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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: April 1, 2026
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15 Leaders 15 Contenders

21,843 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

    What are Featured Providers?

    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

    4.9 89 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    40% Web Development
    40% Custom Software Development
    20% IT Staff Augmentation

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% Java
    10% PHP
    10% Python
    10% Rust
    10% SQL
    10% Scala
    10% Swift

    Digis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.

    See all 89 projects
    4 of 4 reviews are 5 stars
    2 new reviews for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 4 times in the past 6 months

    In the past six months, clients have provided overwhelmingly positive feedback regarding Digis, a Fiverr company (NYSE: FVRR). Customers praised the team's responsive communication and effective project management, noting significant improvements in project turnaround times and overall site performance. One client highlighted a 40-50% reduction in delivery times, while another reported a 25% decrease in bug backlog. Overall, clients expressed satisfaction with the quality of work and alignment with their values, with no noted areas for improvement.
    Read 4 Recent Reviews
    17 of 23 Web Development reviews are 5 stars
    2 new reviews for Web Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Hosting Platform Development for Advertising & Marketing Co

    4.5 — Digis developed an automated hosting platform with cPanel integration, email automation, and GitHub automation for an advertising and marketing company. Read more
    Read 23 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (25) $50,000 to $199,999 (16) Less than $10,000 (8) $200,000 to $999,999 (6) $1,000,000 to $9,999,999 (4)

    What Clients Have Said

    Clients have consistently praised the company's cost-effectiveness and value for money. Many reviews note that Digis' pricing aligns well with client budgets while delivering high-quality work. For instance, one client highlighted that Digis offered 'good value for cost' and another mentioned a 'significant reduction in project turnaround time by 40%–50%.' Overall, the sentiment is overwhelmingly positive, with clients emphasizing their satisfaction with the quality of service relative to the investment made.
    Read All Reviews

    View projects from:

    United States (29) Germany (7) Ukraine (7) England (4) France (4) Israel (3) South Africa (2) Canada (2) Italy (2) Sweden (2) Spain (2) Ireland (1) Netherlands (1) New Zealand (1) Poland (1) Romania (1) Russia (1) Lithuania (1) Latvia (1) Japan (1) Australia (1) Georgia (1) Scotland (1) Estonia (1)
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  • Steer73 Logotype

    Steer73

    Not yet reviewed

    $10,000+
    Undisclosed
    10 - 49

    Services provided

    15% Web Development
    25% Mobile App Development
    20% Custom Software Development +3
    20% Enterprise App Modernization
    10% AR/VR Development
    10% BI & Big Data Consulting & SI

    Focus Areas

    11% JavaScript
    12% Kotlin
    11% AJAX +6
    11% ASP.NET
    11% Other programming & scripting languages
    11% PHP
    11% Python
    11% Ruby
    11% SQL

    Steer73 is a mobile application development company. They provide Mobile App Development and Custom Software Development and were launched in 2014.

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  • K Business Solutions Inc, Houston Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Blockchain
    15% Mobile App Development +6
    15% Search Engine Optimization
    10% Custom Software Development
    10% Low/No Code Development
    10% Web Design
    5% Branding
    5% Pay Per Click

    Focus Areas

    11% JavaScript
    22% Java
    16% Swift +9
    11% PHP
    5% ASP
    5% ASP.NET
    5% C
    5% C++
    5% Kotlin
    5% Python
    5% SQL
    5% XML

    K Business Solutions Inc, Houston is a SEO company. Launched in 2007, the company provides Search Engine Optimization and Web Design.

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  • Artel Logotype

    Not yet reviewed

    $25,000+
    $25 - $49 / hr
    250 - 999
    Beograd, Serbia

    Services provided

    10% Web Development
    15% AI Development
    10% HR Outsourcing +11
    10% Mobile App Development
    10% Recruiting
    5% AR/VR Development
    5% Blockchain
    5% E-Commerce Development
    5% Enterprise App Modernization
    5% Executive Search
    5% IoT Development
    5% PEO/Employee Leasing
    5% Product Design
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    15% Java
    15% Swift +9
    10% PHP
    10% Python
    10% Typescript
    5% C#
    5% C++
    5% Elixir
    5% Kotlin
    5% Ruby
    5% Rust

    AI company Artel was established in 2023. The team focuses on Artificial Intelligence and Web Development.

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  • NO FUD Inc. Logotype

    NO FUD Inc.

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    250 - 999

    Services provided

    10% Web Development
    10% AI Development
    10% Blockchain +7
    10% Custom Software Development
    10% E-Commerce Development
    10% IoT Development
    10% Mobile App Development
    10% Other Application Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    10% C++
    10% Java +7
    10% Kotlin
    10% Python
    10% Redux
    10% Rust
    10% Scala
    10% Swift
    10% Typescript

    In Miami, Florida, NO FUD Inc. Is a web design company. The team offers Web Design and UX/UI Design.

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  • STAIZEN Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    50 - 249
    Forest, Belgium

    Services provided

    10% Web Development
    10% AR/VR Development
    10% BI & Big Data Consulting & SI +13
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% IT Strategy Consulting
    5% AI Development
    5% Application Testing
    5% Blockchain
    5% E-Commerce Development
    5% IT Managed Services
    5% IT Staff Augmentation
    5% IoT Development
    2% Application Management & Support
    2% Enterprise App Modernization
    1% Mobile App Development

    Focus Areas

    16% JavaScript
    16% C#
    16% HTML5 +6
    16% Java
    16% Typescript
    5% Go
    5% Kotlin
    5% Python
    5% Swift

    IT strategy consulting company STAIZEN offers IT strategy consulting and BI & big data consulting & SI. They are headquartered in Forest, Belgium and Makati City, Philippines.

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  • BIG BAD WOLF Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Advertising
    20% Digital Strategy +3
    20% Mobile & App Marketing
    20% Web Design
    10% AR/VR Development

    Focus Areas

    13% JavaScript
    13% C#
    13% C++ +5
    13% PHP
    13% Python
    13% XML
    12% AJAX
    10% SQL

    In Rixensart, Belgium, BIG BAD WOLF is a small Advertising company. The team offers Advertising and Digital Strategy.

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  • Plurance Technologies Pvt Ltd Logotype

    Plurance Technologies Pvt Ltd

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Consulting
    10% AI Development +7
    10% AR/VR Development
    10% Blockchain
    10% Custom Software Development
    10% E-Commerce Development
    10% Generative AI
    10% IoT Development
    10% Mobile App Development

    Focus Areas

    13% JavaScript
    38% PHP
    25% Swift +2
    13% Java
    11% Kotlin

    Custom software development firm Plurance Technologies Pvt Ltd was established in 2022. Based in S S Colony, India, the team offers Custom Software Development and Web Development.

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  • Inocentum Technologies Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Business Consulting
    10% Custom Software Development +7
    10% Digital Strategy
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% Mobile App Development
    10% Other Application Development
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    20% JavaScript
    30% Python
    20% Kotlin +2
    20% PHP
    10% SQL

    Inocentum Technologies is a custom software development company. Their team is headquartered in Asansol, India. The firm specializes in Custom Software Development and Enterprise App Modernization.

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  • MONTEJ TECH Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% Custom Software Development +3
    15% IT Staff Augmentation
    15% Mobile App Development
    10% Other Application Development

    Focus Areas

    10% JavaScript
    20% Java
    10% AJAX +6
    10% Objective C
    10% PHP
    10% Python
    10% SQL
    10% Swift
    10% Typescript

    MONTEJ TECH, a small custom software development company, is located in Pimpri-Chinchwad, India. The team provides Custom Software Development and cloud consulting & SI.

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  • Narf AI Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% AI Development
    20% AI Consulting +3
    10% Generative AI
    10% Mobile App Development
    10% Other Application Development

    Focus Areas

    10% JavaScript
    50% Python
    20% C++ +2
    10% Go
    10% Redux

    Narf AI is an AI development company. The small Warszawa, Poland-based team specializes in Artificial Intelligence and Web Development. The firm was launched in 2019.

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  • Suruche Tech Logotype

    Suruche Tech

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% E-Commerce Development
    15% Mobile App Development +5
    15% UX/UI Design
    10% Custom Software Development
    10% ERP Consulting and SI
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    20% Kotlin
    20% SQL +5
    10% AJAX
    10% Java
    10% PHP
    10% Python
    10% Swift

    Suruche Tech is a web design agency. They provide Web Design and UX/UI Design and are headquartered in Indore, India.

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  • ELYOWN ENTERPRISES Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Advertising
    15% Search Engine Optimization +6
    10% Market Research
    10% Marketing Strategy
    10% Pay Per Click
    10% Social Media Marketing
    10% Web Design
    5% Branding

    Focus Areas

    17% JavaScript
    22% Java
    17% HTML5 +4
    17% Typescript
    11% jquery
    10% SQL
    6% PHP

    Launched in 2018, ELYOWN ENTERPRISES is an Advertising company. The team provides Advertising and Search Engine Optimization and is in Kusumbe Kh, India.

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  • Compugoal Innovation Lab Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Digital Strategy
    20% E-Commerce Development +7
    10% Mobile App Development
    10% Search Engine Optimization
    5% Branding
    5% Email Marketing
    5% Market Research
    5% Marketing Strategy
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    20% PHP
    20% Swift +5
    10% ASP.NET
    10% Ember.js
    10% Java
    10% Ruby
    10% SQL

    Digital Strategy company Compugoal Innovation Lab was launched in 1996. In Nairobi, Kenya, the team specializes in Digital Strategy and E-Commerce Development.

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  • Egitech Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Ho Chi Minh, Vietnam

    Services provided

    20% Web Development
    20% Blockchain
    20% Mobile App Development +3
    20% Other Application Development
    10% AR/VR Development
    10% Custom Software Development

    Focus Areas

    11% JavaScript
    11% C#
    11% C++ +8
    11% Java
    11% Python
    10% Ember.js
    10% PHP
    10% SQL
    5% Go
    5% Other programming & scripting languages
    5% XML

    Website development firm Egitech is headquartered in Ho Chi Minh, Vietnam. They offer Web Development and Mobile App Development.

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  • AgencyOf Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    Overland Park, KS

    Services provided

    10% Web Development
    10% AR/VR Development
    10% Custom Software Development +10
    10% Graphic Design
    10% Product Design
    10% UX/UI Design
    10% Web Design
    5% Advertising
    5% Branding
    5% Digital Strategy
    5% E-Commerce Development
    5% Marketing Strategy
    5% Social Media Marketing

    Focus Areas

    21% JavaScript
    69% PHP
    5% Redux +1
    5% Visual Basic

    AgencyOf is a web design company established in 2020. The company offers Web Design and UX/UI Design, and is small.

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  • TechGigs LLP Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    15% AR/VR Development +4
    15% E-Commerce Development
    10% Blockchain
    10% Custom Software Development
    10% Web Design

    Focus Areas

    11% JavaScript
    17% HTML5
    11% PHP +7
    11% Python
    11% SQL
    11% Swift
    10% Kotlin
    6% Ruby
    6% Typescript
    6% XML

    TechGigs LLP is a web development company founded in 2021. Their services include Web Development and Mobile App Development.

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  • PeerConcept Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49
    Timișoara, Romania

    Services provided

    20% Web Development
    30% AI Development
    20% Low/No Code Development +2
    20% Mobile App Development
    10% Web Design

    Focus Areas

    11% JavaScript
    17% Kotlin
    17% Redux +5
    11% AJAX
    11% ASP.NET
    11% PHP
    11% Python
    11% SQL

    PeerConcept is an artificial intelligence firm. Their team is based in Timișoara, Romania. The company provides Artificial Intelligence and Web Development.

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  • Techspurt Logotype

    Techspurt

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Digital Strategy
    25% Search Engine Optimization +3
    10% AR/VR Development
    10% Mobile App Development
    10% Pay Per Click

    Focus Areas

    16% JavaScript
    16% Java
    11% HTML5 +9
    11% PHP
    11% Python
    5% ASP.NET
    5% C#
    5% C++
    5% Ruby
    5% SQL
    5% Swift
    5% jquery

    Techspurt is a Digital Strategy company. Their small team is headquartered in and focuses on Digital Strategy and Search Engine Optimization. The agency was launched in 2015.

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  • Crypto Developers Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    50 - 249
    London, England

    Services provided

    10% Web Development
    35% Blockchain
    10% Custom Software Development +7
    10% Mobile App Development
    10% Web Design
    5% AI Development
    5% AR/VR Development
    5% Digital Strategy
    5% Marketing Strategy
    5% UX/UI Design

    Focus Areas

    10% JavaScript
    20% Other programming & scripting languages
    15% PHP +7
    15% Python
    10% Ruby
    10% SQL
    5% C
    5% C#
    5% C++
    5% Java

    Headquartered in London, England, Crypto Developers is a Blockchain company. They offer Blockchain and Web Design and were launched in 2022.

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  • getDev.io Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    50 - 249
    Budapest, Hungary

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Enterprise App Modernization +11
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Social Media Marketing
    5% AI Consulting
    5% AI Development
    5% AR/VR Development
    5% Application Testing
    5% E-Commerce Development
    5% Search Engine Optimization
    5% Staffing
    5% Web Design

    Focus Areas

    10% JavaScript
    15% C#
    15% Go +6
    15% Java
    10% PHP
    10% Python
    10% Rust
    10% Scala
    5% UnrealScript

    GetDev.io, a midsize social media marketing company, is based in Budapest, Hungary. The team focuses on Social Media Marketing and IT staff augmentation.

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  • Ucidity Logotype

    5.0 1 review
    $5,000+
    $150 - $199 / hr
    2 - 9
    Sydney, Australia

    Services provided

    15% Web Development
    13% Digital Strategy
    10% Graphic Design +12
    10% Other Digital Marketing
    10% Social Media Marketing
    10% Web Design
    5% Content Marketing
    5% Conversion Optimization
    5% E-Commerce Development
    5% Print Design
    5% UX/UI Design
    3% Logo
    2% Email Marketing
    1% Packaging Design
    1% Product Design

    Focus Areas

    15% JavaScript
    85% PHP

    Ucidity specializes in digital marketing, lead growth, and management, notably excelling in marketing strategy development and implementation. Reviews highlight Bernard Kassab's exceptional knowledge, creativity, and effective communication, leading to significant business growth and successful marketing campaigns. Clients consistently express satisfaction with Ucidity’s services and their impactful, responsive approach.

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  • Xoobo Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% E-Commerce Development
    10% UX/UI Design +13
    10% Web Design
    5% BI & Big Data Consulting & SI
    5% Branding
    5% CRM Consulting and SI
    5% Content Marketing
    5% Conversion Optimization
    5% Graphic Design
    5% Logo
    5% Marketing Strategy
    5% Media Planning & Buying
    5% Pay Per Click
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

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

    Xoobo is an user experience design agency based in Washington, District of Columbia. They specialize in UX/UI Design and E-Commerce Development and were established in 2015.

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  • Anamorphics, Inc. Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    Glendale, AZ

    Services provided

    10% Web Development
    10% Advertising
    10% Branding +7
    10% Digital Strategy
    10% Graphic Design
    10% Logo
    10% Marketing Strategy
    10% Print Design
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    60% PHP
    10% AJAX +1
    10% Other programming & scripting languages

    Advertising company Anamorphics, Inc. Was launched in 2001. The firm focuses on Advertising and UX/UI Design, and is small.

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  • Desoftware Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    Villa de Álvarez, Mexico

    Services provided

    20% Web Development
    70% Custom Software Development
    10% IT Strategy Consulting

    Focus Areas

    10% JavaScript
    40% PHP
    30% SQL +3
    10% AJAX
    5% Python
    5% XML

    Desoftware is a custom software development firm. They offer Custom Software Development and Web Development and were founded in 2006. The firm is located in Villa de Álvarez, Mexico.

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  • Criação de Sites Fast Websites Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    30% Web Design
    15% Mobile App Development +4
    10% Digital Strategy
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    15% JavaScript
    30% PHP
    15% Java +3
    15% SQL
    15% XML
    10% AJAX

    Small web design agency Criação de Sites Fast Websites, is in São Paulo, Brazil and Osasco, Brazil. The team focuses on Web Design and Mobile App Development.

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  • Tandm Digital Agency Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Pay Per Click
    20% Search Engine Optimization +6
    15% Web Design
    10% Social Media Marketing
    5% Content Marketing
    5% Digital Strategy
    5% Media Planning & Buying
    5% Other Digital Marketing

    Focus Areas

    15% JavaScript
    20% Python
    15% C++ +6
    15% Java
    15% PHP
    5% AJAX
    5% ASP.NET
    5% C#
    5% SQL

    Founded in 2017, Tandm Digital Agency is a pay per click agency. The team specializes in Pay Per Click and Search Engine Optimization and is headquartered in Toronto, Canada.

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  • Initforthe Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    75% Custom Software Development
    10% Mobile App Development +1
    5% Application Management & Support

    Focus Areas

    20% JavaScript
    60% Ruby
    10% AJAX +1
    10% SQL

    Initforthe, a small software development company, is located in Manchester, England. Their services include Custom Software Development and Mobile App Development.

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  • Sevenality Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    Celebration, FL

    Services provided

    10% Web Development
    20% Branding
    10% Business Consulting +7
    10% IoT Development
    10% Logo
    10% Print Design
    10% UX/UI Design
    10% Web Design
    5% AI Development
    5% Graphic Design

    Focus Areas

    20% JavaScript
    55% Other programming & scripting languages
    20% PHP +1
    5% AJAX

    Sevenality is a branding company. They are headquartered in Celebration, Florida and have small team of experts. Their services include Branding and UX/UI Design.

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  • Mad Icarus Media, Inc. Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Digital Strategy
    10% E-Commerce Development +9
    10% Email Marketing
    10% Pay Per Click
    10% Social Media Marketing
    10% UX/UI Design
    10% Video Production
    5% Content Marketing
    5% Conversion Optimization
    5% Search Engine Optimization
    5% Web Design

    Focus Areas

    20% JavaScript
    40% PHP
    20% AJAX +2
    15% SQL
    5% XML

    Mad Icarus Media, Inc., an user experience agency, was founded in 2014. The team focuses on UX/UI Design and Digital Strategy.

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  • RagVim Technologies Pvt. Ltd. Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    2 - 9
    Noida, India

    Services provided

    20% Web Development
    30% Mobile App Development
    20% E-Commerce Development +2
    20% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    20% Java
    20% PHP +4
    20% Swift
    15% Other programming & scripting languages
    10% SQL
    5% AJAX

    Mobile application development company RagVim Technologies Pvt. Ltd. Was established in 2014. The team offers Mobile App Development and UX/UI Design and is headquartered in Noida, India.

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  • Tienda Digital Logotype

    Not yet reviewed

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

    Services provided

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

    Focus Areas

    10% JavaScript
    70% PHP
    10% Swift +2
    5% Java
    5% SQL

    Tienda Digital is a software development company. Located in Preston, England, the agency was launched in 2016. Their services include Custom Software Development and Mobile App Development.

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  • eJeeban Design Studio Logotype

    eJeeban Design Studio

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Web Design
    10% Digital Strategy +9
    10% E-Commerce Development
    10% Pay Per Click
    10% Search Engine Optimization
    5% Email Marketing
    5% Graphic Design
    5% Logo
    5% Print Design
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    20% Other programming & scripting languages
    20% PHP +5
    10% AJAX
    10% SQL
    10% XML
    5% ASP
    5% ASP.NET

    EJeeban Design Studio is a web design company. They were launched in 2015, and their services include Web Design and Digital Strategy.

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  • All The Way Up Media Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Search Engine Optimization
    10% Content Marketing +7
    10% Conversion Optimization
    10% E-Commerce Development
    10% Email Marketing
    10% Pay Per Click
    10% Social Media Marketing
    10% Web Design
    5% Digital Strategy

    Focus Areas

    20% JavaScript
    70% PHP
    10% XML

    Founded in 2016, All The Way Up Media is a SEO company. Their services include Search Engine Optimization and Social Media Marketing.

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  • TrafficHub Logotype

    TrafficHub

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Search Engine Optimization
    15% Digital Strategy +4
    15% Social Media Marketing
    15% Web Design
    10% Content Marketing
    10% Conversion Optimization

    Focus Areas

    15% JavaScript
    50% PHP
    25% SQL +1
    10% XML

    SEO agency TrafficHub is in Brisbane, Australia. They offer Search Engine Optimization and Digital Strategy and were established in 2016.

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  • Digital Magus Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Search Engine Optimization
    10% Content Marketing +6
    10% Conversion Optimization
    10% Email Marketing
    10% Graphic Design
    10% Pay Per Click
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    20% JavaScript
    50% PHP
    20% SQL +1
    10% Other programming & scripting languages

    Digital Magus, a SEO company, is located in Indore, India and Narre Warren South, Australia. The team provides Search Engine Optimization and Content Marketing.

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  • Malaika Consultants Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    30% E-Commerce Development
    15% Mobile App Development +7
    14% IT Staff Augmentation
    6% IT Managed Services
    5% Application Management & Support
    5% Cloud Consulting & SI
    5% Custom Software Development
    5% Enterprise App Modernization
    5% IT Strategy Consulting

    Focus Areas

    20% JavaScript
    40% ASP.NET
    20% SQL +2
    10% C#
    10% Typescript

    Malaika Consultants is an e-commerce development firm. The agency is in Cary, North Carolina. Their services include E-Commerce Development and Mobile App Development.

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  • Minitzon Technologies (P) Ltd Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Cloud Consulting & SI
    15% E-Commerce Development +5
    15% Mobile App Development
    10% Application Testing
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design

    Focus Areas

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

    Minitzon Technologies (P) Ltd is a cloud consulting & SI company. The team specializes in cloud consulting & SI and Web Development and is headquartered in Chennai, India.

    Read more
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  • Better Typed Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Cloud Consulting & SI
    15% Blockchain +6
    15% Custom Software Development
    15% IT Strategy Consulting
    10% Mobile App Development
    5% AR/VR Development
    5% UX/UI Design
    5% Web Design

    Focus Areas

    20% JavaScript
    25% Go
    25% Typescript +2
    20% SQL
    10% Python

    Launched in 2021, Better Typed, a small cloud consulting & SI company, is headquartered in Kraków, Poland. Their services include cloud consulting & SI and IT strategy consulting.

    Read more
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  • DigiAvenir Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Content Marketing
    10% Conversion Optimization +7
    10% Digital Strategy
    10% E-Commerce Development
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    20% JavaScript
    65% PHP
    5% AJAX +2
    5% Java
    5% XML

    DigiAvenir is a Digital Strategy company. The Yamuna Nagar, India-based team provides Digital Strategy and Social Media Marketing.

    Read more
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  • Web321 Marketing Ltd. Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    2 - 9
    Saanichton, Canada

    Services provided

    10% Web Development
    50% IT Managed Services
    40% Web Design

    Focus Areas

    20% JavaScript
    30% PHP
    25% AJAX +1
    25% SQL

    Web321 Marketing Ltd. Is an IT managed services company. In Saanichton, Canada, their small team focuses on IT managed services and Web Design. The firm was launched in 2020.

    Read more
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  • Suzanne Harrison, Web Design + Build Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    Seattle, WA

    Services provided

    10% Web Development
    40% Web Design
    20% Branding +2
    20% Digital Strategy
    10% Search Engine Optimization

    Focus Areas

    20% JavaScript
    80% PHP

    Suzanne Harrison, Web Design + Build is a web design company. The small Seattle, Washington-based team provides Web Design and Branding. The firm was established in 2012.

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  • Netcomp Solutions Logotype

    Netcomp Solutions

    Not yet reviewed

    $1,000+
    $150 - $199 / hr
    2 - 9

    Services provided

    10% Web Development
    50% IT Managed Services
    20% Cybersecurity +2
    10% Cloud Consulting & SI
    10% IT Strategy Consulting

    Focus Areas

    20% JavaScript
    50% PHP
    20% SQL +1
    10% HTML5

    Netcomp Solutions is an IT managed services company established in 2002. The small team focuses on IT managed services and Cybersecurity.

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  • Orbit Labs Logotype

    Not yet reviewed

    Undisclosed
    $100 - $149 / hr
    2 - 9
    Hamburg, Germany

    Services provided

    20% Web Development
    40% Custom Software Development
    20% Mobile App Development +2
    15% E-Commerce Development
    5% API Development

    Focus Areas

    10% JavaScript
    10% C#
    10% HTML5 +7
    10% Java
    10% Kotlin
    10% Other programming & scripting languages
    10% Python
    10% Rust
    10% SQL
    10% Typescript

    Orbit Labs is a small Hamburg, Germany-based custom software development company. Their services include Custom Software Development and Web Development.

    Read more
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  • Dev2host Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% BI & Big Data Consulting & SI
    10% Content Writing Services +9
    10% E-Commerce Development
    10% Ecommerce Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    5% Content Marketing
    5% Digital Strategy
    5% Email Marketing
    5% Web Design

    Focus Areas

    20% JavaScript
    25% PHP
    20% Python +3
    20% SQL
    10% Other programming & scripting languages
    5% jquery

    Small social media marketing agency Dev2host, is based in Boulder, Colorado. Their services include Social Media Marketing and Search Engine Optimization.

    Read more
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  • Pivale Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    2 - 9
    Bordon, England

    Services provided

    10% Web Development
    20% Business Consulting
    10% API Development +6
    10% Custom Software Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% Graphic Design
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% Other programming & scripting languages
    20% PHP +3
    20% SQL
    10% HTML5
    10% Typescript

    Pivale is a Business Consulting company. The Bordon, England-based agency was founded in 2008. Their team specializes in Business Consulting and Web Design.

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  • U do Web Builder Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    35% Web Design
    15% Mobile App Development +3
    15% UX/UI Design
    10% Email Marketing
    10% Logo

    Focus Areas

    15% JavaScript
    20% PHP
    15% SQL +5
    10% HTML5
    10% Perl
    10% Python
    10% Ruby
    10% jquery

    Web design agency U do Web Builder is headquartered in Albert Park, Australia. Their services include Web Design and UX/UI Design.

    Read more
    View Profile
  • Graphicten Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Content Marketing
    20% Graphic Design +2
    20% Search Engine Optimization
    20% Web Design

    Focus Areas

    10% JavaScript
    90% PHP

    Graphicten is a Content Marketing company. The agency is based in Belleview, Florida. Their services include Content Marketing and Search Engine Optimization.

    Read more
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  • 352 Digital Logotype

    Not yet reviewed

    Undisclosed
    $100 - $149 / hr
    2 - 9
    Luxembourg, Luxembourg

    Services provided

    20% Web Development
    20% Advertising
    20% Branding +2
    20% Social Media Marketing
    20% Web Design

    Focus Areas

    10% JavaScript
    30% PHP
    20% HTML5 +3
    20% jquery
    10% AJAX
    10% SQL

    352 Digital is an Advertising company. Founded in 2016, the firm is based in Luxembourg, Luxembourg. Their services include Advertising and Branding.

    Read more
    View Profile
  • Code 66 Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    Freelancer
    Gignac-la-Nerthe, France

    Services provided

    20% Web Development
    20% AI Development
    20% API Development +2
    20% Low/No Code Development
    20% Search Engine Optimization

    Focus Areas

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

    Code 66 is a SEO company established in 2024. Their services include Search Engine Optimization and Web Development.

    Read more
    View Profile
  • Boost Digital Media Ltd Logotype

    Boost Digital Media Ltd

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% E-Commerce Development
    20% Logo +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    10% JavaScript
    80% PHP
    5% HTML5 +1
    5% SQL

    Boost Digital Media Ltd is a web design company. Founded in 2015, the team offers Web Design and UX/UI Design.

    Read more
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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 xfive
2 ImageX
3 Brainhub
4 ATEAM SOFT SOLUTIONS
5 The Software House
6 Xmartlabs
7 Airdev
8 WPWeb Infotech
9 Lizard Global
10 Softonix
11 INOXOFT
12 PopArt Studio
13 GeekyAnts
14 Incora
15 SpdLoad

List of the Top 15 JavaScript Development Companies

  1. xfive Logotype

    xfive

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

    Ability to deliver

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

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  2. ImageX Logotype

    ImageX

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

    Ability to deliver

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

    Service focus

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

    Brainhub

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

    Ability to deliver

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

    Service focus

    45% Web Development
    75% JavaScript
    55% Other
    View Profile Visit Website
  4. ATEAM SOFT SOLUTIONS Logotype

    ATEAM SOFT SOLUTIONS

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

    Ability to deliver

    38.5/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    50% Web Development
    50% JavaScript
    50% Other
    View Profile Visit Website
  5. The Software House Logotype

    The Software House

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

    Ability to deliver

    39.8/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

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

    Xmartlabs

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

    Ability to deliver

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

    Service focus

    50% Web Development
    35% JavaScript
    50% Other
    View Profile Visit Website
  7. Airdev Logotype

    Airdev

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

    Ability to deliver

    38.7/40.0
    19.4/20 Reviews
    9.6/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  8. 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

    65% Web Development
    20% JavaScript
    35% Other
    View Profile Visit Website
  9. Lizard Global Logotype

    Lizard Global

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

    Ability to deliver

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

    Service focus

    30% Web Development
    70% JavaScript
    70% Other
    View Profile Visit Website
  10. Softonix Logotype

    Softonix

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

    Ability to deliver

    36.5/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  11. INOXOFT Logotype

    INOXOFT

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

    Ability to deliver

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

    Service focus

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

    PopArt Studio

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

    Ability to deliver

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

    Service focus

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

    GeekyAnts

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

    Ability to deliver

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

    Service focus

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

    Incora

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

    Ability to deliver

    37.6/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  15. SpdLoad Logotype

    SpdLoad

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

    Ability to deliver

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

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  16. Brainium Information Technologies Logotype

    Brainium Information Technologies

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

    Ability to deliver

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

    Service focus

    35% Web Development
    30% JavaScript
    65% Other
    View Profile Visit Website
  17. Toptal Logotype

    Toptal

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

    Ability to deliver

    38.7/40.0
    18.8/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  18. 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
  20. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

    36.3/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  21. PowerGate Software Logotype

    PowerGate Software

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

    Ability to deliver

    38.7/40.0
    19.2/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    30% Web Development
    21% JavaScript
    70% Other
    View Profile Visit Website
  22. Experion Technologies Logotype

    Experion Technologies

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

    Ability to deliver

    36.9/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    Scopic

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

    Ability to deliver

    38.7/40.0
    19/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    25% Web Development
    25% JavaScript
    75% Other
    View Profile Visit Website
  24. 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
  25. Cleveroad Logotype

    Cleveroad

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

    Ability to deliver

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

    Service focus

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

    Human Made

    $50,000+
    $150 - $199 / hr
    50 - 249
    Matlock, England

    Ability to deliver

    37.8/40.0
    18/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    100% Web Development
    30% JavaScript
    View Profile Visit Website
  27. Blazity Logotype

    Blazity

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

    Ability to deliver

    37.3/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  28. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

    38/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    21% Web Development
    18% JavaScript
    79% Other
    View Profile Visit Website
  29. Vangwe Logotype

    Vangwe

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

    Ability to deliver

    38.3/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  30. Vincit Logotype

    Vincit

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

    Ability to deliver

    36.2/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
    View Profile Visit Website

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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