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 87 projectsDigis, a Fiverr company (NYSE: FVRR), is a web development firm offering comprehensive solutions in custom website development, full-stack web development, and web application development. With 100% positive feedback, clients commend their seamless integration into teams, high-quality deliverables, and responsiveness. Approximately 80% of reviews highlight their effective project management and communication, emphasizing their reliability and expertise in meeting project milestones.
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Undisclosed$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 6 projectsOpsWay is a versatile technology firm specializing in custom software development, web hosting management, and e-commerce support. Their services are consistently praised, with 100% of reviews highlighting their professionalism, reliability, and 24/7 support capabilities. Clients commend OpsWay's technical expertise and project management, noting their ability to meet deadlines and provide effective solutions to complex challenges, though some suggest minor improvements in flexibility and certification.
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$10,000+$300+ / hr50 - 249Islamabad, Pakistan
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See all 1 projectsUnited Sol is a digital marketing and development company specializing in SEO services. Reviewers consistently praise their technical expertise, project management, and impact on website performance, with one client noting a 50% increase in web traffic. Their transparent communication and detailed reporting are standout features, with 100% of feedback being positive and recommending their services.
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$1,000+$50 - $99 / hr10 - 49Seattle, WA
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See all 3 projectsTekByt LLC is a proficient web development company specializing in Custom Website Development and Web Design. Across their reviews, 100% of clients commend their responsiveness, professionalism, and ability to meet deadlines. Key strengths include flexibility and understanding of client needs, noted by 100% of reviewers. This company is recommended for both mobile and desktop-responsive projects.
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$1,000+< $25 / hr10 - 49Chennai, India
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See all 1 projectsPerennial IT Solutions is a web development company specializing in Website Design, Web App Development, and Mobile App Development. They received positive feedback for their on-time delivery and strong project commitment, with around 90% of reviewers highlighting these attributes. Reviewers suggest they focus more on custom development projects.
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$1,000+$25 - $49 / hr10 - 49Karachi, Pakistan
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See all 2 projectsNomadech Solutions is a web development company specializing in website development and rebranding projects. Clients appreciate their professional approach, unique solutions, and adherence to deadlines. Although minor security issues arose during a project, they were promptly resolved. Overall, feedback is positive, highlighting their capability in creating pixel-perfect designs.
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$25,000+$50 - $99 / hr10 - 49Chennai, India
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See all 1 projectsNYL Technology is a versatile tech firm offering comprehensive AI and generative AI solutions, specializing in maritime and eCommerce sectors. With a strong emphasis on agile, cost-effective development, they maintain a 90%+ on-time project delivery rate. Their expertise in custom AI models and innovative solutions has been praised, with 95% of issues addressed effectively.
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Undisclosed< $25 / hr10 - 49Ahmedabad, India
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See all 2 projectsHV InfoTech offers comprehensive services in Website Development, Web Design, and Online Development, specializing in case management websites, AWS server implementation, and e-commerce solutions. Clients consistently commend the company for its punctual delivery, alignment with client values, and excellent communication, particularly noting the timely response and regular project status updates. The feedback highlights satisfaction with their reasonable pricing and effective project management.
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$1,000+< $25 / hr10 - 49Indore, India
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See all 2 projectsAim2Tech is a web development company renowned for its custom website development and full-stack web development services. The reviews reflect a 100% positive sentiment, highlighting their exceptional attention to detail, commitment to quality, and efficient project management. Clients laud their ability to seamlessly integrate features and deliver top-notch solutions within budget and timelines.
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$1,000+< $25 / hr10 - 49Hyderabad, India
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See all 1 projectsRedblocks Solutions is a web development company specializing in enhancing mobile applications through custom website development and web programming. Reviews indicate a strong emphasis on user-friendly design and optimal performance, with 100% of clients satisfied with the project's timely delivery and responsiveness to feedback. Notably, client feedback highlights their exceptional customer service and alignment with business objectives.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 1 projectsUNIQUE IT SOLUTION is a custom software development company highly praised for its timely and quality work, particularly in PBX and VOIP device management software. The company employs Agile methodologies, with 100% positive feedback highlighting their effective project management and communication. Reviewers emphasize their excellent value for cost and strong cultural fit.
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$5,000+$100 - $149 / hr2 - 9Canada
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See all 3 projectsSaaSberry Innovation Laboratories Ltd. is a web development company specializing in web application development. Feedback from clients highlights their expertise in creating visually appealing solutions, with 100% of reviews mentioning positive user feedback on the end deliverable. Their project management style is noted for flexibility and open communication, ensuring that all client concerns are addressed promptly.
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$1,000+$50 - $99 / hr2 - 9Baldivis, Australia
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See all 2 projectsThorn Creative is a web design company specializing in website redesign and development services, particularly for WordPress sites. Feedback from clients is overwhelmingly positive, with 100% expressing satisfaction with their projects' outcomes. Clients appreciate the professionalism, effective communication, and dedication to achieving project goals, highlighting particularly the company's ability to explain technical concepts clearly.
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$5,000+$50 - $99 / hr2 - 9
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See all 1 projectsJU Marketing is a web development company praised for its exceptional Website Development services, seamlessly integrating online tools like Clover POS and OpenTable. With 100% positive feedback, clients commend their timely project delivery, responsiveness, and bilingual communication skills, showcasing a strong alignment with company values and client needs.
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$25,000+$25 - $49 / hr10 - 49Berlin, Germany
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See all 10 projectsagileful is a web development company specializing in front-end development and custom website development. Their clients report high satisfaction, with over 75% rating their performance positively. Common themes in the feedback highlight their ability to deliver on time, budget-consciousness, and transparency, though clearer budget estimations are suggested improvements.
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$5,000+$50 - $99 / hr10 - 49Cheyenne, WY
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See all 1 projectsVanguard Solution is a company specializing in business process automation and information streamlining. Feedback from their clients is overwhelmingly positive, with 100% highlighting their exceptional customer service, timely delivery, and effective communication. Clients appreciate their alignment with budgetary constraints and the passion demonstrated by the company's owners.
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$5,000+$100 - $149 / hr10 - 49London, England
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See all 3 projectsPasimedia is a web development company specializing in branding, graphic design, and website design, with a strong emphasis on creating professional websites using WordPress. Overall feedback is positive, with 100% of reviewers praising their expertise in branding and web design, though 50% note a need for improved attention to detail during website development.
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$1,000+$25 - $49 / hr10 - 49
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See all 7 projectsByteNaNa is a versatile Web Development company specializing in custom and full-stack web solutions, offering services like web application development and firmware for IoT systems. Clients praise their responsiveness, flexibility, and ability to align with project goals, with 100% of reviews highlighting their technical skill and dedication. Some suggest enhancing testing phases to refine deliverables further.
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$5,000+$50 - $99 / hr10 - 49Chennai, India
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See all 2 projectsAbsolute App Labs offers custom software development services, specializing in end-to-end solutions that enhance operational efficiency through automation and tailored software. Across their reviews, clients consistently commend the company for its exceptional communication, timely delivery, and ability to understand and adapt to client needs. Positive client feedback highlights their flexibility and effective project management practices.
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$1,000+$50 - $99 / hr10 - 49London, England
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See all 4 projectsNEUROTIC Ltd. is a Web Development company specializing in high-quality Custom Website Development and Web Design. With a focus on iterative collaboration, they deliver tailored solutions that significantly enhance client marketing efforts. Reviewers consistently praise their willingness to refine outputs, with 100% of feedback highlighting their dedication to achieving the desired final product.
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$5,000+$25 - $49 / hr10 - 49New Delhi, India
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See all 4 projectsDigiBySR is a web development company specializing in website development, web design, and full-stack web development services. Their clients consistently praise their responsive communication and project management skills. With a 100% positive feedback rate, 67% of reviewers emphasize their expertise in delivering user-friendly custom website development and UI design solutions.
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$10,000+Undisclosed10 - 49Stafford, England
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See all 1 projectsLangley Foxall Ltd. is a software development company specializing in creating custom digital solutions, such as online configurator tools, to enhance customer engagement and streamline processes. Feedback indicates a high level of satisfaction, with clients praising their effective project management and the positive impact on lead generation and sales.
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$1,000+$50 - $99 / hr50 - 249
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See all 2 projectsLaunch Smarter is a performance marketing company specializing in programmatic SEO and growth best practices. Their clients report significant improvements in organic traffic and user acquisition, with a 100% positive feedback rate. Clients appreciate their efficient project management and ability to scale content while maintaining quality, though some suggest more frequent reporting could be beneficial.
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$1,000+< $25 / hr10 - 49
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See all 1 projectsNOTEG TECHNOLOGIES PVT. LTD. is a web development company excelling in custom website and application development, with a focus on user-friendly interfaces and GDPR compliance. Reviewers consistently commend their clear communication, resource management, and timely delivery, with 100% positive feedback highlighting seamless integration and improved operational efficiency across projects.
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$1,000+$25 - $49 / hr2 - 9
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See all 8 projectsDevStitch is a web development company specializing in custom website development and full-stack web development. With an impressive track record, 100% of reviews highlight timely project delivery and exceptional problem-solving skills. Clients commend their ability to understand client needs, proactive communication, and seamless integration of diverse functionalities, making them a preferred choice for innovative web programming and online development projects.
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$1,000+$25 - $49 / hr2 - 9
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See all 2 projectsClickwebb specializes in Website Development and Web Programming, delivering exceptional custom-designed WordPress sites with a focus on creativity, technical expertise, and client satisfaction. Reviews highlight their exemplary project management, seamless communication, and commitment to client needs, though suggest improvements in initial briefing processes and more in-depth training sessions. Overall, clients report positive experiences and enhanced online engagement.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsSolvant IT Software House is a web development company highly praised for creating custom website development and optimizing sites for search engines. Their effective project management and timely delivery resulted in a 100% positive feedback, with significant increases in client inquiries and improved search engine rankings noted by 100% of reviewers.
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$5,000+$50 - $99 / hr2 - 9
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See all 1 projectsMacroMade Inc. - Out of Business was a web development company that specialized in creating websites tailored to client visions. Overall, reviews were positive, highlighting their ability to understand client needs and improve site navigation and visual appeal. Clients appreciated their effective communication and responsiveness, with 100% satisfaction in project management and no reported complaints.
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$25,000+$25 - $49 / hr2 - 9
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See all 1 projectsFAiTRiX is a software development company specializing in creating custom CRM systems. Their client reviews reveal a 100% satisfaction rate, highlighting their strong project management skills, responsiveness, and adaptability to client needs. Despite minor language barriers, clients appreciate their dedication and ability to deliver error-free systems that enhance business operations.
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$5,000+$25 - $49 / hr10 - 49Islamabad, Pakistan
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See all 2 projectsDiveDeepAI offers services in Web Development and Web Programming, specializing in chatbot creation and Chat GPT integration. Reviews highlight the company's professional approach, technical expertise, and commitment to client satisfaction, emphasizing their ability to deliver customized, intuitive, and high-functioning solutions. Overall, DiveDeepAI is highly recommended for its exceptional service and collaborative nature.
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$50,000+$50 - $99 / hr10 - 49Granadilla, Costa Rica
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See all 2 projectsCreek Software is a custom software development company known for delivering high-quality, maintainable code and progressive digital solutions. Their reviews indicate a strong commitment to project success and customer satisfaction, with 100% of reviewers acknowledging their professionalism and effective project management. Clients commend their responsiveness and dedication, with no major areas for improvement mentioned.
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$1,000+< $25 / hr50 - 249Thành phố Việt Trì, Vietnam
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See all 4 projectsONEXT DIGITAL is a web development company specializing in custom website development and web design. Reviews highlight their expertise in WordPress and their exceptional communication skills, with 100% noting their professionalism and project success. They consistently exceed client expectations, providing innovative solutions and enhancing user experience across platforms.
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$1,000+< $25 / hr10 - 49Sousse, Tunisia
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See all 1 projectsBravo Byte is a marketing and web redesign company that assists businesses with enhancing their online presence. Feedback indicates a high level of satisfaction, with 100% of reviewers noting successful outcomes and effective communication. The company is praised for its quick responses, honest advice, and ability to increase global visibility and business opportunities.
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$1,000+$25 - $49 / hr2 - 9Mississauga, Canada
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See all 3 projectsSKYHiDEV offers Website Development and Web Design services, demonstrating responsiveness and a commitment to timely project completion. Their clients appreciate their effective communication and the ability to deliver optimized, user-friendly websites, leading to measurable improvements in online traffic. Overall, SKYHiDEV is praised for their professionalism and efficiency in handling web development projects.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsArray Developers is a comprehensive web and mobile application development company that also offers digital marketing services, including SEO. Based on their reviews, 100% of feedback is positive, highlighting their outstanding responsiveness and high-quality coding. Clients have reported improved search engine rankings and user satisfaction, and they recommend Array Developers for their exceptional project management and service delivery.
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$1,000+< $25 / hr10 - 49Bhopal, India
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See all 3 projectsInnctech Solutions is a web development company specializing in providing custom website development and full-stack web development services. The reviews highlight their strong commitment to timelines and responsiveness, with 100% of clients noting their impressive project management skills. Clients appreciate their ability to deliver complex projects efficiently, although one review suggested improvement in written communication without impacting the work quality.
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$1,000+< $25 / hr10 - 49Jaipur, India
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See all 2 projectsARS Digitech is a web development and app development company known for its transparency, responsiveness, and effective project management. They receive positive feedback for delivering projects on time and meeting client requirements, with 100% of reviewers noting their honesty and willingness to collaborate. Clients highlight the ease of communication with a single point of contact and commend their scalable project designs.
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$1,000+$50 - $99 / hr10 - 49Delhi, India
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See all 2 projectsDench Infotech is a web development company specializing in API integration and B2B system development. The feedback highlights their technical expertise, timely project delivery, and effective communication, with 100% of reviewers noting these strengths. Clients appreciate their quick response and value for cost, although marketing improvements are suggested for better visibility.
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$10,000+$25 - $49 / hr2 - 9Mazotos, Cyprus
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See all 2 projectsRelease ASAP is a web development company specializing in full-stack and custom website development. Their reviews indicate a strong work ethic and efficient project management, with 100% of clients highlighting their effective communication and timely delivery. This company is notably appreciated for maintaining and developing web-based fintech products.
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Undisclosed$50 - $99 / hrFreelancerOdry, Czech Republic
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See all 1 projectsMichaela Bartoňová - freelancer is an Android app developer who successfully delivered a project involving a single tall image with AdSense integration, compatible across all Android devices. The app achieved substantial success on Google Play, with tens of thousands of downloads and hundreds of positive reviews, indicating a high satisfaction rate. Clients noted effective workflow and had no specific areas for improvement.
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$5,000+$50 - $99 / hr10 - 49
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See all 5 projectsSeetru Studio Sdn Bhd is a web development company specializing in Website Development, Web Design, and Web Programming services. Reviews consistently highlight their professionalism, effective communication, and commitment to client satisfaction, with over 90% of feedback being positive. They are praised for their extensive experience and ability to understand and deliver client requirements efficiently, often providing innovative solutions and maintaining high standards in project execution.
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$1,000+$100 - $149 / hrFreelancerBarre, VT
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See all 5 projectsWits Enj Web Development and Design is a web development company specializing in custom website development, web design, and ongoing maintenance. Across their reviews, 100% of clients highlighted their efficiency, clear communication, and creative solutions as strengths. Clients praised their effective project management and the ability to deliver on time without any notable areas for improvement.
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$25,000+$50 - $99 / hr10 - 49
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See all 13 projectsFive Programmers is a web development company specializing in mobile app and custom website development, offering comprehensive solutions for enhancing business efficiency and communication. With a strong emphasis on attentive project management and effective communication, 100% of reviewers praised their ability to deliver projects on time and within budget, highlighting their excellent cultural fit and value for cost.
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$5,000+$25 - $49 / hr10 - 49
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See all 2 projectsVappar - The Consult Things is a versatile IT solutions provider specializing in IoT development and customized learning management systems. Reviewers commend their strong development skills, initiative, and flexibility, with 100% of feedback highlighting effective execution and professional conduct. Areas for improvement include customer delivery and project management skills, as noted by approximately 50% of clients.
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$1,000+$25 - $49 / hrFreelancerCape Town, South Africa
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See all 1 projectsRaceLine Design Studio is a web design company known for its exceptional ability to enhance online presence through Website Development. They consistently deliver projects on time with clear communication and a strong work ethic. Reviews highlight their modern designs and user-friendly interfaces, with 100% positive feedback emphasizing their alignment with client values and project needs.
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$1,000+< $25 / hr50 - 249Lahore, Pakistan
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See all 3 projectsCatalyic Tech is a web development company specializing in custom website development and full-stack web development. Clients praise their professionalism, timely project delivery, and effective communication, with 100% of reviewers expressing satisfaction with their services. Notably, they have developed projects using WordPress, Shopify, and PHP Laravel, demonstrating versatility in front-end and back-end development.
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$1,000+$25 - $49 / hr10 - 49New Delhi, India
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See all 2 projectsAcnosoft is a digital solutions provider specializing in SEO and website development. Reviews indicate a 100% positive feedback rate, highlighting their expertise in driving online growth, with a 70% increase in inquiries and 65% higher conversion rates. Clients commend their project management efficiency, responsiveness, and alignment with business goals, though minor website refinements were suggested.
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$10,000+$100 - $149 / hr2 - 9Lyndhurst, OH
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See all 8 projectsBamboo Software, LLC is a custom software development firm specializing in Web Application Development and Custom Website Development. The company receives consistently positive feedback, with clients highlighting their professionalism, clear communication, and ability to deliver projects on time and within budget. Approximately 100% of reviews emphasize their strong project management and adaptability to client needs.
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$1,000+< $25 / hr2 - 9
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See all 10 projectsOne0 is a proficient web development company specializing in Custom Website Development and Web Design. The company has consistently impressed clients with its responsiveness and communication skills, as evidenced by 100% positive feedback. Their expertise in adapting to new requirements and delivering high-quality, functional websites on time is particularly notable.
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$10,000+$25 - $49 / hr10 - 49Kington, England
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See all 7 projectsStarlio.tech is a web development company specializing in online development and custom website development. The company received 100% positive feedback across reviews, emphasizing their effective project management, timely delivery, and professional communication. Clients highlighted their ability to adapt to new technologies and deliver marked improvements in sales and internal efficiencies.
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$1,000+$25 - $49 / hr2 - 9
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See all 9 projectsCodemarine Technologies is a web development company specializing in full-stack web development and custom website development, including web application development and web design. Their services received overwhelmingly positive feedback, with clients praising their on-time delivery, attention to detail, and ability to exceed expectations. Notably, 100% of reviewers commend their responsiveness, project management skills, and commitment to quality and customer satisfaction.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$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 -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
37.7/40.018.4/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.9/40.019.6/20 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
39.3/40.019.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% 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 -
$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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% 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 -
$25,000+$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 -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% 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 -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$1,000+< $25 / hr1,000 - 9,999Los Angeles, CA
Ability to deliver
36.9/40.019.6/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
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 / hr250 - 999Irvine, CA
Ability to deliver
36.4/40.016.4/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.1/40.019.4/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other
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.