Top JavaScript Developers
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$25,000+$50 - $99 / hr10 - 49Los Angeles, CA
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See all 19 projectsFrenchy Digital LLC is a comprehensive web development company offering services in Website Development, Web Design, and Online Development. The company receives highly positive feedback, with over 95% of reviews praising their responsiveness, project management, and tailored solutions. They excel in creating user-friendly, intuitive platforms that enhance customer interaction and conversion rates. Clients appreciate their ability to deliver complex projects on time and within budget, consistently highlighting their effective communication and flexibility.
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$5,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 4 projectsAppDeft is a web development company specializing in mobile and web application development, offering services such as Web Development, Web Design, and Custom Website Development. With 100% positive feedback, clients commend their reliability and adherence to deadlines. They have successfully facilitated online orders, with 70% of customers now ordering digitally, showcasing their impact on enhancing digital customer experiences.
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$10,000+$100 - $149 / hr10 - 49London , England
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See all 10 projectsDesign Culture, a web development company, specializes in creating tailored, user-friendly websites that enhance client visibility and engagement across various sectors. With 100% positive feedback, clients highlight their impressive project management, flexibility, and ability to translate complex needs into practical web solutions. Approximately 80% of reviews emphasize their strong communication and understanding of client objectives.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 16 projectsArtifact | Design Engineered is a distinguished web development company specializing in Webflow development, UX/UI design, and custom website development. With 100% positive feedback across reviews, clients praise their project management, on-time delivery, and deep understanding of project requirements. They excel in creating user-friendly, responsive websites that boost engagement and conversion rates, demonstrating a high level of expertise and adaptability.
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Undisclosed$25 - $49 / hr2 - 9Joinville , Brazil
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See all 2 projectsEnvolve Labs is a web development company specializing in custom website development and full-stack web development services. With a focus on flexibility and professionalism, 100% of their reviews highlight their ability to deliver projects on time and enhance project outcomes, such as increased event registrations and revenue growth. They excel in project management and communication, although minor post-launch issues were noted and promptly addressed.
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$5,000+$25 - $49 / hr50 - 249New York, NY
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See all 13 projectsNapollo Software Design is a distinguished web development company known for delivering comprehensive services ranging from Custom Website Development to SEO and Web Application Development. Their reviews highlight a 100% positive feedback rate, underscoring their professionalism, responsiveness, and ability to meet deadlines. Impressively, 70% of reviewers emphasize their effective project management and adaptability to client needs, making them a reliable partner for diverse digital projects.
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$10,000+$50 - $99 / hr50 - 249Niš, Serbia
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See all 31 projectsIngsoftware is a comprehensive Web Development company with expertise in various sectors, including financial services, SaaS solutions, and custom website development. Positive feedback is consistent, with an estimated 90% of reviewers highlighting their professionalism, timely delivery, and deep understanding of client needs. Their commitment to quality and proactive approach is frequently praised, as well as their ability to integrate with clients' existing workflows.
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UndisclosedUndisclosed250 - 999București, Romania
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See all 8 projectsCegeka Romania is a distinguished IT services company specializing in staff augmentation, software development, and Identity & Access Management solutions. The company receives positive feedback for its adaptability, communication skills, and project delivery efficiency, with over 90% of reviews highlighting these strengths. However, some reviews suggest potential improvement in the breadth of their talent pool and finance department practices.
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$25,000+$50 - $99 / hr10 - 49Sydney, Australia
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See all 6 projectsNoorix - Custom Software and App Developers is a Sydney-based company specializing in web and app development, with expertise in full-stack web development and web application development. Reviews highlight their impressive project management and communication skills, with 100% positive feedback on their ability to meet deadlines and deliver high-quality solutions. Clients commend their innovative approach and investment in understanding client needs, resulting in exceptional functionality and UI/UX design.
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$1,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
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See all 2 projectsAvraDev is a web development company specializing in website development and mobile site development. They received 100% positive feedback for their adherence to project plans, professional management of changes, and responsiveness. The company is commended for its alignment with client values and budget, demonstrating a strong cultural fit.
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$10,000+$25 - $49 / hr50 - 249Uzhhorod, Ukraine
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See all 1 projectsElementica is a development company specializing in both front-end and back-end solutions, notably praised for building business-facing portals. Their reviews reflect a 100% positive feedback rate, highlighting their efficient project management and impressive company culture. Clients appreciate their alignment with company values and cost-effective service offerings.
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Undisclosed$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 10 projectsProffiz is a web development company specializing in custom website development and web application development. They are praised for their high-quality work and dedication, with over 90% of reviews highlighting their excellent communication and project management. Clients particularly value their ability to deliver projects on time and within budget.
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$10,000+Undisclosed1,000 - 9,999Clearwater, FL
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See all 82 projectsChetu, Inc. is a web development company offering comprehensive services such as web application development, front-end, and back-end development. The majority of reviews (approximately 88%) highlight their reliability, strong communication, and proactive approach, with clients praising their responsiveness and technical expertise. However, a minority (around 12%) reported issues with communication and accountability.
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$10,000+$50 - $99 / hr10 - 49Brno, Czech Republic
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See all 7 projectsDactyl Group s.r.o. is a versatile web development company specializing in web application and mobile app development, with a focus on seamless integration and custom solutions. Reviews highlight their proficiency in full-stack web development and project management, with 100% of reviewers praising their experienced team, effective communication, and flexibility in addressing client needs.
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$1,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 2 projectsKistechno Software offers Website Development and IT support services, including Web Design and graphics design. The reviews highlight a strong project management style with effective communication and timely deliverables. Clients appreciate the team's technical support and collaborative environment, demonstrating good working experience and support capabilities.
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$50,000+$50 - $99 / hr250 - 999
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See all 4 projectsNewage.io is a full-stack web development company praised for its proficiency in web application development and custom website development. 100% of reviewers highlight their ability to deliver projects on time and within budget, emphasizing their exceptional project management and effective communication through virtual meetings. The consistent team from start to finish is noted as a unique strength.
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$1,000+< $25 / hr50 - 249Mohali, India
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See all 44 projectsDeftsoft is a versatile web development company specializing in custom website development, web application development, and SEO. They consistently receive high praise, with approximately 90% of reviewers highlighting their responsive communication and timely delivery. While most feedback is positive, 20% suggest improvements in content writing and UI/UX design.
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$1,000+$100 - $149 / hr10 - 49Stockholm, Sweden
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See all 5 projectsSphinxly is a web development company specializing in custom website development and web design, known for their responsive and proactive project management. With a 100% positive feedback rate, clients commend their ability to align closely with project goals and deliver appealing websites that stand out in competitive markets. Notable for their effective communication and adaptability, they ensure client satisfaction while fostering ongoing collaboration.
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$5,000+$50 - $99 / hr2 - 9
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See all 3 projectsReborn is a web development company specializing in website development and design, offering services such as custom website development, front-end development, and back-end development. The reviews reflect a positive image, with 100% of clients impressed by their professionalism, responsiveness, and ability to deliver high-quality work on time. Clients appreciate Reborn's dynamic and modern approach, highlighting their expertise in creating artistic brand visions and meeting high industry standards.
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$5,000+$25 - $49 / hr10 - 49Gdynia, Poland
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See all 16 projectsSailing Byte is a web development company that provides comprehensive services ranging from full-stack web development and web application development to custom website development. Reviews indicate a strong emphasis on delivering quality projects on time, with 100% of reviewers highlighting their effective project management and technical prowess. Clients appreciate their responsive communication, end-to-end solutions, and adaptability to project challenges, which underscores their reputation as a reliable development partner.
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$5,000+$25 - $49 / hr50 - 249Luts'k, Ukraine
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See all 7 projectsInternetDevels is a web development company specializing in Drupal, offering services such as custom website development and web programming. Reviews indicate 100% positive feedback regarding their technical skills and project management, with clients appreciating their responsiveness and ability to make suitable recommendations. Approximately 75% of reviewers highlight their proficiency in Drupal and problem-solving abilities, though some note communication challenges due to language barriers.
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$5,000+$150 - $199 / hr10 - 49
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See all 3 projectsCool Blue Interactive is a web development company specializing in custom website development, full-stack web development, and web design. Reviews highlight their impressive delivery of custom web tools, with a focus on user engagement and backend scalability. With more than a decade-long partnership, 100% of feedback is positive, emphasizing their responsiveness, transparency, and innovative solutions.
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$10,000+$25 - $49 / hr50 - 249Sukteri, India
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See all 38 projectsOyelabs Technologies is a web development company specializing in custom software and full-stack web development. Their reviews are overwhelmingly positive, with clients praising their punctuality, precise processes, and effective project management. Approximately 100% of reviews highlight their timely delivery and client-focused approach, showcasing their commitment to meeting project timelines and budgets.
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$10,000+$25 - $49 / hr50 - 249L'viv, Ukraine
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See all 12 projectsFicus Technologies is a web development company known for its expertise in full-stack web development, particularly in developing multi-tenant architectures for ERP platforms. Feedback highlights their outstanding project management, with 100% of reviewers praising their creativity, availability, and innovative solutions. Clients appreciate their alignment with company values and their ability to handle both front-end and back-end development effectively.
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$25,000+$150 - $199 / hr10 - 49Washington, DC
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See all 8 projectsnclud is a web development company specializing in custom Website Development and Web Design. They have demonstrated robust project management capabilities, highlighted by a 100% satisfaction rate among clients citing their creativity, responsiveness, and flexibility. Clients frequently commend nclud for their ability to translate complex visions into functional, visually appealing websites, with approximately 75% noting their strong communication and personal attention.
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$75,000+$100 - $149 / hr50 - 249New York City, NY
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See all 7 projectsOnit Digital, Inc. is a web development company specializing in full-stack web and custom website development, with a focus on creating responsive, multi-language sites on WordPress platforms. Reviews highlight their exceptional communication, proactive approach, and dedication to exceeding expectations, with 100% of feedback praising their quality work and strategic project management.
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$5,000+$25 - $49 / hr50 - 249Yerevan, Armenia
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See all 31 projectsSolicy is a distinguished web development company specializing in custom software solutions, blockchain, and AI integrations. With 100% of reviewers commending their timely delivery and efficient project management, Solicy consistently excels in technical expertise, communication, and customer satisfaction. Their proficiency in web application and back-end development is highly valued, making them a preferred choice for complex projects.
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$25,000+$150 - $199 / hr10 - 49Woodstock, GA
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See all 13 projectsBlack Airplane is a web development company specializing in custom website development, online development, and web application development. With a focus on delivering tailored solutions, they have garnered overwhelmingly positive feedback, with approximately 90% of clients praising their technical expertise, effective communication, and ability to meet project needs. Clients often highlight their proficiency in full-stack web development and front-end development, emphasizing their capabilities in creating intuitive web platforms and applications.
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$25,000+$25 - $49 / hr50 - 249Brooklyn, NY
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See all 18 projectsDevtorium is a comprehensive web development company specializing in full-stack web development, web design, and custom website development. Their reviews consistently highlight their professionalism, efficient project management, and ability to deliver projects on time and within budget. Notably, 100% of the reviews praise their responsiveness and adaptability to client needs, with no negative feedback reported.
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$10,000+$25 - $49 / hr50 - 249San Diego, CA
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See all 25 projectsSynergyTop is a web development company lauded for its proficiency in custom website development, front-end and back-end development, and web application development across various sectors. Their reviews reflect a 100% positive customer satisfaction rate, with clients consistently praising their responsive communication, technical expertise, and commitment to delivering projects on time and within budget. Approximately 85% of reviewers highlight their exceptional project management and ability to adapt to changing requirements.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 17 projectsMURAHA is a web development company specializing in custom website development, focusing on web application development and full-stack web development. They received 100% positive feedback for their ability to meet deadlines, ensure high-quality work, and foster professional communication. Reviewers highlighted their impressive project management, attention to detail, and alignment with client needs.
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$5,000+$100 - $149 / hr10 - 49Dublin, Ireland
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See all 17 projectsVevol Media - Shopify Developers is a web development company specializing in custom website development and full-stack web development, with a focus on Shopify. The company is praised for its technical expertise, reliability, and excellent communication, achieving a 100% positive feedback rate across its reviews. Approximately 80% of reviewers highlight their collaborative nature and commitment to meeting client needs.
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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 8 projectsDONE. is a distinguished web development company known for delivering high-quality custom website and web application development services. Across multiple reviews, clients consistently praise DONE. for their professionalism, effective communication, and ability to transform ideas into functional solutions. Approximately 95% of feedback highlights their exceptional project management, creativity, and timely execution, resulting in increased web traffic and conversions for clients.
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$25,000+$100 - $149 / hr2 - 9Seattle, WA
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See all 9 projectsLunarbyte.io is a web development company specializing in full-stack web development and web application development. They receive overwhelmingly positive feedback, with clients praising their efficiency, project management skills, and thought leadership. Approximately 100% of reviewers highlight their responsive communication and dedication to project success, indicating a strong commitment to client satisfaction.
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$1,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 1 projectsNetleon Technologies is a web development company specializing in website and mobile app development, known for its high-quality and reliable services. They are praised for their hardworking nature and effective project management, with 100% positive feedback highlighting their ability to meet client specifications and create aesthetically pleasing and user-friendly designs.
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$10,000+$25 - $49 / hr50 - 249Khmel'nyts'kyi, Ukraine
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See all 12 projectsIT Hoot is a web development company specializing in custom website development, web application development, and full-stack web development. Reviewers consistently praise their technical expertise, timely delivery, and effective communication, with 100% of reviewers noting their value for cost and proactive project management. Some areas for improvement include more detailed documentation and staggered product rollouts.
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$5,000+$150 - $199 / hr10 - 49Coquitlam, Canada
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See all 14 projectsBallistic Arts is a marketing firm with a strong emphasis on web design and custom website development. Reviews indicate a high level of client satisfaction, with positive feedback about their responsiveness and expertise in website optimization and social media management. Approximately 90% of reviewers commend their innovative approach and ability to enhance online presence, while no significant negative feedback has been noted.
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$1,000+$25 - $49 / hr2 - 9Tallinn, Estonia
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See all 12 projectsStreet 17 is a web development company specializing in website development and custom web development services. Across multiple reviews, clients highlight their ability to transform complex ideas into functional and visually appealing websites, with 100% of reviews noting their strong alignment with client values and a high level of care and dedication. Despite some comments about premium pricing, clients emphasize the value provided, citing increased brand presence and improved user engagement as key outcomes.
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$1,000+$50 - $99 / hr10 - 49Bengaluru, India
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See all 20 projectsCommutatus is a web development company specializing in custom website and web application development, with a strong emphasis on client satisfaction and strategic technical direction. Reviews highlight their exceptional project management, proactive communication, and commitment to enhancing user experience. Approximately 90% of feedback is positive, with 80% of reviewers praising their flexibility and technical expertise in full-stack web development.
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$10,000+$25 - $49 / hr10 - 49Khmel'nyts'kyi, Ukraine
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See all 42 projectsDevix Digital, a web development company specializing in full-stack web development and design services, consistently receives positive feedback for their exceptional communication and high-quality deliverables. Approximately 90% of reviewers highlight their ability to meet deadlines and manage projects efficiently, resulting in enhanced website functionality and user engagement. Clients appreciate their proactive responsiveness, with 85% mentioning their seamless project management and creative input.
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$10,000+$50 - $99 / hr50 - 249Los Angeles, CA
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See all 43 projectsDevTeamSpace is a versatile web development company specializing in Website Development, Full-Stack Web Development, and Custom Website Development services. With a track record of completing complex projects across various domains, such as mobile applications, smart contracts, and web portals, they maintain a high level of client satisfaction. Approximately 90% of the reviews praise their project management and communication skills, with customers noting their responsiveness and dedication to quality.
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$10,000+$150 - $199 / hr50 - 249San Diego, CA
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See all 4 projectsPINT, Inc. is a professional web development company specializing in full-stack web development, web design, and custom website solutions. The majority of reviews reflect positive feedback, with approximately 95% of clients praising their project management, responsiveness, and ability to enhance website traffic and user experience. Clients appreciate PINT, Inc.'s commitment to understanding client needs and providing timely and effective web programming solutions.
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$10,000+$25 - $49 / hr50 - 249Zaporizhzhia, Ukraine
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See all 5 projectsPixelTeh is a web development company specializing in custom website development, full-stack web development, and web application development. The company receives overwhelmingly positive reviews, with 100% of clients highlighting their effective communication, timely delivery, and strong technical expertise. Clients particularly commend PixelTeh's ability to manage projects efficiently and provide valuable insights beyond mere execution.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 9 projectsTec-Sense Innovations Pvt. Ltd. is a web development company specializing in custom website development, web design, and full-stack web development services. The company is praised for its excellent communication and project management, with 100% of reviewers highlighting their responsiveness and collaborative approach. While some minor areas for improvement are noted, their commitment to quality and client satisfaction is consistently recognized.
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$25,000+$100 - $149 / hr10 - 49Austin, TX
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See all 7 projectsMadcraft is a web development company known for its expertise in custom website development, web design, and full-stack web development. Reviews consistently highlight their meticulous attention to detail, innovative solutions, and user-friendly designs. Impressively, 100% of reviewers praised their professionalism and commitment to deadlines, while 75% specifically noted their ability to understand and enhance the client's business model.
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$25,000+$200 - $300 / hr10 - 49New York, NY
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See all 4 projectsCompose[d] is a creative design and digital content agency specializing in social media design, digital assets, and engaging content creation for global brands. Their clients consistently praise them for their creative flexibility, efficient project management, and strong communication skills. With a 100% satisfaction rate, reviewers frequently highlight the team's responsiveness, collaborative nature, and ability to deliver high-quality work that meets or exceeds expectations.
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$5,000+$50 - $99 / hr2 - 9
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See all 10 projectsWalt is a web development company proficient in creating custom website solutions and implementing digital strategies. Their services encompass front-end and back-end development, web design, and SEO optimization. Reviews indicate a 100% satisfaction rate, highlighting their project management, tailored client solutions, and proactive approach. Approximately 85% of clients commend their understanding of needs, while 95% appreciate their timely and effective communication.
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$50,000+$50 - $99 / hr50 - 249L'viv, Ukraine
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See all 31 projectsRelevant Software is a web development company specializing in custom web application development and comprehensive software solutions. Feedback highlights their expertise in full-stack web development, with 90% of reviews praising their technical proficiency and seamless project management. Clients consistently commend their ability to deliver high-quality, scalable platforms that enhance user experience and operational efficiency.
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$5,000+$25 - $49 / hr1,000 - 9,999Kalwara, India
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See all 4 projectsGirnar Software (SEZ) Private Limited is a versatile IT services company specializing in website and web application development, with strong capabilities in SEO and back-end development. The company is praised for its cost-effectiveness and speed, with 100% of reviewers highlighting their satisfaction in these areas. An initial communication barrier was noted but has since improved significantly.
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$5,000+$50 - $99 / hr2 - 9Rīga, Latvia
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See all 14 projectscaballero is a full-stack web development company specializing in custom website development, web design, and web application development. The company is praised for its professional project management, responsiveness, and commitment to meeting deadlines, with 90% of reviewers expressing satisfaction with their services. Clients commend caballero’s ability to provide valuable insights, seamless solutions, and clear communication throughout their projects.
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List of the Top 15 JavaScript Development Companies
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$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
35.9/40.019/20 Reviews10/10 Clients & Experience6.9/10 Market PresenceService focus
60% Web Development50% JavaScript40% Other -
$10,000+$25 - $49 / hr250 - 999Bengaluru, India
Ability to deliver
37.2/40.020/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
20% Web Development40% JavaScript80% Other -
$5,000+$50 - $99 / hr50 - 249Maribor, Slovenia
Ability to deliver
35.1/40.020/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
40% Web Development100% JavaScript60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.1/40.018.4/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.5/40.018.8/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
40% Web Development60% JavaScript60% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
35.9/40.018.8/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
30% Web Development21% JavaScript70% Other -
$1,000+< $25 / hr250 - 999Walpole, MA
Ability to deliver
32.8/40.016.2/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
34.8/40.018.6/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
50% Web Development90% JavaScript50% Other -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
37/40.019.6/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
45% Web Development10% JavaScript55% Other -
$5,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
32.3/40.017.2/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
35.6/40.019.6/20 Reviews10/10 Clients & Experience6/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
Ability to deliver
34.9/40.019.8/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
33.6/40.016.8/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
35.5/40.018.8/20 Reviews10/10 Clients & Experience6.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
36.2/40.020/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
30% Web Development15% JavaScript70% Other -
$10,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
32.6/40.018.8/20 Reviews8.3/10 Clients & Experience5.5/10 Market PresenceService focus
55% Web Development45% JavaScript45% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
36.3/40.017.6/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
15% Web Development18% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
33.8/40.018.6/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
33.1/40.017.8/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
35.7/40.020/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$25,000+$50 - $99 / hr10 - 49Poznań, Poland
Ability to deliver
33.8/40.017/20 Reviews10/10 Clients & Experience6.8/10 Market PresenceService focus
50% Web Development60% JavaScript50% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
31.9/40.016.4/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
31.9/40.016.2/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
31.9/40.015.8/20 Reviews10/10 Clients & Experience6.1/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
33.9/40.017.2/20 Reviews9.9/10 Clients & Experience6.8/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$25 - $49 / hr50 - 249Kraków, Poland
Ability to deliver
33.8/40.018.8/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Web Development50% JavaScript70% Other -
$5,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
37.4/40.020/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$25,000+$100 - $149 / hr50 - 249Santa Clara, CA
Ability to deliver
35.1/40.017.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
60% Web Development20% JavaScript40% Other
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.