Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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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.
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$5,000+< $25 / hr50 - 249Kannampalayam, India
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See all 1 projectsEquator Technologies is a web development company specializing in Custom Website Development and Web Application Development. While their work was described as very good, with an emphasis on e-commerce site enhancements, feedback indicates room for improved client engagement. Overall, reviews highlight their effective problem-solving and budget estimation skills, though communication could be enhanced.
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$25,000+$50 - $99 / hr10 - 49Almaty, Kazakhstan
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See all 2 projectsCodeSmith is a specialized backend development company with a focus on creating robust architectures for high-load telecom solutions. Their reviews highlight their professionalism and expertise, with 100% positive feedback. Clients appreciate their foundational approach for long-term scalability, though some suggest the addition of a dedicated project manager for improved communication.
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$1,000+< $25 / hr10 - 49
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See all 3 projectsHiteclogic is a web development company noted for their proficiency in custom website development and API integration. Reviews indicate 100% satisfaction with timely delivery and effective communication. Clients commend their professional project management, with 100% of reviewers acknowledging their commitment and value for cost.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 9 projectsOverninja Technologies LLP is a web development company specializing in website development and mobile app solutions. The firm boasts a strong reputation for ethics, professionalism, and timely delivery, with 100% of reviewers highlighting their trustworthiness and project management skills. Clients praise their value for cost and user-centric web design, expressing intentions to work with them again.
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$1,000+< $25 / hr10 - 49ঢাকা, Bangladesh
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See all 3 projectsSoftnmart Limited is a digital marketing company that excels in web development and graphics design, known for delivering high-quality work promptly. Most reviewers commend their efficiency and ability to work independently, with 100% mentioning timely delivery and impressive graphics concepts. The company is recommended for its fast and effective online development services.
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$25,000+$50 - $99 / hr50 - 249Kansas City, MO
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See all 1 projectsTricension is a software development company specializing in GUI and front-end development, praised for its flexibility and well-architected solutions. With 100% positive feedback, they are noted for responsive project management and effective communication, consistently delivering value through strong development resources and meeting project goals efficiently.
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Undisclosed< $25 / hr10 - 49Ahmedabad, India
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See all 3 projectsXCode Web Solutions LLP is a web development company specializing in Website Development, Web Design, and Web Application Development. The firm receives overwhelmingly positive feedback, with approximately 100% of reviewers praising their technical expertise, timely delivery, and strong communication. Clients consistently highlight their commitment to quality and ability to enhance user experience and application performance, resulting in successful project outcomes.
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$1,000+$25 - $49 / hr10 - 49
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See all 4 projectsTenzed Tech LLP is a Web Development company specializing in creating responsive, SEO-friendly websites with robust front-end and back-end development using Angular and .NET. With a 100% positive feedback rate, clients consistently praise their technical expertise, project management, and ability to understand and translate business needs into effective digital solutions. Common themes in reviews highlight their proficiency in Full-Stack Web Development and commitment to delivering high-quality work.
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$25,000+$50 - $99 / hr10 - 49
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See all 2 projectsPropulsoft is a versatile web development company offering services such as website design and custom website development. The company has received overwhelmingly positive feedback, with clients praising their creativity, responsiveness, and impressive ideas. Approximately 100% of reviews highlight their strong project management and communication skills, while cost-effectiveness and high-quality deliverables are recurring themes in client testimonials.
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$5,000+< $25 / hr10 - 49Chennai, India
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See all 1 projectsRed Ant Media LLP is a development company specializing in mobile applications and backend systems, particularly for food delivery services. The feedback is overwhelmingly positive, with clients praising their timely delivery and effective project management. Approximately 80% of reviewers highlight their strong communication and understanding of project needs, though some note the initial sign-up process could be streamlined.
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$10,000+$25 - $49 / hr50 - 249Córdoba, Argentina
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See all 1 projectsAYI GROUP is a full-stack web development company specializing in custom website and web application development. The reviews highlight their effectiveness in project management and adaptability to changing requirements. With a 100% positive feedback rate, clients commend their ability to interpret needs and successfully deliver complex projects such as the Vecino Digital Platform.
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$1,000+$50 - $99 / hr10 - 49
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See all 8 projectsNetlynx Inc is a versatile web development company specializing in custom website development and web design. Reviewers consistently praise their effective communication, timely project management, and ability to deliver high-quality outcomes across diverse industries. With positive feedback from 100% of reviewers, Netlynx Inc demonstrates expertise in enhancing user engagement and operational efficiency through their tailored web solutions.
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$1,000+$50 - $99 / hr10 - 49Brno, Czech Republic
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See all 2 projectsWebwings s.r.o. is a versatile software development company specializing in creating custom software solutions such as warehouse management systems and operating systems for e-commerce platforms. The company is praised for its adaptability, effective project management, and customer-oriented service, with 100% of reviewers highlighting their responsiveness and ability to meet client needs efficiently. All feedback is positive, indicating a strong reputation for delivering quality work.
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$1,000+$25 - $49 / hr10 - 49Delhi, India
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See all 3 projectsRaw Canvas is a web development company specializing in website design and development. They are praised for their strong design capabilities and frequent, effective communication, with 100% of reviewers highlighting their responsiveness and openness to feedback. While they met expedited schedules, some reviewers suggested timelines could be further refined for even better project outcomes.
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$5,000+$25 - $49 / hr2 - 9T'bilisi, Georgia
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See all 3 projectsDaasp is a web development company specializing in Website Development and Web Design, known for delivering responsive and modern interfaces. With 100% positive feedback, clients commend their professionalism, understanding of needs, and proactive communication. Approximately 67% of reviewers highlight their timely delivery. Daasp's services are well-regarded for their high quality, agility, and alignment with client budgets.
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$1,000+< $25 / hr10 - 49Surat, India
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See all 2 projectsAviral Trendz Private Limited is a web development company known for its crisp and hassle-free processes. The company received 100% positive feedback, with clients praising its clarity, timely delivery, and professionalism. A significant portion of reviewers highlighted the ease of navigation in their web projects.
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Undisclosed< $25 / hr2 - 9
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See all 1 projectsOmnific Developers is a web development company that excels in Website Development and Web Design. According to client feedback, 100% of reviews highlight timely delivery and excellent communication, with the CEO personally overseeing projects. Clients appreciate their cost-effective solutions and technology recommendations tailored to project needs.
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$5,000+$25 - $49 / hr10 - 49Newark, DE
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See all 2 projectsCloudreams is a web development company specializing in Website Development and Web Design. With a 100% positive feedback rate, they are praised for their timely and responsive communication, effective project management, and ability to deliver high-quality, client-centric solutions that align with industry requirements. Their brand identity transformations and content enhancements are particularly noted by clients.
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Undisclosed$50 - $99 / hr10 - 49Toronto, Canada
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See all 3 projectsBloomDev, a web development company, received unanimously positive feedback from their clients, highlighting their expertise in web design and website development. Reviewers frequently noted BloomDev's patience and skills, with 100% of feedback praising their capabilities and communication. Their professionalism and effectiveness in delivering well-structured and designed websites were consistently impressive.
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$1,000+$50 - $99 / hrFreelancerCanterbury, England
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See all 8 projectsAlex Cachia is a web development company specializing in custom website development, web design, and web application development. The company has received overwhelmingly positive feedback, with clients praising the quality, responsiveness, and efficiency of their work. Approximately 100% of reviewers commend Alex Cachia's ability to manage complex projects and deliver results on time, often highlighting their deep knowledge of the web development stack.
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$1,000+$100 - $149 / hr2 - 9Hamilton, Canada
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See all 2 projectsRipple Design & Marketing is a creative design and marketing agency offering branding, web development, and social media integration services. The company is praised for excellent project management and creative approach, with 100% of reviews highlighting their strong brand creation and communication skills, and seamless client experience.
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$5,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 2 projectsMillipixels Interactive LLP is a specialized firm offering UX/UI design, software development, and enterprise solutions. Reviewers commend their technical expertise and collaborative approach, with 100% positive feedback highlighting their innovative ideas and user-centric design. While some noted room for improvement in speed, clients universally praised their project management and ability to transform ideas into market-ready products.
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$5,000+Undisclosed10 - 49Scottsdale, AZ
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See all 2 projectsParsus Solutions, LLC is a proficient web development company specializing in custom website development and full-stack web development. Their clients report a seamless experience with 100% positive feedback, highlighting their exceptional communication, dedication, and integrity. They excel in front-end and back-end development, as evidenced by increased client success metrics and significant project satisfaction.
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$1,000+$50 - $99 / hr2 - 9Warszawa, Poland
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See all 3 projectsDATADISE is a web development company specializing in designing and building custom websites. Reviews highlight their successful project management and timely delivery, with 100% positive feedback on their ability to launch trouble-free websites and achieve high Google rankings. Clients appreciate their knowledgeable team and excellent value for cost.
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$10,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 2 projectsChubut IT is a web development company specializing in custom website development and full-stack web development. The feedback is overwhelmingly positive, with clients praising their agile, flexible approach and rapid adaptation to project needs. Notably, 100% of reviewers highlight the company's ability to deliver projects on time and meet complex requirements effectively.
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$1,000+< $25 / hr10 - 49Vadodara, India
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See all 2 projectsAcadify Solution is a web development company specializing in custom website development and web design. Their clients report a 40% increase in website traffic and a 50% rise in engagement on key pages. The feedback is overwhelmingly positive, highlighting their professionalism, creativity, and commitment to client needs, with only minor suggestions for additional design variations during the initial stages.
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Undisclosed< $25 / hr10 - 49
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See all 1 projectsWorkZen is a web development company specializing in custom web application development. Their reviews indicate a 100% positive feedback rate, highlighting their strong project management, professionalism, and technical expertise. Approximately 90% of reviewers praised their ability to deliver projects on time with high user adoption and minimal downtime.
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$10,000+$100 - $149 / hr10 - 49Torrance, CA
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See all 1 projectsFlaidex LLC is a UI/UX design company praised for its technical expertise and collaborative approach. Clients noted a significant boost in user engagement and satisfaction due to Flaidex's intuitive design and efficient project management. All reviews reflect extremely positive feedback, highlighting their attention to detail and commitment to quality, with no areas for improvement mentioned.
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$100,000+$50 - $99 / hr10 - 49Novi Sad, Serbia
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See all 15 projectsUN1QUELY is a cybersecurity company specializing in penetration testing and security assessments. The reviews consistently highlight their professionalism, timely delivery, and exceptional communication, with 100% of reviewers expressing satisfaction and no areas for improvement noted. Common themes include their responsiveness, dedication to meeting deadlines, and high-quality deliverables.
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Undisclosed$100 - $149 / hr10 - 49Minneapolis, MN
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See all 5 projectsFirebrand is a multifaceted digital marketing agency specializing in content creation, SEO, web development, and strategic marketing solutions. The company has garnered overwhelmingly positive feedback, with approximately 90% of clients praising their innovative approach, effective project management, and impressive results. Clients frequently commend Firebrand for increasing traffic, improving conversion rates, and elevating brand visibility through tailored digital strategies.
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$1,000+$25 - $49 / hr10 - 49Pune, India
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See all 4 projectsLinescripts Softwares Pvt. Ltd. is a versatile development company specializing in custom CRM, ERP, and web development services. The company is praised for its timely delivery, budget adherence, and effective communication, with no negative feedback evident across reviews. Clients appreciate their goal-oriented approach and ability to provide intuitive design solutions, with approximately 100% of reviewers noting their professionalism and proactive engagement.
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UndisclosedUndisclosed10 - 49Brighton, England
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See all 4 projectsCreative Stack Ltd is a web development company specializing in custom website development, full-stack web development, and web application development. The feedback from clients is overwhelmingly positive, with over 95% highlighting their technical expertise, efficient communication, and calm demeanor. Clients appreciate the company's seamless collaboration and proactive project management, enhancing user-friendliness and project outcomes.
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$1,000+< $25 / hr10 - 49Noida, India
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See all 3 projectsBitlyze Technologies Private Limited is a web development company known for its expertise in custom website development and mobile app solutions. The company receives overwhelmingly positive feedback, with clients praising their efficient communication, timely delivery, and high-quality services. Notably, 100% of reviewers commend Bitlyze's effective project management and strong technical proficiency.
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$5,000+$25 - $49 / hr10 - 49Thiruvananthapuram, India
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See all 1 projectsStackmod Innovations is a web development company specializing in custom website development and e-commerce solutions. With a 100% positive feedback rate, reviewers commend their exceptional customer service and efficient execution of tasks. Notably, they successfully increased a client's online sales by 300%, demonstrating their capability in online development and digital platform creation.
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$10,000+$150 - $199 / hr10 - 49Hoover, AL
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See all 1 projectsKEYSYS is a software development company that excels in creating secure document transfer solutions, as demonstrated by their project with a bank-owned consumer finance company. They have received 100% positive feedback, with reviewers highlighting their responsiveness and ability to meet deadlines. Their work has significantly improved remote loan processing, transforming business operations during the COVID-19 pandemic.
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$1,000+$25 - $49 / hr10 - 49London, England
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See all 2 projectsDevsStream is a web development company specializing in custom website development and web design. They received 100% positive feedback, with clients highlighting their outstanding work quality and impressive website designs. Reviewers consistently praised their ability to deliver projects ahead of schedule and recommended clear communication of requirements for optimal results.
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$5,000+$50 - $99 / hr10 - 49Lexington, KY
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See all 3 projectsSaaS Partners, primarily known for their custom development services, have garnered a reputation as a reliable partner for creating applications and management suites. Their client feedback is overwhelmingly positive, with a significant emphasis on their excellent communication and project management capabilities. Approximately 90% of their reviews highlight their ability to deliver projects on time and within budget, showcasing their commitment to quality and customer satisfaction.
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$1,000+$25 - $49 / hr2 - 9
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See all 3 projectsAirbow IT Services is a technology development company specializing in website and mobile app creation. They are praised for their expertise and integrity, with 100% of reviewers noting their responsive project management and commitment to improvement. While some suggest enhanced project structure, the team's proactive adaptation and dedication to client success underscore their reputation as reliable long-term partners.
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$1,000+$25 - $49 / hr2 - 9L'viv, Ukraine
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See all 9 projectsWebComplete is a web development company known for its comprehensive Custom Website Development, SEO, and Web Design services. With a remarkable 100% positive feedback across reviews, clients frequently highlight their technical expertise, reliable project management, and efficient communication. Notably, over 70% of reviewers emphasize WebComplete's commitment to high-quality, client-focused solutions and their ability to significantly improve website performance and user engagement.
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$5,000+$25 - $49 / hr2 - 9Panaji, India
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See all 1 projectsOctalogic is a web development company that excels in custom web and mobile application development, demonstrating exceptional communication and reliability. With 100% positive feedback, clients praise their transparency, quality of work, and ability to exceed expectations, highlighting their commitment to delivering superior products and fostering strong client relationships.
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$10,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 1 projectsTweerous OOD is a development company specializing in complex fintech platforms, delivering both mobile and web applications with robust integration capabilities. Their work is highly regarded, with 100% positive feedback highlighting their independence and reliability, as evidenced by an app rating of 4.9 stars with over 1,000 reviews.
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$5,000+$25 - $49 / hr50 - 249Kolkata, India
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See all 11 projectsCrescentek is a versatile web development company renowned for its expertise in Website Development, SEO, and Custom Web Solutions. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their responsiveness, expertise, and value for cost. Their highly communicative and flexible approach to project management has led to seamless functionality and strong client satisfaction across diverse digital projects.
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$10,000+$50 - $99 / hr10 - 49
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See all 7 projectsEdicasoft is a versatile web development company specializing in full-stack web development and custom website development. The company has received overwhelmingly positive feedback for its ability to meet tight deadlines and its proactive, responsive team. Reviewers consistently praise Edicasoft's technical expertise and flexibility, with 100% of reviews highlighting their effective communication and innovative problem-solving.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
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See all 5 projectsPixometry Infosoft Pvt. Ltd., a web development company, excels in full-stack web and mobile application development, offering services like API creation and backend integrations. They are praised for their responsiveness and significant positive impact, with 100% positive feedback highlighting their flexibility and strong project management. Reviewers note their vested interest in client success.
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$10,000+$100 - $149 / hr10 - 49San Diego, CA
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See all 1 projectsWired Avenue is a mobile app development company known for its advanced mobile applications, logo design, and wireframing services. The reviews indicate a 100% positive feedback rate, highlighting their high-quality design work, effective communication, and dedication to exceeding project expectations with no areas needing improvement.
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$5,000+< $25 / hr10 - 49Hanoi, Vietnam
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See all 2 projectsPixiTech is a Web Development company known for its professional and responsive approach to programming and coding tasks. Reviews highlight their strong alignment with client values and budgets, with 100% of responses noting timely project delivery. Clients appreciate their attentiveness and look forward to future collaborations with PixiTech.
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$1,000+< $25 / hr10 - 49Bhubaneswar, India
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See all 3 projectsYoctotta Softwares Private Limited is a web development company specializing in Web Design and Website Development, offering services such as creating custom websites with email capabilities. Client feedback highlights their professionalism and effective communication, with 100% of reviewers mentioning their impressive work culture and project management style.
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$1,000+< $25 / hrFreelancer
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See all 4 projectsKarabach Media is a web development company recognized for its professional and client-focused approach in custom website development. With a 100% positive feedback rate, reviewers consistently highlight the company's effective communication, timely project management, and ability to increase website traffic, showcasing their expertise in full-stack web development.
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$1,000+$50 - $99 / hr2 - 9
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See all 2 projectsGreenhouse web studio is a web development company specializing in custom website development and digital strategy. They received positive feedback for their strategic approach and effective project management, with 100% of reviewers noting timely delivery and collaborative processes. The studio excels in crafting marketing-focused websites, achieving increased brand recognition and lead generation for their clients.
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$1,000+$50 - $99 / hr2 - 9Old Bridge, NJ
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See all 1 projectsBoftware is a software development company specializing in app development, website optimization, and offering technological advice. According to client feedback, 100% of reviewers praised their project management, timely delivery, and collaborative approach, highlighting their ability to align with client goals and provide valuable insights. Their service consistently exceeds expectations, with no areas for improvement identified.
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List of the Top 15 JavaScript Development Companies
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$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.