Top JavaScript Developers
-
Featured
What are Featured Providers?
$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
Focus Areas
See all 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
-
Undisclosed$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 1 projectsNeXDev Solutions is a web development company praised for its exceptional UI/UX design and development services. The company received 100% positive feedback for delivering high-quality, professional websites that align with client needs. Clients appreciate their responsive communication and adherence to timelines, with no areas cited for improvement.
-
$10,000+$25 - $49 / hr10 - 49Moratuwa, Sri Lanka
Services provided
Focus Areas
See all 1 projectsLinking Integrating is a web development and design company excelling in creating professional websites with integrated software solutions. Their commitment to understanding clients' core values and iterative feedback-based approach has resulted in positive feedback, with 100% of reviewers appreciating their communication and dedication to delivering tailored outcomes.
-
$10,000+$25 - $49 / hr50 - 249Ranchi, India
Services provided
Focus Areas
See all 4 projectsCsharptek is a software development company specializing in custom software solutions, DevOps consulting, and technical support. With commendable project management and exceptional communication, 100% of their reviews highlight their adaptability, expertise, and timely delivery. Clients value their problem-solving skills and experienced team, though some note minor UI design improvements are possible. Overall, Csharptek is praised for their professional engagement and effective solutions.
-
$10,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 3 projectsCodeWell is a development company specializing in mobile app and web development, with expertise in creating cross-platform solutions and chatbots. Reviews highlight their professionalism, proactive approach, and effective project management. Over 90% of clients praise CodeWell for quality delivery and meeting deadlines, though some suggest improvements in resource replacement speed and design collaboration.
-
$1,000+$25 - $49 / hr10 - 49Islamabad, Pakistan
Services provided
Focus Areas
See all 3 projectsCentangle Interactive is a web development company specializing in custom website development and web design. Reviews highlight their flexibility, reasonable pricing, and effective communication, with both clients expressing satisfaction with the final product. However, areas for improvement include providing timely updates and enhancing human resource management. Overall, Centangle Interactive is praised for their professionalism and dedication, with 100% of reviewers impressed by their flexibility.
-
Undisclosed$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 4 projectsRedRockS is a web development company specializing in website development and design. Reviews indicate a 100% satisfaction rate, highlighting their ability to deliver projects on time and their innovative approach to branding. Notable strengths include effective communication and offering good value for cost, with 50% of reviewers praising their fast response and solution-oriented mindset.
-
$100,000+$25 - $49 / hr50 - 249Hackensack, NJ
Services provided
Focus Areas
See all 1 projectsMaxnet Technologies is a data solutions company specializing in AI-driven insights and analytics for retail clients. According to client reviews, they delivered 55% faster processing and 30% higher accuracy, with 42% less manual work. Reviewers consistently commend their technical excellence and proactive execution, although some suggest improvements in scope change management and documentation. Overall, positive feedback is predominant.
-
$5,000+< $25 / hr10 - 49Bhubaneswar, India
Services provided
Focus Areas
See all 1 projectsDZINEPIXEL WEBSTUDIOS (OPC) PRIVATE LIMITED is a Web Development company known for its timely and responsive project delivery. According to reviews, 100% of clients reported on-time delivery and commend the company for offering good value and alignment with client values. Suggestions for improvement were noted, though the overall feedback remains positive.
-
Undisclosed< $25 / hr10 - 49Sahibzada Ajit Singh Nagar, India
Services provided
Focus Areas
See all 1 projectsBrilliantsweb is a web development company specializing in website creation, hosting, and database solutions. Reviewers praise their responsive project management and strong alignment with client values. Nearly 100% of feedback highlights their effective communication and ability to deliver projects on time, with no significant areas for improvement noted.
-
$1,000+$25 - $49 / hr250 - 999
Services provided
Focus Areas
See all 6 projectsCollatree Arabia is a digital marketing company specializing in enhancing online presence through strategic SEO and paid advertising campaigns. Their exceptional communication and client-centric approach are highlighted in reviews, with 100% positive feedback praising their effective strategies that resulted in a 40% ROI increase and 60% improvement in keyword rankings.
-
$1,000+$100 - $149 / hr2 - 9
Services provided
Focus Areas
See all 10 projectsAllanzcom is a web development company specializing in creating custom websites. With a team of 2-5 employees, they excel in creativity, time management, and professional communication. Both reviews highlight their ability to deliver high-quality, professional websites that exceed expectations, with 100% positive feedback emphasizing their exceptional creativity, deadline compliance, and ongoing project support.
-
$5,000+$25 - $49 / hr50 - 249Atlanta, GA
Services provided
Focus Areas
See all 20 projectsPixact Technologies is a web development company specializing in eCommerce and website development with a strong focus on responsive design and user experience. They receive overwhelmingly positive feedback, with 100% of reviews praising their timely project delivery and communication skills. However, 100% of reviewers also suggest the need for more frequent progress updates during development.
-
$5,000+$50 - $99 / hr10 - 49Chalakudy, India
Services provided
Focus Areas
See all 1 projectsApro IT Solutions is a digital marketing and web development company specializing in enhancing online presence through social media management, SEO, and creative design. The reviews highlight their expertise and effectiveness in branding, with 100% of the feedback being positive, noting their extensive knowledge and impressive execution. Their work reportedly increased reach and sales for their clients.
-
$1,000+$25 - $49 / hr10 - 49Thane, India
Services provided
Focus Areas
See all 2 projectsNationtechpro is a web development company specializing in custom website development and digital marketing services. The reviews highlight their ability to significantly boost online presence, with a reported 30x increase in incoming leads. Clients commend their professional approach and efficient project management, with 100% positive feedback on their ability to deliver captivating websites and applications.
-
$1,000+$25 - $49 / hr10 - 49Navi Mumbai, India
Services provided
Focus Areas
See all 3 projectsResurgam Digital LLP is a web development company specializing in custom website development and design. Their client-focused approach results in timely project delivery and effective solutions, as 100% of reviewers highlight their impressive client orientation and satisfaction with their services.
-
$5,000+< $25 / hr2 - 9Beograd, Serbia
Services provided
Focus Areas
See all 3 projects3ort Inženjering is a software development company specializing in .NET and JavaScript environments. The company is praised for its conscientious work ethic, high-quality outputs, and efficient project management, with positive feedback from all reviewers. Approximately 100% of clients highlight their responsiveness and value for money, with no significant areas for improvement noted.
-
$1,000+$50 - $99 / hr2 - 9Tampa, FL
Services provided
Focus Areas
See all 3 projectsZappyPeople by 1st-party.com is a data analytics consulting firm that excels in implementing and optimizing analytics platforms such as PostHog. Their clients praise their clear communication, thorough documentation, and impressive expertise, resulting in 100% positive feedback. Reviewers highlight their ability to accurately track KPIs and provide actionable recommendations, with no noted areas for improvement.
-
$5,000+$50 - $99 / hr2 - 9Wrocław, Poland
Services provided
Focus Areas
See all 2 projectsLibreWorks is a software development company specializing in custom web applications, Confluence add-ons, and Java development. The overall feedback from clients is overwhelmingly positive, highlighting their technical expertise, agile collaboration, and ability to adapt to short-notice changes. Approximately 100% of reviewers were impressed by their software quality and reliability, with no significant areas for improvement noted within the reviewed projects.
-
$1,000+$50 - $99 / hr2 - 9Montréal, Canada
Services provided
Focus Areas
See all 2 projectsCanguloStudios is a web development company specializing in custom website development and SEO. Reviews indicate a strong reputation for efficiency, meticulous project management, and delivering modern and functional websites. Approximately 100% of reviewers praise their web design and SEO skills, although some note slower response times.
-
$1,000+$25 - $49 / hr2 - 9Campo Tures, Italy
Services provided
Focus Areas
See all 2 projectsD/arte Creative Studio is a web development company specializing in custom website development and web design. Reviews indicate a 100% positive reception, highlighting their professionalism, attention to detail, and seamless project management. Clients commend their ability to deliver modern, user-friendly websites that align with brand identity, making them highly recommended for web development projects.
-
$5,000+$25 - $49 / hr2 - 9
Services provided
Focus Areas
See all 1 projectsZablesoft is a proficient software development company specializing in Microsoft technologies, including .NET and SQL Server, with noted expertise in interface design. All feedback is positive, highlighting their technical knowledge, excellent project management, and eagerness to communicate. The company is highly recommended for organizations seeking robust software solutions.
-
$1,000+$25 - $49 / hr2 - 9
Services provided
Focus Areas
See all 1 projectsAtirSoft is a web development company with expertise in custom website development and web application development. Reviewers highlight their meticulous attention to detail and excellent project management, with 100% of feedback being positive. Clients commend their ability to blend creativity with technical expertise, noting impressive design and seamless CMS integration.
-
$1,000+< $25 / hr2 - 9
Services provided
Focus Areas
See all 1 projectsNeosyss is a web development company noted for its expertise in optimizing website speed and enhancing functionality. All reviewers express satisfaction, highlighting their impressive project management and proactive communication. They successfully increased a client's speed ranking from 70 to 90 in one second, with 100% of feedback being positive.
-
Undisclosed< $25 / hr2 - 9Mumbai, India
Services provided
Focus Areas
See all 1 projectsFrenztech is a web development company specializing in custom website development and web design. With positive feedback from 100% of reviewers, Frenztech is praised for its technical expertise, timely delivery, and efficient project management. Clients appreciate their ability to implement designs effectively and communicate clearly throughout the development process.
-
$1,000+< $25 / hr50 - 249Rajkot, India
Services provided
Focus Areas
See all 5 projectsWeyBee Solutions Pvt Ltd is a web development company specializing in custom website development and e-commerce solutions. They consistently receive positive feedback, with clients appreciating their cooperative and efficient service. Approximately 100% of reviewers mention satisfaction with their work and project management, highlighting their fast service and impressive results.
-
$5,000+$25 - $49 / hr10 - 49Białystok, Poland
Services provided
Focus Areas
See all 3 projects4e Agency is a web development company known for Website Development and creative materials production. They earned positive feedback from 100% of reviewers, who highlighted their exceptional communication and professionalism. Clients appreciate their ability to generate innovative ideas and deliver quality results, with 100% noting their flexibility and responsiveness to urgent needs.
-
$1,000+$100 - $149 / hr2 - 9Bingham, England
Services provided
Focus Areas
See all 1 projectsCircle Software & Design is a web development company known for its exceptional project management and effective communication. They consistently deliver projects on time and within budget, with 100% of reviewers praising their high standards and responsiveness. Clients appreciate their creativity and ability to listen, making them an ideal choice for web development projects.
-
$10,000+$100 - $149 / hr10 - 49Irvine, CA
Services provided
Focus Areas
See all 1 projectsCustom Software Solutions, Inc is a web development company specializing in custom website development and online marketing services. The company receives positive feedback for its project management capabilities and organization, with 100% of reviewers praising these aspects. Clients report improved website performance and increased web traffic, highlighting their satisfaction with the firm's full-stack web development and marketing expertise.
-
$5,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 2 projectsreverseBits Tech LLP is a web development company specializing in custom website development, web programming, and web application development. The company consistently receives positive feedback, with impressive project management and communication praised in 100% of reviews. Clients commend their ability to deliver effective solutions within budget constraints without compromising quality, making them an excellent choice for businesses seeking full-stack web development expertise.
-
$25,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Services provided
Focus Areas
See all 1 projectsOrange Sputnik is a specialized software development company known for its comprehensive technical solutions and effective communication. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their transparent and collaborative approach. Clients appreciate their ability to align technical requirements with business needs, resulting in strong growth outcomes, as demonstrated by a reported 300% growth in the first year.
-
$1,000+$50 - $99 / hr10 - 49
Services provided
Focus Areas
See all 3 projectsAlfaOrigin is a web development company specializing in custom website development and full-stack web development solutions. The overall feedback from their reviews is overwhelmingly positive, with 100% of reviewers highlighting their attention to detail and dedication to customer satisfaction. Clients commend their exceptional project management skills, timely delivery, and effective communication throughout the development process.
-
$1,000+< $25 / hr10 - 49Mount Prospect, IL
Services provided
Focus Areas
See all 2 projectsVerity Techniques is a web development company specializing in web design and custom website development. Reviewers consistently praised their technical proficiency and client-focused approach, leading to enhanced website traffic and user interaction. Positive feedback was prevalent, with suggestions for minor improvements in post-project support. Overall, 100% of reviewers noted impressive project management and timely delivery.
-
$10,000+$100 - $149 / hr2 - 9Los Angeles, CA
Services provided
Focus Areas
See all 2 projectsImpactful Agency is a full-stack web development and web design company noted for building robust digital platforms and enhancing online presence. Their reviews highlight a 100% positive impact on clients' social media efforts and revenue generation. Clients commend their visionary skills and attention to detail, with an ongoing collaboration since 2013.
-
$1,000+$25 - $49 / hr2 - 9
Services provided
Focus Areas
See all 4 projectsArtep Development is a web development company specializing in custom website development and web application development. Their reviews highlight their proficiency in enhancing UI/UX and integrating complex systems, with 100% positive feedback emphasizing their professionalism, project management, and personalized service. Most reviewers appreciate their ability to align company values and maintain cost-effective solutions.
-
Undisclosed$50 - $99 / hr10 - 49Visakhapatnam, India
Services provided
Focus Areas
See all 1 projectsImaginnovate is a software development company focused on enhancing and streamlining digital platforms. They received overwhelmingly positive feedback for their intuitive design improvements, proactive approach, and technical excellence. Notably, 100% of the reviewers praised their ability to anticipate needs and maintain open communication. The collaboration led to a highly engaging and functional platform, with no significant areas for improvement noted.
-
$5,000+$50 - $99 / hr2 - 9
Services provided
Focus Areas
See all 9 projectsAlvin Systems is a web development company specializing in custom website and web application development. They have demonstrated expertise in both front-end and back-end development, with 100% of reviewers praising their technical capabilities and project management. Clients notably commend their ability to meet deadlines and provide excellent customer service. The company has proven effective at integrating modern technologies to enhance functionality and user experience.
-
$1,000+$50 - $99 / hr2 - 9Gornja Radgona, Slovenia
Services provided
Focus Areas
See all 4 projectsElmitel is a web development company specializing in custom website development and web application development, including front-end and back-end services. The overall feedback is positive, with clients praising their cost-effectiveness, timely delivery, and project management skills. Approximately 100% of reviewers highlight their responsiveness and innovative approach to problem-solving. However, some note areas for improvement in testing processes.
-
$25,000+$100 - $149 / hr2 - 9
Services provided
Focus Areas
See all 2 projectsCodigo Vision is a software design and development company known for building internal tools and augmenting development capacity. They have been praised for their professional approach, quality work, and effective communication. Generally, feedback is positive, with 100% of reviewers highlighting their flexibility and fair pricing, though some noted occasional project timeline delays due to external factors.
-
$10,000+$100 - $149 / hr2 - 9Crawley, England
Services provided
Focus Areas
See all 1 projectsCygnet Digital is a web development company specializing in custom website development and web application development. They are highly regarded for their meticulous attention to detail and successful project management, achieving significant results such as a 20-fold increase in online revenue for clients. Despite a small team, 100% of the feedback highlights their excellent communication and commitment to quality.
-
$5,000+$25 - $49 / hr2 - 9
Services provided
Focus Areas
See all 3 projectsAxon Solutions is a web development company specializing in Custom Website Development and Web Application Development. Their reviews highlight a strong commitment to client service, with 100% of reviewers appreciating their responsiveness and personal approach. While their development quality is praised, improvement in quality control and testing is noted by 50% of reviewers. They consistently meet deadlines and effectively communicate project details.
-
$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Services provided
Focus Areas
See all 2 projectsChimplie is a web development company specializing in custom website development and full-stack web development. Reviews indicate a 100% satisfaction rate, highlighting their effective project management and proactive approach. Clients appreciate Chimplie's quick responsiveness and comprehensive support, particularly in setting up technical specifications and user stories for long-term collaboration. They are noted for offering personalized attention and flexibility in team selection.
-
$5,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 1 projectsOnixcat is a research services company that specializes in developing platforms for tracking financial, social, and GDP data. They delivered a project for a healthcare company in a timely manner with no issues reported, resulting in satisfied leadership. Approximately 100% of the feedback was positive, emphasizing their cost-effectiveness and reliability despite time zone differences.
-
$1,000+< $25 / hr10 - 49Dehiwala-Mount Lavinia, Sri Lanka
Services provided
Focus Areas
See all 8 projectsFospertise is a web development company specializing in web and mobile application development, as well as website creation and maintenance. Their services are characterized by high-quality work, timely project completion, and exceptional commitment, with 100% of reviews highlighting their dedication and responsiveness. Clients appreciate their value for cost, with many expressing satisfaction with the technical solutions provided.
-
$1,000+$25 - $49 / hr2 - 9
Services provided
Focus Areas
See all 2 projectsLOOP16 Creative is a multidisciplinary creative agency specializing in web design, social media marketing, SEO, and CRM integration. With 100% positive feedback, reviewers commend their professionalism, creativity, and strategic alignment with business goals. Their work in healthcare marketing stands out, delivering high-quality content that enhances brand visibility and engagement, supported by strong project management and timely delivery.
-
$5,000+< $25 / hr50 - 249
Services provided
Focus Areas
See all 2 projectsWitz-Tech is a web development company specializing in website management and server hosting. They received largely positive feedback, with clients praising their enthusiasm and problem-solving skills, although cost was noted as an area for improvement. Approximately 100% of reviewers highlighted their ability to resolve complex website issues efficiently.
-
$5,000+$25 - $49 / hr10 - 49
Services provided
Focus Areas
See all 7 projectsHaloid is a software development company specializing in mobile app development and backend infrastructure solutions. From the reviews provided, Haloid has received overwhelmingly positive feedback, with 100% of reviewers expressing satisfaction with their technical expertise, particularly in mobile app development using Flutter and serverless architectures. Clients consistently highlight their professionalism, responsiveness, and ability to deliver projects on time, with no significant areas for improvement noted.
-
$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
Focus Areas
See all 3 projectsNorth Logics is a web development company renowned for their expertise in custom solutions and strong project management capabilities. With 100% positive feedback, clients consistently praise their ability to tailor services like CRM Salesforce Implementation to fit specific business needs, highlighting their customer-centric approach and technical expertise in handling complex integrations.
-
$25,000+$50 - $99 / hr10 - 49València, Spain
Services provided
Focus Areas
See all 3 projectsWe are Cactus S.L. is a versatile software development company specializing in backend development with Python and Django, complemented by frontend services using AngularJS. Clients frequently commend their adaptability and technical expertise, with 100% satisfaction in communication and integration skills. However, some reviews, comprising a small percentage, note challenges in workload management and time estimation.
-
$1,000+< $25 / hr10 - 49Lucknow, India
Services provided
Focus Areas
See all 1 projectsAkestech Infotech Pvt Ltd is a digital marketing agency specializing in managing digital platforms and developing websites. Feedback highlights their technical expertise, proactive approach, and seamless workflow, with 100% positive reviews. They achieved a 175% target increase in online marketing, indicating their effectiveness in generating business inquiries and enhancing search engine presence.
-
$1,000+< $25 / hr2 - 9
Services provided
Focus Areas
See all 3 projectsKaptcha Softwares is a web development company that specializes in custom website development and full-stack web development. The overall feedback from clients reflects a 100% positive experience, with particular commendation for their impressive project management and knowledge, resulting in professional and responsive websites.
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
Tell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 15 JavaScript Development Companies
-
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39/40.019.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.7/40.019.4/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$1,000+< $25 / hr250 - 999Boston, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.4/40.018.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Cypress, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
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.