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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: December 22, 2025
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15 Leaders 15 Contenders

21,444 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 87 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    50% Web Development
    50% Custom Software Development

    Focus Areas

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

    Digis, a Fiverr company (NYSE: FVRR), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.

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    Reviews mention Puts the customer first

    The reviews highlight a strong customer-first sentiment from Digis, with clients praising their commitment to project success and adaptability. One CEO noted that Digis took responsibility for delays without charging extra, demonstrating a genuine investment in their client's goals. Another client appreciated the team's structured communication and hands-on support, which facilitated project management. Overall, clients expressed satisfaction with Digis' work ethic and dedication, emphasizing their willingness to go above and beyond for customer success.
    • CRM System for Mentorship Program Platform
      5.0 Jul 31, 2020

      The most impressive aspect of the company is their attitude and friendliness, professionalism and respect for the customer. This is particularly noteworthy given the youthful nature of the team. It was the most effective experience of cooperation with IT firms, where all work issues were resolved professionally and comfortably.

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    Read All Reviews
    6 of 6 reviews are 5 stars
    1 new review for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 6 times in the past 6 months

    Recent reviews for Digis highlight a strong overall sentiment, emphasizing excellent communication, timely delivery, and effective project management. Clients praised their quality of work, with one noting a 25% reduction in bug backlog and another highlighting increased conversions and improved user satisfaction. Specific feedback included the ability to adapt quickly to project needs and a solid understanding of Agile methodologies. No significant areas for improvement were identified, indicating high client satisfaction.
    Read 6 Recent Reviews
    5 of 5 JavaScript reviews are 5 stars
    2 new reviews for JavaScript in past 6 months
    $10,000 – $49,000 avg. project cost

    JavaScript Experience

    Digis has received overwhelmingly positive feedback from clients regarding their JavaScript services, with 92% of reviews highlighting strong project management and timely delivery. Clients frequently commend their top-tier developers and effective communication, resulting in faster feature delivery and enhanced productivity. Notably, 100% of reviewers did not identify any areas for improvement. The consistent ability to meet deadlines and provide quality solutions has made Digis a preferred partner for various projects, demonstrating their expertise in JavaScript-based applications.

    Read Most Recent Review

    Average Project Cost Breakdown

    $10,000 to $49,000 (24) $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 consistently praised Digis for their competitive pricing and strong value for money. Feedback highlighted that Digis' services fit within budget constraints while delivering high-quality work, leading to successful project outcomes. One client noted, 'Pricing fit our budget' and 'Good value for cost,' while another emphasized the 'excellent quality of work' relative to investment. Overall, clients expressed satisfaction with the return on investment, often noting timely deliverables and effective communication throughout the process.
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  • Ovantiko Logotype

    Ovantiko

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Application Testing
    10% CRM Consulting and SI +7
    10% Custom Software Development
    10% E-Commerce Development
    10% ERP Consulting and SI
    10% IT Staff Augmentation
    10% IoT Development
    10% Mobile App Development
    10% Other Application Development

    Focus Areas

    25% JavaScript
    25% C#
    25% Other programming & scripting languages +1
    25% PHP

    Ovantiko is a CRM consulting and SI company. The small Kyiv, Ukraine-based team offers CRM consulting and SI and ERP consulting and SI. The firm was established in 2019.

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  • AIPIXEL Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Mobile App Development
    15% E-Commerce Development +7
    14% Low/No Code Development
    10% Application Testing
    10% Content Marketing
    10% Social Media Marketing
    5% Application Management & Support
    5% Mobile & App Marketing
    1% Custom Software Development

    Focus Areas

    25% JavaScript
    30% Kotlin
    30% SQL +1
    15% C++

    AIPIXEL, a website development company, is in Lahore, Pakistan. They focus on Web Development and Mobile App Development and were founded in 2023.

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  • SRKP Technologies Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Digital Strategy
    20% E-Commerce Development +4
    20% Mobile App Development
    19% Low/No Code Development
    10% Web Design
    1% BI & Big Data Consulting & SI

    Focus Areas

    25% JavaScript
    20% HTML5
    15% PHP +4
    15% SQL
    10% Apex
    10% Other programming & scripting languages
    5% Scala

    SRKP Technologies, a Digital Strategy company, specializes in Digital Strategy and Web Development. The firm is headquartered in Uttarpara, India.

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  • Cardamom Agency Logotype

    Cardamom Agency

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +5
    20% UX/UI Design
    5% Branding
    5% IT Strategy Consulting
    5% Social Media Marketing
    5% Web Design

    Focus Areas

    15% JavaScript
    15% C#
    15% Kotlin +8
    15% Redux
    10% Other programming & scripting languages
    5% AJAX
    5% ASP.NET
    5% HTML5
    5% PHP
    5% SQL
    5% Swift

    Cardamom Agency is a small user experience agency based in ঢাকা, Bangladesh. Their services include UX/UI Design and Custom Software Development.

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  • Staffnow Logotype

    Staffnow

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Mobile App Development
    10% Content Marketing +6
    10% Custom Software Development
    10% Digital Strategy
    10% IT Staff Augmentation
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% Swift
    10% Go +8
    10% HTML5
    10% Kotlin
    5% Java
    5% Python
    5% Redux
    5% Rust
    5% SQL
    5% Typescript

    Website development firm Staffnow is headquartered in Dubai, United Arab Emirates and Hyderabad, India. They offer Web Development and Mobile App Development and were launched in 2022.

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  • Exilent Systems Logotype

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    10 - 49
    Melbourne, Australia

    Services provided

    20% Web Development
    10% AI Development
    10% Application Management & Support +7
    10% Custom Software Development
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% Mobile App Development
    5% Blockchain
    5% Cloud Consulting & SI

    Focus Areas

    15% JavaScript
    20% Typescript
    15% Java +5
    10% Objective C
    10% PHP
    10% Redux
    10% SQL
    10% Swift

    Exilent Systems is a small custom software development firm headquartered in Melbourne, Australia. Their services include Custom Software Development and Web Development.

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  • BeBee Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    دبي, United Arab Emirates

    Services provided

    25% Web Development
    40% Mobile App Development
    10% Custom Software Development +3
    10% E-Commerce Development
    10% UX/UI Design
    5% Web Design

    Focus Areas

    10% JavaScript
    35% Kotlin
    30% Swift +2
    15% Python
    10% PHP

    Small application development firm BeBee, is located in دبي, United Arab Emirates. Their services include Mobile App Development and Web Development.

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  • Hinty Logotype

    Hinty

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Branding
    15% Custom Software Development +5
    15% IT Strategy Consulting
    15% UX/UI Design
    10% AI Development
    10% Mobile App Development
    10% Staffing

    Focus Areas

    25% JavaScript
    45% Java
    15% Redux +1
    15% Typescript

    Hinty is a branding firm. Their small team of employees is in Wrocław, Poland. Their team provides Branding and UX/UI Design.

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  • Saptacode Technology Private Limited Logotype

    Saptacode Technology Private Limited

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Application Management & Support
    20% Mobile App Development +3
    20% Search Engine Optimization
    20% Social Media Marketing
    10% Low/No Code Development

    Focus Areas

    25% JavaScript
    35% Typescript
    15% HTML5 +3
    10% ASP.NET
    10% Kotlin
    5% Redux

    Social media marketing firm Saptacode Technology Private Limited was launched in 2022. The firm provides Social Media Marketing and Search Engine Optimization.

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  • Circle Global Services Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    St. Petersburg, FL

    Services provided

    25% Web Development
    15% Application Management & Support
    15% Custom Software Development +4
    15% Mobile App Development
    10% Blockchain
    10% E-Commerce Development
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    20% Python
    20% Ruby +5
    15% PHP
    15% Swift
    10% SQL
    5% Apex
    5% Java

    Circle Global Services, a small software development firm, is based in St. Petersburg, Florida and Lahore, Pakistan. Their services include Custom Software Development and Web Development.

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  • Whammy Tech Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Ho Chi Minh, Vietnam

    Services provided

    15% Web Development
    25% Custom Software Development
    15% E-Commerce Development +4
    15% Mobile App Development
    10% Application Testing
    10% Cloud Consulting & SI
    10% IT Strategy Consulting

    Focus Areas

    20% JavaScript
    25% Typescript
    20% Redux +3
    15% AJAX
    10% HTML5
    10% SQL

    Whammy Tech is a software development firm. They offer Custom Software Development and Web Development and were launched in 2020. The company is located in Ho Chi Minh, Vietnam.

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  • Hubble42 Inc. Logotype

    Hubble42 Inc.

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% AI Development
    15% AI Consulting +4
    15% Generative AI
    10% BI & Big Data Consulting & SI
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    20% JavaScript
    35% Python
    10% Java +5
    10% PHP
    10% SQL
    5% C#
    5% HTML5
    5% Typescript

    Hubble42 Inc. Is an artificial intelligence company. The company is headquartered in Mississauga, Canada. Their services include Artificial Intelligence and BI & big data consulting & SI.

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  • Sinope Technologies Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Navi Mumbai, India

    Services provided

    20% Web Development
    10% Digital Strategy
    10% E-Commerce Development +9
    10% Low/No Code Development
    10% Mobile App Development
    10% Web Design
    5% Advertising
    5% Branding
    5% Pay Per Click
    5% Search Engine Optimization
    5% Social Media Marketing
    5% UX/UI Design

    Focus Areas

    15% JavaScript
    25% HTML5
    25% PHP +3
    20% Kotlin
    10% Java
    5% SQL

    Sinope Technologies is a web design company. They were established in 2023 and focus on Web Design and Web Development.

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  • KAY Digital Hub Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% E-Commerce Development
    15% AI Development +5
    15% Search Engine Optimization
    10% API Development
    10% Low/No Code Development
    5% DevOps Managed Services
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    30% PHP
    15% AJAX +3
    15% SQL
    10% HTML5
    10% Typescript

    Established in 2022, KAY Digital Hub is a web development firm. The agency provides Web Development and E-Commerce Development.

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  • BAE INTERNET Logotype

    BAE INTERNET

    Not yet reviewed

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

    Services provided

    25% Web Development
    35% Mobile App Development
    20% UX/UI Design +2
    10% DevOps Managed Services
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% HTML5 +7
    10% Kotlin
    10% Objective C
    10% PHP
    10% Redux
    10% SQL
    10% Swift
    10% Typescript

    BAE INTERNET is a web development company. Their small team is headquartered in Wellesley, Massachusetts. Their services include Web Development and Mobile App Development.

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  • Swiftsense Consultancy & IT Services Private Limited Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Application Management & Support
    10% Custom Software Development +7
    10% Low/No Code Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    9% Enterprise App Modernization
    6% IT Strategy Consulting
    5% IT Managed Services

    Focus Areas

    25% JavaScript
    15% PHP
    10% Java +7
    10% Objective C
    10% SQL
    10% Typescript
    5% AJAX
    5% ASP.NET
    5% HTML5
    5% jquery

    Swiftsense Consultancy & IT Services Private Limited is an Application Management & Support company. Their team provides Application Management & Support.

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  • Hammani Tech Pvt. Ltd Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    25% Digital Strategy
    25% Graphic Design +2
    25% IT Strategy Consulting
    10% Low/No Code Development

    Focus Areas

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

    Hammani Tech Pvt. Ltd is a Digital Strategy company headquartered in Islamabad, Pakistan. Their services include Digital Strategy and Graphic Design.

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  • Silver Maple Co., Ltd Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Ha Noi, Vietnam

    Services provided

    25% Web Development
    25% Application Testing
    25% Mobile App Development +1
    25% UX/UI Design

    Focus Areas

    10% JavaScript
    45% Java
    30% Typescript +2
    10% Redux
    5% PHP

    User experience design agency Silver Maple Co., Ltd was founded in 2022. Located in Ha Noi, Vietnam, the team focuses on UX/UI Design and Web Development.

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  • We Technolabs Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    15% Custom Software Development
    15% Mobile App Development +6
    15% Web Design
    10% API Development
    8% Social Media Marketing
    5% Email Marketing
    5% UX/UI Design
    2% Content Marketing

    Focus Areas

    10% JavaScript
    15% PHP
    10% AJAX +10
    10% Kotlin
    10% Redux
    10% SQL
    5% HTML5
    5% Objective C
    5% Python
    5% Swift
    5% Typescript
    5% Visual Basic
    5% jquery

    Launched in 2020, We Technolabs is a web development company. The team specializes in Web Development and Web Design.

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  • The Honest Company Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Custom Software Development
    15% AI Development +4
    15% Blockchain
    15% Mobile App Development
    10% E-Commerce Development
    10% Product Design

    Focus Areas

    25% JavaScript
    30% PHP
    20% Java +2
    20% Typescript
    5% Kotlin

    Based in Noida, India, The Honest Company is a software development company. They offer Custom Software Development and Mobile App Development.

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  • Geeks Force Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% API Development
    15% Application Testing +6
    10% Application Management & Support
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    25% JavaScript
    25% Typescript
    20% Redux +3
    10% HTML5
    10% Kotlin
    10% Ruby

    Geeks Force is an Application Testing company founded in 2020. The small team provides Application Testing and API Development.

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  • AG InfoTech Logotype

    AG InfoTech

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% DevOps Managed Services
    20% E-Commerce Development +3
    20% UX/UI Design
    15% AI Development
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% Kotlin
    20% PHP +2
    20% Redux
    20% SQL

    AG InfoTech is a web development company. Based in Lahore, Pakistan, their small team offers Web Development and UX/UI Design. The firm was launched in 2020.

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  • verixeon technologies pvt ltd Logotype

    verixeon technologies pvt ltd

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Mobile App Development
    25% Staffing +1
    25% Web Design

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +8
    10% C++
    10% Java
    10% Python
    10% Redux
    10% Swift
    10% Typescript
    5% Apex
    5% Objective C

    Verixeon technologies pvt ltd is a web design company. Launched in 2018, the firm focuses on Web Design and Web Development.

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  • Tawaqalsoft Logotype

    Tawaqalsoft

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Blockchain
    15% IT Staff Augmentation +4
    15% IoT Development
    15% Mobile App Development
    15% Web Design
    10% Recruiting

    Focus Areas

    20% JavaScript
    20% HTML5
    20% PHP +2
    20% Python
    20% Ruby

    Small web design agency Tawaqalsoft, is in Mombasa, Kenya. The team offers Web Design and IT staff augmentation.

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  • Voxvit Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    35% Custom Software Development
    15% API Development +3
    15% Mobile App Development
    10% IT Staff Augmentation
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% Python
    20% Redux +2
    20% SQL
    20% Typescript

    Founded in 2019, Voxvit is a small Pereira, Colombia-based custom software development company. Their services include Custom Software Development and Web Development.

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  • MASEDigital Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    10 - 49
    Leschenault, Australia

    Services provided

    25% Web Development
    20% Mobile App Development
    20% UX/UI Design +3
    15% Custom Software Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    30% PHP
    20% Ruby +3
    20% SQL
    10% Python
    10% jquery

    Website development firm MASEDigital is located in Leschenault, Australia. Founded in 2023, the team offers Web Development and Web Design.

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  • Pixeltoworld Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Branding
    20% Mobile App Development +4
    20% Social Media Marketing
    10% AR/VR Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    25% JavaScript
    25% Java
    25% Python +1
    25% jquery

    Branding agency Pixeltoworld is based in Ahmedabad, India. They provide Branding and Social Media Marketing.

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  • Sodabees Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    10 - 49
    Karachi, Pakistan

    Services provided

    25% Web Development
    40% Mobile App Development
    15% Web Design +2
    10% Application Management & Support
    10% UX/UI Design

    Focus Areas

    10% JavaScript
    20% Kotlin
    15% Swift +6
    10% C#
    10% C++
    10% Java
    10% PHP
    10% SQL
    5% Python

    Mobile app development company Sodabees was established in 2024. In Karachi, Pakistan, the team provides Mobile App Development and Web Development.

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  • KuiperZ Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% API Development
    15% Custom Software Development +9
    10% DevOps Managed Services
    10% Search Engine Optimization
    10% Web Design
    5% Back Office Outsourcing
    5% Digital Strategy
    5% Employer of Record (EOR) Services
    5% IT Managed Services
    5% IT Strategy Consulting
    5% Social Media Marketing

    Focus Areas

    25% JavaScript
    30% PHP
    25% Python +2
    15% Typescript
    5% HTML5

    KuiperZ is a small software development company established in 2021. Their services include Custom Software Development and API Development.

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  • 360 Core Inc Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Dubai, United Arab Emirates

    Services provided

    10% Web Development
    25% Blockchain
    20% Mobile App Development +4
    15% Web Design
    10% API Development
    10% AR/VR Development
    10% Low/No Code Development

    Focus Areas

    25% JavaScript
    25% ASP.NET
    25% PHP +1
    25% SQL

    360 Core Inc, a web design agency, offers Web Design and Blockchain. The agency is based in Dubai, United Arab Emirates and Surat, India.

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  • Woodenclouds Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% Custom Software Development
    10% Branding +6
    10% Business Consulting
    10% Content Marketing
    10% E-Commerce Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% HTML5
    20% PHP +2
    20% Python
    20% SQL

    Founded in 2020, Woodenclouds is a small software development firm in Kochi, India. Their team focuses on Custom Software Development and Web Development.

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  • D2TEK Solutions Logotype

    D2TEK Solutions

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Mobile App Development
    15% Application Testing +4
    15% DevOps Managed Services
    15% Graphic Design
    15% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    25% JavaScript
    25% HTML5
    25% PHP +1
    25% Swift

    Established in 2016, D2TEK Solutions, a small web development company, is in Surat, India. Their services include Web Development and Mobile App Development.

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  • Exiver Projects Private Limited (Exiverlabs) Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Microservices Architecture Services
    10% IT Managed Services +10
    10% Web Design
    5% Cloud Consulting & SI
    5% Cybersecurity
    5% Digital Strategy
    5% IT Staff Augmentation
    5% IT Strategy Consulting
    5% Mobile App Development
    5% Other IT Consulting and SI
    5% Robotics Process Automation
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Java +2
    20% PHP
    20% jquery

    Exiver Projects Private Limited (Exiverlabs), a Microservices Architecture Services company, was launched in 2014. The team offers Microservices Architecture Services and Web Development.

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  • Digital Art Agency Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    15% E-Commerce Development
    10% Architectural Design +6
    10% Blockchain
    10% Custom Software Development
    10% DevOps Managed Services
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    15% Python
    10% Go +6
    10% HTML5
    10% PHP
    10% SQL
    10% Typescript
    10% jquery
    5% Redux

    Digital Art Agency is a website development firm. They are based in Kyiv, Ukraine and have small team. They offer Web Development and E-Commerce Development.

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  • Shucon Tech Logotype

    Shucon Tech

    Not yet reviewed

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

    Services provided

    20% Web Development
    15% AI Development
    15% API Development +4
    15% Computer Engineering
    15% Custom Software Development
    10% AI Consulting
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    15% Python
    10% Java +8
    10% Other programming & scripting languages
    10% PHP
    10% SQL
    10% jquery
    5% C++
    5% Go
    5% HTML5
    5% Typescript

    Software development firm Shucon Tech was launched in 2021. The company focuses on Custom Software Development and Web Development.

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  • Entangle Software Private Limited Logotype

    Entangle Software Private Limited

    Not yet reviewed

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

    Services provided

    20% Web Development
    10% AI Development
    10% API Development +6
    10% DevOps Managed Services
    10% E-Commerce Development
    10% Low/No Code Development
    10% Microservices Architecture Services
    10% Mobile App Development
    10% Other IT Consulting and SI

    Focus Areas

    15% JavaScript
    10% Go
    10% PHP +11
    10% SQL
    10% Typescript
    5% AJAX
    5% Java
    5% Other programming & scripting languages
    5% Python
    5% Redux
    5% Ruby
    5% Rust
    5% Swift
    5% jquery

    Established in 2022, Entangle Software Private Limited is a small Bihar Sharif, India-based web development firm. Their team focuses on Web Development and other IT consulting and SI.

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  • Elevon.io Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    10 - 49
    Bratislava, Slovakia

    Services provided

    10% Web Development
    20% API Development
    20% Mobile App Development +5
    10% AI Development
    10% Business Consulting
    10% Generative AI
    10% Low/No Code Development
    10% Microservices Architecture Services

    Focus Areas

    25% JavaScript
    25% Swift
    20% Typescript +3
    10% HTML5
    10% Redux
    10% SQL

    Headquartered in Bratislava, Slovakia, Elevon.io is a small web development company. Their services include Web Development and Mobile App Development.

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  • MEDIADECODE Logotype

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Mobile App Development
    25% UX/UI Design +2
    15% Custom Software Development
    10% IT Staff Augmentation

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% Java +9
    10% Kotlin
    10% PHP
    10% SQL
    10% Swift
    10% Visual Basic
    5% AJAX
    5% C#
    5% C++
    5% XML

    MEDIADECODE is an Islamabad, Pakistan-based user experience design company. They provide UX/UI Design and Web Development and were founded in 2023.

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  • Kamona Media Logotype

    Kamona Media

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Search Engine Optimization
    20% Social Media Marketing +4
    15% Video Marketing
    10% Email Marketing
    10% Pay Per Click
    10% Web Design

    Focus Areas

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

    Small social media marketing firm Kamona Media, is headquartered in Khulna, Bangladesh. Their services include Social Media Marketing and Search Engine Optimization.

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  • Rozana Tech inc Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Grande Prairie, Canada

    Services provided

    10% Web Development
    30% Custom Software Development
    25% Mobile App Development +3
    15% AI Development
    10% Low/No Code Development
    10% UX/UI Design

    Focus Areas

    25% JavaScript
    30% Python
    20% PHP +3
    10% Elixir
    10% Swift
    5% SQL

    Rozana Tech inc is a software development firm established in 2023. The company specializes in Custom Software Development and Mobile App Development, and is small.

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  • Axilsoft Limited Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Application Testing
    20% DevOps Managed Services +3
    20% E-Commerce Development
    20% Mobile App Development
    10% Low/No Code Development

    Focus Areas

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

    Axilsoft Limited, a website development firm, was established in 2024. Located in Khulna, Bangladesh, the team focuses on Web Development and Mobile App Development.

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  • AppsXone IT Solutions Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Cloud Consulting & SI
    20% Custom Software Development +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    15% JavaScript
    25% C#
    25% SQL +2
    20% jquery
    15% ASP.NET

    AppsXone IT Solutions is an UX company launched in 2012. The team focuses on UX/UI Design and cloud consulting & SI and is based in Hyderabad, Pakistan.

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  • MoonSys Logotype

    MoonSys

    Not yet reviewed

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

    Services provided

    25% Web Development
    25% Cloud Consulting & SI
    25% Custom Software Development +1
    25% Mobile App Development

    Focus Areas

    10% JavaScript
    20% Kotlin
    20% PHP +3
    20% Python
    20% Swift
    10% Typescript

    MoonSys is a cloud consulting & SI company. They are headquartered in Sheridan, Wyoming and have small team of experts. Their services include cloud consulting & SI and Custom Software Development.

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  • Mappoptimist Technologies Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    28% AI Development
    20% Generative AI +2
    19% Custom Software Development
    18% Mobile App Development

    Focus Areas

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

    Mappoptimist Technologies is an artificial intelligence development company. They are in New Delhi, India. Their team specializes in Artificial Intelligence and Generative AI.

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  • Anemoia Logotype

    Anemoia

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% Mobile App Development
    15% Custom Software Development +7
    10% Application Testing
    10% DevOps Managed Services
    10% E-Commerce Development
    5% Graphic Design
    5% Product Design
    5% UX/UI Design
    5% Web Design

    Focus Areas

    20% JavaScript
    15% PHP
    15% Python +5
    15% Typescript
    10% ASP.NET
    10% HTML5
    10% SQL
    5% Redux

    Anemoia is a SEO agency. They are based in Wah Cantt, Pakistan. Their team specializes in Search Engine Optimization and Web Design.

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  • InsightSol Technologies Logotype

    InsightSol Technologies

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% AI Development
    20% AI Consulting +2
    20% Mobile App Development
    10% Branding

    Focus Areas

    15% JavaScript
    20% Python
    15% jquery +10
    5% ASP
    5% ASP.NET
    5% C
    5% C#
    5% C++
    5% Java
    5% Kotlin
    5% Redux
    5% Typescript
    5% XML

    InsightSol Technologies is an AI development company. Launched in 2023, their team specializes in Artificial Intelligence and Web Development.

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  • Enginecy Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    10 - 49
    Tampa, FL

    Services provided

    15% Web Development
    15% Web Design
    10% Branding +6
    10% Email Marketing
    10% Graphic Design
    10% Media Planning & Buying
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

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

    In Tampa, Florida and Abu Dhabi, United Arab Emirates, Enginecy is a small web design agency. The team focuses on Web Design and Web Development.

    Read more
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  • IT CYBX LTD Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Cybersecurity
    20% Digital Strategy +3
    20% Graphic Design
    10% Pay Per Click
    10% Search Engine Optimization

    Focus Areas

    15% JavaScript
    60% PHP
    25% SQL

    IT CYBX LTD is a Digital Strategy company. Their team is headquartered in Islamabad, Pakistan and specializes in Digital Strategy and Graphic Design.

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  • Finesse Ink Logotype

    Finesse Ink

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Branding
    20% Product Design +2
    20% UX/UI Design
    20% Web Design

    Focus Areas

    15% JavaScript
    20% SQL
    15% Java +5
    10% ASP.NET
    10% Ember.js
    10% Python
    10% Redux
    10% Ruby

    Launched in 2022, Finesse Ink is a branding firm. The team offers Branding and Web Design.

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  • Nexenstial LLP Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    10 - 49
    Dharwad, India

    Services provided

    20% Web Development
    35% Custom Software Development
    15% ERP Consulting and SI +2
    15% IT Managed Services
    15% Mobile App Development

    Focus Areas

    15% JavaScript
    45% PHP
    20% AJAX +1
    20% SQL

    Nexenstial LLP is a custom software development firm. They were established in 2020 and offer Custom Software Development and Web Development.

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Ability to deliver
Focus
Clutch Leaders Matrix

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

1 Brainhub
2 xfive
3 ImageX
4 The Software House
5 ATEAM SOFT SOLUTIONS
6 Airdev
7 Xmartlabs
8 Toptal
9 Softonix
10 INOXOFT
11 Lizard Global
12 PopArt Studio
13 GeekyAnts
14 SpdLoad
15 Techuz InfoWeb Pvt. Ltd.

List of the Top 15 JavaScript Development Companies

  1. Brainhub Logotype

    Brainhub

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

    Ability to deliver

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

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  2. 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
  3. 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
  4. The Software House Logotype

    The Software House

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

    Ability to deliver

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

    Service focus

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

    ATEAM SOFT SOLUTIONS

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

    Ability to deliver

    37.7/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

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

    Airdev

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

    Ability to deliver

    38.9/40.0
    19.6/20 Reviews
    9.6/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

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

    Xmartlabs

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

    Ability to deliver

    39.3/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

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

    Toptal

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

    Ability to deliver

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

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  9. Softonix Logotype

    Softonix

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

    Ability to deliver

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

    Service focus

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

    INOXOFT

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

    Ability to deliver

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

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  11. 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
  12. PopArt Studio Logotype

    PopArt Studio

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

    Ability to deliver

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

    Service focus

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

    GeekyAnts

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

    Ability to deliver

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

    Service focus

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

    SpdLoad

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

    Ability to deliver

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

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  15. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

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

    Ability to deliver

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

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  16. 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
  17. Sigma Software Group Logotype

    Sigma Software Group

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

    Ability to deliver

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

    Service focus

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

    Incora

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

    Ability to deliver

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

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  20. 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
  21. Brainium Information Technologies Logotype

    Brainium Information Technologies

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

    Ability to deliver

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

    Service focus

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

    WPWeb Infotech

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

    Ability to deliver

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

    Service focus

    65% Web Development
    20% JavaScript
    35% Other
    View Profile Visit Website
  23. 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
  24. Human Made Logotype

    Human Made

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

    Ability to deliver

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

    Service focus

    100% Web Development
    30% JavaScript
    View Profile Visit Website
  25. Probey Services Logotype

    Probey Services

    $1,000+
    < $25 / hr
    1,000 - 9,999
    Los Angeles, CA

    Ability to deliver

    36.9/40.0
    19.6/20 Reviews
    9.3/10 Clients & Experience
    8/10 Market Presence

    Service focus

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

    Blazity

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

    Ability to deliver

    37.8/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

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

    XWP

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

    Ability to deliver

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

    Service focus

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

    Vincit

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

    Ability to deliver

    36.4/40.0
    16.4/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
    View Profile Visit Website
  29. PowerGate Software Logotype

    PowerGate Software

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

    Ability to deliver

    37.9/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

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

    Arcanys

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

    Ability to deliver

    38.1/40.0
    19.4/20 Reviews
    10/10 Clients & Experience
    8.7/10 Market Presence

    Service focus

    30% Web Development
    20% 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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