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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 28, 2025
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15 Leaders 15 Contenders

21,456 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.

    See all 87 projects
    6 of 6 reviews are 5 stars
    1 new review for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 6 times in the past 6 months

    Recent reviews 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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    $50,000 Best for Small Companies $75,000 Best for Medium Companies $100,000 Best for Enterprises

    Custom Product Development

    Our specialists around the globe provide the expertise and development resources to scale your IT products and achieve success.
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  • Aston ITM Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Custom Software Development
    15% AI Consulting +3
    15% AI Development
    10% IT Strategy Consulting
    10% Mobile App Development

    Focus Areas

    40% JavaScript
    35% Java
    20% Typescript +1
    5% Kotlin

    Established in 1996, Aston ITM, a small software development firm, is in Bratislava, Slovakia and Bratislava, Slovakia. Their services include Custom Software Development and Web Development.

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  • Pineapplelab Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    15% API Development +6
    15% Custom Software Development
    10% Web Design
    5% AI Development
    5% Branding
    5% Microservices Architecture Services
    5% Social Media Marketing

    Focus Areas

    10% JavaScript
    45% Typescript
    20% Other programming & scripting languages +3
    15% C#
    5% HTML5
    5% SQL

    Pineapplelab is a web development firm. The Montevideo, Uruguay-based agency was founded in 2012. Their services include Web Development and Mobile App Development.

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  • Avezor Soft Logotype

    Avezor Soft

    1.0 1 review
    $5,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    40% Web Development
    10% CRM Consulting and SI
    10% Custom Software Development +4
    10% Graphic Design
    10% Logo
    10% UX/UI Design
    10% Web Design

    Focus Areas

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

    Avezor Soft is a web development company specializing in frontend design and modern design techniques. Reviews indicate initial satisfaction with their frontend work, but concerns arose over project management and adherence to project requirements. Approximately 50% of the project went unfulfilled, highlighting issues with communication and delivery.

    See all 1 projects

    Industry Experience

    Avezor Soft has experience primarily in the IT Services industry, with a focus on web-based platform development. Feedback indicates strengths in frontend design and modern design techniques; however, concerns arise regarding project management, communication, and adherence to client requirements. The overall sentiment is mixed, highlighting initial satisfaction that deteriorated due to misalignment and responsiveness issues. This suggests that potential clients in IT Services seeking design expertise may find value, but should consider their project management capabilities.

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    Select Industry to see insights

    IT Services

    Average Project Cost Breakdown

    Less than $10,000 (1)

    What Clients Have Said

    Clients generally express dissatisfaction with Avezor Soft's value for money, citing issues with project scope and deliverables. One client invested approximately $2,000 but reported a lack of responsiveness and failure to meet deadlines, leading to financial loss. Although initial frontend designs were praised, the overall sentiment reflects concerns about the company's ability to deliver on promises and effectively manage projects, ultimately questioning their cost-effectiveness.
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  • Primal Skill Logotype

    Not yet reviewed

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

    Services provided

    40% Web Development
    15% Custom Software Development
    10% E-Commerce Development +5
    10% IT Strategy Consulting
    10% Mobile App Development
    5% Other Application Development
    5% UX/UI Design
    5% Web Design

    Focus Areas

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

    Primal Skill is a web development company. The agency is based in Târgu Mureș, Romania. Their services include Web Development and Custom Software Development.

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  • 33wSoftware Logotype

    Not yet reviewed

    $100,000+
    $50 - $99 / hr
    10 - 49
    Poznań, Poland

    Services provided

    30% Web Development
    30% Mobile App Development
    15% Web Design +4
    10% UX/UI Design
    5% Branding
    5% IoT Development
    5% Product Design

    Focus Areas

    30% JavaScript
    45% Typescript
    10% PHP +2
    10% SQL
    5% Other programming & scripting languages

    33wSoftware is a web development firm. Their small team is in Poznań, Poland. Their services include Web Development and Mobile App Development.

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  • YMB Logotype

    YMB

    Not yet reviewed

    $1,000+
    < $25 / hr
    Freelancer

    Services provided

    50% Web Development
    50% Web Design

    Focus Areas

    15% JavaScript
    50% PHP
    15% SQL +2
    10% AJAX
    10% jquery

    YMB is a web design agency and web development company. Their team is located in Ruva Part, India. The firm focuses on Web Design and Web Development.

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  • Fyin.com Logotype

    Not yet reviewed

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

    Services provided

    50% Web Development
    25% Custom Software Development
    25% Web Design

    Focus Areas

    20% JavaScript
    30% ASP.NET
    30% C# +2
    10% HTML5
    10% SQL

    Fyin.com, a website development company, was founded in 1999. The firm specializes in Web Development and Web Design.

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  • SwiftRoot Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    2 - 9
    Calgary, Canada

    Services provided

    45% Web Development
    50% Custom Software Development
    5% Digital Strategy

    Focus Areas

    20% JavaScript
    80% PHP

    SwiftRoot is a software development company. They provide Custom Software Development and Web Development and were founded in 2015. The agency is headquartered in Calgary, Canada.

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  • Remote Partner Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    2 - 9
    Braga, Portugal

    Services provided

    15% Web Development
    15% Custom Software Development
    15% IT Staff Augmentation +10
    10% Mobile App Development
    5% AI Development
    5% BI & Big Data Consulting & SI
    5% Cloud Consulting & SI
    5% E-Commerce Development
    5% Enterprise App Modernization
    5% IT Strategy Consulting
    5% IoT Development
    5% UX/UI Design
    5% Web Design

    Focus Areas

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

    Remote Partner is an IT staff augmentation company launched in 2020. The small team specializes in IT staff augmentation and Custom Software Development.

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  • PNN Soft Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    50 - 249
    Kyiv, Ukraine

    Services provided

    20% Web Development
    50% Custom Software Development
    20% Mobile App Development +1
    10% IT Staff Augmentation

    Focus Areas

    10% JavaScript
    30% Java
    20% ASP.NET +4
    15% C#
    15% Objective C
    5% AJAX
    5% Other programming & scripting languages

    PNN Soft, a custom software development firm, specializes in Custom Software Development and Mobile App Development. The company is headquartered in Kyiv, Ukraine and London, England.

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  • Astronaut Penguin Devs Logotype

    Astronaut Penguin Devs

    Not yet reviewed

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

    Services provided

    55% Web Development
    30% Blockchain
    15% Web Design

    Focus Areas

    15% JavaScript
    50% Typescript
    20% Redux +3
    5% PHP
    5% SQL
    5% XML

    Astronaut Penguin Devs is a web development firm. Established in 2022, their team offers Web Development and Blockchain.

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  • madewithlove Logotype

    Not yet reviewed

    $100,000+
    $50 - $99 / hr
    10 - 49
    Leuven, Belgium

    Services provided

    25% Web Development
    20% Mobile App Development
    15% Application Management & Support +5
    15% Custom Software Development
    10% Business Consulting
    5% HR Consulting
    5% IT Strategy Consulting
    5% Recruiting

    Focus Areas

    30% JavaScript
    50% PHP
    10% Redux +1
    10% Swift

    Madewithlove, a web development company, specialize in Web Development and Mobile App Development. They were founded in 2008.

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  • BIWOCO Logotype

    Not yet reviewed

    $250,000+
    < $25 / hr
    10 - 49
    Can Tho, Vietnam

    Services provided

    35% Web Development
    40% Mobile App Development
    10% Custom Software Development +2
    10% Low/No Code Development
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    60% Python
    20% Typescript

    BIWOCO is a web development company. Founded in 2021, their team provides Web Development and Mobile App Development.

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  • Colorful Dots, LLC Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    2 - 9
    New York, NY

    Services provided

    20% Web Development
    60% Mobile App Development
    20% UX/UI Design

    Focus Areas

    30% JavaScript
    10% Java
    10% Objective C +7
    10% Python
    10% Redux
    10% Swift
    5% Go
    5% PHP
    5% Ruby
    5% SQL

    Colorful Dots, LLC is a mobile app development firm located in New York, New York. They offer Mobile App Development and UX/UI Design.

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  • ZeeRank Logotype

    5.0 2 reviews
    $10,000+
    < $25 / hr
    50 - 249
    Rawalpindi, Pakistan

    Services provided

    20% Web Development
    40% Web Design
    10% E-Commerce Development +7
    8% Logo
    5% Blockchain
    5% Graphic Design
    5% Search Engine Optimization
    3% Pay Per Click
    3% Wearable App Development
    1% Mobile App Development

    Focus Areas

    20% JavaScript
    70% PHP
    10% C++

    ZeeRank offers website design, development services, and mobile game development. The overall feedback highlights their high skill level, smooth project management, and ability to meet client requirements effectively. Clients appreciate their professionalism, responsiveness, and reasonable pricing, making ZeeRank a reliable choice for technology and creative solutions.

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  • QUAZOM Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    Mykolaiv, Ukraine

    Services provided

    30% Web Development
    40% Mobile App Development
    10% AR/VR Development +4
    10% Application Testing
    5% Application Management & Support
    3% Pay Per Click
    2% Blockchain

    Focus Areas

    10% JavaScript
    31% C#
    30% PHP +1
    29% SQL

    Launched in 2011, QUAZOM is a midsize application development firm headquartered in Mykolaiv, Ukraine. Their team focuses on Mobile App Development and Web Development.

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  • Custom Website Agency Logotype

    Custom Website Agency

    3.0 2 reviews
    $1,000+
    $100 - $149 / hr
    250 - 999

    Services provided

    10% Web Development
    20% Branding
    20% Email Marketing +4
    20% Social Media Marketing
    10% Logo
    10% Mobile App Development
    10% Web Design

    Focus Areas

    10% JavaScript
    10% Apex
    10% Ember.js +7
    10% Java
    10% Other programming & scripting languages
    10% PHP
    10% Perl
    10% Python
    10% Ruby
    10% SQL

    Custom Website Agency offers comprehensive Website Development and Web Design services, including logo creation and user-friendly web interfaces. Client reviews highlight the agency's exceptional creativity, attention to detail, and commitment to deadlines. Customers appreciate their responsive communication and client-centric approach, although there is room for improvement in project progress transparency.

    See all 2 projects

    Industry Experience

    Custom Website Agency has received predominantly negative feedback from clients in the consulting industry, particularly in financial and management consulting. Clients reported issues with project management, inadequate deliverables, and poor communication, resulting in dissatisfaction with the website design and branding efforts. The overall sentiment reflects a lack of professionalism and reliability, indicating that this provider may not be a suitable match for consulting firms seeking quality web services.

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    Select Industry to see insights

    Consulting

    Average Project Cost Breakdown

    Less than $10,000 (1)

    What Clients Have Said

    The feedback regarding Custom Website Agency's cost and value for money is predominantly negative. One client highlighted that their pricing initially fit the budget; however, the project resulted in unsatisfactory deliverables, with claims of inadequate website design and a lack of promised marketing services. The client expressed frustration over poor communication and alleged dishonesty, stating, "They stole my money and I would recommend others not to do any business with this company." Overall, the sentiment reflects a poor value for the investment made.
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  • Hexadecimal Software Logotype

    Not yet reviewed

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

    Services provided

    50% Web Development
    20% Custom Software Development
    10% Mobile App Development +3
    10% Other Application Development
    5% Application Management & Support
    5% Application Testing

    Focus Areas

    25% JavaScript
    25% Java
    10% SQL +7
    10% Typescript
    5% AJAX
    5% Go
    5% HTML5
    5% PHP
    5% Python
    5% Swift

    Web development firm Hexadecimal Software is located in Noida, India. The team offers Web Development and Custom Software Development.

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  • Nexteum Logotype

    Nexteum

    Not yet reviewed

    $50,000+
    $25 - $49 / hr
    250 - 999

    Services provided

    55% Web Development
    30% Custom Software Development
    15% Mobile App Development

    Focus Areas

    10% JavaScript
    50% PHP
    15% Java +3
    15% SQL
    5% AJAX
    5% Redux

    Website development company Nexteum was founded in 2015. The team focuses on Web Development and Custom Software Development.

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  • baseTOP Logotype

    baseTOP

    Not yet reviewed

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

    Services provided

    10% Web Development
    25% Video Production
    20% UX/UI Design +5
    15% Web Design
    10% Custom Software Development
    10% Product Design
    5% Graphic Design
    5% Video Marketing

    Focus Areas

    25% JavaScript
    15% PHP
    10% C# +6
    10% C++
    10% HTML5
    10% Java
    10% SQL
    5% XML
    5% jquery

    BaseTOP is a video production agency. They were established in 2023 and offer Video Production and UX/UI Design.

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  • Digital Agency Longway Media Logotype

    5.0 1 review
    $1,000+
    $25 - $49 / hr
    2 - 9
    istanbul, Türkiye

    Services provided

    10% Web Development
    35% Web Design
    20% Search Engine Optimization +4
    10% E-Commerce Development
    10% Low/No Code Development
    10% Pay Per Click
    5% Social Media Marketing

    Focus Areas

    25% JavaScript
    65% PHP
    10% XML

    Digital Agency Longway Media specializes in website design, development, content creation, and search engine optimization. Reviews highlight their success in increasing website traffic, generating leads, and boosting sales, with clients praising their ability to deliver visually appealing and user-friendly websites. Their project management and alignment with client values are also highly commended.

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  • USERADGENTS Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Paris, France

    Services provided

    30% Web Development
    30% E-Commerce Development
    30% Mobile App Development +1
    10% UX/UI Design

    Focus Areas

    30% JavaScript
    30% Objective C
    30% Swift +1
    10% Kotlin

    USERADGENTS is an e-commerce development company. They offer E-Commerce Development and Mobile App Development and were founded in 2008.

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  • Dusted Logotype

    Not yet reviewed

    $50,000+
    $100 - $149 / hr
    10 - 49
    London, England

    Services provided

    20% Web Development
    40% Branding
    20% Marketing Strategy +1
    20% Web Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% PHP +3
    20% XML
    10% SQL
    10% jquery

    Dusted, a branding company, is in London, England. They provide Branding and Web Development and were established in 2004.

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  • Webdigi Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    10 - 49
    London, England

    Services provided

    30% Web Development
    20% Mobile App Development
    20% Social Media Marketing +2
    20% UX/UI Design
    10% AR/VR Development

    Focus Areas

    41% JavaScript
    20% PHP
    10% Other programming & scripting languages +5
    10% SQL
    6% AJAX
    5% C++
    5% Objective C
    3% Swift

    Webdigi is a web development firm. They are located in London, England and have small team of experts. Their services include Web Development and UX/UI Design.

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  • Coaldev Logotype

    5.0 1 review
    $10,000+
    $50 - $99 / hr
    10 - 49
    Toronto, Canada

    Services provided

    10% Web Development
    25% AI Consulting
    20% AI Development +3
    20% API Development
    20% Custom Software Development
    5% Generative AI

    Focus Areas

    30% JavaScript
    50% Python
    20% Go

    CoalDev designs and delivers full-stack AI systems that turn complex operations into measurable business outcomes. We specialize in building AI, automation, and LLM-powered applications that plug

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  • Good Code Logotype

    Not yet reviewed

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

    Services provided

    40% Web Development
    40% Web Design
    20% UX/UI Design

    Focus Areas

    35% JavaScript
    50% Python
    10% Other programming & scripting languages +1
    5% C

    Good Code is a Zagreb, Croatia-based web design agency. The team specializes in Web Design and Web Development.

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  • Crucial App Concepts, Inc. Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Katy, TX

    Services provided

    25% Web Development
    45% Mobile App Development
    10% AR/VR Development +4
    5% Custom Software Development
    5% Enterprise App Modernization
    5% IT Strategy Consulting
    5% Other Application Development

    Focus Areas

    67% JavaScript
    22% C#
    6% Swift +1
    5% PHP

    Established in 2013, Crucial App Concepts, Inc. Is a small app development firm. Their team provides Mobile App Development and Web Development.

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  • SignUp Solution Logotype

    5.0 1 review
    $1,000+
    $100 - $149 / hr
    50 - 249
    Rawalpindi, Pakistan

    Services provided

    15% Web Development
    15% Graphic Design
    15% Mobile App Development +4
    15% Search Engine Optimization
    15% Video Production
    15% Web Design
    10% Print Design

    Focus Areas

    50% JavaScript
    50% HTML5

    SignUp Solution offers Website Development and Web Design services, demonstrating strong commitment and timely delivery. Reviewers highlight their impressive work ethic and ability to meet deadlines, making them a valuable partner for projects requiring Web Dev and Web Programming expertise. The company's pricing is considered a good value for the quality provided.

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  • California Web Coders Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    San Diego, CA

    Services provided

    15% Web Development
    15% E-Commerce Development
    15% Search Engine Optimization +5
    15% Social Media Marketing
    10% Cybersecurity
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Logo

    Focus Areas

    100% JavaScript

    In San Diego, California, California Web Coders is a midsize social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.

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  • Xlance Collective Logotype

    Xlance Collective

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

    Services provided

    20% Web Development
    60% Mobile App Development
    10% Custom Software Development +1
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    40% Python
    25% Typescript +1
    15% HTML5

    Xlance Collective provides Website Development and Online Development services, focusing on delivering tailored solutions such as mobile apps, admin portals, and websites. Clients appreciate their professional communication and timely delivery, noting the value for cost and geographic convenience. Despite being a start-up, Xlance Collective exceeds expectations with their Web Programming expertise.

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  • Astrails Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    Berlin, Germany

    Services provided

    40% Web Development
    40% Custom Software Development
    10% Mobile App Development +2
    5% Enterprise App Modernization
    5% UX/UI Design

    Focus Areas

    46% JavaScript
    40% Ruby
    10% Python +2
    2% C
    2% Java

    Small software development firm Astrails, is in Ramat Gan, Israel and Berlin, Germany. Their services include Custom Software Development and Web Development.

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  • umobility Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    50% Custom Software Development
    20% Mobile App Development +1
    10% IoT Development

    Focus Areas

    50% JavaScript
    25% PHP
    25% SQL

    Umobility is a custom software development company. Established in 2021, the team focuses on Custom Software Development and Web Development.

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  • Labs42 Logotype

    Not yet reviewed

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

    Services provided

    30% Web Development
    30% Custom Software Development
    30% Mobile App Development +1
    10% Application Testing

    Focus Areas

    80% JavaScript
    5% ASP.NET
    5% Java +2
    5% Kotlin
    5% Swift

    Labs42 is a Chișinău, Moldova-based custom software development firm. Their services include Custom Software Development and Mobile App Development.

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  • Inprox Logotype

    Not yet reviewed

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

    Services provided

    40% Web Development
    50% IT Staff Augmentation
    10% IT Managed Services

    Focus Areas

    40% JavaScript
    60% PHP

    Small IT staff augmentation company Inprox, is headquartered in Gdańsk, Poland. The team provides IT staff augmentation and Web Development.

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  • Burz Media Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Cluj-Napoca, Romania

    Services provided

    30% Web Development
    50% Web Design
    20% Social Media Marketing

    Focus Areas

    50% JavaScript
    50% Java

    Burz Media is a web design agency. The Cluj-Napoca, Romania-based agency focuses on Web Design and Web Development.

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  • Last Door Logotype

    Not yet reviewed

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

    Services provided

    40% Web Development
    20% UX/UI Design
    15% E-Commerce Development +3
    10% Custom Software Development
    10% Product Design
    5% Web Design

    Focus Areas

    40% JavaScript
    40% PHP
    20% ASP.NET

    Established in 2003, Last Door is a small website development firm headquartered in Kathmandu, Nepal. Their team provides Web Development and UX/UI Design.

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  • Exandia Inc. Logotype

    Not yet reviewed

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

    Services provided

    30% Web Development
    50% Custom Software Development
    20% Mobile App Development

    Focus Areas

    50% JavaScript
    25% SQL
    15% Ruby +1
    10% HTML5

    Exandia Inc., a custom software development company, was established in 2018. The team focuses on Custom Software Development and Web Development.

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  • Monki Logotype

    Monki

    Not yet reviewed

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

    Services provided

    30% Web Development
    20% UX/UI Design
    20% Web Design +3
    15% E-Commerce Development
    10% Product Design
    5% DevOps Managed Services

    Focus Areas

    30% JavaScript
    40% PHP
    20% Python +1
    10% Java

    Monki is a web development firm. Their small team is located in Villa el Salvador, Peru. Their services include Web Development and Web Design.

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  • Softtodo Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Sfax, Tunisia

    Services provided

    30% Web Development
    70% Custom Software Development

    Focus Areas

    50% JavaScript
    50% PHP

    Softtodo, a software development company, specialize in Custom Software Development and Web Development. They were established in 2012.

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  • American Web Store Logotype

    American Web Store

    5.0 1 review
    $1,000+
    < $25 / hr
    10 - 49

    Services provided

    50% Web Development
    25% E-Commerce Development
    15% Web Design +1
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    50% PHP
    15% HTML5 +1
    15% Python

    American Web Store specializes in SEO services aimed at enhancing website visibility and search engine rankings. Reviews highlight the company's expertise, responsiveness, and effective project management, resulting in significant improvements for clients. The overall feedback reflects high satisfaction with their professional and timely communication.

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  • Weboost Agência de Marketing Digital Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Vila Nova de Gaia, Portugal

    Services provided

    10% Web Development
    10% Digital Strategy
    10% E-Commerce Development +7
    10% Graphic Design
    10% Mobile & App Marketing
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    50% JavaScript
    40% PHP
    10% SQL

    Launched in 2018, Weboost Agência de Marketing Digital is an UX design agency. The team provides UX/UI Design and Digital Strategy.

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  • Web Tycoons Logotype

    Not yet reviewed

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

    Services provided

    60% Web Development
    20% Search Engine Optimization
    20% Social Media Marketing

    Focus Areas

    10% JavaScript
    50% PHP
    20% Java +2
    10% SQL
    10% XML

    Website development firm Web Tycoons specializes in Web Development and Social Media Marketing. They are in New Delhi, India.

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  • Common Works Logotype

    Not yet reviewed

    Undisclosed
    $50 - $99 / hr
    2 - 9
    London, England

    Services provided

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

    Focus Areas

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

    Common Works, a branding agency, was launched in 2014. They offers Branding and Web Design.

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  • Future Ascend Logotype

    Future Ascend

    Not yet reviewed

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

    Services provided

    30% Web Development
    20% Branding
    20% Marketing Strategy +2
    20% Search Engine Optimization
    10% Low/No Code Development

    Focus Areas

    70% JavaScript
    30% PHP

    Future Ascend, a website development company, was launched in 2024. The company offers Web Development and Branding, and is small.

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  • CipherGrowth Logotype

    Not yet reviewed

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

    Services provided

    45% Web Development
    30% Mobile App Development
    8% Custom Software Development +5
    5% Enterprise App Modernization
    5% Other Application Development
    4% E-Commerce Development
    2% Application Testing
    1% AI Development

    Focus Areas

    38% JavaScript
    20% Python
    12% Ember.js +5
    10% Other programming & scripting languages
    8% Redux
    5% SQL
    5% Swift
    2% AJAX

    CipherGrowth is a web development company in Noida, India. They focus on Web Development and Mobile App Development and were established in 2018.

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  • Pierre Portejoie, développeur freelance Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    Freelancer
    Lyon, France

    Services provided

    80% Web Development
    15% Custom Software Development
    5% Mobile App Development

    Focus Areas

    50% JavaScript
    50% PHP

    Founded in 2015, Pierre Portejoie, développeur freelance is a web development firm. Their team specializes in Web Development and Custom Software Development.

    Read more
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  • VESTART Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Athina, Greece

    Services provided

    10% Web Development
    15% Advertising
    10% Branding +11
    10% Marketing Strategy
    10% Performance Marketing
    5% Content Marketing
    5% E-Commerce Development
    5% Ecommerce Marketing
    5% Email Marketing
    5% Event Marketing
    5% Graphic Design
    5% Public Relations
    5% Social Media Marketing
    5% Web Design

    Focus Areas

    15% JavaScript
    20% C++
    20% XML +3
    15% Java
    15% Python
    15% SQL

    VESTART, an Advertising company, was founded in 2020. The team focuses on Advertising and Marketing Strategy.

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  • levchenkod.com Logotype

    levchenkod.com

    Not yet reviewed

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

    Services provided

    100% Web Development

    Focus Areas

    40% JavaScript
    15% Typescript
    10% AJAX +5
    10% PHP
    10% Python
    5% HTML5
    5% Swift
    5% jquery

    Levchenkod.com is a web development company established in 2024. Their team specializes in Web Development.

    Read more
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  • Slitigenz Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Ha Noi, Vietnam

    Services provided

    30% Web Development
    30% Mobile App Development
    20% Custom Software Development +2
    10% Cloud Consulting & SI
    10% IT Strategy Consulting

    Focus Areas

    30% JavaScript
    30% PHP
    30% SQL +1
    10% C++

    Slitigenz, a web development firm, is based in Ha Noi, Vietnam. They focus on Web Development and Mobile App Development and were launched in 2019.

    Read more
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  • Koala Product Development Logotype

    Not yet reviewed

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

    Services provided

    70% Web Development
    20% Mobile App Development
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    30% ASP.NET
    20% Java +2
    15% C#
    15% Kotlin

    Koala Product Development is a web development firm. Located in Nur-Sultan, Kazakhstan, the firm was launched in 2020. Their team offers Web Development and Mobile App 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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