Top JavaScript Development Companies in 2024

11 min readJul 19, 2024

JavaScript is everywhere. From YouTube and Facebook to Google Maps and Amazon, this programming language powers 95% of the websites on the net. It’s fast to learn, easy to use, and has been growing in popularity since its creation in 1995.

Considering the popularity of JavaScript, it’s not surprising there’s such a number of development companies offering JavaScript expertise. To help you navigate this crowded space, I’ve put together a list of the top 10 Javascript development companies in 2024, based on several criteria:

Average reviews rating according to Clutch.co, The Manifest, GoodFirms and others
Main areas of focus
Service prices
Product quality

Here’s the list of the top 10 JavaScript development companies:

SF AppWorks
XWP
QArea
GeekyAnts
Apptension
Mutual Mobile
Bornfight
Frontkom
SennaLabs
FullStack Labs

Each of these companies stands out in its own way. Let’s take a closer look at what makes them special.

1. QArea

Founded: 2001
Number of employees: 50–249
Number of completed projects: 800+
Average reviews rating: 4.8
Main services: Web and App development, Product Development, DevOps, Design, Testing, IT Consulting
Minimum project size: $10 000+
Average hourly rates: $25-$49 / hr
Tech Stack: Java, Javascript, PHP, C#, Go, React, Node.js, Python, Angular
Top clients: Skype, Kroodle, Dashlane, Huffpost, Last Mile Health
Location: Kharkiv, Ukraine

Starting this list of the best JavaScript custom software development companies is QArea, one of the many companies in Ukraine that stands out with its strong expertise in cutting-edge JavaScript frameworks and adequate price-quality ratio.

The company boasts a team of skilled professionals who offer a range of services, from IT consulting to the development of entire digital platforms for businesses and testing. Whether you are a small company or a large enterprise with significant market influence, you will be satisfied with their case-by-case approach, customer-oriented attitude, and top-tier JavaScript development services.

QArea has been working with JavaScript since its founding, establishing itself as the right JavaScript development partner for many. This JavaScript development company is known for its quick services and high-class performance. You won’t have to rack your brains figuring out where to find extra hands for managing your legal arrangements or system administration processes. They offer an all-inclusive package if you need it.

The JavaScript development agency offers the most profound and clear assistance at each step of the working process. They are well-known for their transparency and honesty, offering the highest quality for a reasonable price. Some of the many complex web applications QArea has released include healthcare applications, websites for retail stores, and machinery manufacturing platforms. If you’re seeking reliable web solutions, QArea is a top choice.

2. SF AppWorks

Founded: 2012
Number of employees: 50–249
Average reviews rating: 4.9
Main services: Management Consulting, Web Development, Design, App Studio, Rapid Prototyping, Product Architecture
Minimum project size: $10 000+
Average hourly rates: $50 — $99 / hr
Tech Stack: HTML, JavaScript, Java, UX/UI Design, Wordpress, Drupal
Top clients: Google, SportMe, Sleepio, Kickfin, Humana
Location: San Francisco, CA

In 2008, a shared love for music brought together Darius Zagrean and Andrew Greenstein, two of the best JavaScript programmers. They launched their first startup, an open-source platform aimed at music creation. Their productive collaboration and inventive approach attracted more talented developers, leading to the birth of a dynamic JavaScript software development company.

Today, Darius and Andrew have expanded their expertise beyond a single domain. Their impressive portfolio includes projects such as an educational publishing company, an online art gallery, and a health fitness app. The high quality of JavaScript implementations in these new projects elevated the company to a global top status, establishing it as one of the best JavaScript development companies in the market.

As experts in JavaScript, their accomplishments include creating the online platform lifereimagined.org, developing a booking system for Plug and Play, and integrating Tenor into Facebook, which significantly increased traffic. They specialize in building dynamic and interactive web applications that cater to a diverse range of industries, showcasing their versatility and innovative capabilities.

3. XWP

Founded: 2005
Number of employees: 50–249
Average reviews rating: 4.9
Main services: Web Development, Web Design, UI/UX design, Product Strategy and Development, Maintenance and Managed support
Minimum project size: $50 000 +
Average hourly rates: $150–199$ / hr
Tech Stack: PHP, Drupal, HTML, Javascript, Java
Top clients: Google, Rolling Stone, Variety, iOne Digital, Nova Entertainment
Location: Chelsea, Australia

Originating in Melbourne, Australia, XWP began as a small yet promising startup. Over the years, it has grown into one of the leading JavaScript development companies, steadily building a global impact on the digital world. The company focuses on collaborating with large enterprises and developing high-scale projects in media and information technology.

XWP has invested considerable time and effort into understanding every critical detail of the global tech ecosystem. This meticulous approach has equipped the company with the expertise to develop highly effective tools for front-end and back-end design and data management.

When it comes to building a website from scratch, XWP excels in every aspect, including support and maintenance, utilizing essential programming languages with a particular emphasis on JavaScript.

The many positive reviews speak volumes of the expertise of XWP’s programmers in JavaScript. Clients recognize the team’s professionalism, entrusting it with advanced and complex development solutions. The flip side of the coin is that this expertise comes at a cost. A minimum project price at XWP starts at $50,000, making them one of the most expensive JavaScript development firms in the market.

4. GeekyAnts

Founded: 2006
Number of employees: 50–249
Average reviews rating: 4.7
Main services: Web and Mobile development, UI/UX design, Business Analysis, Product Management, DevOps, QA, API Development
Minimum project size: $5 000+
Average hourly rates: $25-$49 / hr
Tech Stack: React, React Native, Flutter, Angular, Vue, NodeJS, Python, Svelte
Top clients: Google LLC, ChildMind Institute, PayPoint, QuinType, EndLink, Mobile Premier League, Lamno, Khatabook
Location: Bengaluru, India

GeekyAnts is a renowned JavaScript development company that prides itself on having a young and passionate team of skilled developers ready to tackle any challenging task. Founded in 2006 and rebranded in 2011, the company has since been expanding and diversifying its customer base.

GeekyAnts specializes in web solutions across various industries, including finance, banking, entertainment, education, real estate, and marketing. They have established themselves as a tech partner for major conglomerates like Google and Endlink.

When it comes to choosing the right programming language for your app or website, GeekyAnts believes it’s essential to rely on the expertise of seasoned developers. They assess clients’ needs and offer the most suitable solutions, ensuring high-quality outcomes for each project. If you’re looking for the right JavaScript development company, GeekyAnts’ team of experts is well-equipped to provide top-notch service.

5. Apptension

Founded: 2012
Number of employees: 50–249
Number of completed projects: 50+
Average reviews rating: 4.7
Main services: Software and Product Development, Consultation and Product Maintenance
Minimum project size: $ 50 000+
Average hourly rates: $50-$99 / hr
Tech Stack: Google Analytics, Java, Javascript, HTML 5, React Native, jQuery
Top clients: Netflix, Uber, Helneken, Universal, Spotify
Location: Poznan, Poland

Compared to other top JavaScript development companies, Apptension may not have been on the market as long, but it has quickly proven its value. This JavaScript web application development company offers a range of services, including custom software, scalable web, and cross-platform app development.

Apptension typically works with small businesses and midmarket clients, but they’ve also earned the trust of major players like Netflix and Spotify. Their growing reputation positions them as a top agency in the global market.

Known for their development expertise in JavaScript, Python, and other programming languages, Apptension excels in multi-project management. Clients praise their performance in delivering top-tier JavaScript development services, particularly in creating and designing web and mobile solutions. One notable project includes an AR app for a visual effects company, showcasing their ability to handle complex and innovative developments.

6. Mutual Mobile

Founded: 2009
Number of employees: 50–249
Average reviews rating: 4.8
Main services: Design strategy (UX/UI analysis, User Testing), Technology and Engineering (Cloud Services, VR, Web, App), Program Management (Analytics, Risk Management)
Minimum project size: $25 000+
Average hourly rates: $25-$49 / hr
Tech Stack: HTML5, JavaScript, Google Analytics, jQuery
Top clients: Google, Xerox, Clorox, Big Bazaar, Dribe, Flexdrive
Location: Austin, TX/India

Mutual Mobile boasts an impressive portfolio with clients like Google, Walmart, Xerox, Nike, and Disney. As a top JavaScript development company, Mutual Mobile specializes in delivering innovative solutions for significant projects, including virtual reality and artificial intelligence.

They have advanced JavaScript implementation, having developed biometric tracing software, functional iOS and Android apps for media and publishing companies, and an intuitive platform for Hay House that has generated $1 million for investors.

Although their JavaScript development services are on the pricier side, for those looking for long-term collaboration in digital transformation and cutting-edge technologies, Mutual Mobile can be the best choice.

7. Bornfight

Founded: 2009
Number of employees: 50–249
Average reviews rating: 4.8
Main services: Product Design, Web and Mobile App Development, E-commerce
Minimum project size: $25 000
Average hourly rates: $50-$99 / hr
Tech Stack: Node, PHP, Java, Javascript, HTML, React, Vue.js, GSAP
Top clients: Lufthansa, British American Tobacco, Molson Coors, Heineken, Mercury Processing Services International
Location: Zagreb, Croatia

Bornfight is a consulting company renowned in the JavaScript development industry for its exceptional planning skills and high performance across all levels of product development. They position themselves as a team of passionate and creative top JavaScript developers for hire, always ready to tackle challenges and deliver outstanding results.

Clients who choose this JavaScript development agency typically start with consultation services and often extend their collaboration well beyond the initial stage. Bornfight excels in full-stack development, particularly on the front end, where their application of JavaScript shines.

Their expertise spans modern web solutions, including programming various e-commerce components and ensuring flawless operation of web and app platforms. However, clients have noted that the final project costs can be higher than expected, which is reflected in review ratings. Despite this, Bornfight remains a top choice for those seeking innovative and reliable development services.

8. Frontkom

Founded: 2000
Number of employees: 50–249
Average reviews rating: 4.8
Main services: Insight and Strategy, Digital Products, Design, Marketing, Hosting and Support
Minimum project size: $10 000
Average hourly rates: $100-$149 / hr
Tech Stack: HTML, JavaScript, Droopal, Laravel, Node.js, WordPress
Top clients: HubSpot, Hotjar, Gitlab, Gira
Location: Warszawa, Poland

Frontkom is primarily focused on the mid-market, serving industries such as education, technology, electronics, and travel. If you need swift solutions, Frontkom is the best JavaScript development company for you. They hire the best JavaScript programmers, renowned for creating fast, effective solutions, that help achieve different business goals.

This web development company excels in providing high-quality analysis of your business situation. They assess whether your issues stem from something as simple as the color scheme of your homepage or if it’s time to develop an entirely new web product from scratch.

With decades of experience, Frontkom’s team is proficient in various programming languages, specializing in JavaScript software development. They enhance user interfaces to ensure fast and effective interaction between customers and digital products. Their solutions include displaying articles, adjusting webpages for mobile devices, introducing new features to existing websites, and more. Additionally, they offer staff augmentation services to support your development process, ensuring your projects are completed efficiently and to the highest standard.

9. SennaLabs

Founded: 2015
Number of employees: 50–249
Average reviews rating: 4.6
Main services: Custom Web and Mobile Application Development, Project Management, Machine Learning, Digital Marketing
Minimum project size: $25 000+
Average hourly rates: $50-$99 / hr
Tech Stack: UX/UI Design, HTML, JavaScript, SLA, Workdpress, Drupal
Top clients: Marriott International, Centennial Coal, GrabCasual
Location: Bangkok, Thailand

SennaLabs is a relatively young yet ambitious JavaScript development agency striving to join the list of the top JavaScript development companies. While they are still finding their niche, their interest spans various industries, with a primary focus on the domestic market.

SennaLabs excels in creating system infrastructures, customizing websites, and providing comprehensive coding and testing services. As a JavaScript development agency, they specialize in designing web interfaces with striking visuals and adding extra features to enhance user experience. Their team also offers full-scale support, including fixing bugs and conducting thorough code reviews.

Adopting an agile approach, SennaLabs ensures projects are delivered efficiently and adapt to changing requirements. They pride themselves on collaborating with top programmers who are not only highly adaptable but also vigilant in keeping up with the latest technology trends. Their dedication to quality and innovation positions them as a strong contender for any business seeking a partner for JavaScript development, ultimately driving business success.

10. FullStack Labs

Founded: 2013
Number of employees: 50–249
Average reviews rating: 4.8
Main services: Programming and Scripting, Mobile App Development
Minimum project size: $25 000+
Average hourly rates: $100-$149 / hr
Tech Stack: React, Vue.js, Java, JavaScript, Node, Python, Angular
Top clients: Uber, Siemens, Ekso, IMON, Cytek
Location: Granite Bay, CA

FullStack Labs primarily focuses on using JavaScript frameworks to develop robust applications and platforms for mobile devices. This specialization enables the company to gain in-depth experience and expertise in this particular service line. They provide top solutions in application development and software solutions for healthcare, education, logistics, and construction industries.

The company specializes in cross-platform mobile app development, modernizing existing education and training management systems, developing technology updates, and creating and supporting e-commerce apps for Android and iOS based on existing websites. Their expertise ensures they meet diverse development needs, delivering high-quality, scalable solutions across various sectors.

FAQ

Should I hire a JavaScript development agency for my project or a freelance developer?

There’s no one right answer to this question as both options are viable depending on your business objectives. If you’re planning to build a complex solution, which is likely to last a while, it’d be best to look into hiring an experienced JavaScript development agency. In this case, you’ll be granted full-scale support throughout the entire development process, with the possibility to incorporate changes as you go. On the other hand, if your project is short-term or less complex, hiring a freelance developer might be more cost-effective.

What tech agencies are the best JavaScript development companies?

There are many good IT services companies specializing in JavaScript. When making this list of top 10 JavaScript companies, I paid attention to details such as technical expertise, portfolio diversity, client testimonials, and the ability to deliver scalable solutions. All of the companies highlighted in this review meet and exceed the industry standard.

What are the benefits of JavaScript?

JavaScript serves as a powerful tool that helps search engines work quickly and smoothly for users. JavaScript developers use this language to make websites more interactive, adding features like drag-and-drop and sliders.

Conclusion

JavaScript is a powerful tool that allows you to build complete applications from start to finish, covering both front-end and back-end development. Therefore, it’s important to stay informed about the leading JavaScript development companies if you aim to improve and modernize your business using digital solutions.

To assist you with this, I’ve compiled a list of the top development companies poised to be at the forefront on the JavaScript scene. I took into consideration factors such as their years of experience, domain expertise, range of services, and prices. I hope this information will help you in choosing the best JavaScript development company to meet your specific needs.