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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Undisclosed$25 - $49 / hr2 - 9Portsmouth, England
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See all 3 projectsAxons is a web development company specializing in custom website development with a focus on enhancing user experience and integrating AI solutions. The reviews highlight their timely delivery and responsiveness, with 100% of feedback expressing satisfaction. Clients appreciate their creativity and understanding, though 10% suggest slight improvements in documentation. Overall, they are recognized as a valuable partner for comprehensive web solutions.
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$10,000+< $25 / hr2 - 9Noida, India
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See all 3 projectsQA Tech Xperts Pvt Ltd is a specialized quality assurance company providing comprehensive testing services, including automation, database testing, and web application development. Reviewers consistently praise their attention to detail and proactive problem-solving, with 100% of feedback emphasizing their effective communication and timely delivery. Clients noted significant improvements, such as a 40% reduction in critical bugs and a 30% increase in release cycle efficiency.
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$5,000+$50 - $99 / hr2 - 9
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See all 1 projectsrefreshed DIGITAL is a comprehensive web development company known for its expertise in Website Development, Web Design, and Online Development services. With 100% positive feedback, clients frequently commend their creative, reliable, and timely work delivery. Approximately 50% of reviewers highlight their friendly and professional team, making collaborations smooth and enjoyable.
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$10,000+$25 - $49 / hr10 - 49
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See all 1 projectsCrystal Code is a web development company specializing in custom website development and full-stack web development. Reviews highlight their exceptional technical knowledge and reactivity, with 100% of reviewers praising their reliability and ability to deliver projects efficiently. Clients consistently express high satisfaction with their service quality and alignment with client values.
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$5,000+$100 - $149 / hr2 - 9Shoreline, WA
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See all 5 projectsVisionSnap, Inc. is a web development company specializing in custom website development and web design. Reviews highlight their affordable pricing and exceptional project management, with 100% of clients noting the visually appealing and functional websites delivered within tight timelines. Their ability to meet client needs without extensive guidance demonstrates their expertise in the field.
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$10,000+$150 - $199 / hr10 - 49Lancaster, PA
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See all 1 projectsIndustrial Resolution is a custom website development company specializing in web programming and web application development. They have received consistently positive feedback for their effective communication, project management, and problem-solving skills, with 100% of reviewers highlighting these strengths. Their expertise in modern programming languages and frameworks is also frequently noted, demonstrating their capability in both front-end and back-end development.
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Undisclosed$150 - $199 / hr2 - 9Toronto, Canada
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See all 1 projectsHuge Impact is a digital marketing agency specializing in web design, SEO, and PPC services. The client reviews highlight their professionalism, responsiveness, and expertise, with 100% of the feedback being positive. Clients commend Huge Impact for delivering high-performing websites, effective SEO results, and improved PPC campaigns, demonstrating their ability to offer value-driven solutions tailored to business needs.
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$5,000+$100 - $149 / hr2 - 9Fort Mill, SC
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See all 4 projectsFLDTRACE is a Web Development company specializing in Back-End Development and Custom Website Development. The firm has received overwhelmingly positive feedback, with 100% of reviewers praising their attention to detail, flexibility in accommodating timelines, and effective project management. Clients appreciate FLDTRACE's ability to follow design specifications closely and deliver aesthetically pleasing and functional websites with strong SEO performance.
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$5,000+$50 - $99 / hrFreelancer
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See all 2 projectsMichal Ďorď is a web development professional specializing in custom website development, web design, and online development. Client feedback highlights a 100% satisfaction rate, citing professionalism, creativity, and responsive communication. With a focus on effective project management and consistency, Michal Ďorď delivers high-quality, user-friendly web solutions tailored to client needs.
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$1,000+< $25 / hr1,000 - 9,999Noida, India
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See all 4 projectsCyfuture is a versatile service provider offering inbound services, back-office support, web hosting, and tech support. Over 90% of the reviews highlight the company's strong customer service and effective communication. Clients appreciate their cost-saving strategies, with some reporting savings of up to 30% monthly. Cyfuture's commitment to quality and efficiency is consistently praised, with no significant negative feedback noted.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
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See all 3 projectsSumay Infotech is a distinguished web development company excelling in Website Development, Web Design, and SEO. With 100% positive feedback, clients praise their friendly service and technical expertise, highlighting exceptional results in user-friendly web development and SEO-driven online visibility enhancement, alongside seamless e-commerce solutions and reliable project management. Their dedication to understanding client needs and delivering on time is consistently noted.
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$1,000+$25 - $49 / hr2 - 9Hyderabad, India
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See all 3 projectsSplitbit Innovative Solutions LLP is a web development company specializing in custom website development and web application development. With positive feedback from 100% of reviewers, they are praised for delivering projects on time and enhancing user engagement, with one client noting a 40% increase. Clients commend the supportive team and strong customer relationships.
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$5,000+$25 - $49 / hr10 - 49Surat, India
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See all 6 projectsPixerFect Solutions LLP is a web development company offering services such as web and custom software development, front-end and back-end integration, and comprehensive website design. With a 100% positive feedback rate from clients, they are praised for their innovative solutions, responsive communication, and ability to meet project deadlines. Approximately 75% of reviewers highlight their cost-effectiveness and alignment with client values.
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$250,000+$50 - $99 / hr10 - 49Cluj-Napoca, Romania
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See all 4 projectsDeviqon Labs is a web development company that excels in feature development and maintenance, offering full-stack web development services. Reviewers consistently highlight their timely delivery and strong alignment with business needs, resulting in 100% positive feedback with no noted areas for improvement.
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UndisclosedUndisclosed250 - 999
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See all 4 projectsDevStaffer is a web development company known for creating bespoke e-commerce platforms. They received overwhelmingly positive feedback, with 100% of reviewers highlighting their exceptional project management and innovative approach. Clients noted a 40% increase in engagement and a 25% rise in sales post-launch, praising their commitment to understanding brand ethos and seamless communication.
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$5,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 2 projectsCodeMyMobile is a Full-Stack Web Development company known for its expertise in Custom Website Development and Web Application Development. The reviews highlight their seamless integration with clients' teams and ability to deliver projects on time, achieving a 50% increase above sales forecasts. However, some feedback suggests they could improve proactivity in optimizing site loading times.
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$75,000+$50 - $99 / hr10 - 49Florianópolis, Brazil
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See all 5 projectsTaller Digital Business is a web development company offering comprehensive services including custom website development, web application development, and full-stack web development. Clients consistently praise their ability to meet deadlines and enhance user experiences, with 100% of reviews highlighting their dedication and effective problem-solving skills. However, there is room for improvement in UX/UI design and process planning.
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$1,000+< $25 / hr10 - 49
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See all 4 projectsIndiadox Solutions Inc is a web development company specializing in web programming and full-stack web development. Their reviews indicate high client satisfaction, with feedback highlighting effective communication and responsiveness. Approximately 100% of reviewers mentioned positive outcomes, while 50% emphasized their adaptability to client specifications.
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$1,000+$50 - $99 / hr2 - 9
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See all 7 projectsBryton is a web development company specializing in custom website development, web design, and full-stack web development. The company has consistently received positive feedback across multiple projects, with 100% of reviewers praising its effective project management, timely delivery, and strong communication skills. A notable 80% of reviewers specifically commend their responsiveness and adaptability to client needs.
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$5,000+$100 - $149 / hr10 - 49Memphis, TN
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See all 6 projectsWhippet Creative is a web development company that specializes in Website Development, Web Design, and Full-Stack Web Development. They are highly praised for their effective project management, transparency, and proactive communication, with 100% of reviewers appreciating their commitment to customer service. Clients highlight their ability to deliver projects under budget and ahead of schedule, as well as their dedication to understanding and addressing business needs.
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$10,000+$50 - $99 / hr10 - 49Porto, Portugal
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See all 10 projectsColetiv is a full-stack web development company that excels in web application development, custom website development, and mobile app solutions. With a focus on efficient project management and client satisfaction, 100% of reviewers commend their expertise and ability to meet deadlines. Clients particularly appreciate their transparency and collaborative problem-solving approach, consistently leading to successful project outcomes.
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$1,000+< $25 / hr10 - 49Karachi, Pakistan
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See all 3 projectsOzzun Solutions is a web development company offering comprehensive services, including web design, custom website development, and social media marketing. The company garners positive feedback, with 100% of reviewers highlighting their timely responses and supportive nature, leading to successful project outcomes.
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$25,000+$100 - $149 / hr10 - 49Sarasota, FL
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See all 2 projectsThe Click Depot is a digital marketing agency specializing in PPC, SEO, website design, and internet advertising. Overall, feedback is overwhelmingly positive, with approximately 100% of reviewers praising their effective communication, project management, and dedication to clients' success. Both clients highlight increased visibility and business performance due to The Click Depot's involvement, demonstrating their commitment to delivering impactful results.
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$10,000+$50 - $99 / hr10 - 49Manhattan Beach, CA
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See all 1 projectsHealth Samurai is a healthcare technology company specializing in FHIR-based clinical data management solutions. Reviews highlight their exceptional ease of collaboration, responsiveness, and robust project management, with 100% positive feedback mentioning seamless integration and reliable solutions. Their impressive product performance and proactive communication foster high confidence in managing complex data processes.
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$5,000+< $25 / hr50 - 249Kyiv, Ukraine
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See all 2 projectsiSolutions.IO is a technology services company specializing in software development and digital analysis. The company receives positive feedback, with 100% of reviewers praising their effective communication, project management, and ability to deliver tailored solutions. Clients appreciate their commitment to quality and responsiveness, though one review suggests increasing diversity in their team.
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$1,000+< $25 / hr10 - 49
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See all 3 projectsSN Digitech Pvt. Ltd. is a web development company known for its proficient full-stack web development and digital marketing services. Their team is noted for professionalism and exceeding client expectations, with 100% positive feedback on project delivery and management. Clients praise their communication and project management skills, often mentioning their use of Slack and Jira for effective coordination.
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$1,000+$50 - $99 / hr10 - 49Chandigarh, India
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See all 2 projectsSugar and Co. is a web development company specializing in website design and development, particularly on platforms like Shopify. The company receives overwhelmingly positive feedback, with clients praising their quality of work, on-time delivery, and ability to customize solutions according to specific needs. Approximately 100% of reviewers highlight the successful outcomes and improvement in online presence due to their services.
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$1,000+< $25 / hr2 - 9
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See all 7 projectsTasks Leader Virtual Assistant Company offers a range of services, including administrative support, SEO, and digital marketing. The reviews indicate a high level of satisfaction, with 100% of clients noting promptness, value, and impressive initiative from the company. The company is recognized for its effective project management and tailored solutions, often exceeding client expectations.
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$5,000+$50 - $99 / hr2 - 9Katowice, Poland
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See all 2 projectsLess Code is a web development company specializing in Custom Website Development and Web Application Development. Clients consistently praise their commitment to high-quality results, with a 100% satisfaction rate noting their timely delivery and responsive communication. They are recognized for their proactive approach, often exceeding expectations with innovative solutions and seamless project management.
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$10,000+$50 - $99 / hr10 - 49Sarajevo, Bosnia and Herzegovina
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See all 4 projectsPear Shadow is a mobile app development company specializing in both iOS and Android platforms, noted for its technical proficiency and strategic consulting. Across their reviews, 100% of clients commend their commitment, professionalism, and ability to surpass expectations, while 75% appreciate their proactive communication and innovative solutions. Their collaborative approach is repeatedly highlighted, with clients acknowledging the company's dedication to building lasting partnerships.
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$5,000+$150 - $199 / hr10 - 49Vancouver, Canada
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See all 1 projects/Archive Digital is a digital marketing and SEO agency that excels in enhancing online visibility and conversions, as evidenced by their long-term collaboration with the Vancouver Film School. Overwhelmingly positive feedback highlights their progressive industry knowledge and impactful results, with 100% of reviewers noting their significant contribution to project success and adaptability in evolving digital landscapes.
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$1,000+< $25 / hr10 - 49
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See all 1 projectsSoftART is a web development company specializing in WordPress custom solutions, web design, and hosting services. With a high level of competence and effective project management, they have consistently delivered impressive results, including a 48% reduction in bounce rate and a 130% increase in revenue from ad platforms.
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$10,000+$25 - $49 / hr10 - 49
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See all 1 projectsThe Unmarketing Agency is a creative marketing firm specializing in international branding and website revamps. They received positive feedback from 100% of reviewers, who highlighted their innovative approach and dedication to addressing marketing challenges. Clients particularly appreciated their out-of-the-box thinking and effective communication throughout the project.
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$5,000+$50 - $99 / hr2 - 9
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See all 1 projectsCraftspire is a software development company specializing in agile project management and technologies such as Kotlin and Angular, with a focus on e-signature and document management solutions. Reviews highlight their professionalism, expertise, and ability to adapt to evolving requirements, contributing to high client satisfaction and increasing software adoption rates. Clients appreciate their transparent communication and dedication, with minor suggestions for improved documentation.
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$10,000+Undisclosed10 - 49Cluj-Napoca, Romania
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See all 2 projectsReshape Digital is a web development company specializing in custom website development and full-stack web development. Their reviews highlight their professionalism, commitment, and ability to deliver on time while staying within budget, resulting in high customer satisfaction. Approximately 100% of reviewers praise their responsiveness and ability to meet project objectives.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsIXT Minds is a web development company specializing in website development, mobile app creation, and custom website projects. They have received positive feedback for their exceptional project management, dedication, and attention to detail, with 100% of reviewers expressing satisfaction and no noted areas for improvement.
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$1,000+< $25 / hr10 - 49
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See all 2 projectsVihaa Infotech LLP is a web development company specializing in full-stack web development and web application development. Their reviews highlight a 100% execution rate, with positive feedback on their efficient project management and innovative solutions, such as making 3D and VR work seamlessly on mobile devices. Approximately 60% of reviewers emphasize their ability to deliver projects on time.
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Undisclosed< $25 / hr10 - 49Ahmedabad, India
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See all 9 projectsFrenzin Softwares Pvt.Ltd. specializes in Website Development, Web Design, and Web Programming. Reviews highlight their responsive communication, timely delivery, and exceptional project management. Clients appreciate their balanced and unique skill set, making them a reliable choice for Web Development projects.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 1 projectsSAYYES MEDIA SOLUTIONS - SYMSWEB is a professional WordPress development company acclaimed for its high-quality website and logo development services. The company's reviews highlight their exceptional communication and professional approach, with 100% positive feedback from clients who appreciated the understanding and ease of collaboration with the team. They are highly recommended for WordPress projects.
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$10,000+$50 - $99 / hr10 - 49London, England
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See all 3 projectsFurious Fox Limited is a versatile technology company specializing in mobile app and platform development. They are highly praised for their professionalism, timely project delivery, and excellent communication skills. With 100% positive feedback, clients commend their value for money, integrity, and collaborative approach, highlighting their ability to meet project expectations efficiently.
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$1,000+$25 - $49 / hrFreelancerMorogoro, Tanzania
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See all 1 projectsRay Mkindo is a web development company known for its expertise in web design and development, particularly in creating clean and interactive websites. Their services also include content creation and SEO. The reviews highlight their effective communication and consultancy, with all feedback being positive, underscoring their commitment and timely project completion.
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$10,000+$50 - $99 / hr10 - 49Amman, Jordan
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See all 10 projectsCoders is a reputable web development company offering services such as website development, web application development, and full-stack web development. Approximately 90% of the reviews highlight their commitment to customer satisfaction and impressive project management capabilities. Clients commend Coders for their professionalism and high-quality deliverables, although some noted occasional communication challenges and a need for greater detail orientation.
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$1,000+$100 - $149 / hr2 - 9
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See all 3 projectscoderPro.net is a software development company specializing in .NET, ColdFusion, and custom coding solutions. The overall feedback from clients is highly positive, with 100% of reviewers noting their strong technical expertise, effective communication, and willingness to accommodate client needs. Clients appreciate their ability to understand and improve existing systems and consistently meet project specifications.
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$5,000+$50 - $99 / hr2 - 9Montevideo, Uruguay
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See all 3 projectsSagitta is a web development company specializing in full-stack web development and custom website development. With a 100% positive feedback rate, clients consistently commend their responsiveness, proactive problem-solving, and high-quality execution in front-end development, back-end development, and UX/UI enhancements. They effectively address complex challenges and deliver projects on time, fostering strong client relationships and scalable solutions.
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$10,000+$50 - $99 / hr2 - 9Calgary, Canada
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See all 5 projectsLattice Studios is a web development company specializing in custom website development and full-stack web development, including front-end and back-end solutions. Their clients praise their adaptability, proactive communication, and attention to detail, with 100% of reviewers highlighting their professionalism and problem-solving abilities. However, some suggest improvements in ongoing project documentation.
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$1,000+$25 - $49 / hr2 - 9München, Germany
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See all 2 projectsConnect Platform is a software development company specializing in comprehensive platform solutions and full-stack development. Reviews reflect 100% positive feedback, highlighting their exceptional responsiveness, commitment, and ability to deliver high-quality code and design. Clients appreciate their innovative approach and seamless project management, making them a valuable partner in long-term engagements.
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$5,000+$100 - $149 / hr50 - 249Singapore, Singapore
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See all 1 projectsPixel Mechanics Pte Ltd is a web development company specializing in custom website development and web design, delivering professional and user-friendly WordPress CMS solutions. Clients praise their responsive project management and seamless communication, with 100% of reviewers highlighting their effective web development skills and a 20% increase in traffic post-launch. Although minor issues were noted, prompt resolutions were consistently provided.
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$1,000+$100 - $149 / hr2 - 9Harlow, England
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See all 6 projectsJapeto, a web development company, excels in Custom Website Development and demonstrates outstanding cultural sensitivity and communication skills. With 100% positive feedback, clients appreciate their flexibility, value for money, and ability to translate technical specifications effectively, making them a strong fit for diverse and complex web programming projects.
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$10,000+$25 - $49 / hr10 - 49
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See all 1 projectsNext LATAM is an IT consulting company specializing in developing systems for public institutions, as demonstrated by their successful implementation of an Early Warning System for human rights violations in El Salvador. Reviewers consistently praise their proactivity, effective communication, and high-quality services, with no significant areas of improvement mentioned.
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$10,000+$25 - $49 / hr50 - 249Pune, India
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See all 8 projectsOnelab Ventures is a web development company that excels in Web Application Development and Custom Website Development. The company receives high praise for its professional project management and timely delivery, with reviewers appreciating its excellent communication and technical expertise. Approximately 100% of feedback is positive, highlighting their commendable culture and technical knowledge, though some suggest more frequent progress updates could enhance transparency.
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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.