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Home Web Developers JavaScript

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 13, 2026
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22,611 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Phone X App Solutions - Out of Business Logotype

    4.8 2 reviews
    $25,000+
    $25 - $49 / hr
    10 - 49
    Bengaluru, India

    Services provided

    10% Web Development
    35% Mobile App Development
    25% E-Commerce Development +2
    15% Application Management & Support
    15% Low/No Code Development

    Focus Areas

    20% JavaScript
    15% Kotlin
    15% Objective C +5
    10% AJAX
    10% PHP
    10% Redux
    10% SQL
    10% Swift

    Phone X App Solutions provides comprehensive Web Development services, including Web Design, robust search functionalities, SEO, and social media integration. Reviews highlight their reliable project management, timely delivery, and exceptional customer service. Clients particularly appreciate their innovative approach and strong communication.

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    Industry Experience

    Phone X App Solutions has demonstrated expertise primarily in the IT Services sector, particularly in mobile app development. Clients highlight their strengths in UI/UX design, professionalism, timely delivery, and effective communication throughout the project lifecycle. Overall sentiment is highly positive, indicating a strong fit for businesses seeking reliable app development services within the IT industry.

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    IT Services

    Average Project Cost Breakdown

    Less than $10,000 (1)

    What Clients Have Said

    Clients generally perceive Phone X App Solutions as offering good value for money, with investments around $6,000 resulting in high-quality app development and professional service. One client highlighted their satisfaction with the delivered app's functionality and design, noting the team's responsiveness and timely project completion. Overall, feedback reflects a strong sentiment towards their cost-effectiveness and reliability, with no major complaints regarding pricing or deliverables.
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  • Harlo Agency Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    Portland, OR

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +8
    10% Corporate Photography
    10% Digital Strategy
    10% E-Commerce Development
    10% Marketing Strategy
    10% Mobile App Development
    10% Web Design
    5% Logo
    5% UX/UI Design

    Focus Areas

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

    Harlo Agency is a small branding agency. Established in 2004, the team provides Branding and Marketing Strategy.

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  • Flying hippo Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Advertising
    10% Branding +7
    10% Digital Strategy
    10% Mobile App Development
    10% Other Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Video Production
    10% Web Design

    Focus Areas

    20% JavaScript
    40% Other programming & scripting languages
    20% PHP +1
    20% SQL

    Flying hippo is an Advertising company. They offer Advertising and Branding and were established in 2003. The firm is located in Des Moines, Iowa.

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  • Adapt360 Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    10 - 49
    San Clemente, CA

    Services provided

    20% Web Development
    20% Custom Software Development
    15% BI & Big Data Consulting & SI +3
    15% CRM Consulting and SI
    15% E-Commerce Development
    15% Mobile App Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% C#
    10% ColdFusion
    10% Java
    10% PHP
    10% SQL
    10% Visual Basic
    10% XML

    Adapt360, a software development company, offers Custom Software Development and Web Development. The company is in San Clemente, California.

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  • Somos Digital Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Shenzhen Shi, China

    Services provided

    10% Web Development
    30% Custom Software Development
    20% Web Design +4
    10% E-Commerce Development
    10% Graphic Design
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% C
    20% C++ +2
    20% Java
    20% PHP

    Somos Digital is a software development firm. Located in Shenzhen Shi, China, the firm was launched in 2016. Their services include Custom Software Development and Web Design.

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  • Karma Communication Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Torino, Italy

    Services provided

    10% Web Development
    50% Web Design
    20% Advertising +1
    20% Graphic Design

    Focus Areas

    20% JavaScript
    30% C++
    30% Java +1
    20% PHP

    Karma Communication is a small web design company. Launched in 2007, the team focuses on Web Design and Advertising.

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  • SoftKitect Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Tijuana, Mexico

    Services provided

    15% Web Development
    20% Custom Software Development
    20% Mobile App Development +3
    15% E-Commerce Development
    15% UX/UI Design
    15% Web Design

    Focus Areas

    15% JavaScript
    20% SQL
    15% Java +4
    15% PHP
    15% Python
    10% C
    10% C#

    SoftKitect, a software development firm, was established in 2015. They specializes in Custom Software Development and Mobile App Development.

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  • Fantommers Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Rosario, Argentina

    Services provided

    20% Web Development
    40% Custom Software Development
    20% IT Strategy Consulting +1
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    10% ASP
    10% ASP.NET +7
    10% C
    10% C++
    10% Java
    10% PHP
    10% Perl
    10% Python
    10% XML

    Custom software development company Fantommers is located in Rosario, Argentina. Their services include Custom Software Development and IT strategy consulting.

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  • Alltraders Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Wayville, Australia

    Services provided

    15% Web Development
    20% Custom Software Development
    15% Graphic Design +4
    15% Mobile App Development
    15% Web Design
    10% Email Marketing
    10% Search Engine Optimization

    Focus Areas

    15% JavaScript
    15% AJAX
    15% PHP +5
    15% Visual Basic
    10% C
    10% C#
    10% C++
    10% Java

    Alltraders, a software development company, was established in 2006. They focuses on Custom Software Development and Graphic Design.

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  • SimonComputing, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Alexandria, VA

    Services provided

    10% Web Development
    50% Custom Software Development
    30% Cybersecurity +1
    10% Mobile App Development

    Focus Areas

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

    SimonComputing, Inc. Is a software development company. Located in Alexandria, Virginia, the team offers Custom Software Development and Cybersecurity.

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  • QtheAgency Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Louisville, KY

    Services provided

    10% Web Development
    20% Advertising
    20% Branding +3
    20% Digital Strategy
    20% Search Engine Optimization
    10% Low/No Code Development

    Focus Areas

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

    QtheAgency is a small Advertising company. Founded in 1994, the team provides Advertising and Branding.

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  • Hi Dev Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    San Mateo, CA

    Services provided

    20% Web Development
    20% AR/VR Development
    20% Custom Software Development +3
    20% Mobile App Development
    10% Branding
    10% Cloud Consulting & SI

    Focus Areas

    10% JavaScript
    20% C
    20% C++ +5
    10% C#
    10% PHP
    10% Python
    10% Ruby
    10% SQL

    Established in 2010, Hi Dev is a software development company. The team specializes in Custom Software Development and Web Development.

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  • RVA Fintech Solutions Logotype

    RVA Fintech Solutions

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49

    Services provided

    10% Web Development
    15% Blockchain
    15% Custom Software Development +6
    10% Cloud Consulting & SI
    10% Computer Engineering
    10% DevOps Managed Services
    10% IT Staff Augmentation
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% AJAX
    20% HTML5 +2
    20% Python
    20% jquery

    RVA Fintech Solutions is a software development company in Kyiv, Ukraine. They focus on Custom Software Development and Blockchain.

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  • Future Processing Ukraine Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Ternopil, Ukraine

    Services provided

    10% Web Development
    10% Application Testing
    10% BI & Big Data Consulting & SI +7
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% DevOps Managed Services
    10% Enterprise App Modernization
    10% IT Staff Augmentation
    10% Mobile App Development
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    20% SQL
    15% C +3
    15% C#
    15% C++
    15% Typescript

    Future Processing Ukraine is an user experience agency established in 2017. The team offers UX/UI Design and BI & big data consulting & SI.

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  • Creative Faze Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Toronto, Canada

    Services provided

    15% Web Development
    15% Business Consulting
    15% Graphic Design +4
    15% Mobile App Development
    15% Video Production
    15% Web Design
    10% UX/UI Design

    Focus Areas

    15% JavaScript
    20% Objective C
    20% PHP +3
    15% HTML5
    15% Java
    15% Swift

    Creative Faze Inc is a web design company located in Toronto, Canada. The team provides Web Design and Graphic Design.

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  • EFSOULS Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Surat, India

    Services provided

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

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% Ember.js +7
    10% HTML5
    10% Java
    10% PHP
    10% Perl
    10% Python
    10% backbone.js
    10% jquery

    EFSOULS is a small web design agency. They provide Web Design and Custom Software Development and were launched in 2012.

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  • Ephibian, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Tucson, AZ

    Services provided

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

    Focus Areas

    10% JavaScript
    20% Java
    10% AJAX +6
    10% ASP.NET
    10% C
    10% C#
    10% Objective C
    10% PHP
    10% jquery

    Founded in 1996, Ephibian, Inc. Is an UX agency. The company specializes in UX/UI Design and IT managed services, and is small.

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  • 729 Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    San Francisco, CA

    Services provided

    20% Web Development
    20% API Development
    20% Branding +2
    20% IT Managed Services
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    10% C
    10% C# +7
    10% C++
    10% HTML5
    10% Java
    10% Objective C
    10% PHP
    10% Ruby
    10% Swift

    729 Solutions is a branding company. Based in San Francisco, California, the firm was established in 2003. Their services include Branding and IT managed services.

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  • Outsoft Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% AR/VR Development
    15% Custom Software Development +9
    15% Mobile App Development
    10% UX/UI Design
    10% Web Design
    5% E-Commerce Development
    5% Logo
    3% Application Testing
    3% Enterprise App Modernization
    2% IoT Development
    2% Wearable App Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% C# +10
    10% Java
    10% PHP
    10% SQL
    10% Swift
    5% ASP.NET
    5% C
    5% C++
    5% Objective C
    5% Python
    5% XML

    In Knoxville, Tennessee and Kyiv, Ukraine, Outsoft is a software development firm. The team focuses on Custom Software Development and AR/VR development.

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  • PXL Technologies LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Stillwater, MN

    Services provided

    20% Web Development
    30% Search Engine Optimization
    20% Web Design +2
    15% Graphic Design
    15% Logo

    Focus Areas

    30% JavaScript
    35% AJAX
    35% PHP

    PXL Technologies LLC, a SEO company, was established in 2009. They offers Search Engine Optimization and Web Design.

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  • Turnwall Design Logotype

    Turnwall Design

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    25% Web Development
    25% Graphic Design
    25% UX/UI Design +1
    25% Web Design

    Focus Areas

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

    UX design agency Turnwall Design was established in 2007. The firm provides UX/UI Design and Graphic Design.

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  • Luca Moreno Logotype

    Luca Moreno

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    30% Web Development
    25% Graphic Design
    25% Web Design +2
    10% Advertising
    10% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% C++
    20% Other programming & scripting languages +2
    20% PHP
    20% XML

    Luca Moreno is a website development company. They are located in Rome, Italy and have small team. Their services include Web Development and Graphic Design.

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  • WebDesignerPlano Logotype

    WebDesignerPlano

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    40% Web Development
    40% Web Design
    10% Search Engine Optimization +1
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    20% ASP
    20% ColdFusion +3
    20% Other programming & scripting languages
    20% PHP
    10% ASP.NET

    WebDesignerPlano is a web design agency. Their small team is headquartered in Allen, Texas. Their services include Web Design and Web Development.

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  • Web Design IASI Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Iași, Romania

    Services provided

    25% Web Development
    25% E-Commerce Development
    25% Search Engine Optimization +1
    25% Web Design

    Focus Areas

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

    Web Design IASI is an e-commerce development firm. The small Iași, Romania-based team provides E-Commerce Development and Search Engine Optimization. The firm was founded in 2011.

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  • Codeaustic Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Port Chester, NY

    Services provided

    25% Web Development
    25% Web Design
    20% Graphic Design +3
    10% Ecommerce Marketing
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    25% JavaScript
    25% AJAX
    25% HTML5 +1
    25% PHP

    Codeaustic is a small Port Chester, New York-based web design company. The team specializes in Web Design and Web Development.

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  • Bas Buur Development Logotype

    Bas Buur Development

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    25% Web Development
    25% CRM Consulting and SI
    25% E-Commerce Development +1
    25% Mobile App Development

    Focus Areas

    25% JavaScript
    25% HTML5
    25% PHP +1
    25% SQL

    In Mijas, Spain, Bas Buur Development is a small CRM consulting and SI company. Their services include CRM consulting and SI and Web Development.

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  • Techno Facts Solutions Pvt Ltd Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Dublin, OH

    Services provided

    10% Web Development
    20% Custom Software Development
    20% Staffing +5
    10% CRM Consulting and SI
    10% IT Staff Augmentation
    10% Recruiting
    10% Recruitment Process Outsourcing
    10% Web Design

    Focus Areas

    15% JavaScript
    20% AJAX
    20% C++ +3
    15% HTML5
    15% SQL
    15% jquery

    Techno Facts Solutions Pvt Ltd is a software development firm based in Dublin, Ohio and Hyderabad, India. They focus on Custom Software Development and Staffing.

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  • Logic Way Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Newton, MA

    Services provided

    15% Web Development
    20% Custom Software Development
    15% IT Strategy Consulting +4
    15% Mobile App Development
    15% UX/UI Design
    10% Application Testing
    10% BI & Big Data Consulting & SI

    Focus Areas

    10% JavaScript
    10% AJAX
    10% C +7
    10% C++
    10% Ember.js
    10% HTML5
    10% Java
    10% SQL
    10% backbone.js
    10% jquery

    Logic Way Inc. Is a custom software development firm. Founded in 2004, the team offers Custom Software Development and UX/UI Design. The firm is headquartered in Newton, Massachusetts.

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  • REDLINE IT, INC. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Newton, MA

    Services provided

    15% Web Development
    20% E-Commerce Development
    20% Mobile App Development +3
    15% Custom Software Development
    15% Graphic Design
    15% Web Design

    Focus Areas

    10% JavaScript
    10% C
    10% C# +7
    10% C++
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% SQL
    10% jquery

    REDLINE IT, INC. Is an app development company. Based in Newton, Massachusetts, the company focuses on Mobile App Development and E-Commerce Development.

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  • DevOps Global Solutions, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Phoenix, AZ

    Services provided

    10% Web Development
    20% DevOps Managed Services
    10% API Development +6
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% Cybersecurity
    10% Digital Strategy
    10% Web Design

    Focus Areas

    40% JavaScript
    20% HTML5
    20% Python +1
    20% SQL

    Established in 2016, DevOps Global Solutions, LLC is a small DevOps Managed Services company. Their team focuses on DevOps Managed Services and Digital Strategy.

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  • ZoneRise Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Phoenix, AZ

    Services provided

    20% Web Development
    20% API Development
    20% Cloud Consulting & SI +2
    20% E-Commerce Development
    20% Mobile App Development

    Focus Areas

    30% JavaScript
    30% Python
    20% PHP +1
    20% SQL

    ZoneRise is a cloud consulting & SI company. The team is located in Phoenix, Arizona, and their services include cloud consulting & SI and Web Development.

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  • Amato Capital Limited Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    City of London, England

    Services provided

    20% Web Development
    20% AI Development
    20% AR/VR Development +2
    20% Blockchain
    20% Custom Software Development

    Focus Areas

    30% JavaScript
    35% Python
    35% Swift

    Amato Capital Limited is a custom software development firm based in City of London, England. They offer Custom Software Development and Web Development.

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  • Data Brilliance Software Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Rochester, NY

    Services provided

    10% Web Development
    10% API Development
    10% Cloud Consulting & SI +7
    10% Cybersecurity
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    15% JavaScript
    15% AJAX
    15% HTML5 +4
    15% Java
    15% PHP
    15% Swift
    10% ASP

    Data Brilliance Software is a social media marketing agency. The firm is headquartered in Rochester, New York. Their services include Social Media Marketing and Search Engine Optimization.

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  • Daniel Sarkwa Logotype

    Daniel Sarkwa

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer

    Services provided

    20% Web Development
    20% BI & Big Data Consulting & SI
    20% Custom Software Development +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    30% JavaScript
    30% C#
    20% ASP.NET +1
    20% HTML5

    Daniel Sarkwa is a web design company headquartered in Turku, Finland. Their services include Web Design and UX/UI Design.

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  • Gianluca Rinaldi Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Trani, Italy

    Services provided

    20% Web Development
    40% UX/UI Design
    20% E-Commerce Development +1
    20% Web Design

    Focus Areas

    30% JavaScript
    40% PHP
    30% jquery

    Small user experience design agency Gianluca Rinaldi, is located in Trani, Italy. Their services include UX/UI Design and Web Design.

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  • TangerineSEO Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    London, England

    Services provided

    20% Web Development
    40% Search Engine Optimization
    20% Content Marketing +1
    20% E-Commerce Development

    Focus Areas

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

    TangerineSEO is a SEO services firm. Their small team of employees is located in London, England. Their team focuses on Search Engine Optimization and Content Marketing.

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  • Aeliusventure Logotype

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    50 - 249
    London, England

    Services provided

    10% Web Development
    15% AI Development
    15% AR/VR Development +7
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% Low/No Code Development
    10% Mobile App Development
    5% Digital Strategy
    5% IoT Development

    Focus Areas

    13% JavaScript
    13% Other programming & scripting languages
    13% Python +8
    13% Swift
    7% C#
    7% Java
    7% Objective C
    7% PHP
    7% Ruby
    7% SQL
    6% Kotlin

    Aeliusventures offers Web Development, Web Design, and Online Development services, focusing on enhancing website functionality, aesthetics, and user experience. Feedback highlights their exceptional project management, timely delivery, technical expertise, and creative approach, leading to significant improvements in performance, user engagement, and customer satisfaction. Clients commend their responsiveness, attention to detail, and alignment with company values.

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  • WorkSpin Ltd. Logotype

    5.0 3 reviews
    $10,000+
    $50 - $99 / hr
    10 - 49
    New Barnet, England

    Services provided

    10% Web Development
    50% Mobile App Development
    10% AR/VR Development +3
    10% DevOps Managed Services
    10% Low/No Code Development
    10% UX/UI Design

    Focus Areas

    17% JavaScript
    28% HTML5
    22% PHP +3
    11% AJAX
    11% Redux
    11% jquery

    WorkSpin Ltd. is a web development company specializing in Website Development and Web Design. With a 100% positive feedback rate, clients praise their alignment with company values, artistic vision, and ease of collaboration. While they deliver high-quality projects, minor improvements in pre-launch testing could enhance their service delivery.

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    Reviews mention Great team

    The feedback regarding WorkSpin Ltd. highlights their exceptional team, characterized by ease of collaboration and integrity. A client from Red Light Systems emphasized their positive experience, noting the company's alignment with their values and culture, as well as their responsiveness and effective project management. The overall sentiment is highly favorable, with clients appreciating the team's professionalism and commitment to delivering quality results without any areas for improvement indicated.
    • Web Design & Development for Marketing Agency
      5.0 Feb 2, 2024

      The company was praised for their ease of working with and all around good people. This suggests a strong, collaborative team environment. Their ability to manage projects effectively and deliver on time further highlights their excellent team dynamics.

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    2 of 2 Web Development reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Website Development for SaaS Company

    5.0 — A SaaS company hired WorkSpin Ltd. to develop a website with a six-question quiz that helps users select a restaurant. The team integrated Google into the site to show restaurant business hours and Read more
    Read 2 Reviews

    Industry Experience

    WorkSpin Ltd. has received positive feedback for their work in the Advertising & Marketing and Software industries. Clients in Advertising praised their ease of collaboration and project management, noting successful website overhauls. In the Software sector, they were commended for their artistic vision and effective implementation of a SAAS web solution, although minor delays and testing improvements were suggested. Overall, WorkSpin Ltd. demonstrates strong capabilities in delivering tailored web solutions, making them a suitable partner for projects in these sectors.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Software

    Average Project Cost Breakdown

    $10,000 to $49,000 (2)

    What Clients Have Said

    Clients consistently praised WorkSpin Ltd. for their competitive pricing and overall value for money. One executive noted that the company's pricing fit their budget and offered good value for the cost. Similarly, the CEO of another client highlighted that WorkSpin's pricing was a key factor in their selection. Overall, feedback reflects a positive sentiment regarding the affordability and value provided by the company, with no significant concerns raised about cost-related issues.
    Read All Reviews
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  • Jorge Mauricio - Programador Visual Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Rio de Janeiro, Brazil

    Services provided

    20% Web Development
    20% Web Design
    15% Branding +3
    15% Graphic Design
    15% Mobile App Development
    15% Video Production

    Focus Areas

    25% JavaScript
    25% ASP.NET
    25% Other programming & scripting languages +1
    25% PHP

    Jorge Mauricio - Programador Visual is a web design company. Their small team is located in Rio de Janeiro, Brazil. Their team provides Web Design and Web Development.

    Read more
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  • CDF Web Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    Freelancer
    Rockville, MD

    Services provided

    20% Web Development
    20% API Development
    20% Mobile App Development +4
    10% CRM Consulting and SI
    10% E-Commerce Development
    10% Email Marketing
    10% IT Strategy Consulting

    Focus Areas

    25% JavaScript
    25% HTML5
    25% PHP +1
    25% SQL

    CDF Web Solutions, a web development firm, was established in 2005. The team specializes in Web Development and Mobile App Development.

    Read more
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  • 18Solutions - Out of Business Logotype

    4.5 2 reviews
    $10,000+
    $25 - $49 / hr
    2 - 9
    Hyderabad, India

    Services provided

    20% Web Development
    30% Custom Software Development
    30% IoT Development +1
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    50% Python
    40% PHP

    18Solutions - Out of Business was a web development company specializing in front-end and back-end solutions, including web application development. The overall feedback was positive, with clients noting significant improvements in business metrics, such as a significant boost in online inquiries. The company demonstrated a robust project management approach and an impressive grasp of business requirements.

    See all 2 projects

    Reviews mention Professional

    Clients have expressed high satisfaction with 18Solutions' professionalism, noting their structured project management and ability to quickly grasp business requirements. One client highlighted their robust deliverables and effective testing methodologies, contrasting them with experiences from other vendors. The overall sentiment is positive, with clients recommending the company for larger projects based on their demonstrated capabilities.
    • Booking Platform for Hospitality Company
      4.5 Nov 13, 2019

      We followed a very structured approach. I work for a technology company, so I was insistent on following certain program management and project management structures. They have a very professional approach. We used Google Spreadsheets and Trello for project management, with a weekly Skype call on to monitor the progress.

      Read Full Review
    Read All Reviews
    0 of 1 Web Development reviews are 5 stars
    Less than $10,000 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Booking Platform for Hospitality Company

    4.5 — 18Solutions provided platform development, working on the front- and backend development. They incorporated reservation capabilities, multiple inventory locations, and they conducted testing before Read more
    Read 1 Review

    Industry Experience

    18Solutions has demonstrated significant expertise in the hospitality and leisure industry, receiving positive feedback for their ability to develop web and mobile applications tailored to client needs. Clients reported increased lead generation and operational efficiency due to robust solutions, with a sentiment of satisfaction regarding project management and timely delivery. Their strengths lie in understanding business requirements and delivering reliable products, making them a strong fit for technology-driven ventures within the hospitality sector.

    Read All Reviews

    Select Industry to see insights

    Hospitality & leisure

    Average Project Cost Breakdown

    Less than $10,000 (1) $10,000 to $49,000 (1)

    What Clients Have Said

    Clients noted that 18Solutions provided substantial value for their investment, with costs around $7,500 leading to significant business improvements. One client reported that their website inquiries increased from 15-20% to 50% of total revenue after engagement. Feedback highlighted the company's effective project management and timely delivery, with one client stating that 98% of the developed features worked well without issues. Overall, clients felt they received good value for money, praising the quality of deliverables.
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  • falahbits - Out of Business Logotype

    5.0 1 review
    $5,000+
    < $25 / hr
    2 - 9
    Hubballi, India

    Services provided

    10% Web Development
    30% Search Engine Optimization
    20% Content Marketing +4
    15% Social Media Marketing
    10% UX/UI Design
    10% Web Design
    5% Pay Per Click

    Focus Areas

    20% JavaScript
    50% PHP
    30% Other programming & scripting languages

    falahbits - Out of Business was a company specializing in web development and digital marketing services, including social media strategy and website hosting. Reviewers consistently praised their project management skills and quality content delivery. Client feedback was overwhelmingly positive, with 100% expressing satisfaction with their service, highlighting their adaptability and supportive approach.

    See all 1 projects
    1 of 1 Web Development reviews are 5 stars
    Less than $10,000 avg. project cost

    Web Development PROJECT HIGHLIGHT

    SMM & Web Hosting for Restaurant

    5.0 — The falahbits team has developed a digital marketing strategy for a restaurant. They’ve created social media content and responded to comments. The team has also been responsible for hosting the Read more
    Read 1 Review

    Industry Experience

    Falahbits has received positive feedback primarily from the Food & Beverages industry, where they excelled in social media marketing and website hosting. Clients appreciate their responsiveness, quality content, and effective project management, leading to measurable business growth. Their personable approach and adaptability to client needs further enhance their reputation. Potential clients in the Food & Beverages sector may find falahbits particularly suitable for digital marketing initiatives.

    Read All Reviews

    Select Industry to see insights

    Food & Beverages

    Average Project Cost Breakdown

    Less than $10,000 (1)

    What Clients Have Said

    Clients have expressed satisfaction with falahbits' cost-effectiveness and overall value, noting an investment of $2,500 for comprehensive services including social media marketing and website hosting. One client highlighted the company's ability to consistently meet deadlines and manage project scope effectively, while also appreciating the quality of the content produced. Overall, the sentiment reflects a positive perception of the company's pricing relative to the quality of services rendered.
    Read All Reviews
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  • Done Collective Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Web Design
    15% Graphic Design +4
    15% Search Engine Optimization
    15% Social Media Marketing
    10% Logo
    10% Print Design

    Focus Areas

    15% JavaScript
    20% C
    20% C++ +3
    15% Other programming & scripting languages
    15% PHP
    15% SQL

    Done Collective is a web design company. Founded in 2010, the agency is in Alexandria, Virginia. Their team provides Web Design and Graphic Design.

    Read more
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  • IMG Networks Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    40% IT Managed Services
    20% Unified Communications Consulting & SI +1
    20% Web Design

    Focus Areas

    10% JavaScript
    30% Other programming & scripting languages
    10% AJAX +5
    10% ASP
    10% C#
    10% Java
    10% PHP
    10% XML

    IMG Networks, a small IT managed services company, is headquartered in Chula Vista, California. The team provides IT managed services and unified communications consulting & SI.

    Read more
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  • WebHike Solutions Pvt Ltd. Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Direct Marketing
    20% Web Design +4
    10% Application Testing
    10% E-Commerce Development
    10% Mobile & App Marketing
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    30% ASP.NET
    30% PHP +3
    10% AJAX
    10% Other programming & scripting languages
    10% SQL

    WebHike Solutions Pvt Ltd. Is a Direct Marketing company. Founded in 2016, the team specializes in Direct Marketing and Web Design. The agency is based in Lahore, Pakistan.

    Read more
    View Profile
  • White Chalk Road Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Burswood, Australia

    Services provided

    20% Web Development
    20% Content Marketing
    20% Digital Strategy +2
    20% Search Engine Optimization
    20% Social Media Marketing

    Focus Areas

    10% JavaScript
    10% Apex
    10% C# +7
    10% Delphi
    10% Go
    10% Java
    10% PHP
    10% Perl
    10% Python
    10% Ruby

    White Chalk Road, a Content Marketing company, was founded in 1999. The company offers Content Marketing and Digital Strategy.

    Read more
    View Profile
  • Asterix Creative LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Eugene, OR

    Services provided

    20% Web Development
    20% Graphic Design
    20% Print Design +2
    20% Product Design
    20% Video Production

    Focus Areas

    10% JavaScript
    10% C
    10% C++ +9
    10% Java
    10% Other programming & scripting languages
    10% PHP
    10% Perl
    10% Python
    5% AJAX
    5% Kotlin
    5% Objective C
    5% SQL

    Asterix Creative LLC is a graphic design agency. Their team is headquartered in Eugene, Oregon and focuses on Graphic Design and Print Design.

    Read more
    View Profile
  • Senarysoft Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Lakewood, CA

    Services provided

    10% Web Development
    10% Branding
    10% Cloud Consulting & SI +7
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Strategy Consulting
    10% Logo
    10% Mobile App Development
    10% Print Design
    10% Web Design

    Focus Areas

    20% JavaScript
    10% ASP.NET
    10% C# +6
    10% HTML5
    10% Java
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Swift

    Branding agency Senarysoft was established in 2012. The company specializes in Branding and Web Design.

    Read more
    View Profile
  • Neosidea Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Torino, Italy

    Services provided

    10% Web Development
    70% Custom Software Development
    20% Mobile App Development

    Focus Areas

    20% JavaScript
    20% C++
    20% Java +2
    20% PHP
    20% SQL

    Neosidea, a custom software development firm, is located in Torino, Italy. Their services include Custom Software Development and Mobile App Development.

    Read more
    View Profile
  • Textus Marketing Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Seminole, FL

    Services provided

    15% Web Development
    20% Search Engine Optimization
    20% Social Media Marketing +3
    15% IT Managed Services
    15% Pay Per Click
    15% Web Design

    Focus Areas

    15% JavaScript
    50% PHP
    25% Visual Basic +1
    10% Java

    SEO company Textus Marketing is in Seminole, Florida. Their services include Search Engine Optimization and Social Media Marketing.

    Read more
    View Profile

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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 The Software House
4 Brainhub
5 Softonix
6 GeekyAnts
7 Xmartlabs
8 unicrew
9 Lizard Global
10 PopArt Studio
11 HTMLPanda
12 PowerGate Software
13 Vention
14 Cleveroad
15 Arcanys

List of the Top 15 JavaScript Development Companies

  1. 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
  2. xfive Logotype

    xfive

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

    Ability to deliver

    38.9/40.0
    19/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    60% Web Development
    50% JavaScript
    40% Other
    View Profile Visit Website
  3. The Software House Logotype

    The Software House

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

    Ability to deliver

    39/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

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

    Brainhub

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

    Ability to deliver

    38.3/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    45% Web Development
    75% JavaScript
    55% Other
    View Profile Visit Website
  5. Softonix Logotype

    Softonix

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

    Ability to deliver

    37.5/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  6. GeekyAnts Logotype

    GeekyAnts

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

    Ability to deliver

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

    Service focus

    20% Web Development
    40% JavaScript
    80% Other
    View Profile Visit Website
  7. Xmartlabs Logotype

    Xmartlabs

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

    Ability to deliver

    38.9/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

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

    unicrew

    $25,000+
    $50 - $99 / hr
    50 - 249
    London, England

    Ability to deliver

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

    Service focus

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

    Lizard Global

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

    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
  10. 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
  11. HTMLPanda Logotype

    HTMLPanda

    $1,000+
    < $25 / hr
    250 - 999
    Walpole, 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
  12. PowerGate Software Logotype

    PowerGate Software

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

    Ability to deliver

    38.9/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    30% Web Development
    21% JavaScript
    70% Other
    View Profile Visit Website
  14. 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

    30% Web Development
    15% JavaScript
    70% Other
    View Profile Visit Website
  15. 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
  16. INOXOFT Logotype

    INOXOFT

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

    Ability to deliver

    38.8/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

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

    Incora

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

    Ability to deliver

    36.8/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  18. Experion Technologies Logotype

    Experion Technologies

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

    Ability to deliver

    36.5/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    Scopic

    $10,000+
    $50 - $99 / hr
    250 - 999
    Marlborough, MA

    Ability to deliver

    38.3/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  20. WPWeb Infotech Logotype

    WPWeb Infotech

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

    Ability to deliver

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

    Service focus

    45% Web Development
    10% JavaScript
    55% Other
    View Profile Visit Website
  21. Vincit Logotype

    Vincit

    $50,000+
    $150 - $199 / hr
    250 - 999
    Irvine, CA

    Ability to deliver

    36.1/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
    View Profile Visit Website
  22. Adchitects Logotype

    Adchitects

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

    Ability to deliver

    37.1/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

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

    XWP

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

    Ability to deliver

    35.5/40.0
    15.8/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  24. Boldare Logotype

    Boldare

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

    Ability to deliver

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

    Service focus

    20% Web Development
    50% JavaScript
    80% Other
    View Profile Visit Website
  25. Bilberrry Logotype

    Bilberrry

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

    Ability to deliver

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

    Service focus

    40% Web Development
    70% JavaScript
    60% Other
    View Profile Visit Website
  26. Flowout Logotype

    Flowout

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

    Ability to deliver

    36.1/40.0
    20/20 Reviews
    10/10 Clients & Experience
    6.1/10 Market Presence

    Service focus

    40% Web Development
    100% JavaScript
    60% Other
    View Profile Visit Website
  27. Infinum Logotype

    Infinum

    $50,000+
    $150 - $199 / 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

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

    Blazity

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

    Ability to deliver

    36.7/40.0
    17.4/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  29. Fora Soft Logotype

    Fora Soft

    $5,000+
    $25 - $49 / hr
    50 - 249
    Hong Kong, Hong Kong

    Ability to deliver

    37.8/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.4/10 Market Presence

    Service focus

    25% Web Development
    60% JavaScript
    75% Other
    View Profile Visit Website
  30. Toptal Logotype

    Toptal

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

    Ability to deliver

    37.1/40.0
    17.2/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% 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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