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 - 9Deesa, India
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See all 4 projectsDigixtial Technologies is a versatile web development company offering custom website development, full-stack web development, and web application development services. With a remarkable 100% positive feedback rate, clients consistently praise their technical expertise, responsive project management, and ability to deliver high-performing, scalable solutions on time. A notable 80% of reviewers highlight their excellent communication and tailored approach to client needs.
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$1,000+$25 - $49 / hr10 - 49
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See all 15 projectsCodeskies - Digital Web Development Agency is a full-stack web development company highly regarded for its expertise in custom website development, web design, and web application development. Across the reviews, 90% of clients commend their responsiveness, reliability, and ability to deliver high-quality work within budget. Notably, 80% of reviewers highlight their speed and efficiency in project execution.
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$10,000+$25 - $49 / hr10 - 49Dover, DE
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See all 2 projectsDigital Pharma Team is a web development company specializing in digital solutions, including web programming and custom website development. They received overwhelmingly positive feedback for their ability to integrate smoothly with client teams and deliver high-quality, user-friendly digital projects, with 100% of reviewers highlighting their responsiveness and strategic insights in achieving competitive digital presence.
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$5,000+$25 - $49 / hr2 - 9Kingston, Jamaica
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See all 1 projectsDCI Solutions is a software development company specializing in creating scalable, web-based applications for financial services. Review feedback indicates a strong emphasis on responsiveness and understanding of business needs, with 100% positive comments on their project management and communication. However, 100% of reviewers noted a need for improved documentation timeliness.
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$1,000+$25 - $49 / hr2 - 9Wrocław, Poland
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See all 2 projectsTigriWeb is a full-stack web development company known for its technical expertise and client-centered approach. All reviewers commend their ability to deliver visually appealing, intuitive, and functional websites, with 100% positive feedback highlighting their project management and flexibility. They excel in increasing website traffic, user engagement, and conversion rates.
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$50,000+$50 - $99 / hr50 - 249Ljubliana, Slovenia
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See all 1 projectsSetronica is a software development company specializing in full-stack web development and web programming, particularly within enterprise software in the Java space. Overall, feedback is highly positive, with clients lauding their deep domain knowledge and commitment to understanding project goals. Approximately 90% of reviewers appreciate their strong project ownership, while some note room for improvement in smooth delivery adaptation.
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$5,000+$25 - $49 / hr50 - 249
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See all 1 projectsEUREKA Bespoke IT Solutions is a full-stack web development company known for its expertise in communication applications, particularly video calling and VoIP technology. Clients consistently commend EUREKA for their reliability and professionalism, with approximately 95% of projects delivered on time and within budget. Their ability to develop custom solutions without relying on third-party software is a standout feature.
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$5,000+$25 - $49 / hr50 - 249Mumbai, India
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See all 11 projectsBuzzlink Studios - Top Website Development Company in Mumbai, is a leading provider of custom website and web application development, excelling in full-stack web development, including front-end and back-end development. Customer feedback is overwhelmingly positive, with 90% of reviewers praising their expertise and ability to deliver tailored solutions. Clients commend their exceptional project management and understanding of business needs.
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$5,000+< $25 / hr50 - 249
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See all 1 projectsHuviTek is a consulting firm specializing in the automation of business processes and access controls, excelling in updating applications with SAP and SAP Fiori technologies. The company has received positive feedback, with reviewers highlighting their exemplary work, impressive documentation, and agile project management. HuviTek consistently delivers 3 to 4 functional updates monthly without missing deadlines.
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$5,000+< $25 / hr10 - 49Dubai, United Arab Emirates
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See all 2 projectsServiots Technology Pvt. Ltd. is a web development company that specializes in Custom Website Development and Web Programming. Their dedication and customer-centric approach are consistently highlighted, with 100% of reviewers praising their timely delivery and commitment to quality. This company is highly recommended by clients for its expertise and professional execution in web development projects.
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$50,000+$25 - $49 / hr10 - 49Managua, Nicaragua
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See all 11 projectsBoombit is a versatile web development company offering services such as Web Development, Web Design, and QA. Across multiple reviews, Boombit is praised for its exceptional communication, proactive problem-solving, and rigorous project management, with numerous clients highlighting their ability to deliver high-quality services on time. Over 90% of reviews commend their value for cost and geographic proximity as deciding factors in their selection.
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$1,000+$25 - $49 / hr10 - 49Denton, England
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See all 2 projectsDevOasis Technologies is a web development company specializing in web programming, front-end and back-end development, and custom website development. The feedback highlights their professionalism, adaptability, and coding expertise, with 100% of reviewers praising their flexibility and creativity. However, there is a minor suggestion for improving task list management.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 5 projectsMetWaves Technologies is a web development company specializing in custom website development, web application development, and full-stack web development. The company has received overwhelmingly positive feedback, with 85% of reviewers highlighting their impressive project management and innovative solutions. Clients commend their ability to deliver on schedule and provide excellent support, making them a reliable partner for diverse web programming projects.
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$10,000+$25 - $49 / hr50 - 249Surat, India
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See all 3 projectsVision Infotech is a web development company specializing in program maintenance and custom website development, with a strong focus on WordPress solutions. They have garnered positive feedback for their communication and ability to integrate complex functionalities, as evidenced by ongoing projects with significant investments. Approximately 100% of reviews appreciate their technical problem-solving skills and cost-efficiency.
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$10,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 1 projectsNOI Technologies LLC is an e-commerce and ERP development company recognized for its technical expertise and comprehensive consultancy services. Feedback is overwhelmingly positive, with a notable emphasis on their excellent project management, timely delivery, and scalability of solutions. Approximately 100% of reviewers highlight the company's effective communication and strong technical knowledge.
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$10,000+$25 - $49 / hr10 - 49Trieste, Italy
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See all 2 projectsSQRD.tech is a software development company specializing in staff augmentation and custom solution development, utilizing technologies like Java, React, .NET Core, and C#. They are highly praised for their experienced and dedicated team, proactive communication, and seamless integration into clients' workflows. With 100% positive feedback, clients commend their flexibility, professionalism, and value for cost.
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$5,000+$100 - $149 / hr2 - 9St Albans, England
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See all 4 projectsKatalysis Net is a web development company known for its custom website development and comprehensive web design services. With a focus on delivering high-quality and creative brand designs, 100% of reviewers commend their effective project management and seamless communication. The company excels in web application development, particularly in enhancing brand identity and optimizing client engagement through strategic online development solutions.
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Undisclosed$25 - $49 / hr2 - 9
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See all 5 projectsYAVACADO Digital agency is a web development company specializing in web design and custom website development. Across the reviews, 100% of clients praised their timely delivery and flexibility, while 50% highlighted their ability to accommodate feedback and updates. The agency consistently provided cost-effective solutions, resulting in modern, high-quality websites that enhanced client branding and lead generation efforts.
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$25,000+$25 - $49 / hr50 - 249Montevideo, Uruguay
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See all 1 projects1950Labs is a web development company specializing in creating elegant and effective localized websites. According to client reviews, they are praised for their professionalism, quality, and speed, with a 100% satisfaction rate. Notably, the company excels in delivering clean and purposeful web solutions, as highlighted by all reviewers.
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Undisclosed$50 - $99 / hr2 - 9
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See all 2 projectsFetosoft is a web development company specializing in application development and custom software solutions. With a 100% positive feedback rate, clients praise their efficient project management, timely delivery, and personalized approach. Approximately 50% of reviewers highlighted their responsiveness and commitment to understanding client needs.
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UndisclosedUndisclosed10 - 49Sibiu, Romania
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See all 5 projectsAgile Freaks is a web development company specializing in full-stack web development and agile methodologies, supporting projects from secure website development to complex survey platforms. The company has received overwhelmingly positive feedback, with clients highlighting their collaborative and solution-oriented approach. Impressively, 100% of reviewers praised Agile Freaks for their seamless project management and ability to foster organizational growth.
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$10,000+$50 - $99 / hr10 - 49Tampa, FL
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See all 3 projectsModernized Mobile LLC is a software development company specializing in website development and social media optimization. Reviews highlight their effective communication, timely project completion, and comprehensive service offerings, with 100% positive feedback on their ability to enhance online presence and engagement, particularly appealing to younger audiences.
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$10,000+$50 - $99 / hr10 - 49Mumbai, India
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See all 3 projectsSTYLABS is a full-stack web development company specializing in website design, web application development, and custom software solutions. Their work is consistently praised for blending innovation with practicality, with 100% of reviewers noting enhanced efficiency and improved client collaboration. They excel in creating visually engaging, user-friendly solutions tailored to client needs.
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$10,000+< $25 / hr50 - 249Dhaka, Bangladesh
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See all 31 projectsOntik Technology Ltd. is a versatile Web Development company that excels in integrating technology with various domains such as AI development, custom software, and full-stack web programming. They consistently deliver high-quality solutions across industries like healthcare, electromobility, and sports, with 90% of reviews highlighting their technical expertise and strategic insight. However, 10% of feedback points to areas for improvement in project management and communication.
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$75,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 2 projectsIT Resistance is a software development company, specializing in enhancing digital platforms and building robust IT infrastructures. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their value for cost, alignment with company values, and proficient project management. Their transparent, product-centric approach and expertise in both front and backend development have significantly contributed to the success of clients' projects.
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$1,000+$25 - $49 / hr10 - 49București, Romania
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See all 7 projectsDealinweb SRL is a web development company specializing in custom website development, web design, and web application development. Across multiple reviews, 100% of clients praised their timely delivery, professionalism, and exceptional communication. Their ability to enhance user experience and implement innovative, data-driven solutions was highlighted by 67% of reviewers, establishing them as a reliable partner in achieving business objectives.
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$25,000+$25 - $49 / hr2 - 9Barcelona, Spain
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See all 4 projectsClaw Studios is a full-stack web development company known for delivering high-quality, custom web solutions with a strong focus on user experience design and seamless system integration. Their reviews highlight a 100% positive feedback rate, emphasizing their exemplary project management, technical acumen, and client-centric approach, which collectively contribute to significant cost savings and operational efficiencies for their clients.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 1 projectsEtilox Solutions is a software development company specializing in creating apps and websites, with a strong emphasis on communication, transparency, and efficient project execution. The reviews highlight 100% positive feedback, emphasizing their excellent communication skills and ability to deliver high-quality work promptly. Notably, Etilox Solutions is praised for meeting deadlines and exceeding expectations, leading to successful project outcomes and client satisfaction.
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$5,000+$50 - $99 / hr2 - 9
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See all 3 projectsCodezone Software is a full-stack web development company renowned for its rapid and quality delivery of web development solutions. The company is praised for its effective communication and collaboration, with 100% of reviews highlighting their timely project completion and bug resolution skills. They are particularly recognized for their flexibility and proficiency in both front-end and back-end development.
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$5,000+$25 - $49 / hr2 - 9Auckland, New Zealand
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See all 2 projectsDigiSmiths.com is a web design and development company with expertise in creating modern, responsive websites and logo designs tailored to specific industries. Reviewers consistently praise their ability to translate client visions into reality, with 100% positive feedback highlighting their effective communication and industry-specific design skills.
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$1,000+$25 - $49 / hr2 - 9L'viv, Ukraine
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See all 1 projectsCoderPlace is a web development company known for its expertise in Front-End Development and Back-End Development, as demonstrated by their masterful handling of complex architecture involving React, Node, and GraphQL. Their reviews highlight a 100% positive feedback rate, particularly praising their exceptional communication and collaborative approach, making them feel like a natural extension of the client's team.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsMaras Tech is a full-stack web development company, praised for delivering customizable and high-quality websites. With 100% positive feedback, clients highlight their reliability, responsiveness, and exceptional technical execution. Their ability to create dynamic web solutions and provide ongoing support makes them a trusted partner for web application development projects.
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$1,000+< $25 / hr2 - 9Vadodara, India
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See all 10 projectsAmple Websol is a web development company specializing in custom website development and full-stack web development services. Their reviews indicate a 100% positive feedback rate, with clients particularly praising their attention to detail and effective project management. Approximately 85% of reviewers highlight their responsiveness and ability to deliver projects on time, while 75% commend their local SEO expertise and enhanced online visibility.
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$1,000+< $25 / hr50 - 249Ahmedabad, India
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See all 1 projectsWebbleu Technologies Pvt. Ltd. is an app development company specializing in Android applications using Unity. Feedback indicates a strong emphasis on quality, creativity, and effective project management, with 100% of reviewers praising their cooperative approach and on-time delivery. Clients appreciate their innovative ideas and consistent communication, highlighting their professionalism and support throughout projects.
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$1,000+$100 - $149 / hr2 - 9Liverpool, NY
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See all 6 projectsACS Web Design & SEO specializes in Web Development and SEO services, consistently delivering projects on time with effective communication. They facilitated a 25% increase in calls for a real estate firm and achieved top search rankings for clients like Custom Logo USA and SECNY Federal Credit Union. Notably, 100% of reviewers highlight their attention to detail and impressive project management.
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Undisclosed$25 - $49 / hr2 - 9FONTEFRIA (AMOEIRO), Spain
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See all 6 projectsZen Republic digital agency specializes in optimizing Google Ads and digital marketing campaigns. The agency consistently receives positive feedback, with 100% of reviewers highlighting their communication, project management, and alignment with client values. Notably, they have improved lead generation and reduced costs, with over 30% increase in leads reported by one client. Their attention to detail and creativity are frequently praised.
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$5,000+< $25 / hr50 - 249Houston, TX
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See all 1 projectsSpiral Mantra Private Limited is a Salesforce consulting company that excels in integrating Salesforce Einstein Chatbot for enhanced customer service. Customer reviews on Clutch.co highlight their impressive technical expertise and timely delivery, with 100% positive feedback. Clients commend their ability to understand needs and offer scalable solutions, making them a reliable partner for digital interaction improvements.
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$1,000+< $25 / hr50 - 249Kozhikode, India
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See all 6 projectsCodelattice Dubai is a web development company specializing in Website Development, Web Design, and Web Programming. Reviews highlight their professionalism, accessibility, and ability to deliver tailored solutions. With 100% positive feedback, clients commend their technical expertise and continuous support, often extending their collaboration for ongoing services like backend support and SEO.
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$5,000+$50 - $99 / hr10 - 49
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See all 1 projectsEnormac Digital Marketing is a digital marketing agency specializing in website development and web design. They delivered significant results, such as a 1330% increase in rental inquiries and an 870% rise in job applications, with clients praising their responsiveness and value for money. Approximately 100% of reviewers highlight their impressive project delivery and customer support.
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$10,000+$50 - $99 / hr50 - 249Villa de Álvarez, Mexico
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See all 6 projectsMagmaLabs is a full-stack web development company specializing in custom website development and web application development. Reviewers highlight their strong project management and collaborative approach, with 100% praising their professionalism and communication. Their ability to navigate complex projects and deliver high-quality, timely solutions makes them a preferred choice for businesses seeking reliable web programming partners.
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$10,000+< $25 / hr50 - 249Chandigarh, India
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See all 11 projectsApps Maven is a software development company specializing in mobile app and web development. The reviews are varied, with approximately 70% of the feedback being positive, highlighting their technical expertise, commitment, and project management skills. However, there are also negative experiences, particularly regarding project delivery and communication issues, mentioned in about 30% of reviews. Potential clients are advised to clearly define project expectations and maintain regular communication to ensure successful outcomes.
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$1,000+$25 - $49 / hr2 - 9Prague, Czech Republic
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See all 3 projectsBlackmut Agency is a web development company specializing in custom website development and web design. They consistently receive positive feedback, with 100% of reviewers praising their project management skills and unique design capabilities. Clients particularly appreciate their attention to detail, engagement, and effective communication throughout the project, ensuring a tailored solution that meets all client needs.
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$1,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 1 projectsTwinTargets is a web development company specializing in website development, web design, and branding. They are lauded for their efficient and cost-effective service, with 100% of reviews highlighting their quick response, clear communication, and high-quality results. Clients appreciate their ability to transform visions into reality, noting their exceptional project management and value for money.
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Undisclosed< $25 / hr2 - 9
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See all 2 projectsDevStudioAl is a web development company specializing in website development and web design, particularly in creating e-commerce and online booking systems. The overall feedback is positive, with clients appreciating their timely delivery and direct communication. Nearly all reviewers note the company’s friendly demeanor, although there is a slight indication that perfection was not achieved.
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$1,000+$25 - $49 / hr10 - 49
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See all 2 projectsSmartinfoway is a web development company specializing in web programming and custom website development. The feedback is overwhelmingly positive, highlighting strong communication, fast response, and effective problem-solving, with no suggestions for improvement. Approximately 100% of reviews praise their personal approach and timely project delivery.
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Undisclosed$25 - $49 / hr10 - 49Ahmedabad, India
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See all 3 projectsOrtus Knights is a full-service web development company specializing in custom website development and online development solutions. Their reviews indicate a high level of satisfaction, with 100% positive feedback emphasizing their impressive project management, timely delivery, and effective communication. Clients particularly appreciate their comprehensive approach to web design and development, including SEO and social media integration.
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$25,000+$50 - $99 / hr2 - 9Visakhapatnam, India
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See all 4 projectsContentelix specializes in Website Development, Web Design, and content creation services, including brochure design and short video production. Reviews highlight their professional approach, timely delivery, and exceptional project management. Clients commend Contentelix for aligning with company values, providing quality outcomes, and maintaining a strong client-focused ethos in their Online Development and Web Programming efforts.
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$5,000+$100 - $149 / hr2 - 9Staten Island, NY
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See all 16 projectsStatenWeb is a versatile web development company offering services like website development and design, custom WordPress themes, and ongoing website management. Their reviews highlight outstanding customer service, timely delivery, and expertise in WordPress, with 100% of clients praising their responsiveness and communication skills. Many clients (over 80%) appreciated their cost-effective solutions and alignment with company values, noting their ability to integrate seamlessly as part of extended teams.
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$5,000+$25 - $49 / hr10 - 49Udaipur, India
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See all 5 projectsGKM IT Private Limited is a versatile IT services provider specializing in software development, app development, and cryptocurrency solutions. The company receives consistent praise for its flexibility and problem-solving abilities, with 80% of reviewers highlighting their impressive adaptability and technical expertise. Clients appreciate their ability to transform complex ideas into scalable solutions, although some note areas for improvement in project management.
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Undisclosed$25 - $49 / hr10 - 49
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See all 4 projectsfrixB is a software development company specializing in custom solutions, web development, and innovative technology. Their reviews highlight a 100% positive feedback rate, emphasizing their commitment, professionalism, and the high quality of their deliverables. Clients particularly appreciate their efficient project management and value for cost.
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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.