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 89 projectsDigis, a Fiverr company (NYSE: FVRR), specializes in Web Development, providing comprehensive services such as Front-End Development, Back-End Development, and Custom Website Development. Their reviews indicate a 100% satisfaction rate, highlighting their strong project management, technical expertise, and clear communication. Approximately 70% of reviewers emphasize their seamless integration into teams and high-quality deliverables.
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$1,000+$25 - $49 / hr2 - 9Vancouver, Canada
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See all 1 projectsCodecompass Tech Solutions is a web development company specializing in custom website development and web design. Reviews indicate a 100% positive feedback rate, highlighting excellent service, efficient project management, and budget-friendly solutions, with over 50% of reviewers praising their ability to exceed expectations. The company is recognized for its professionalism and timely delivery.
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$10,000+$25 - $49 / hr10 - 49Noida, India
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See all 11 projectsInfozion Technologies is a web development company specializing in custom website development, web application development, and front-end and back-end development. With a significant focus on responsiveness and reliability, 90% of reviewers highlight their ability to meet tight deadlines without compromising quality. Clients also appreciate their technical expertise and proactive support, though some suggest improvements in communication and documentation practices.
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$10,000+$25 - $49 / hr10 - 49
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See all 5 projectsNordWhale is a web development company specializing in custom web application development and full-stack web development. Review feedback highlights their skilled developers and efficient, organized project management, with 100% of reviewers noting their impressive work quality and responsiveness. They consistently deliver aesthetically pleasing and robust solutions using technologies such as ReactJS, Redux, and NodeJS.
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$1,000+$25 - $49 / hr10 - 49
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See all 5 projectsCreative Squad Inc is a web development company specializing in full-stack website design and development, praised for their professionalism, transparency, and cost-effectiveness. With 100% positive feedback, clients commend their attention to detail and timely delivery. They excel in custom website development, consistently adapting to varying project sizes and needs.
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$10,000+< $25 / hr10 - 49Katy, TX
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See all 2 projectsClickySoft is a web development company specializing in website development and web design services. The reviews highlight their technical proficiency, especially in creating user-friendly and professional-looking websites. The company is praised for its thoroughness and excellent English communication, with 100% of the reviewers appreciating these aspects. A minor suggestion for improvement was increased availability in the afternoons EST.
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$5,000+$25 - $49 / hr10 - 49
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See all 2 projectsFrontdreams Technologies is a web development company specializing in responsive and user-friendly website design, web programming, and SEO. With a team of 6–10 employees, they were lauded for their high-level skills and effective communication, achieving satisfactory and timely project management. The client feedback was overwhelmingly positive, with no areas for improvement mentioned.
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$1,000+$25 - $49 / hr10 - 49Nilüfer, Türkiye
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See all 1 projectsSmartover is a UX/UI design company specializing in creating user-centric digital experiences. The firm is praised for its high degree of flexibility and exceptional talent in design, with 100% positive feedback from clients. Reviewers highlight the company's ability to transform complex interactions into intuitive platforms, significantly enhancing user experience.
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UndisclosedUndisclosed50 - 249
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See all 4 projectsDevelux is a full-stack web development company known for delivering high-quality custom website and web application development services. With a strong emphasis on meeting deadlines and client needs, 100% of reviewers highlight their effective project management and quality work, making them a valuable partner for complex online development projects.
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$5,000+$25 - $49 / hr2 - 9Mumbai, India
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See all 2 projectsSkyHigh Technologies is a mobile app development company known for delivering high-quality apps that consistently exceed client expectations. The company receives overwhelmingly positive feedback, with clients praising their excellent project management and strong customer relations. Approximately 100% of reviewers highlight their ability to understand project needs and deliver reliable solutions.
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$1,000+$25 - $49 / hr50 - 249Fort Worth, TX
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See all 25 projectsWebrock Media LLC is a web development company specializing in custom website and application development, with a notable focus on WordPress. The company is praised for its strong communication skills, timely project completion, and commitment to client satisfaction, as reflected in over 80% of positive feedback. A recurring theme among reviews is the team's ability to meet project requirements and deliver high-quality, responsive websites.
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$10,000+$25 - $49 / hr10 - 49Rajkot, India
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See all 7 projectsRK WebTechnology specializes in Website Development, offering both Front-End and Back-End Development services. Reviews indicate a generally positive reputation, with 80% highlighting their responsiveness and communication skills. However, around 20% suggest room for improvement in proactivity and input. Overall, clients appreciate their flexibility and high-quality output within budget constraints.
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UndisclosedUndisclosed50 - 24942450 Hayes Rd, Suite #3, MI
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See all 3 projectsJRD Systems is a technology solutions provider specializing in cloud services, data processing, and application development. Reviews indicate high client satisfaction, with 100% of clients noting efficiency gains and responsiveness. Customers appreciate their strong project management, timely delivery, and clear communication, although more frequent progress updates could enhance transparency further.
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$25,000+$150 - $199 / hr2 - 9Praha, Czech Republic
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See all 3 projectsWithSeismic: The Secret Startup Weapon for Ambitious Brands is a web development company specializing in custom web application development and data automation solutions. They received 100% positive feedback, with clients highlighting their ability to simplify complex tasks and deliver projects on time. Notably, 100% of reviewers praised their alignment of company values and effective communication.
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$10,000+$100 - $149 / hr2 - 9
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See all 5 projectsWe Make Waves is a London-based mobile app development company specializing in creating apps and websites, particularly in data privacy and security. The company is noted for its professionalism, flexibility, and high-quality work, with 100% positive feedback from clients emphasizing their expertise, client-centered approach, and strong project management skills. Reviewers appreciate their dedication to client service and ability to deliver creative and effective tech solutions.
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$5,000+$50 - $99 / hr10 - 49Heredia, Costa Rica
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See all 2 projectsPangea Holdings is a multifaceted consulting firm providing AI consulting and web development solutions. Reviews indicate a high level of satisfaction, with 100% of clients highlighting their organized project management and timely delivery. Approximately 50% of reviews mention their personalized support as particularly impressive. Clients appreciate the cost-effective pricing and value alignment with company values.
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$5,000+$25 - $49 / hr10 - 49Montevideo, Uruguay
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See all 5 projectsDIXTRA is a web development company specializing in custom website development, web application development, and full-stack web development. Their reviews are overwhelmingly positive, with 100% of reviewers praising their effective communication, timely delivery, and collaborative culture. Clients commend their flexibility, proactive approach, and talented team, making them a valued partner for both startups and established businesses.
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$1,000+$25 - $49 / hr10 - 49Sofia, Bulgaria
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See all 6 projectsMake IT is a web development company specializing in custom website development and web programming. Their services have consistently exceeded client expectations, with 100% of reviewers praising their professionalism and responsive communication. Clients particularly appreciate their ability to deliver tailored solutions, as evidenced by immediate international requests and enhanced eCommerce functionalities post-launch.
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$5,000+$25 - $49 / hr50 - 249Vadodara, India
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See all 3 projectsAtyantik Technologies Private Limited is a full-stack web development company known for its expertise in custom website development and web application development. With 100% positive feedback, clients commend their professional project management, timely delivery, and collaborative approach, treating projects as their own. Atyantik's work fosters innovation and continuous improvement, notably impressing clients with their engagement and efficiency.
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$10,000+$50 - $99 / hr2 - 9Gdynia, Poland
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See all 8 projectsYarMobile is a web application development company with a focus on creating custom systems for seamless communication across platforms. The majority of feedback is positive, highlighting their dedication and round-the-clock work ethic. However, 50% of reviewers suggest that their limited team size may affect large-scale projects.
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$5,000+$25 - $49 / hr2 - 9Bengaluru, India
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See all 7 projectsStead is a web development company specializing in both front-end and back-end development. Clients praise their professionalism, affordability, and adaptability, with 100% of reviews highlighting their expertise in full-stack web development and seamless project execution. Their proficiency in integrating third-party services is also frequently noted.
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$5,000+< $25 / hr10 - 49Islamabad, Pakistan
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See all 7 projectsInfinityBits is a versatile web development company specializing in custom website and web application development. Across their reviews, 100% of clients highlighted their strong project management skills and timely delivery. Notably, 67% praised their ability to exceed expectations in web design and development, while 33% recommended improvements in project management tools. Overall, InfinityBits is recognized for their expertise in delivering high-quality web solutions.
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$5,000+$25 - $49 / hr10 - 49Białystok, Poland
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See all 4 projectsTechvice is a web development company specializing in custom website and web application development. Reviews highlight their strong technical skills and impressive project management, with 100% of clients noting fast communication and thorough involvement. While some quality issues were identified, Techvice promptly resolved them, demonstrating their commitment to client satisfaction.
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$25,000+$50 - $99 / hr10 - 49Paris, France
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See all 1 projectsHello Pomelo is a software development company specializing in creating customized solutions, such as telecom fleet management software. Reviews highlight their effective communication, reliability, and ability to meet deadlines, with 100% of feedback being positive. Clients commend their project management style and the seamless, bug-free software produced.
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Undisclosed$25 - $49 / hr2 - 9Kharkiv, Ukraine
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See all 1 projectsSoft-macro is a full-stack web development company specializing in custom website development with expertise in Google Workspace. They have received positive feedback for their inventive and proactive approach, delivering challenging projects on time and integrating seamlessly with client teams. Reviewers highlight their creativity and flexibility, though some suggest enhancing product testing capabilities.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
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See all 6 projectsElinsys is a versatile digital solutions company specializing in web and mobile app development, offering services such as eCommerce platforms, CRM portals, and website design. Their reviews indicate a high level of professionalism, with 100% of reviewers highlighting effective communication, project management, and support. Clients appreciate their ability to meet deadlines and manage budgets while suggesting innovative solutions and maintaining flexibility in accommodating client changes.
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$1,000+< $25 / hr10 - 49
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See all 3 projectsROBUST SOFTECH PRIVATE LIMITED is a web development company specializing in custom website development, full-stack web development, and online development solutions. They are praised for their responsive communication and fair pricing, with 100% of reviewers highlighting their professionalism and adaptability in handling diverse web projects, including membership sites and payment systems.
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$1,000+< $25 / hr50 - 249Delhi, India
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See all 5 projectsElite Mindz Pvt Ltd is a web development company specializing in web application development and custom website development. Reviews highlight their effective delivery of complex projects, with 100% of feedback indicating satisfaction with the product and timely execution. Clients appreciate their ability to incorporate additional requirements, though timelines for changes could improve.
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$5,000+$50 - $99 / hr2 - 9
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See all 1 projectsNRG Art House is a web development company that excels in creating custom website solutions. With a focus on timely delivery and attention to detail, they effectively met project goals, including website creation and multi-platform compatibility. The reviews are overwhelmingly positive, highlighting their alignment with client values and impressive project outcomes.
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$10,000+$25 - $49 / hr10 - 49L'viv, Ukraine
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See all 7 projectsTeam Rainmakers is a dynamic web development company specializing in custom website development and web application development. Clients praise their efficient and results-driven approach, with 100% positive feedback highlighting their technical expertise and customer-centric communication. However, some reviewers suggest enhancing their frontend strategy and risk management practices.
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$5,000+$100 - $149 / hr2 - 9Loudon, NH
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See all 11 projectsWindhill Design is a web development company specializing in custom website development and web application development. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their efficient and friendly service, timely delivery, and quality of work that exceeds expectations. Clients appreciate their ability to enhance website functionality and solve problems promptly, maintaining professionalism and effective communication throughout projects.
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$10,000+$50 - $99 / hr2 - 9Norfolk, VA
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See all 3 projectsLean Discovery Group is a specialized consultancy providing user research and UX/UI design services. Their reviews reflect a 100% positive sentiment, highlighting their consistent delivery on time, solution-oriented approach, and effective project management. Clients appreciate their responsive communication and integration as an extended part of their team, with no noted areas for improvement.
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Undisclosed$25 - $49 / hr10 - 49Tibás, Costa Rica
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See all 2 projects77 Digital is a digital creative agency specializing in project management, creative work, and development of digital assets, including websites and social media engagements. The company received overwhelmingly positive feedback, with 100% of reviewers praising their adaptability, project management, and competitive pricing. Clients appreciated their ability to enhance digital experiences, resulting in improved metrics such as increased engagement and conversion rates.
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$5,000+$25 - $49 / hr10 - 49
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See all 3 projectsSP-Lutsk, LLC specializes in Website Development and Web Design, providing services such as creating Shopify Store Apps and logistics dashboards. Clients consistently praise the company for its professional project management, timely delivery, and exceptional communication skills, highlighting the team's in-depth knowledge and value for cost. The company is noted for its talented developers and effective alignment with client needs and expectations.
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$5,000+$25 - $49 / hr10 - 49Poznań, Poland
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See all 3 projectsEmpressia is a web development company specializing in custom website development and SEO. They successfully revamped a client's site with a focus on security and multilingual capabilities, earning positive feedback for their professionalism and transparency. Over 90% of the feedback highlights their timely delivery and dedication to meeting project requirements, making them a reliable choice for web programming and design solutions.
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$10,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 2 projectsMolaboo Development is a web development company specializing in full-stack web development and website maintenance. Feedback indicates that they excel in project management and responsiveness, with 100% of the reviewers highlighting their ability to meet deadlines effectively. While specific metrics are unavailable, their competence in web programming is affirmed by their clients.
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$1,000+Undisclosed10 - 49Udaipur, India
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See all 6 projectsiCubes is a web development company specializing in Website Development, Web Design, and Custom Website Development. The overall feedback from their clients is highly positive, with approximately 100% of reviewers praising their project management and responsiveness. They are noted for their attentiveness, budget-friendly pricing, and ability to customize and improve website functionalities efficiently.
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$10,000+$50 - $99 / hr10 - 49Budva, Montenegro
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See all 4 projectsPryvus is a web development company specializing in Backend Website Development and maintenance. Reviewers consistently highlight their prompt response times, with 100% noting their sub-24-hour bug fixes and maintenance requests. Clients are impressed by co-founder Denis's communicative and skilled approach, ensuring projects are completed on time.
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$1,000+$50 - $99 / hr2 - 9
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See all 4 projectsorange5 LLC is a web development company specializing in custom website development and web application development. They have received 100% positive feedback from clients, who appreciate their flexibility, professionalism, and ability to deliver on time and on budget. Their expertise in creating tailored solutions has significantly improved clients' business operations and platforms.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsSemantic Empires is a digital marketing agency recognized for its expertise in Google Ads and email marketing. The company boasts an impressive 78% email open rate and a 20:1 ROAS. The reviews highlight their strong project management and ability to integrate marketing channels, with a minor suggestion for more detailed competitor analysis. Overall, the feedback is overwhelmingly positive, with clients appreciating their proactive approach.
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$1,000+$25 - $49 / hr10 - 49London, England
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See all 18 projectsNeadoo Digital Ltd is an SEO agency that excels in enhancing Google search rankings and website performance. Clients consistently praise their proactive approach and quick response times, with 100% of reviewers noting significant improvements in search positions and website traffic. Their services are characterized by high ratings and strong alignment with client values.
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$10,000+$25 - $49 / hr10 - 49Porto Alegre, Brazil
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See all 3 projectsDois na Oito is a web development company specializing in front-end development and full-stack web development. They have received 100% positive feedback for their clear communication and quality work, impressing clients with their responsiveness and partnership approach. Their emphasis on agile project management and customer-focused solutions is consistently praised by reviewers.
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$5,000+$25 - $49 / hr10 - 49Sarajevo, Bosnia and Herzegovina
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See all 2 projectsStartify is a web development company specializing in creating integrated platforms and custom website development. With 100% positive feedback, clients praise their team's expertise and communication skills, highlighting their ability to deliver high-quality work on time and guide through complex workflows effectively.
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$5,000+$25 - $49 / hr10 - 49Indore, India
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See all 4 projectsGlanceSys Information Technology Pvt. Ltd. is a web development company excelling in crafting websites and landing pages for clients unable to manage projects internally. Garnering positive feedback for their professionalism, speed, and communication, they have a proven track record of delivering 12 web development projects, with 100% of reviewers acknowledging their effective project management and dedication to client satisfaction.
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$1,000+$100 - $149 / hr2 - 9London, England
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See all 6 projectsLab3 Apps is a highly skilled company specializing in Web Application Development and full-stack Web Development. Known for their technical expertise and efficient project management, 100% of reviewers commend their ability to meet tight deadlines while delivering user-friendly solutions. Their adaptability and effective communication are frequently highlighted, making them a trusted partner in complex projects.
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$1,000+$150 - $199 / hr10 - 49Burleson, TX
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See all 1 projectsMindsize is a web development company specializing in custom website development and e-commerce solutions. The overall feedback is overwhelmingly positive, highlighting their expertise in e-commerce platforms and problem-solving, with 100% of reviewers praising their thoroughness and commitment to long-term solutions. Their responsive project management and ability to retain design and SEO elements are also frequently noted by clients.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsIceBreakerStudio is a web development company specializing in custom website development, with a strong focus on WordPress integration and functionality. Review feedback is unanimously positive, highlighting the team's timely communication, problem-solving skills, and ability to deliver flawless, design-accurate websites. Notably, 100% of reviewers praise their ability to provide seamless integration with third-party applications.
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$25,000+$100 - $149 / hr10 - 49Victoria, Canada
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See all 1 projectsFoundry Spatial is a software company specializing in natural resource decision-making tools, like the BC Water Tool. Reviews highlight their scientific rigor and commitment to user support, with 100% positive feedback regarding their on-time delivery and responsiveness. Nearly all reviewers commend their dedication, with no noted areas for improvement.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 24 projectsTechnithunder is a web development company offering services in custom website development, web programming, and full-stack web development. Reviews highlight their expertise in enhancing user experience, integrating advanced features, and consistent on-time delivery. With 100% positive feedback, clients praise their technical precision and creative solutions, emphasizing their alignment with project goals and seamless integration of branding and functionality.
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$10,000+$150 - $199 / hr10 - 49Southampton, England
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See all 2 projectsRareloop is a web development company specializing in creating user-friendly WordPress websites and event microsites. The feedback is overwhelmingly positive, with 100% of reviewers praising their understanding of client goals and effective project management. Clients highlight a 35% increase in site engagement and commend Rareloop for being responsive and communicative, effectively managing complex projects remotely using platforms like Google Meet and Asana.
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$10,000+$100 - $149 / hr2 - 9Chicago, IL
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See all 9 projectsLakeview Labs is a mobile app development company with a strong emphasis on personalized client engagement and strategic project management. Feedback from clients is overwhelmingly positive, highlighting their ability to offer thoughtful, detail-oriented solutions and effective communication. Approximately 80% of reviewers praise their responsiveness and partnership approach, with more than 60% noting their commitment to client success and technical expertise.
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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
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
45% Web Development75% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$25,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
40% Web Development60% 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 -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
38.7/40.019.4/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+< $25 / hr250 - 999Ahmedabad, 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+$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+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.5/40.017.6/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.6/40.018.6/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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 -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
38.7/40.018.8/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% 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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development25% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
30% Web Development21% JavaScript70% 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 -
$10,000+$50 - $99 / hr250 - 999Marlborough, MA
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
25% Web Development25% JavaScript75% 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 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$50,000+$150 - $199 / hr50 - 249Matlock, England
Ability to deliver
37.8/40.018/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
40% Web Development50% JavaScript60% 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
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.