Top JavaScript Developers
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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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$5,000+$50 - $99 / hr2 - 9Chișinău, Moldova
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See all 5 projectsMishto is a web development company specializing in creating user-friendly and visually appealing web platforms, with expertise in Web Design and Full-Stack Web Development. The reviews highlight their exceptional project management skills, delivering high-quality work ahead of deadlines, with 100% of reviewers praising their clean designs and UX/UI instincts. Clients appreciate their ability to provide maximum value within budget constraints without needing modifications.
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$1,000+$25 - $49 / hr2 - 9Pune, India
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See all 9 projectsFantastech Solutions is a web development company highly praised for its expertise in custom website development and full-stack web development services, primarily using WordPress. Reviews indicate a strong focus on timely delivery, excellent communication, and technical proficiency, with 100% of reviewers expressing satisfaction with their services. Clients consistently highlight the team's integrity and ability to manage complex projects efficiently.
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$25,000+$50 - $99 / hr10 - 49Buenos Aires, Argentina
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See all 7 projects404 // Software crafters is a web development company specializing in custom web and mobile platform development, particularly excelling in full-stack web development. With a focus on agriculture technology, they have demonstrated strong project management skills and adaptability, as evidenced by successful platform launches and continued client collaboration. Client feedback is overwhelmingly positive, highlighting their expertise and innovative approach.
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$1,000+$25 - $49 / hr10 - 49Zaporizhzhia, Ukraine
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See all 2 projectsWOP lab is a web development company specializing in full-stack web development, web application development, and custom website development. They are praised for their professionalism, effective communication, and ability to deliver high-quality projects on time. Approximately 90% of reviewers highlight their seamless project management and technical expertise in transforming designs into fully functioning products.
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$5,000+$25 - $49 / hr50 - 249Bengaluru, India
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See all 5 projectsCX100 Inc, formerly known as Inkoniq, is a design-focused company offering UI/UX design and product design services. Reviews indicate a strong emphasis on seamless integration with client teams and high-quality design outputs, with 100% positive feedback on their professionalism and collaborative nature. Clients consistently praise their innovative solutions and attention to user-centric design, though minor punctuality issues and initial design preparation were noted.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 1 projectsZBS Tech is a technology development company specializing in crypto and fintech solutions. With a focus on full-stack development, they are praised for their domain expertise and efficient project management, delivering over 90% of features on time. Approximately 90% of feedback highlights their expertise, clear communication, and cultural alignment, though some mention the need for improved junior developer oversight.
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$5,000+$25 - $49 / hr10 - 49
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See all 4 projectsrgbweb.studio is a web development company offering services such as custom website development and web design. With 100% positive feedback, reviewers highlight the company's effective communication, adherence to deadlines, and ability to deliver user-friendly solutions. Clients appreciate the team's strong project management skills and their ability to quickly understand project requirements, resulting in user satisfaction and streamlined processes.
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$25,000+$100 - $149 / hr10 - 49
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See all 3 projectsBrainspire Solutions is a software development company specializing in automation, cloud solutions, and e-commerce integrations. Across their reviews, 100% of clients praised their technical expertise, professionalism, and ability to integrate seamlessly with client teams, resulting in significant efficiency improvements such as reducing manual processes from days to minutes. Clients value their adaptability, thorough understanding of business needs, and commitment to successful project outcomes.
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$5,000+$50 - $99 / hr10 - 49Cluj-Napoca, Romania
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See all 13 projectsAround25 is a web development company specializing in full-stack web development, web application development, and custom website development. Across their reviews, 100% of clients praise their reliability, quality of work, and strong communication skills. The company is noted for their exceptional project management and flexibility, with 80% of reviewers highlighting their ability to adapt and deliver projects on time and within budget.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 5 projectsExplore Logics is a web development company known for its expertise in custom website development, web design, and web application development. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their ability to deliver high-quality work on time and within budget. Clients consistently highlight their strong communication skills and flexibility in accommodating changes, though initial concerns about website security were noted and subsequently addressed.
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$10,000+$50 - $99 / hr10 - 49Coimbra, Portugal
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See all 2 projectsMappitall is a geospatial services company that specializes in GIS solutions and technical support for various projects, including asset management and mapping applications. Their clients commend them for their punctuality, expertise, and commitment, with 100% of reviewers highlighting successful project delivery within budget and on time, and noting their impressive communication and problem-solving capabilities. The company is highly recommended for its dedication, especially in challenging circumstances.
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$10,000+$100 - $149 / hr2 - 9Los Angeles, CA
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See all 24 projectsR\nd is a versatile web development company that specializes in WordPress and custom website development, excelling in both front-end and back-end services. The company has consistently received positive feedback for its exceptional project management and communication skills, with 100% of reviewers praising these aspects. Clients highlight R\nd's ability to deliver on time and under budget, emphasizing their commitment to client satisfaction and project success.
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$1,000+< $25 / hr10 - 49Bengaluru, India
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See all 11 projectsTechsigma Global Technology Solutions is a proficient web development company offering services in Website Development, Web Design, and Custom Website Development. The reviews demonstrate an impressive commitment to timelines, with 100% of clients praising their problem-solving abilities and responsiveness. Techsigma's agile methodologies and expertise in platforms like Python and WordPress result in highly satisfactory, defect-free project outputs.
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$5,000+$50 - $99 / hr10 - 49Kyiv, Ukraine
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See all 4 projectsKHMARKA is a web development company specializing in custom website development and full-stack web development services. Reviews indicate a high level of client satisfaction, with 100% of feedback highlighting their efficient project management and technical acumen. Clients appreciate their proactive approach in combining technical skills with business insights, enhancing overall project outcomes.
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$1,000+Undisclosed50 - 249Jeddah, Saudi Arabia
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See all 11 projectsAbove Limits is a web development company specializing in Website Development, Web Design, and Custom Website Development services. Based on their reviews, they have a 100% positive feedback rate, with clients praising their exceptional time management and transparency. Their ability to deliver user-friendly and captivating web solutions is frequently highlighted by 67% of reviewers.
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$25,000+$25 - $49 / hr250 - 999Kyiv, Ukraine
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See all 16 projectsGrid Dynamics Digital Team, formerly known as Daxx, is a distinguished provider of full-stack web development and web application development services. The company excels in recruiting skilled developers, offering comprehensive HR support and efficient project management, as highlighted in over 90% of their reviews. Clients appreciate their capacity to enhance development teams and manage logistical concerns, although some suggest expanding their technical engagement.
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$10,000+$50 - $99 / hr10 - 49Basingstoke, England
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See all 6 projectsBigger Picture is a web development company that excels in custom website development and brand re-development services. With a 100% positive feedback rate, clients praise their full-stack web development expertise, attention to detail, and exceptional project management. Approximately 90% of reviews highlight their ability to enhance brand presence and increase traffic, marking them as a reliable choice for web design and development needs.
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$5,000+$50 - $99 / hr2 - 9Vilnius, Lithuania
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See all 3 projectsNorrspark is a web development company specializing in custom website development and full-stack web development services. Their reviews reveal a strong reputation for delivering high-quality, user-friendly web solutions, with 100% of clients commending their responsive project management and ability to explain technical concepts clearly. However, a few clients suggested more proactive guidance on best practices could enhance their offerings.
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$5,000+$150 - $199 / hr50 - 249Shelton, CT
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See all 10 projectsYork & Chapel is a web development and design company known for its expertise in website development, including front-end and back-end solutions. With a track record of positive feedback from clients, 100% of reviewers commend their project management, punctuality, and responsive communication. They consistently exceed client expectations, focusing on client satisfaction, functionality, and modern design aesthetics.
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$10,000+$25 - $49 / hr10 - 49Córdoba, Argentina
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See all 13 projectsLinkchar is a web development company specializing in custom website development, full-stack web development, and web application development. They have consistently received positive feedback, with reviewers praising their proactive and professional team, timely delivery, and effective communication. Approximately 90% of reviewers highlight impressive project outcomes and collaboration, with no significant areas for improvement noted.
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$5,000+$150 - $199 / hr10 - 49Austin, TX
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See all 4 projectsWEBii is a web development company based in Austin, specializing in custom website development and web programming, particularly utilizing WordPress and WooCommerce. The company boasts a strong reputation for flexibility, communication, and customer service excellence, with 100% of reviewers highlighting their professionalism and responsiveness. Clients appreciate their cost-effectiveness and ability to offer ongoing support and strategic guidance for diverse web development needs.
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$1,000+$100 - $149 / hr2 - 9San Ramon, CA
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See all 8 projectsdesignial is a UI/UX design and consulting company with expertise in user research, strategy, and development for web and mobile applications. With a 100% positive feedback rate, clients praise their ability to provide actionable UX solutions and strategic advice, often highlighting Raj, the founder, for his project management and strategic capabilities. Clients frequently commend their communication, flexibility, and innovative problem-solving approaches.
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$1,000+< $25 / hr10 - 49Jaipur, India
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See all 21 projectsFlutterflowDevs (ThorDevelopers) is a proficient web development company specializing in full-stack web development and web application development, with a focus on Flutter technology. The company is highly praised for its timely project delivery, responsiveness, and collaborative approach, with nearly all reviewers highlighting their technical expertise and effective communication. While some reviewers suggested improvements in communication transparency, 100% of the feedback was positive regarding their project management and commitment to quality.
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$1,000+$50 - $99 / hr2 - 9Prayagraj, India
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See all 4 projectsCode Zero Studio is a web development company specializing in custom website development, web design, and online development. Across their reviews, 100% of feedback highlights their exceptional project management, attention to detail, and commitment to client satisfaction. Over 90% of clients commend their ability to deliver tailored, high-quality solutions that improve website performance and user engagement.
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$10,000+$25 - $49 / hr2 - 9Petaling Jaya, Malaysia
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See all 7 projectsExcelfixer Sdn Bhd is a proficient web development company offering services like custom website development and web application solutions. They have received overwhelmingly positive feedback, with clients praising their expertise, timely delivery, and strong communication, as highlighted by 100% of reviewers. Their commitment to quality and client satisfaction is evident through their proactive approach and post-project support.
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Undisclosed$25 - $49 / hr10 - 49Littleton, CO
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See all 10 projectsRed Chameleon Web Agency specializes in Website Development, offering services such as Web Design, Front-End Development, and SEO improvements. With a 100% positive feedback rate, clients consistently praise their professionalism, transparency, and ability to handle complex projects efficiently. Notably, 100% of reviewers highlight their effective communication and adherence to deadlines, ensuring high client satisfaction and successful project outcomes.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 5 projectsSprigStack is a Full-Stack Web Development company excelling in Website Development and Web Design. With 100% positive feedback, reviewers commend its creativity, timely delivery, and excellent communication. Notable mentions include their capability to deliver projects under budget and ahead of schedule, with all deliverables surpassing expectations.
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$1,000+$50 - $99 / hr2 - 9
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See all 17 projectsHeer Digital is a web development company specializing in Website Development, Web Design, and Full-Stack Web Development. The company's reviews are overwhelmingly positive, with 100% of clients praising their responsiveness, project management, and ability to deliver projects on time. Many clients, approximately 83%, also appreciate their technical expertise and value for money, while none have suggested areas for improvement.
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$1,000+$25 - $49 / hr50 - 249Indore, India
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See all 4 projects99coders is a web development company known for its expertise in Website Development, Custom Website Development, and ongoing website maintenance. With a strong emphasis on communication and reliability, 100% of reviewers highlight their effective project management and willingness to adapt to client needs. Clients commend their efficient service delivery, with both reviews noting the company's professional and responsive team.
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$1,000+$100 - $149 / hr2 - 9Jacksonville Beach, FL
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See all 2 projectsDoohickey is a web development company specializing in custom website development, particularly with WordPress. They received overwhelmingly positive feedback for their exceptional web programming skills and consistent communication, with 100% of reviewers praising their detail-oriented approach and result-driven services. Clients highlight their ability to transform ideas into functional and aesthetically pleasing websites.
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$5,000+$25 - $49 / hr50 - 249Osijek, Croatia
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See all 5 projectsMono Software is a software development company that specializes in web and mobile application development, enterprise solutions, and system integrations. Overall, 100% of reviewers commend their strong project management skills, communication, and code quality. While some note a need for improved self-marketing and documentation, clients appreciate their proactive approach and dedication to client needs, with long-term partnerships being a common theme.
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$1,000+$25 - $49 / hr10 - 49
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See all 2 projectsDivlogics is a versatile software development company known for its efficiency in technical problem-solving and creative design. Review feedback is overwhelmingly positive, with 100% of reviewers highlighting their flexibility and exceptional communication. Divlogics successfully addressed a critical software bug and delivered professional social media banners, demonstrating their adaptability and commitment to high-quality outcomes.
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$5,000+$50 - $99 / hr10 - 49Karachi, Pakistan
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See all 12 projectsTezeract is a versatile web development company specializing in custom website development, web application development, and full-stack web development projects. The company has received overwhelmingly positive feedback, with approximately 90% of reviewers praising their timely delivery, effective communication, and advanced understanding of AI technologies. However, around 10% of feedback highlights minor issues with testing and scaling.
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$10,000+Undisclosed50 - 249Sydney, Australia
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See all 1 projectsXAM is a software development company specializing in mobile app development, particularly utilizing Xamarin architecture. The company receives overwhelmingly positive feedback, with clients praising their comprehensive skillset and effective project management. Approximately 80% of reviewers highlight XAM's ability to deliver functional solutions that align with customer preferences, emphasizing their flexibility and resourcefulness in handling complex development processes.
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$10,000+$100 - $149 / hr2 - 9
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See all 2 projectsarrowww is a creative design agency specializing in branding, website design, and fundraising materials. The company is highly praised for its creative brand work and efficient project management, delivering on time with 100% positive feedback. Clients specifically commend arrowww's ability to capture the emotional aspects of briefs and exceed expectations with their design concepts.
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$10,000+$50 - $99 / hr10 - 49
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See all 8 projectsMumble is a web development company that excels in creating scalable and cost-effective solutions, as evidenced by positive reviews from clients. They are noted for their professional and adaptable approach, with 100% of reviewers highlighting successful project delivery and responsiveness to client needs. Mumble's services include Website Development and APP creation, although SEO services could enhance their offerings further.
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$5,000+$25 - $49 / hr10 - 49Stara Zagora, Bulgaria
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See all 1 projectsSlavov Studio is a web development company specializing in web application development and integration services. Their reviews highlight a 100% positive response, emphasizing their excellent project management and effective communication. Clients appreciate their timely delivery and alignment with company values, making them a reliable partner for custom website development needs.
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$10,000+$100 - $149 / hr2 - 9Sarasota, FL
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See all 5 projectsXplode Marketing is a versatile digital marketing agency specializing in web design, app development, and SEO services. The company consistently receives high praise, with over 90% of reviewers commending their ability to deliver projects efficiently and at competitive prices. Many clients appreciate their vision, responsiveness, and hands-on approach, highlighting their commitment to meeting client needs and expectations.
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$1,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 2 projectsUsertive is a web development company specializing in custom website development and web design. According to reviews, 100% of clients praised their ability to meet deadlines and understand project needs, emphasizing their effective communication and helpfulness. Their pricing, value for cost, and cultural fit were other frequently mentioned strengths.
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$10,000+$150 - $199 / hr10 - 49Cleveland, OH
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See all 3 projectsStream 9 is a web development company specializing in creating user-friendly and SEO-optimized websites. Reviewers highlight their effective communication and project management, with 100% praising their ability to meet deadlines and exceed expectations. The company is noted for its full-stack web development expertise and delivering solutions that enhance user experience and organic traffic.
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$50,000+$150 - $199 / hr50 - 249Denver, CO
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See all 3 projectsBlueModus is a web development company specializing in custom website development and full-stack web development, particularly on the Kentico platform. Across reviews, 100% of clients praise their communication, project management, and responsiveness, often describing them as an extension of their own team. Clients consistently highlight their reliability and ability to anticipate needs, though minor underbid issues were noted in rare cases.
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Undisclosed< $25 / hr10 - 49Colombo, Sri Lanka
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See all 11 projectsPhyxle is a web development company offering website development, web design, and digital marketing services. Clients consistently praise their ability to deliver high-quality solutions on time, with 100% of reviewers noting their impressive understanding of client needs. Phyxle’s effective project management and communication further contribute to their positive reputation, as evidenced by their unanimously satisfied clientele.
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$1,000+$25 - $49 / hr10 - 49Odesa, Ukraine
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See all 10 projectsGeometric Digital Agency is a web development company specializing in custom website development and web design. The agency has been praised for its problem-solving commitment, high-quality design, and effective project management, with over 80% of reviews highlighting these strengths. Clients appreciate their responsiveness and creativity, though some suggest improving timelines and documentation.
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$1,000+< $25 / hr10 - 49Bacoor, Philippines
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See all 6 projectsbe• Creative Studios is a web development company specializing in modernizing outdated websites through custom website development and full-stack web development services. Client feedback highlights their expertise, smooth workflow, and ability to simplify complex concepts, with 100% of reviewers appreciating their guidance and support. The team is commended for meeting project timelines despite minor initial delays.
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$5,000+$25 - $49 / hr2 - 9Tychy, Poland
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See all 4 projectsREWSOFT is a custom web application development company specializing in Web Development and Web Design. The reviews highlight their strengths in delivering high-quality, scalable solutions with a responsive and adaptable approach. Impressively, 100% of clients praised their project management and technical expertise, especially in utilizing Google platforms. Clients appreciate their proactive suggestions and view them as integral team members rather than just suppliers.
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$10,000+Undisclosed10 - 49İSTANBUL, Türkiye
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See all 8 projectsAPPTECH SYSTEMS is a web development company specializing in online development, website development, and web application development. The company consistently receives positive feedback, with 100% of reviewers highlighting their professionalism, competence, and responsive customer service. Clients appreciate their ability to deliver projects on time, with commendable project management and seamless UI/UX design.
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$1,000+$25 - $49 / hr10 - 49
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See all 10 projectsNexus Hybrids is a web development company specializing in Website Development, SEO, and digital marketing services. Their reviews highlight effective project management, timely delivery, and a customer-centric approach. Notably, 100% of reviewers praised their innovative strategies and professionalism, though some suggested improvements in detailed reporting and communication updates.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 10 projectsAlvariumSoft is a professional web development company specializing in custom website development, full-stack web development, and web application development. With 100% positive feedback, their reviews highlight impressive speed, efficiency, and professionalism in completing tasks. Clients consistently praise their high-level engagement, effective communication, and dedication to delivering optimal solutions, making them a trusted partner for diverse online development projects.
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$10,000+$100 - $149 / hr10 - 49
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See all 4 projectsGuaranteed Network is a web development company specializing in custom website development and web application development. They have been praised for their effective communication and technical versatility, with approximately 90% of reviews highlighting their ability to meet client needs and expectations. However, some feedback suggests room for improvement in scheduling and deployment times.
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$5,000+$50 - $99 / hr50 - 249London, England
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See all 3 projectsSCube is a web development company specializing in custom website development, web design, and full-stack web development services. With a 100% client satisfaction rate, SCube is praised for its adaptability, timely delivery, and effective communication. Clients commend their ability to deliver creative solutions and maintain high standards in web application development tailored to specific 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 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
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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.