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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$25,000+< $25 / hr10 - 49Ho Chi Minh City , Vietnam
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See all 6 projectsVentuso LLC is a web development company specializing in web application development and custom website development. With a 100% positive feedback rate, clients commend Ventuso's proactive problem-solving and thorough analysis. While some communication barriers exist, clients appreciate their dedication, extra features, and competitive pricing. Ventuso’s commitment to customer satisfaction and quality work is frequently highlighted in reviews.
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$5,000+$25 - $49 / hr50 - 249
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See all 10 projectsMuoro is a web development company recognized for its expertise in custom website development and web application development. With 100% positive feedback, reviewers highlight their innovative approach, technical expertise, and commitment to quality. Clients commend Muoro for timely deliverables and cost-effective solutions that align with business needs, enhancing user interactions significantly.
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$5,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 4 projectsUMIND is a software development company specializing in providing skilled developers for tasks such as backend infrastructure, mobile app development, and website performance improvement. With 100% positive feedback, clients commend UMIND for its deep technical expertise, swift project delivery, and exceptional communication skills, often highlighting the seamless integration of their developers into existing teams.
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$75,000+Undisclosed10 - 49Raleigh, NC
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See all 2 projectsAmplifi Labs is a web development company specializing in full-stack web development, including web application development and custom website development. With 100% positive feedback, reviews highlight their expertise, excellent communication, and problem-solving capabilities, emphasizing their ability to efficiently deliver functional MVPs and resolve complex technical issues. Reviewers consistently mention their professionalism and strong vendor relationships.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 2 projectsAl Akhzir Tech (Pvt) Ltd. is a web and mobile app development company noted for its responsive communication and commitment to project quality. Reviews highlight their efficiency in delivering visually appealing and functional websites, as well as their innovative approach to addressing client needs. With an 80% satisfaction rate, clients appreciate their professionalism despite some project delays.
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$5,000+$25 - $49 / hr10 - 49
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See all 2 projectsSOK LAB is a web development company known for delivering high-quality, full-stack web development services. They excel in custom website development, including web design and promotional material creation. Client feedback highlights their professionalism, effective communication, and timely delivery, with a notable 90% success rating on Google for page speed and structure. The reviews are overwhelmingly positive, emphasizing their expertise and customer satisfaction.
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$10,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 11 projectsHYFATech is a web development company specializing in custom website and full-stack web development services. Clients commend their responsive and agile project management, with 100% of reviews highlighting effective communication and transparency. The team's expertise in web design and development consistently meets clients' needs, although some suggest starting SEO guidelines earlier in the process.
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$1,000+$150 - $199 / hr2 - 9
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See all 2 projectsiGenerate Digital offers Website Development, Web Design, and Online Development services, receiving high praise for their ability to deliver aesthetically pleasing, easy-to-navigate websites while enhancing organic web traffic through SEO. The reviews highlight exceptional project management, attentive communication, and strong alignment with client values, contributing to successful outcomes and high client satisfaction.
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$10,000+$50 - $99 / hr50 - 249Dubai, United Arab Emirates
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See all 1 projectsTFT Technology is a web development company known for its expertise in custom website development and full-stack web development. The feedback reflects a 100% satisfaction rate, highlighting significant traffic increase (over 60%) for clients and commendable project management. Reviewers commend their communication, design skills, and ability to meet expectations consistently.
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$1,000+$25 - $49 / hr2 - 9
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See all 2 projectsCodeMedia 360 is a web development company specializing in custom website solutions and full-stack web development. They are praised for their user-friendly designs and proactive project management. Clients appreciate their dedication to client needs, with 100% positive feedback highlighting their seamless integration of features and commitment to deadlines. Their adaptability and comprehensive approach to client projects have significantly improved online engagement and sales.
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$1,000+$25 - $49 / hr2 - 9New Town, India
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See all 1 projectsEnvizn labs is a web development company specializing in Website Development and Web Design services. Reviewers consistently highlight their effective communication and timely delivery, with 100% of feedback being positive regarding their project management and development skills, particularly in handling custom website development projects.
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$1,000+$25 - $49 / hr10 - 49Islamabad, Pakistan
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See all 9 projectsLinknbit is a web development company specializing in Website Development, Web Design, and Custom Website Development. Across their reviews, 100% of clients commend their project management and responsive communication, while 80% highlight their ability to meet or exceed expectations on identified goals such as improved user experience and website functionality. The company consistently delivers high-quality, client-centric solutions that align with project objectives.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 7 projectsCodeCaste Pvt. Ltd. is a web development company specializing in WordPress Web Development, Custom Website Development, and Full-Stack Web Development. Reviews highlight their timely, efficient delivery, excellent communication, and impressive coding expertise. With no significant areas for improvement noted, 100% of reviews emphasize their professional project management and ability to meet client needs effectively.
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$5,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 8 projectsDikonia is a web development company specializing in custom web application development, focusing on PHP and MySQL technologies. Feedback from clients highlights their strong responsiveness and project management skills, with 100% of reviewers noting their promptness and understanding. While some communication challenges and time zone differences were mentioned, the overall reception is positive, especially for their ability to address issues quickly and adapt to client needs.
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$1,000+$50 - $99 / hr2 - 9
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See all 2 projectsAntares Systems LLC is a digital marketing and web development company offering comprehensive services, including website design, social media management, and CRM integration. Reviews highlight their reliability, efficiency, and strong communication, with 100% positive feedback for timely delivery and client satisfaction. Approximately 50% of reviewers specifically praised their ability to facilitate client growth and meet tight deadlines.
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$25,000+Undisclosed2 - 9Wyoming, MI
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See all 1 projectsMasuga Design is a web development company specializing in custom website development and web application development. They excel at translating clients' visions into functional websites, as evidenced by increased traffic and positive feedback. However, while 100% of reviewers commend their initial development capabilities, 100% also note concerns about responsiveness and ongoing support, suggesting a focus on upfront projects rather than long-term maintenance.
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$5,000+$25 - $49 / hr50 - 249delhi, India
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See all 2 projectsAppernity is a web development company specializing in full-stack web development and custom website development. Review feedback highlights a 100% satisfaction rate with their services, noting exceptional UI/UX design and seamless project delivery. Clients commend their technical expertise and outstanding leadership, resulting in notable business growth, such as a 30% month-over-month increase in sales.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 5 projectsDevRain is a web development company specializing in custom website development and full-stack web development. According to their reviews, 100% of feedback is positive, highlighting their unique creativity, precision, and effective project management. Their work led to over 4,000 users and nearly 30,000 page views on a client's website.
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$1,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 4 projectsLiluWeb Development Studio is a full-stack web development company specializing in custom website development, web application development, and front-end development. Their reviews indicate a strong emphasis on fast, effective communication and problem-solving, with over 90% of reviewers praising their quick response times and ability to meet project requirements. Clients consistently commend their commitment to delivering high-quality, functional solutions.
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$1,000+$25 - $49 / hr10 - 49Gurugram, India
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See all 3 projectsColoredCow Consulting is a proficient web development company specializing in website and web application development, with expertise in both front-end and back-end development. They have received overwhelmingly positive feedback, with reviewers praising their agile project management, open communication, and commitment to exceeding expectations. Notably, 100% of reviewers highlighted their collaborative approach and effective delivery of complex projects.
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$1,000+$25 - $49 / hr10 - 49Bengaluru, India
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See all 13 projectsBrandshark is a web development company specializing in custom website development, web design, and full-stack web development. With 100% positive feedback from reviewers, clients praise their professionalism, responsiveness, and value for cost. Key themes include impressive design quality and timely delivery, with 83% of reviewers mentioning the company's excellent project management and communication. Brandshark consistently delivers user-friendly and responsive websites that enhance customer satisfaction and business performance.
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$1,000+$100 - $149 / hr10 - 49
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See all 3 projectsCrossfield Digital is a full-stack web development company renowned for its expert website development and design services. With an impressive track record, 100% of reviewers commend their seamless project management and responsiveness. They excel in creating user-friendly platforms that enhance brand visibility and facilitate seamless user experiences, evidenced by their work on a global sports tournament's expanding online presence.
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$10,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 2 projectsInnoverse is a web development company specializing in custom website development and online development solutions, including web design and full-stack web development. All reviewers express satisfaction, highlighting stylish and well-functioning websites with excellent project management and 24/7 problem-solving support. The company has maintained a 100% positive feedback rate, with no issues reported by clients.
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$5,000+< $25 / hr10 - 49Kolkata, India
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See all 6 projectsBlue Copper Technologies Pvt Ltd is a custom software development company known for delivering high-quality applications across diverse industries, including fashion, accounting, insurance, and legal services. Their expertise in creating geo-location apps, web interfaces, and custom platforms is reflected in their clients' satisfaction, with approximately 90% of feedback being positive. Clients commend their project management skills, responsiveness, and dedication, though some mention challenges due to geographical differences.
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$5,000+< $25 / hr50 - 249Colombo, Sri Lanka
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See all 4 projectsXiteb Pvt Ltd is a web development company offering services in eCommerce websites, custom software, and mobile app development. Reviews indicate a 100% satisfaction rate, praising their professionalism, timely delivery, and QA processes. Clients appreciate their project management skills and effective communication, mentioning they are highly supportive and value-oriented.
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$1,000+< $25 / hr10 - 49Faridabad, India
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See all 24 projectsNetMaxims Technologies is a web development company specializing in custom website development, web application development, and online development. They consistently receive positive feedback for their punctuality, professionalism, and effective communication, with 100% of reviewers praising their ability to meet project deadlines and deliver high-quality results. Their transparent approach and dedication to client satisfaction are frequently highlighted by clients.
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$1,000+$25 - $49 / hr10 - 49Chandigarh, India
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See all 5 projectsSkytz Software Labs is a software development company specializing in mobile app development, web development, and system solutions. Reviews highlight their exceptional ability to meet client needs
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$5,000+$100 - $149 / hr2 - 9Buckingham, England
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See all 5 projectsYellow Moose is a web development company that specializes in Website Development, including e-commerce and custom website solutions. Reviews from clients are overwhelmingly positive, highlighting their high-quality work, responsive communication, and competitive pricing. Over 90% of reviewers praised their project management and ability to fulfill complex requirements, underscoring their passion and enthusiasm for producing excellent web solutions.
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$10,000+$25 - $49 / hr10 - 49
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See all 6 projectsDatacrafts.io is a web development company specializing in custom website development and web application development, particularly using Ruby on Rails and Vue.js. Their reviews highlight a remarkable 100% client satisfaction rate, emphasizing their flexibility, responsiveness, and high-quality code. Their ability to integrate testing and handle complex projects with professionalism and expertise is frequently mentioned, showcasing their impressive commitment to project success.
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$25,000+$150 - $199 / hr10 - 49San Diego, CA
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See all 3 projectsFrogmouth Digital is a web development company specializing in Drupal-based website development and customization. They have been praised for their ability to meet deadlines and deliver features on time, with 100% of reviewers noting successful project outcomes. While their innovative approach is appreciated, 50% of reviewers mentioned occasional communication challenges.
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$10,000+$100 - $149 / hr2 - 9Vancouver, Canada
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See all 3 projectsHammerhead is a web development company specializing in custom website development and web design, offering services such as data migration and full-stack web development. With 100% positive feedback, clients praise their quality work, effective communication, and adherence to quotes. Notably, 33% of reviews highlight their ability to significantly improve website traffic and user engagement.
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$5,000+$100 - $149 / hr2 - 9
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See all 1 projectsQSSTUDIO is a web development company known for its expertise in Website Development and Web Programming. They receive consistently high praise, with 100% of reviewers highlighting their technical knowledge and the timely delivery of projects. Clients appreciate their alignment with company values and cost-effective solutions.
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$25,000+$25 - $49 / hr50 - 249Seoul, South Korea
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See all 1 projectsMckinley & Rice Inc. is a web development company that specializes in Website Development, Web Design, and Web Programming, with an emphasis on WordPress, WooCommerce, and AWS. Reviewers consistently highlight their ability to deliver projects on tight schedules, with 100% positive feedback on their project management and client communication. They excel in customizing and localizing web solutions to meet specific client needs.
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$5,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 4 projectsBorea Studio is a web development company specializing in custom website development and web design. They are consistently praised for high-quality design work and their dedication to understanding client visions, though 33% of reviews mention improvements needed in project timelines. Overall, they are recognized for providing good value for cost and personalized service.
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$1,000+$50 - $99 / hr10 - 49Miami, FL
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See all 2 projectsCode 8 specializes in full-stack web development, providing services that encompass both front-end and back-end development, with expertise in platforms like WordPress and HubSpot. Reviews highlight their high-quality standards, responsiveness, and ability to integrate design with development. About 90% of feedback is positive, with clients praising their project management and ability to find creative solutions. However, some suggest improvements in proactive communication and deadline adherence.
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$5,000+$50 - $99 / hr2 - 9Zagreb, Croatia
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See all 8 projectsBeap is a professional web development company specializing in custom website and web application development, with expertise in front-end and back-end development. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their timely delivery, technical proficiency, and adaptability to client needs. Clients frequently praise Beap's strong communication skills and their ability to work well within diverse and distributed teams.
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$1,000+$50 - $99 / hr2 - 9Cape Town, South Africa
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See all 12 projectsVegatech is a renowned web development company specializing in custom website development and web design, frequently praised for their professionalism, attention to detail, and timely delivery. With 100% positive feedback, clients consistently commend Vegatech's ability to translate visions into functional, user-friendly websites, leading to enhanced online presence and increased business outcomes.
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$5,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 7 projectsEl Pixel is a web development company specializing in front-end and back-end development, offering services such as custom website development and web application development. The reviews indicate a high satisfaction rate, with 100% of the feedback being positive, highlighting their timely delivery, responsive communication, and alignment with client company values. Notably, 75% of the reviewers praised their effective project management and cost-effective solutions.
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$1,000+< $25 / hr50 - 249
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See all 5 projectsSkyQuest is a versatile digital transformation company specializing in custom software development, e-commerce solutions, and inbound marketing strategies, with a notable emphasis on HubSpot CRM integration and business intelligence platforms. The company has received overwhelmingly positive feedback, with 100% of reviews highlighting their professionalism, effective communication, and transparent project management. Clients consistently praise their responsiveness and ability to deliver projects on time, underscoring SkyQuest's commitment to excellence and client satisfaction.
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$5,000+$50 - $99 / hr10 - 49
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See all 6 projectsDesignTorontoWeb.ca is a web development company specializing in custom website development and SEO optimization. Client reviews reveal positive outcomes, with a 40% increase in traffic and improved search rankings, while highlighting their responsive communication and strategic insights. Approximately 90% of feedback mentions their technical prowess and strategic approach, though some minor delays in design tweaks were noted.
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$1,000+< $25 / hr10 - 49Jaipur, India
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See all 8 projectsSERP SHINE is a comprehensive web development and digital marketing company, excelling in services like web design, SEO, and social media management. Customers frequently highlight their expertise in Web Programming and SEO, with over 90% of reviews praising their effective strategies and professional project management. Their attention to detail and tailored approach significantly improve online traffic, rankings, and customer engagement.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsAbstract Infosys is a digital marketing agency in Nepal specializing in SEO and web development services. They have received overwhelmingly positive feedback, with 100% of reviewers praising their project management and planning. Clients note significant improvements in organic traffic and keyword rankings, underscoring their expertise in website development and online visibility enhancement.
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$50,000+$50 - $99 / hr10 - 49Timișoara, Romania
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See all 1 projects[e-spres-oh] is a software engineering company known for its ability to integrate seamlessly with clients' teams, offering services that include enhancing data integration using Ruby on Rails. The company is praised for its strategic acumen and responsiveness, with 100% of feedback highlighting their strong partnership and proactive approach, although some mention the need for occasional prompting in handling bugs.
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$5,000+Undisclosed10 - 49
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See all 2 projectsAbron Studio is a versatile creative agency specializing in video motion production, branding, and web design. The company consistently receives positive feedback, with 100% of reviewers praising their professionalism, creativity, and project management. Clients commend their ability to deliver high-quality content on time and within budget, contributing significantly to branding and educational efforts.
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$25,000+$150 - $199 / hr2 - 9London, England
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See all 3 projectsPixie Labs is a web development company known for their technical expertise and agile approach, providing services like Custom Website Development and Web Application Development. With a focus on aligning with client values and culture, they have demonstrated a 100% positive feedback rate from clients, highlighting their ability to deliver projects on time and adaptively meet changing requirements.
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$25,000+$25 - $49 / hr50 - 249
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See all 2 projectsProfITsoft is a distinguished web development company specializing in Java enterprise solutions, custom website development, and web application development. Their expertise significantly contributed to a client's commercial success, with 100% of reviewers praising their professionalism and on-time delivery. However, 10% noted language proficiency as an area for improvement, although communication remained effective overall.
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$1,000+< $25 / hrFreelancerRajkot, India
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See all 1 projectsVijay Bhatiya is a front-end development specialist known for his expertise in HTML, CSS, JavaScript, TypeScript, and SCSS, providing dynamic and reliable website development services. With 100% positive feedback, he is praised for his diligence, enthusiasm, and adaptability, making him an indispensable asset for ongoing web programming projects.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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See all 1 projectsCodevale Technologies is a web development company providing Website Development, Web Design, and digital marketing services. Their clients appreciate their responsive communication and competitive pricing, leading to improved website performance and increased leads. Approximately 100% of reviewers highlight their efficient service and willingness to go the extra mile, with no significant areas for improvement noted.
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$1,000+< $25 / hr2 - 9Bikaner, India
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See all 1 projectsMintoSoft is a web development company specializing in custom website development and web application development. They received 100% positive feedback, with clients praising their professionalism, effective communication, and ability to meet deadlines. MintoSoft effectively delivered a quality project for an online music education platform using PHP, MySQL, and Unity technologies.
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$10,000+$50 - $99 / hr50 - 249Philadelphia, PA
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See all 12 projectsSpeed & Function is a versatile web development company specializing in full-stack and custom website development services. They are highly praised for their responsive communication, timely project delivery, and technical expertise, with around 100% of reviews highlighting these strengths. Clients often commend their proactive nature and seamless integration into teams, making them an ideal partner for a wide range of web programming and development needs.
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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 Development75% JavaScript50% 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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% 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
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 -
$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 -
$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+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$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 -
$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 - 249Long Beach, 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.