commerce Development
    25% Mobile App Development +2
    15% Web Design
    10% AR/VR Development

    Focus Areas

    12% JavaScript
    23% Java
    11% Kotlin +5
    11% PHP
    11% Python
    11% Swift
    11% Typescript
    10% SQL

    Founded in 2005, ABC XYZ, a small e-commerce development firm, is located in abc xyz, Andorra. Their services include E-Commerce Development and Mobile App Development.

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  • Rise Agency Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Stranraer, Scotland

    Services provided

    10% Web Development
    30% Branding
    25% Social Media Marketing +2
    25% Web Design
    10% Mobile App Development

    Focus Areas

    40% JavaScript
    20% HTML5
    20% SQL +1
    20% Visual Basic

    Established in 2025, Rise Agency is a branding agency. The agency offers Branding and Social Media Marketing.

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  • WHIZZACT PRIVATE LIMITED Logotype

    4.5 1 review
    $1,000+
    $25 - $49 / hr
    50 - 249
    Mumbai, India

    Services provided

    15% Web Development
    25% IT Staff Augmentation
    20% Mobile App Development +7
    9% Custom Software Development
    6% Microservices Architecture Services
    5% Cloud Consulting & SI
    5% DevOps Managed Services
    5% E-Commerce Development
    5% Enterprise App Modernization
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    20% PHP
    15% Java +4
    15% SQL
    15% Swift
    10% AJAX
    10% HTML5

    WHIZZACT PRIVATE LIMITED specializes in web application development, with a focus on customer relationship management (CRM) solutions. The reviews highlight their effective teamwork, strong technical knowledge, and exemplary customer requirement understanding. Clients appreciate their timely delivery and professional behavior, with no noted areas for improvement, indicating a high level of satisfaction.

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    $1,000 Startups, Small Businesses $3,000 Medium Businesses $7,500 Enterprises

    Website & Web Portal Development

    Build secure, scalable, and high-performance web applications tailored to your business needs. From corporate websites and customer portals to enterprise applications and SaaS platforms, we deliver end-to-end web development solutions that drive growth and operational efficiency.
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  • Moltech Solutions Inc. Logotype

    Moltech Solutions Inc.

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Custom Software Development
    10% AI Agents +12
    10% UX/UI Design
    5% AI Consulting
    5% API Development
    5% E-Commerce Development
    5% Generative AI
    5% IT Staff Augmentation
    5% IT Strategy Consulting
    5% Low/No Code Development
    5% Mobile App Development
    5% Search Engine Optimization
    5% Social Media Marketing
    5% Web Design

    Focus Areas

    20% JavaScript
    30% Python
    30% SQL +2
    10% HTML5
    10% jquery

    Founded in 2014, Moltech Solutions Inc., a midsize custom software development firm, is in Plano, Texas. Their services include Custom Software Development and AI Agents.

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  • Yia Info Solutions Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Digital Strategy +9
    10% E-Commerce Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design
    5% CRM Consulting and SI
    5% ERP Consulting and SI
    5% Email Marketing
    5% Mobile & App Marketing

    Focus Areas

    11% JavaScript
    11% AJAX
    11% ASP +7
    11% Java
    11% Kotlin
    11% Other programming & scripting languages
    11% PHP
    11% SQL
    11% Swift
    1% Objective C

    Yia Info Solutions is a custom software development firm located in Mumbai, India. They offer Custom Software Development and Digital Strategy.

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  • MPMG Solutions Pvt Ltd Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Custom Software Development
    10% E-Commerce Development +15
    10% Mobile App Development
    5% Advertising
    5% Branding
    5% IT Managed Services
    5% Logo
    5% Mobile & App Marketing
    5% Product Design
    5% Social Media Marketing
    5% UX/UI Design
    5% Wearable App Development
    5% Web Design
    4% Pay Per Click
    2% Graphic Design
    2% Other Digital Marketing
    2% Out of Home Design

    Focus Areas

    11% JavaScript
    22% Kotlin
    22% Objective C +4
    22% Swift
    11% Java
    6% ASP.NET
    6% C

    Headquartered in Chennai, India, MPMG Solutions Pvt Ltd is a software development company. They specialize in Custom Software Development and E-Commerce Development and were founded in 2020.

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  • Spike Web Services Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% E-Commerce Development
    6% Mobile App Development +66
    5% Branding
    5% Wearable App Development
    1% AI Development
    1% AR/VR Development
    1% Advertising
    1% Affiliate Marketing
    1% Application Management & Support
    1% Application Testing
    1% Architectural Design
    1% Audio Production
    1% BI & Big Data Consulting & SI
    1% Back Office Outsourcing
    1% Blockchain
    1% Broadcast Video
    1% Business Consulting
    1% CRM Consulting and SI
    1% Call Center Services
    1% Cloud Consulting & SI
    1% Content Marketing
    1% Conversion Optimization
    1% Corporate Photography
    1% Corporate Training & Coaching
    1% Custom Software Development
    1% Customer Service Outsourcing
    1% Cybersecurity
    1% Digital Strategy
    1% Direct Marketing
    1% Document Digitization & Management
    1% ECM Consulting and SI
    1% ERP Consulting and SI
    1% Email Marketing
    1% Enterprise App Modernization
    1% Event Marketing
    1% Finance & Accounting Outsourcing (FAO)
    1% Graphic Design
    1% HR Consulting
    1% IT Managed Services
    1% IT Staff Augmentation
    1% IT Strategy Consulting
    1% IoT Development
    1% Lighting Design
    1% Logo
    1% Low/No Code Development
    1% Market Research
    1% Marketing Strategy
    1% Media Planning & Buying
    1% Mobile & App Marketing
    1% Other Application Development
    1% Other Design
    1% Other Digital Marketing
    1% Other IT Consulting and SI
    1% Other Marketing
    1% Packaging Design
    1% Pay Per Click
    1% Print Design
    1% Product Design
    1% Public Relations
    1% Sales Outsourcing
    1% Search Engine Optimization
    1% Social Media Marketing
    1% Transcription
    1% Translation
    1% UX/UI Design
    1% Unified Communications Consulting & SI
    1% Video Production
    1% Web Design

    Focus Areas

    11% JavaScript
    22% PHP
    11% Perl +6
    11% Python
    11% SQL
    11% Swift
    11% XML
    6% C++
    6% Ruby

    Web development firm Spike Web Services is located in Eket, Nigeria. They specialize in Web Development and E-Commerce Development and were founded in 2020.

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  • Azar Consulting Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% API Development
    20% IT Strategy Consulting +3
    20% IoT Development
    20% Mobile App Development
    10% AR/VR Development

    Focus Areas

    11% JavaScript
    21% C#
    11% AJAX +7
    11% PHP
    11% SQL
    10% ASP.NET
    10% Visual Basic
    5% ASP
    5% C
    5% C++

    Azar Consulting is a small Chiswick, Australia-based IT strategy consulting company. The team provides IT strategy consulting and Mobile App Development.

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  • The Sattva Tech Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    35% AI Development
    35% Blockchain +1
    15% Mobile App Development

    Focus Areas

    25% JavaScript
    40% Typescript
    35% Python

    Established in 2019, The Sattva Tech is an AI firm. The team offers Artificial Intelligence and Blockchain and is headquartered in Surat, India.

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  • Aegis Web Design LLC Logotype

    Aegis Web Design LLC

    Not yet reviewed

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

    Services provided

    60% Web Development
    40% Web Design

    Focus Areas

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

    Aegis Web Design LLC is a web development company based in wilmington, Ohio. Their services include Web Development and Web Design.

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  • Rovium Logotype

    Rovium

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Digital Strategy +7
    10% E-Commerce Development
    10% Graphic Design
    10% Logo
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

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

    Small software development company Rovium, is based in India. Their services include Custom Software Development and UX/UI Design.

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  • Trimwebsolutions Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    New Delhi, India

    Services provided

    20% Web Development
    20% E-Commerce Development
    15% Web Design +6
    10% Custom Software Development
    10% Graphic Design
    10% Logo
    5% Branding
    5% Broadcast Video
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    45% PHP
    10% AJAX +5
    10% ASP.NET
    10% C
    5% C#
    5% C++
    5% SQL

    Trimwebsolutions is a New Delhi, India-based e-commerce development company. They focus on E-Commerce Development and Web Development and were established in 2014.

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  • Kennedy Digital Ltd Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    Freelancer
    Worthing, England

    Services provided

    10% Web Development
    10% Branding
    10% Graphic Design +10
    10% Logo
    10% Mobile App Development
    10% Video Production
    10% Web Design
    5% Advertising
    5% Digital Strategy
    5% Marketing Strategy
    5% Print Design
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    20% HTML5
    15% PHP +4
    15% XML
    15% jquery
    10% Visual Basic
    5% SQL

    Based in Worthing, England, Kennedy Digital Ltd is a small branding company. Their services include Branding and Web Design.

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  • Any Screen Size B.V. Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    's-Hertogenbosch, Netherlands

    Services provided

    30% Web Development
    30% Web Design
    20% Search Engine Optimization +1
    20% UX/UI Design

    Focus Areas

    25% JavaScript
    55% HTML5
    10% PHP +1
    10% jquery

    Web design agency Any Screen Size B.V. Was established in 2011. The small team focuses on Web Design and Web Development.

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  • Computing Future Tech Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% E-Commerce Development
    20% Custom Software Development +2
    15% AI Development
    15% Mobile App Development

    Focus Areas

    15% JavaScript
    15% HTML5
    15% Java +4
    15% Kotlin
    15% PHP
    15% Python
    10% jquery

    Computing Future Tech is an e-commerce development firm. The small Lahore, Pakistan-based team provides E-Commerce Development and Custom Software Development. The agency was established in 2023.

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  • Atypical Software Pvt Ltd Logotype

    Atypical Software Pvt Ltd

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    15% JavaScript
    50% PHP
    25% AJAX +2
    5% HTML5
    5% jquery

    Atypical Software Pvt Ltd, a small web design agency, is in Dhanbad, India. Their services include Web Design and Custom Software Development.

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  • TechnoGenix Solutions Logotype

    TechnoGenix Solutions

    Not yet reviewed

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

    Services provided

    15% Web Development
    35% Custom Software Development
    10% AI Development +6
    10% E-Commerce Development
    10% Mobile App Development
    5% AR/VR Development
    5% Business Consulting
    5% Marketing Strategy
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    20% Typescript
    10% HTML5 +7
    10% Kotlin
    10% Python
    10% Redux
    10% SQL
    5% Objective C
    5% Swift
    5% XML

    Software development firm TechnoGenix Solutions is headquartered in Dhaka, Bangladesh. They provide Custom Software Development and Web Development and were established in 2024.

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  • WiseTech Systems LLC Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Dubai, United Arab Emirates

    Services provided

    20% Web Development
    20% Graphic Design
    20% IT Managed Services +3
    20% IT Strategy Consulting
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    15% PHP
    15% Python +7
    10% ASP.NET
    10% Apex
    10% C++
    10% Java
    10% SQL
    5% AJAX
    5% Visual Basic

    WiseTech Systems LLC is a small graphic design company located in Dubai, United Arab Emirates. Their services include Graphic Design and IT strategy consulting.

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  • Backspacce technologies Logotype

    Backspacce technologies

    Not yet reviewed

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

    Services provided

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

    Focus Areas

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

    Backspacce technologies is a Mohali, India-based software development firm. They specialize in Custom Software Development and Web Development.

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  • TerraDynamic Ltd. Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    40% Custom Software Development
    15% API Development +3
    10% DevOps Managed Services
    5% Cloud Consulting & SI
    5% IT Managed Services

    Focus Areas

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

    TerraDynamic Ltd. Is a software development firm. They are headquartered in Sofia, Bulgaria and have small team. They specialize in Custom Software Development and Web Development.

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  • Gaira Consulting Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Custom Software Development
    15% AR/VR Development +4
    15% E-Commerce Development
    15% Mobile App Development
    5% UX/UI Design
    5% Web Design

    Focus Areas

    27% JavaScript
    33% HTML5
    13% SQL +3
    13% XML
    7% Python
    7% Typescript

    Launched in 2014, Gaira Consulting, a small software development firm, is in Bogotá, Colombia. Their team focuses on Custom Software Development and Web Development.

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  • Cloud Solutions Global Logotype

    Cloud Solutions Global

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    50 - 249

    Services provided

    10% Web Development
    20% Custom Software Development
    15% Search Engine Optimization +5
    15% UX/UI Design
    10% BI & Big Data Consulting & SI
    10% Low/No Code Development
    10% Mobile App Development
    10% Web Design

    Focus Areas

    20% JavaScript
    10% AJAX
    10% HTML5 +6
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% SQL
    10% XML
    10% jquery

    Headquartered in Dubai, United Arab Emirates, Cloud Solutions Global is a software development firm. They focus on Custom Software Development and Search Engine Optimization and were founded in

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  • Micael Roche Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% Pay Per Click
    20% Conversion Optimization +4
    15% Marketing Strategy
    10% Graphic Design
    10% Web Design
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    15% C#
    15% HTML5 +6
    15% PHP
    15% SQL
    10% Python
    5% Kotlin
    5% Typescript
    5% XML

    Established in 2022, Micael Roche is a small Westmead, Australia-based PPC company. Their services include Pay Per Click and Conversion Optimization.

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  • Clicout digital Logotype

    Clicout digital

    Not yet reviewed

    $75,000+
    $25 - $49 / hr
    Freelancer

    Services provided

    50% Web Development
    50% Search Engine Optimization

    Focus Areas

    20% JavaScript
    15% PHP
    10% Go +9
    10% HTML5
    10% jquery
    5% AJAX
    5% C#
    5% C++
    5% Python
    5% Redux
    5% SQL
    5% XML

    Clicout digital is a SEO company and website development company based in Tipaza, Algeria. They provide Search Engine Optimization and Web Development and were established in 2024.

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  • BuildwithParadox - Prashant Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    Freelancer
    New Delhi, India

    Services provided

    20% Web Development
    20% BI & Big Data Consulting & SI
    20% Cybersecurity +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    50% JavaScript
    50% Java

    BuildwithParadox - Prashant is an UX agency launched in 2025. Headquartered in New Delhi, India, the team specializes in UX/UI Design and BI & big data consulting & SI.

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  • Merrill Digital Systems LLC Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer
    West Jordan, UT

    Services provided

    50% Web Development
    30% Custom Software Development
    10% Application Management & Support +1
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    30% Typescript
    20% HTML5 +2
    15% Python
    15% SQL

    Merrill Digital Systems LLC is a small web development company launched in 2026. Their team offers Web Development and Custom Software Development.

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  • KEVINDJ Creatives Logotype

    KEVINDJ Creatives

    4.5 1 review
    $1,000+
    < $25 / hr
    2 - 9

    Services provided

    10% Web Development
    30% Graphic Design
    30% Web Design +4
    10% E-Commerce Development
    10% Low/No Code Development
    5% Custom Software Development
    5% Mobile App Development

    Focus Areas

    15% JavaScript
    15% HTML5
    15% PHP +9
    10% Java
    10% SQL
    5% AJAX
    5% ASP.NET
    5% C#
    5% Go
    5% Kotlin
    5% Other programming & scripting languages
    5% jquery

    KEVINDJ Creatives specializes in website and graphic design services. Clients have praised their impressive communication skills and ability to deliver comprehensive design solutions, noting the high value for cost. While their creativity is commendable, some clients suggest improvements in time management and balancing creativity levels to better suit various audiences.

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  • Flabber Technology and Services Logotype

    Flabber Technology and Services

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Enterprise App Modernization
    15% Custom Software Development +4
    15% E-Commerce Development
    15% Mobile App Development
    10% AI Development
    10% Application Management & Support

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Ember.js +7
    10% Java
    10% Kotlin
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% Swift

    Launched in 2017, Flabber Technology and Services is an Enterprise App Modernization company. The team focuses on Enterprise App Modernization and Custom Software Development.

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  • Acemero Technologies Pvt.Ltd Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Ramanattukara, India

    Services provided

    15% Web Development
    10% Custom Software Development
    10% E-Commerce Development +10
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    5% Affiliate Marketing
    5% Blockchain
    5% Branding
    5% Email Marketing
    5% Graphic Design
    5% Logo
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    20% PHP
    10% AJAX +8
    10% Java
    10% Python
    10% SQL
    10% XML
    5% ASP
    5% C
    5% C#
    5% C++

    Acemero Technologies Pvt.Ltd is a web development firm headquartered in Ramanattukara, India. They provide Web Development and Custom Software Development.

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  • Python Dev Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Custom Software Development
    15% IT Staff Augmentation +4
    10% Application Management & Support
    10% E-Commerce Development
    10% Mobile App Development
    10% Web Design

    Focus Areas

    10% JavaScript
    25% Python
    10% AJAX +7
    10% C#
    10% Kotlin
    10% PHP
    10% SQL
    5% ASP
    5% ASP.NET
    5% Visual Basic

    Launched in 2013, Python Dev is a software development firm. The team specializes in Custom Software Development and IT staff augmentation and is based in Ahmedabad, India.

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  • iistech Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Mobile App Development
    15% IoT Development +4
    15% Low/No Code Development
    10% Custom Software Development
    8% IT Strategy Consulting
    7% Application Management & Support

    Focus Areas

    10% JavaScript
    30% Java
    30% Swift +3
    15% PHP
    10% SQL
    5% Python

    Headquartered in Ilerin, Nigeria, iistech is a mobile app development company. Their services include Mobile App Development and Web Development.

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  • Oasis Private Limted Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    South Croydon, England

    Services provided

    10% Web Development
    30% Custom Software Development
    10% AI Development +7
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% IoT Development
    5% Architectural Design
    5% Cybersecurity
    5% Mobile App Development
    5% Web Design

    Focus Areas

    15% JavaScript
    10% C
    10% C# +8
    10% C++
    10% Go
    10% Java
    10% Typescript
    10% XML
    5% Kotlin
    5% Other programming & scripting languages
    5% Python

    Oasis Private Limted is a software development company established in 2022. Their team offers Custom Software Development and BI & big data consulting & SI.

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  • AiCoderz Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% AI Development
    15% Application Testing +5
    15% E-Commerce Development
    15% Robotics Process Automation
    10% Low/No Code Development
    10% Mobile App Development
    10% Product Design

    Focus Areas

    15% JavaScript
    40% Visual Basic
    25% SQL +1
    20% PHP

    AiCoderz is a small website development company established in 2022. Their team specializes in Web Development and Mobile App Development.

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  • Orient8 Digital Marketing Agency Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    50% Search Engine Optimization
    15% Content Marketing +5
    5% E-Commerce Development
    5% Logo
    5% Pay Per Click
    5% Social Media Marketing
    5% Web Design

    Focus Areas

    15% JavaScript
    50% PHP
    10% C# +4
    10% Java
    5% Python
    5% SQL
    5% Swift

    Founded in 2022, Orient8 Digital Marketing Agency is a SEO company. Their services include Search Engine Optimization and Content Marketing.

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  • AppsBrew Logotype

    AppsBrew

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    10% Web Development
    40% Mobile App Development
    10% Application Testing +4
    10% Custom Software Development
    10% E-Commerce Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    15% JavaScript
    20% Kotlin
    20% Swift +6
    10% Ember.js
    10% PHP
    10% Redux
    5% AJAX
    5% Objective C
    5% SQL

    Launched in 2022, AppsBrew is an app development firm. Their services include Mobile App Development and Web Design.

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  • Realtyflow Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Calgary, Canada

    Services provided

    15% Web Development
    40% Corporate Photography
    25% Video Production +2
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    60% PHP
    20% HTML5 +1
    10% AJAX

    Realtyflow is a small Calgary, Canada-based Corporate Photography company. The team focuses on Corporate Photography and Video Production.

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  • Ftech Digital Logotype

    Ftech Digital

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% IT Managed Services
    25% IT Strategy Consulting +2
    25% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    60% HTML5
    10% AJAX +2
    10% PHP
    10% SQL

    Ftech Digital is a small Mumbai, India-based user experience company. Their services include UX/UI Design and IT strategy consulting.

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  • Sudoserv Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Cape Town, South Africa

    Services provided

    10% Web Development
    20% Conversion Optimization
    20% Social Media Marketing +4
    15% Pay Per Click
    15% Search Engine Optimization
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    15% JavaScript
    60% PHP
    15% Go +1
    10% Python

    Sudoserv is a social media marketing agency. The firm is located in Cape Town, South Africa. Their services include Social Media Marketing and Conversion Optimization.

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  • Brain Fusion Logotype

    Brain Fusion

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Graphic Design
    20% Interior Design +3
    20% Mobile App Development
    20% Print Design
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    25% Ember.js
    20% C++ +3
    15% Python
    15% Redux
    10% Java

    Brain Fusion is a graphic design agency founded in 2023. Their services include Graphic Design and Print Design.

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  • Devspherelabs Logotype

    Devspherelabs

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Custom Software Development
    10% E-Commerce Development +12
    10% Mobile App Development
    10% Social Media Marketing
    5% Advertising
    5% Application Management & Support
    5% Branding
    5% Ecommerce Marketing
    5% Enterprise App Modernization
    5% Mobile & App Marketing
    5% Product Marketing
    5% Search Engine Optimization
    5% UX/UI Design
    5% Web Design

    Focus Areas

    15% JavaScript
    40% Typescript
    20% HTML5 +2
    15% Redux
    10% Go

    Devspherelabs is a social media marketing company. In New York, New York, the firm was established in 2023. Their services include Social Media Marketing and Custom Software Development.

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  • Rudicon Logotype

    Rudicon

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Email Marketing
    15% Marketing Strategy +4
    15% Pay Per Click
    15% Search Engine Optimization
    15% Social Media Marketing
    15% UX/UI Design

    Focus Areas

    15% JavaScript
    55% HTML5
    15% PHP +1
    15% SQL

    Rudicon, a Marketing Strategy company, was launched in 2019. Located in Calgary, Canada, the team provides Marketing Strategy and Social Media Marketing.

    Read more
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  • Mateen Asghar Logotype

    Mateen Asghar

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% AR/VR Development
    20% Branding +3
    20% Mobile App Development
    20% Social Media Marketing
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    20% Python
    15% PHP +4
    15% SQL
    15% Visual Basic
    10% ASP
    10% ASP.NET

    Mateen Asghar is a branding firm. They offer Branding and Social Media Marketing and were established in 2015. The company is headquartered in Islamabad, Pakistan.

    Read more
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  • Cubiktech Logotype

    Cubiktech

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Mobile App Development
    15% Custom Software Development +6
    10% AI Development
    10% API Development
    10% DevOps Managed Services
    10% E-Commerce Development
    10% Low/No Code Development
    5% Microservices Architecture Services

    Focus Areas

    15% JavaScript
    15% Kotlin
    15% Redux +5
    15% Typescript
    15% jquery
    10% SQL
    10% backbone.js
    5% PHP

    Cubiktech is a Sanquelim, India-based software development company. Their services include Custom Software Development and Mobile App Development.

    Read more
    View Profile
  • CWM-Media LLC Logotype

    CWM-Media LLC

    Not yet reviewed

    $5,000+
    Undisclosed
    2 - 9

    Services provided

    10% Web Development
    10% API Development
    10% Custom Software Development +8
    10% Cybersecurity
    10% E-Commerce Development
    10% IT Managed Services
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    5% AI Development
    5% Application Management & Support

    Focus Areas

    15% JavaScript
    20% SQL
    15% HTML5 +6
    15% Java
    10% C++
    10% Python
    5% C#
    5% Ruby
    5% backbone.js

    Launched in 2023, CWM-Media LLC is a small web design agency. Their services include Web Design and UX/UI Design.

    Read more
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Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

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We evaluate service providers using a structured methodology that combines:

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

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Ability to deliver
Focus
Clutch Leaders Matrix

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

1 ImageX
2 xfive
3 GeekyAnts
4 Flowout
5 Brainhub
6 The Software House
7 PowerGate Software
8 HTMLPanda
9 FocusReactive
10 Arcanys
11 WPWeb Infotech
12 Softonix
13 PopArt Studio
14 Lizard Global
15 Experion Technologies

List of the Top 15 JavaScript Development Companies

  1. ImageX Logotype

    ImageX

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

    Ability to deliver

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

    Service focus

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

    xfive

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

    Ability to deliver

    35.9/40.0
    19/20 Reviews
    10/10 Clients & Experience
    6.9/10 Market Presence

    Service focus

    60% Web Development
    50% JavaScript
    40% Other
    View Profile Visit Website
  3. GeekyAnts Logotype

    GeekyAnts

    $10,000+
    $25 - $49 / hr
    250 - 999
    Bengaluru, India

    Ability to deliver

    37.2/40.0
    20/20 Reviews
    10/10 Clients & Experience
    7.2/10 Market Presence

    Service focus

    20% Web Development
    40% JavaScript
    80% Other
    View Profile Visit Website
  4. Flowout Logotype

    Flowout

    $5,000+
    $50 - $99 / hr
    50 - 249
    Maribor, Slovenia

    Ability to deliver

    35.1/40.0
    20/20 Reviews
    10/10 Clients & Experience
    5.1/10 Market Presence

    Service focus

    40% Web Development
    100% JavaScript
    60% Other
    View Profile Visit Website
  5. Brainhub Logotype

    Brainhub

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

    Ability to deliver

    34.1/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    45% Web Development
    75% JavaScript
    55% Other
    View Profile Visit Website
  6. The Software House Logotype

    The Software House

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

    Ability to deliver

    34.5/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    40% Web Development
    60% JavaScript
    60% Other
    View Profile Visit Website
  7. PowerGate Software Logotype

    PowerGate Software

    $10,000+
    < $25 / hr
    250 - 999
    Hanoi, Vietnam

    Ability to deliver

    35.9/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    7.1/10 Market Presence

    Service focus

    30% Web Development
    21% JavaScript
    70% Other
    View Profile Visit Website
  8. HTMLPanda Logotype

    HTMLPanda

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

    Ability to deliver

    32.8/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    6.6/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  9. FocusReactive Logotype

    FocusReactive

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

    Ability to deliver

    34.8/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    6.2/10 Market Presence

    Service focus

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

    Arcanys

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

    Ability to deliver

    35.6/40.0
    20/20 Reviews
    10/10 Clients & Experience
    5.6/10 Market Presence

    Service focus

    30% Web Development
    20% JavaScript
    70% Other
    View Profile Visit Website
  11. WPWeb Infotech Logotype

    WPWeb Infotech

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

    Ability to deliver

    37/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    45% Web Development
    10% JavaScript
    55% Other
    View Profile Visit Website
  12. Softonix Logotype

    Softonix

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

    Ability to deliver

    32.3/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    5.1/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  13. PopArt Studio Logotype

    PopArt Studio

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

    Ability to deliver

    35.6/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    6/10 Market Presence

    Service focus

    35% Web Development
    40% JavaScript
    65% Other
    View Profile Visit Website
  14. Lizard Global Logotype

    Lizard Global

    $10,000+
    $50 - $99 / hr
    50 - 249
    Amsterdam, Netherlands

    Ability to deliver

    34.9/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    5.1/10 Market Presence

    Service focus

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

    Experion Technologies

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

    Ability to deliver

    33.6/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

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

    INOXOFT

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

    Ability to deliver

    35.5/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    6.7/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  17. Cleveroad Logotype

    Cleveroad

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

    Ability to deliver

    36.2/40.0
    20/20 Reviews
    10/10 Clients & Experience
    6.2/10 Market Presence

    Service focus

    30% Web Development
    15% JavaScript
    70% Other
    View Profile Visit Website
  18. Povio Logotype

    Povio

    $10,000+
    $50 - $99 / hr
    50 - 249
    San Francisco, CA

    Ability to deliver

    32.6/40.0
    18.8/20 Reviews
    8.3/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    55% Web Development
    45% JavaScript
    45% Other
    View Profile Visit Website
  19. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

    36.3/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    8.8/10 Market Presence

    Service focus

    15% Web Development
    18% JavaScript
    85% Other
    View Profile Visit Website
  20. Xmartlabs Logotype

    Xmartlabs

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

    Ability to deliver

    33.8/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    50% Web Development
    35% JavaScript
    50% Other
    View Profile Visit Website
  21. Incora Logotype

    Incora

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

    Ability to deliver

    33.1/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  23. Adchitects Logotype

    Adchitects

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

    Ability to deliver

    33.8/40.0
    17/20 Reviews
    10/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

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

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

    31.9/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    5.5/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  25. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

    31.9/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    5.7/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  26. XWP Logotype

    XWP

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

    Ability to deliver

    31.9/40.0
    15.8/20 Reviews
    10/10 Clients & Experience
    6.1/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  27. Toptal Logotype

    Toptal

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

    Ability to deliver

    33.9/40.0
    17.2/20 Reviews
    9.9/10 Clients & Experience
    6.8/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  28. unicrew Logotype

    unicrew

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

    Ability to deliver

    33.8/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    5/10 Market Presence

    Service focus

    30% Web Development
    50% JavaScript
    70% Other
    View Profile Visit Website
  29. Konstant Infosolutions Logotype

    Konstant Infosolutions

    $5,000+
    $25 - $49 / hr
    250 - 999
    Jaipur, India

    Ability to deliver

    37.4/40.0
    20/20 Reviews
    10/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    10% Web Development
    25% JavaScript
    90% Other
    View Profile Visit Website
  30. Vardot Logotype

    Vardot

    $25,000+
    $100 - $149 / hr
    50 - 249
    Santa Clara, CA

    Ability to deliver

    35.1/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    7.3/10 Market Presence

    Service focus

    60% Web Development
    20% JavaScript
    40% Other
    View Profile Visit Website

Top JavaScript Development Agencies

A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.

Most agencies bundle multiple offerings so clients can access full product life-cycle support:

  • Discovery workshops & technical consulting
  • UI/UX design and prototyping
  • Front-end SPA or PWA development
  • Server-side development with Node.js or Deno
  • API design, GraphQL, and microservices architecture
  • QA automation & performance testing
  • DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
  • Post-launch maintenance and feature sprints

Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.

Clutch data shows project budgets range widely:

  • MVP or small web app - $15,000–$50,000
  • Mid-size product build - $50,000–$200,000
  • Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.

  • Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
  • Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
  • Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
  • Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
  • Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.

Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.

  • Guaranteed timelines without discovery
  • No access to source code repositories during the engagement
  • Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
  • Low developer retention or high turnover
  • Vague pricing models or hidden fees

If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution

  • Which JavaScript frameworks do you specialize in, and why?
  • Can you walk me through a recent project with similar complexity?
  • How do you ensure code quality—linting, peer reviews, automated tests?
  • What is your approach to scalability and performance optimization?
  • How will we communicate and track progress (tools, meeting cadence)?
  • Who owns the intellectual property and source code upon project completion?

Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.

A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.

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