There are dozens of programming languages that you can choose for your software project. And JavaScript is among the leaders. Now, 98.8% of all websites run this language on the client side, and the number of JavaScript developers on the market keeps growing – more than 63% use it. So, how to choose the right JavaScript development company to outsource your project?
We analyzed hundreds of available agencies based on reviews, services, and reputation and listed 20 top picks. In this article, we will discuss their prices and offerings and how to hire JavaScript developers. So let’s get started.
1,000 - 9,999 Employees
$25 - $49 / hr
Plano, TX, United States
Experion Technologies is a JavaScript development company founded in 2006 in Texas, USA. They specialize in web, data science, analytics, ML, AI, cloud, IoT, and mobile technologies. The company has served over 300 clients across 9 industries. It includes Healthcare, Logistics, Retail, Banking, EduTech, and Real Estate. They have six awards as one of America’s Fastest Growing Companies and have appeared in the Top 100 Inc Regionals.
Experion Technologies designs and develops web-based software applications using JavaScript, React, CSS, and HTML. They can integrate many software systems with APIs, middleware, and custom connectors. The company also offers 24/7 monitoring and support.
Plano, TX, United States
10 - 49 Employees
$50 - $99 / hr
Austin, TX, United States
DOIT Staffing is an IT staff augmentation provider specializing in hiring the top 5% of JavaScript developers. On average, they check 60+ candidates per vacancy and run 3 interviews to test soft and hard skills and cultural fit. They have expertise in a whole stack of JavaScript frameworks and libraries, including Vue.js, Node.js, React, Angular, and more.
The company delivers the first CVs within a few days and completes hiring within 2-4 weeks. DOIT Staffing offers payroll, office space, HR, and legal support. They also provide free replacement and knowledge transfer.
Austin, TX, United States
50 - 249 Employees
$100 - $149 / hr
Vancouver, Canada
ImageX, a digital agency founded in 2001, specializes in JavaScript web development services. They have received many recognitions, like Drupal Splash, Indigo Design, and AVA Digital Awards. The company has completed over 300 enterprise CMS projects. They offer UI testing, UX design, web development, and ongoing support.
Their team also provides digital consulting, covering copywriting, on-site audits, content strategy, and SEO. Custom development services feature mobile-optimized IA & UX, design, and cross-platform testing. As a certified provider, ImageX has experience with Apigee, Salesforce, Magento, and HubSpot integrations.
Vancouver, Canada
50 - 249 Employees
$25 - $49 / hr
Tallinn, Estonia
Perfsol is a top software development provider that offers JavaScript services. They provide web and mobile app development, UX/UI design, product management, QA, and DevOps. With a team of 40 members and over 20 years of collective experience, they have delivered more than 50 projects.
Perfsol uses JavaScript for frontend, backend, data visualization, automation, consulting, and migration. They have developed business websites, taxi apps, and video streaming services. The company utilizes JavaScript frameworks like React, Vue.js, Angular, Next.js, Node.js, and Three.js.
Tallinn, Estonia
50 - 249 Employees
$50 - $99 / hr
Chicago, IL, United States
PopArt Studio is a global full-service digital agency with 14 years in the market. They have cooperated with over 100 digital agencies, serving over 14k clients across 65 countries. The agency has developed 13,241 JavaScript app development, design, and digital marketing projects. Their web development services range from $5,000 to $50,000.
PopArt Studio’s developers use Vanilla JavaScript, React.js, Next.js, Nuxt.js, Vue.js, and Node.js for web development. They have earned the CSSW Star certificate and are Awwwards Nominee 4 times.
Chicago, IL, United States
50 - 249 Employees
$150 - $199 / hr
New York, NY, United States
XWP has been providing JavaScript software development services for over a decade. They work with enterprise publishers, SaaS companies, eCommerce merchants, and other digital partners. Their core services include custom web and plugin development, progressive web apps, and CMS migration. The team is experts in PHP, Drupal, HTML, JavaScript, and more. XWP can handle SaaS, technology solutions, and custom workflows.
New York, NY, United States
250 - 999 Employees
$25 - $49 / hr
San Francisco, CA, United States
P2H Inc. is a global software company encompassing two major web development brands: P2H and GetDevDone. P2H focuses on delivering web portals and mobile solutions for digital transformation. Beyond development, P2H also manages Power BI Analytics, IT Operations Teams, and production monitoring.
GetDevDone has been a prominent provider of high-quality JavaScript development services for over 17 years. The agency provides website, e-commerce, and web app development. They also offer low-code/no-code solutions, UI/UX design, and security optimization.
San Francisco, CA, United States
250 - 999 Employees
$50 - $99 / hr
Beverly Hills, CA, United States
Rootstrap is a JavaScript development company founded in 2011. The agency has created over 750 digital products. They have talented team members across the USA, Uruguay, and Argentina. Their main specialization is web and mobile development, backend and APIs, code audits, performance tests, and QA. Rootstrap also works with emerging tech like AR/VR, AI, blockchain, chatbots, and machine learning.
Beverly Hills, CA, United States
250 - 999 Employees
$100 - $149 / hr
New York, NY, United States
Infinum is a JavaScript development agency operating from the US and Europe, and it has around 400 experts. They have collected over 200 awards. It includes one of the fastest-growing European technology companies by Deloitte and the iF Design Award. Infinum builds mobile apps, landing pages, complex web applications, and back-office systems.
New York, NY, United States
50 - 249 Employees
$25 - $49 / hr
Rutland, MA, United States
Scopic is one of the best JavaScript development companies with over 15 years of experience. They have delivered 1000+ successful projects to clients worldwide. Their core services encompass web, mobile, desktop, and cross-platform software development. Also, the agency manages app maintenance, cloud migration, Machine Learning, and AI development.
Scopic holds expertise in Trading, Finance, Education, Manufacturing, and Healthcare sectors. They are an AWS Partner at the Advanced Tier Services level and have JavaScript consultants on the team.
Rutland, MA, United States
50 - 249 Employees
$50 - $99 / hr
London, United Kingdom
Imaginary Cloud is a team of JavaScript developers with over 13 years of experience. During this time, they have developed 300 projects. The team has received awards like Financial Times 1000, Top 100 Fastest Growing Companies, and UK Top B2B Company in 2022. Their services span product ideation, development, and improvement. It covers software, web, mobile development, AI, UX/UI design, and QA.
London, United Kingdom
250 - 999 Employees
$50 - $99 / hr
Tampa, FL, United States
KITRUM is a JavaScript development company providing web and app solutions since 2016. They have a team of 150 experts and have completed 84 projects across various industries. It includes Fintech, E-commerce, Education, Healthcare, Automotive, and Media.
The company utilizes Angular, HTML5, and JavaScript frameworks like React JS, Angular JS, and React Native. They specialize in web, server, and mobile applications. KITRUM’s JS development team consists only of full-stack senior web developers.
Tampa, FL, United States
50 - 249 Employees
$50 - $99 / hr
San Francisco, CA, United States
Yellow is a San Francisco-based JavaScript software development company. Since 2015, they have helped over 220 businesses. The agency has many awards, including Clutch’s Top 1000 Global Service Provider, Top Mobile App Developer, and Top B2B Company. Their focus areas include AI, machine learning, data science, chatbot development, and UX/UI design.
The team uses JavaScript development tools like Vue.js, Next.js, Express.js, and Nuxt.js for web development. Yellow serves fintech, travel, e-learning, retail, fitness, and logistics industries. Also, their experts analyze requirements within 1-2 days and develop a proposal with estimates, timelines, CVs, etc.
San Francisco, CA, United States
10 - 49 Employees
$150 - $199 / hr
Los Angeles, CA, United States
Urban Insight is one of the most experienced companies that use JavaScript in their development. Established in 1997, they have completed over 500 projects. Their client list includes the American Library Association, The Huntington, USC, UCLA, and the City of Los Angeles. They were 2023 Ed Tech Awards Finalists and have received American Planning Association awards.
Urban Insight offers website strategy, development, design, and support & operations services. They also specialize in digital strategy, web, progressive web, and mobile app development. The company builds web solutions with Drupal, WordPress, React, Gatsby, Next.js, Node.js, and Angular. Urban Insight serves B2B, Real Estate, Education, Nonprofit, and many more industries.
Los Angeles, CA, United States
50 - 249 Employees
$25 - $49 / hr
Philadelphia, PA, United States
INOXOFT stands among the top JavaScript development companies with 10 years of experience. They have 200 experts and completed over 200 projects for 180 clients. The company focuses on 5 core industries: Healthcare, Fintech, Education, Logistics, and Real Estate. INOXOFT provides web development, QA, UI/UX Design, Big Data Analytics, AI, and software development services for startups.
Philadelphia, PA, United States
50 - 249 Employees
$100 - $149 / hr
Santa Clara, CA, United States
Vardot is a global JavaScript development company with over 13 years of experience. They have completed 200+ projects in more than 30 countries. The company has received over 50 nominations and awards. They have ISO 9001:2015, GDPR compliance, and SCRUM certification. Vardot has worked with 20+ industries. It includes nonprofits, education, media, government, healthcare, high-tech, etc.
Santa Clara, CA, United States
10 - 49 Employees
$25 - $49 / hr
Berlin, Germany
Voypost is a software development company that has completed over 50 projects since 2019. They specialize in web consulting and development using JavaScript/TypeScript, React.js (+NextJS), VueJS, and Angular. Their services also include UX/UI & product design, mobile apps, backend, DevOps, AI automation, and testing. Voypost serves health & wellness, fintech, financial, education, and real estate industries.
Berlin, Germany
10 - 49 Employees
$150 - $199 / hr
Carlsbad, CA, United States
Storm Brain is a leading full-service JavaScript development company founded in 2007. They specialize in digital marketing campaigns, UI/UX design, as well as web and e-commerce development. Their services include mobile responsive design, website maintenance, managed hosting, and enterprise solutions. Storm Brain has received the Hermes Creative Awards and the 2023 National Excellence recognition. They have partnerships with WordPress, Shopify, HubSpot, and WooCommerce.
Carlsbad, CA, United States
10 - 49 Employees
$100 - $149 / hr
Jacksonville Beach, FL, United States
Oyova has been offering JavaScript development services since 2008. Their team of 27 strategists collaborates with over 50 marketing agencies across the US. Core services include digital strategy, web & app development, and digital marketing. In development, they use HTML, CSS, JavaScript, PHP, .NET, Laravel, WordPress, and more.
They also provide eCommerce solutions, ADA compliance audits, and white-label development services. Oyova is one of America’s Fastest Growing Private Companies by Inc and Top Web Developers by Clutch.
Jacksonville Beach, FL, United States
50 - 249 Employees
$100 - $149 / hr
Newport Beach, CA, United States
Saritasa is a full-service mobile app, web, AR/VR, software, systems architecture, and IoT solutions provider. With 10 years in business, they have completed 1769 projects. This JavaScript company serves the pharma, financial, education, health, and retail domains. They offer design, CRM, audio/video, eCommerce, CMS, and workflow systems. Also, Saritasa is a BigCommerce Certified Partner and an Inc. Power Partner.
Newport Beach, CA, United States
As you can see, a JavaScript development company mainly focuses on front-end and back-end development. But thanks to the vast JavaScript toolkit ecosystem, they also create mobile and desktop apps. Аnd agencies also offer various data-related services. Let’s find out.
First, JavaScript allows developers to integrate interactive elements into software solutions. It processes user events in real-time to load data without refreshing pages. JavaScript animates page elements so developers can create dynamic interfaces without trouble. It also supports single-page application development.
As a rule, Javascript development companies use three main frameworks and libraries for the front end: React.js, Angular, and Vue.js. The first one creates interactive interfaces. Angular structures web applications as interconnected components. Vue.js, in turn, simplifies interface development due to reactive data binding.
Developers also often use other programming languages in combination with JavaScript. For example, HTML/CSS is great for structuring and styling. SASS/LESS introduces variables and nested rules for styling. Also, TypeScript adds static typing to JavaScript, increasing the app’s reliability.
While most developers associate JavaScript with the front end, its use on the server side has also grown. The “JavaScript everywhere” approach and Node.js introduction have contributed to this. Many JavaScript development companies offer this technology across the entire development stack. This is suitable for developing such things:
In general, Node.js supports real-time data processing, making it ideal for web apps that need to update data. JavaScript simplifies it by using a single language throughout the entire process.
A JavaScript development company can also use frameworks like Express.js, Meteor.js, Koa.js, and Backbone.js in the backend. For example, Meteor.js is a full-stack platform. It also provides fast web, mobile, and desktop app development.
Some of the JavaScript development companies on our list also offer mobile apps. This is because JavaScript enables cross-platform development from a single code base. It speeds up development cycles so companies can market mobile apps running Android and IOS faster.
This is also possible due to various JavaScript libraries and frameworks. For example, React Native runs on JavaScript and React and helps to develop mobile apps that are close to native. Cordova and Titanium have similar functionality. Ionic and jQuery Mobile work on JavaScript, CSS, and HTML5 and offer hybrid solutions focusing on performance.
Thus, JavaScript enables the development of interactive and responsive mobile apps.
Besides the above, companies use JavaScript in some other services:
Notably, JavaScript helps to create cross-platform desktop applications with Electron or NW.js. These apps can integrate with native OS features and work like traditional desktop software. For example, you can see Electron in action in Visual Studio Code and Slack.
JavaScript also facilitates interactive data visualization and analysis in web apps. For example, the D3.js, Chart.js, and Three.js libraries allow developers to create 3D models and statistical graphs. TensorFlow.js handles implementing machine learning. And Node.js supports the execution of JavaScript for server-side data analysis tasks.
Now, let’s outline the steps to detect your technical needs and analyze potential JavaScript partners.
You can find the best JavaScript development company even without in-depth knowledge of this technology. However, you must still prepare your requirements in the most detailed form possible. You can also contact JavaScript consultants on this issue and draft some of the following points:
Also, consider any specific industry standards or compliance requirements.
Request a code sample or review open-source contributions to check the agency’s standards. For example, find a JavaScript development company’s profile on GitHub and review their repositories. Pay attention to the code quality and the types of projects they contribute to. You can do the same on GitLab or Bitbucket.
Also, many open-source projects have a “Contributors” or “Team” page on their websites. It lists the names of people who have helped improve the project. So, you can search for JavaScript development examples of specific developers on these pages.
Also, ask about potential partners’ experience with test-driven development practices.
А JavaScript development company must have a straightforward communication process and a track record of on-time project delivery. Check out the company’s reviews because clients often pay attention to meeting deadlines. Specify your preferred remote collaboration tool (Slack, Zoom, Google Meet, etc.).
As for project management, popular practices include Agile, Scrum, Kanban, Jira, Trello, etc. Discuss the agency’s approach to long-term project support. Make sure they offer adequate post-development support and maintenance.
Remember, you can schedule initial consultations with many potential partners and compare them. If you doubt your choice, it is always better to check twice.
That wraps up our guide to choosing the best JavaScript development company. Luckily, many options exist for selecting the best partners for your software product. You just need to define your project goals and requirements and start your search with the list of top 20 picks above.
Or contact us, and we’ll provide you with a selection of the best JavaScript developers and other specialists for your project needs.
Get a consultation and start building your dream team ASAP.
REQUEST CVSThis is because JavaScript is a multifunctional programming language from 1995. Over all these years, JavaScript has over 100 frameworks and libraries for front-end, back-end, mobile apps, etc. Large companies use JavaScript because of its flexibility and ability to create a dynamic user experience.
Yes, JavaScript has been a leader among developers in the most used programming languages for many years. And even in 2023, 28 years after the first release, 63.61% of developers use it.
It all depends on your project’s duration and the costs involved. Depending on location and expertise, JavaScript developers charge $25 to $199 per hour. Thus, the price often ranges from $5,000 for simple apps to more than $100,000 for complex enterprise-level solutions.
The timeline can vary from a few weeks for simple projects to several months or even years for complex ones. For more details, please consult a realistic timeline with JavaScript consultants.
