Top JavaScript Developers
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List of the Top JavaScript Development Companies
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
50% Web Development50% Custom Software DevelopmentFocus Areas
10% JavaScript10% ASP.NET10% C# +710% Java10% PHP10% Python10% Rust10% SQL10% Scala10% SwiftSee all 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
5 of 5 JavaScript reviews are 5 stars2 new reviews for JavaScript in past 6 months$10,000 – $49,000 avg. project costJavaScript Experience
Client feedback on Digis's JavaScript services reflects a high level of satisfaction, with 95% of reviews being positive. Many clients praised the expertise of their developers, particularly in frontend and full-stack development, noting timely delivery and effective communication as key strengths. Specific feedback highlighted significant improvements in project efficiency and feature development. Additionally, clients appreciated the agency's ability to provide skilled engineers quickly, confirming Digis as a reliable partner in enhancing their software solutions.
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Industry Experience
Digis has garnered positive feedback across various industries, including Media, Manufacturing, Information Technology, and Financial Services. They excel in software development, particularly in backend and frontend technologies like React, Angular, and Node.js, demonstrating strong project management and communication skills. Clients appreciate their adaptability and responsiveness, resulting in successful project outcomes, such as improved application functionality and streamlined user experiences. Industries like Media and IT have expressed high satisfaction with Digis' ability to integrate seamlessly into teams, indicating a strong fit for clients seeking expertise in these sectors.
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Human Resources Software Consulting Information technology Telecommunications Education Advertising & marketing Other industries Financial services eCommerce Retail Other Industry Automotive IT Services Energy & natural resources Gaming Transportation Business services Real estate Legal Arts, entertainment & music Wellness & Fitness Manufacturing MediaWas this helpful?
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View PackagesCustom Product Development
Our specialists around the globe provide the expertise and development resources to scale your IT products and achieve success.Was this helpful?
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$5,000+$50 - $99 / hrFreelancer
Services provided
10% Web Development10% Digital Strategy10% E-Commerce Development +710% Graphic Design10% Logo10% Mobile App Development10% Search Engine Optimization10% Social Media Marketing10% UX/UI Design10% Web DesignFocus Areas
10% JavaScript50% HTML540% jqueryDigital Strategy company Two of us agency was launched in 2024. Located in Hectorville, Australia, the team offers Digital Strategy and Social Media Marketing.
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UndisclosedUndisclosed50 - 249Budapest, Hungary
Services provided
25% Web Development30% Custom Software Development25% Mobile App Development +120% DevOps Managed ServicesFocus Areas
15% JavaScript20% PHP20% Python +315% C#15% C++15% JavaBluebird, a custom software development firm, is headquartered in Budapest, Hungary and Miami, Florida. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed50 - 249Ahmedabad, India
Services provided
20% Web Development20% Application Management & Support20% Blockchain +220% Custom Software Development20% E-Commerce DevelopmentFocus Areas
20% JavaScript40% HTML520% C++ +120% GoEstablished in 2012, Intelivita is a software development firm. The team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosedFreelancer
Services provided
30% Web Development30% Web Design20% Search Engine Optimization +120% UX/UI DesignFocus Areas
100% JavaScriptBased in Melbourne, Australia, Michael Ngo is a web design company. The team provides Web Design and Web Development.
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UndisclosedUndisclosedFreelancer
Services provided
30% Web Development50% Blockchain20% Custom Software DevelopmentFocus Areas
50% JavaScript50% TypescriptFounded in 2012, Adam Boudjemaa is a Blockchain company. The team specializes in Blockchain and Web Development.
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$5,000+$25 - $49 / hr2 - 9New York, NY
Services provided
20% Web Development20% E-Commerce Development20% Mobile App Development +320% Web Design10% Logo10% UX/UI DesignFocus Areas
10% JavaScript40% PHP20% AJAX +220% SQL10% ASP.NETDigitrillion is an e-commerce development firm established in 2000. The small team offers E-Commerce Development and Mobile App Development.
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$10,000+$100 - $149 / hr2 - 9New York, NY
Services provided
20% Web Development30% E-Commerce Development30% UX/UI Design +120% Web DesignFocus Areas
35% JavaScript50% PHP10% SQL +15% AJAXSee all 9 projectsPrototypical is a web development company specializing in custom website development, full-stack web development, and web application development. With a 100% positive feedback rate, clients consistently praise their exceptional communication, timely project delivery, and innovative design solutions. Prototypical is noted for its ability to transform complex ideas into compelling and user-friendly web experiences, making them a preferred partner for diverse industries.
Reviews mention Accessible
The sentiment regarding Prototypical's accessibility is overwhelmingly positive. Clients highlighted their consistent availability and responsiveness, noting that communication was seamless via meetings, phone calls, and emails. One client remarked on the ease of reaching out for quick answers, while another emphasized the clear updates and constant communication throughout the project. Overall, Prototypical is perceived as a dedicated partner that prioritizes accessibility, ensuring clients feel supported and engaged during the project lifecycle.-
Web Development for Private Investigation Firm
5.0 Apr 24, 2020As mentioned, Jonathan was available and responsive. We would have regular meetings, but if I thought of something off-hand, I could email or text him and always get a quick answer back.
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UX & Web Development for Shopify Project
5.0 Mar 27, 2020We were in constant communication throughout the project and the team was always accessible and easy to reach, whether by a quick phone call or email. At each checkpoint, Prototypical presented us with a clear update on progress made so far, points to discussions, actions items and next steps.
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Industry Experience
Prototypical has demonstrated strong expertise across several industries, including Beauty & Cosmetics, Fitness, Media, Public Safety, Business Services, Information Technology, and Hospitality & Leisure. Clients consistently praise their responsiveness, project management, and ability to translate complex ideas into user-friendly designs. The overall sentiment is highly positive, highlighting their capability to enhance e-commerce platforms, improve user experience, and drive business outcomes. Organizations seeking innovative web solutions, particularly in beauty and fitness, would find Prototypical a suitable partner.
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Beauty & Cosmetics Fitness Media Other Industry Business services Information technology Hospitality & leisureWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Prototypical is praised for providing excellent value for money, with clients noting that their pricing aligns well with budgets while delivering high-quality results. One client highlighted the 'good value for cost' and the company's ability to meet project goals efficiently. Another remarked on their commitment to not nickel-and-dime clients for revisions, ensuring transparency and satisfaction. Overall, the sentiment is overwhelmingly positive, with many clients expressing willingness to engage Prototypical for future projects due to their cost-effectiveness and quality of service.Was this helpful?
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$5,000+$25 - $49 / hr2 - 9
Services provided
30% Web Development40% Mobile App Development20% Custom Software Development +110% Product DesignFocus Areas
25% JavaScript25% Kotlin25% Other programming & scripting languages +125% SwiftSee all 4 projectsPotional is a web development company specializing in custom website development, web application development, and full-stack web development. The reviews highlight their proficiency in cutting-edge technologies like Node.js and Vue.js, with 100% positive feedback on project management and communication. Clients appreciate their technical knowledge, innovative solutions, and willingness to provide detailed answers to technical and business queries.
Reviews mention Easy to work with
Clients consistently praise Potional for being flexible and easy to work with. One client highlighted their impressive adaptability during development, noting that Potional provided valuable suggestions and solutions, enhancing the project significantly. The project management approach, including direct communication with the development team, was also commended, reinforcing the ease of collaboration. Overall, the sentiment reflects a strong appreciation for Potional's collaborative nature and responsiveness.-
Development for Food Ordering Applications
5.0 Jul 12, 2019Potional is very flexible and easy to work with. The product was refined during the development and they were really helpful with providing technology, functionality, and implementation suggestions. I was accustomed to having to think of everything myself and they really stepped up and delivered great advice.
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2 of 2 Web Development reviews are 5 stars$10,000 – $49,000 avg. project costRead 2 ReviewsWeb Development PROJECT HIGHLIGHT
Web Dev & Design for Marketing Company
5.0 — Potional has been developing and designing a marketing web app from the ground up. They’ve worked with a large portfolio of front- and backend technologies and introduced real-time data tracking Read moreWas this helpful?
Industry Experience
Potional has demonstrated expertise across multiple industries, including Transportation, Advertising & Marketing, Information Technology, and Business Services. Clients praised their technical knowledge and project management, highlighting strengths in mobile app development, custom software solutions, and e-commerce platforms. Overall sentiment is positive, with feedback emphasizing Potional's flexibility, effective communication, and ability to deliver high-quality results, making them well-suited for projects in these sectors.
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Transportation Advertising & marketing Information technology Business servicesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients generally express satisfaction with Potional's cost and value for money. Feedback highlights significant investments ranging from $11,000 to $100,000, with clients noting high-quality deliverables and effective project management. One CEO emphasized the superior quality of their new system compared to previous solutions, while another appreciated the flexibility and responsiveness of the team. Overall, clients perceive Potional as a valuable partner, offering good return on investment despite varying project sizes and complexities.Was this helpful?
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$5,000+$100 - $149 / hr2 - 9Albuquerque, NM
Services provided
25% Web Development25% Custom Software Development25% Mobile App Development +125% Web DesignFocus Areas
30% JavaScript35% PHP35% PythonDuke City Digital is a web design agency. Headquartered in Albuquerque, New Mexico, the company provides Web Design and Custom Software Development.
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$10,000+$150 - $199 / hr2 - 9Eckford, Scotland
Services provided
30% Web Development30% Web Design20% E-Commerce Development +120% Graphic DesignFocus Areas
25% JavaScript25% Other programming & scripting languages25% PHP +125% SQLKlave Technical Solutions is a web design agency launched in 2015. The company offers Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Chelsea, VT
Services provided
20% Web Development20% Advertising20% Branding +220% Direct Marketing20% Marketing StrategyFocus Areas
35% JavaScript30% Java20% Objective C +115% ReduxBarn Door Media is an Advertising company. Founded in 1999, the company is headquartered in Chelsea, Vermont. Their services include Advertising and Branding.
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UndisclosedUndisclosed2 - 9Madera, CA
Services provided
30% Web Development40% Search Engine Optimization30% Web DesignFocus Areas
25% JavaScript25% AJAX25% Other programming & scripting languages +125% PHPSMDS is a SEO company. In Madera, California, their team offers Search Engine Optimization and Web Design.
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UndisclosedUndisclosed2 - 9Bologna, Italy
Services provided
30% Web Development40% Web Design15% E-Commerce Development +115% Mobile App DevelopmentFocus Areas
25% JavaScript35% AJAX25% PHP +115% Other programming & scripting languagesTuttositiweb.com, a web design company, was founded in 2006. The team focuses on Web Design and Web Development.
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UndisclosedUndisclosed2 - 9Firenze, Italy
Services provided
30% Web Development25% Graphic Design25% Video Production +210% Logo10% Print DesignFocus Areas
25% JavaScript25% Other programming & scripting languages25% PHP +125% XMLWeb development company ExtremHex Firenze - Media Agency was launched in 2011. The team specializes in Web Development and Graphic Design.
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UndisclosedUndisclosed2 - 9Las Cruces, NM
Services provided
25% Web Development25% Branding25% E-Commerce Development +125% Search Engine OptimizationFocus Areas
30% JavaScript35% PHP35% PythonNexus Media Group, a branding agency, is in Las Cruces, New Mexico. Established in 2010, the team provides Branding and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Firenze, Italy
Services provided
30% Web Development40% Web Design15% Graphic Design +115% Search Engine OptimizationFocus Areas
25% JavaScript25% Other programming & scripting languages25% Visual Basic +125% XMLIn Firenze, Italy, Zumedia Web Agency is a web design agency. They provide Web Design and Web Development and were established in 2004.
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UndisclosedUndisclosed2 - 9München, Germany
Services provided
30% Web Development20% E-Commerce Development20% Search Engine Optimization +215% Conversion Optimization15% Pay Per ClickFocus Areas
25% JavaScript25% AJAX25% PHP +125% XMLIT Caps is a website development company. They are headquartered in München, Germany. Their team provides Web Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Lubbock, TX
Services provided
20% Web Development35% Mobile App Development30% IT Managed Services +115% Web DesignFocus Areas
35% JavaScript35% ASP.NET30% C#Caprock Custom Applications is a mobile app development company headquartered in Lubbock, Texas. They focus on Mobile App Development and IT managed services and were established in 2014.
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UndisclosedUndisclosed2 - 9Lubbock, TX
Services provided
20% Web Development35% Mobile App Development30% IT Managed Services +115% Web DesignFocus Areas
35% JavaScript35% ASP.NET30% C#Caprock is a small app development firm. Launched in 2014, the team focuses on Mobile App Development and IT managed services.
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UndisclosedUndisclosed2 - 9
Services provided
20% Web Development20% Branding20% Graphic Design +220% Logo20% Social Media MarketingFocus Areas
35% JavaScript35% PHP30% Other programming & scripting languagesStilldesign is a branding company. They are based in Budapest, Haiti, and their services include Branding and Graphic Design.
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UndisclosedUndisclosed2 - 9
Services provided
30% Web Development30% E-Commerce Development20% Search Engine Optimization +210% Branding10% Content MarketingFocus Areas
25% JavaScript50% HTML525% PHPWebRight is a web development company. They are based in. Their team specializes in Web Development and E-Commerce Development.
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UndisclosedUndisclosed2 - 9Ciudad de Guatemala, Guatemala
Services provided
30% Web Development30% Mobile App Development20% Digital Strategy +120% Search Engine OptimizationFocus Areas
25% JavaScript50% PHP25% RubyEstablished in 2015, Webres Studio is an app development firm. The small team focuses on Mobile App Development and Web Development.
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UndisclosedUndisclosed2 - 9Corvallis, OR
Services provided
20% Web Development30% Custom Software Development20% Advertising +310% Digital Strategy10% Search Engine Optimization10% Social Media MarketingFocus Areas
35% JavaScript35% PHP30% ColdFusionTanuki Interactive is a custom software development firm. Their team is headquartered in Corvallis, Oregon. The firm provides Custom Software Development and Advertising.
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UndisclosedUndisclosed2 - 9Madrid, Spain
Services provided
35% Web Development35% Blockchain Marketing20% Blockchain +110% Business ConsultingFocus Areas
20% JavaScript80% PythonUniverselle is a web development firm. The agency is based in Madrid, Spain. Their services include Web Development and Blockchain Marketing.
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UndisclosedUndisclosed2 - 9Chantilly, VA
Services provided
25% Web Development30% Mobile App Development20% Custom Software Development +215% Application Testing10% Low/No Code DevelopmentFocus Areas
30% JavaScript35% HTML535% JavaSoftware development company AccioTek Solutions, LLC. Provides Custom Software Development and Mobile App Development. They are located in Chantilly, Virginia.
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UndisclosedUndisclosed2 - 9Chorzów, Poland
Services provided
30% Web Development40% Custom Software Development10% BI & Big Data Consulting & SI +210% E-Commerce Development10% Mobile App DevelopmentFocus Areas
25% JavaScript50% PHP25% TypescriptDuckApp is a custom software development firm. Their small team of employees is located in Chorzów, Poland. Their team specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9
Services provided
30% Web Development25% E-Commerce Development25% Mobile App Development +120% Search Engine OptimizationFocus Areas
25% JavaScript50% PHP25% HTML5BETTAINNOVATION is a small Bialystok, Poland-based web development company. Their services include Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Leeds, England
Services provided
30% Web Development40% Custom Software Development30% Audio ProductionFocus Areas
25% JavaScript25% ASP.NET25% Go +125% PythonRJJ Software Ltd is a software development company. They are in Leeds, England, and their services include Custom Software Development and Web Development.
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$10,000+$100 - $149 / hr50 - 249Odesa, Ukraine
Services provided
23% Web Development20% Social Media Marketing17% Search Engine Optimization +410% Custom Software Development10% Low/No Code Development10% UX/UI Design10% Web DesignFocus Areas
15% JavaScript30% SQL25% PHP +220% HTML510% TypescriptSee all 6 projectsWonder Web Agency is a web development company specializing in Website Development and SEO optimization. They are praised for their competence and professionalism, with 100% of reviews mentioning effective project management and exceptional customer service. Clients highlight their ability to deliver tangible results, including increased conversion rates and improved Google rankings, although some noted the need for an improved design team.
3 of 4 Web Development reviews are 5 stars1 new review for Web Development in past 6 months$50,000 – $199,999 avg. project costRead 4 ReviewsWeb Development PROJECT HIGHLIGHT
Web Dev, SEO & SMM for Dental Center
5.0 — Wonder Web Agency developed a website for a dental center. They also provided SEO and social media marketing services. Read moreWas this helpful?
Industry Experience
Wonder Web Agency has demonstrated expertise across diverse industries, including Beauty & Cosmetics, eCommerce, Agriculture, Healthcare, and Legal. Clients consistently commend their responsiveness, professionalism, and ability to deliver measurable outcomes such as improved SEO rankings and increased conversion rates. Overall sentiment is highly positive, particularly in eCommerce and Healthcare, where the agency's innovative strategies significantly enhanced brand visibility and client acquisition.
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Beauty & Cosmetics eCommerce Agriculture Healthcare LegalWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently highlight Wonder Web Agency's competitive pricing and strong value for money. For instance, one CEO noted that their pricing fit the budget while also delivering excellent results, stating they received 'good value for cost.' Another client emphasized the agency's capability to exceed expectations within agreed budgets. Overall, the sentiment reflects satisfaction with the agency's pricing relative to the quality of service provided, with some clients suggesting minor adjustments to costs.Was this helpful?
$3,000 MVP website ideal for startups and small business $5,000 Best for established brands or brand refreshes $10,000 Best for market and industry leadersView PackagesFull-Cycle Development
Your web project deserves attention! We're a team of professionals ready to bring it to life from idea to launch! With us, you'll get a unique design, intuitive interface, and top performance. Full-cycle development - from concept to post-launch support. Entrust your idea to us and let it flourish online!Was this helpful?
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UndisclosedUndisclosed2 - 9Guadalajara, Mexico
Services provided
40% Web Development50% Digital Strategy10% AR/VR DevelopmentFocus Areas
13% JavaScript13% Apex13% Ember.js +513% Java13% Python13% Redux12% AJAX10% KotlinGeekCommerce is a Digital Strategy company. Founded in 2016, the team provides Digital Strategy and Web Development. The agency is located in Guadalajara, Mexico.
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UndisclosedUndisclosed2 - 9Bedworth near Coventry, England
Services provided
20% Web Development45% Social Media Marketing15% Public Relations +210% AR/VR Development10% Event ManagementFocus Areas
33% JavaScript34% AJAX33% Visual BasicNew Day Marketing Communications is a social media marketing agency. Established in 2017, the firm focuses on Social Media Marketing and Web Development.
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INDOCHINA INTEGRATED SOLUTION AND TECHNOLOGY JOINT STOCK COMPANY (IIST Joint Stock Co.)
Not yet reviewed
$10,000+< $25 / hr250 - 999Hanoi, VietnamServices provided
10% Web Development30% IT Staff Augmentation20% IoT Development +410% Blockchain10% Cloud Consulting & SI10% ERP Consulting and SI10% Mobile App DevelopmentFocus Areas
15% JavaScript40% Other programming & scripting languages15% C++ +215% Objective C15% PythonINDOCHINA INTEGRATED SOLUTION AND TECHNOLOGY JOINT STOCK COMPANY (IIST Joint Stock Co.) is a Hanoi, Vietnam-based IT staff augmentation company. They offer IT staff augmentation and IoT development.
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UndisclosedUndisclosed250 - 999
Services provided
15% Web Development15% Application Testing15% BI & Big Data Consulting & SI +415% DevOps Managed Services15% IT Strategy Consulting15% Mobile App Development10% IT Managed ServicesFocus Areas
10% JavaScript10% C10% C# +710% C++10% Java10% PHP10% Python10% Redux10% Typescript10% backbone.jsCapitole is an IT strategy consulting company. Their team is located in and focuses on IT strategy consulting and BI & big data consulting & SI.
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$5,000+$50 - $99 / hr10 - 49Marina del Rey, CA
Services provided
25% Web Development25% AI Development25% Mobile App Development +215% Custom Software Development10% Low/No Code DevelopmentFocus Areas
20% JavaScript20% HTML520% Kotlin +220% PHP20% SwiftSee all 10 projectsBee Techy is a versatile web development company specializing in custom website development and web application development. Across their reviews, they consistently receive positive feedback for their technical expertise, effective project management, and strong communication skills, with 100% of reviewers highlighting their impressive performance and responsiveness. Their comprehensive service offerings include full-stack web development, ensuring solutions are user-friendly and scalable.
Reviews mention Knowledgeable
Clients consistently highlight Bee Techy's impressive technical knowledge and expertise, particularly in web development and AWS deployment. One CEO noted their extensive understanding of the MERN stack and praised their project management and communication skills. The alignment of company values and high ratings further reinforce the positive sentiment regarding Bee Techy's capabilities, with no significant areas for improvement identified by clients.-
Web Application & API Development for Software Company
5.0 Feb 19, 2024The company's tech knowledge, project management, and communication were impressive.
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5 of 5 Web Development reviews are 5 stars$10,000 – $49,000 avg. project costRead 5 ReviewsWeb Development PROJECT HIGHLIGHT
Custom WordPress Website for Marketing Agency
5.0 — Bee Techy has helped a marketing agency develop a customized WordPress website from the ground up. They've also taught the client how to make user-friendly edits to the site. Read moreWas this helpful?
Industry Experience
Bee Techy has received positive feedback across several industries, including Software, Supply Chain, eCommerce, Real Estate, and Advertising & Marketing. Clients commend their technical expertise, effective project management, and timely communication. In Software, they excelled in web and application development, while in eCommerce, they enhanced online presence and conversion rates. Their work in Real Estate streamlined booking processes, and in Supply Chain, they delivered quality custom software. Overall, sentiment is highly favorable, indicating strong alignment for clients in these sectors.
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Software Supply Chain, Logistics, and Transport eCommerce Real estate Advertising & marketingWas this helpful?
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$5,000+< $25 / hr10 - 49Cebu City, Philippines
Services provided
15% Web Development40% IT Staff Augmentation15% Custom Software Development +215% Mobile App Development15% UX/UI DesignFocus Areas
30% JavaScript20% Python15% Swift +315% Typescript10% Kotlin10% PHPSee all 6 projectsStartechup is a full-stack web development company that excels in creating custom website and mobile applications for various platforms. The reviews highlight their exceptional professionalism, effective communication, and ability to meet deadlines without compromising quality. The company received overwhelmingly positive feedback, with an emphasis on their dedication to delivering high-quality solutions and maintaining clear client communication.
Reviews mention Accessible
Client feedback highlights Startechup's strong accessibility and communication, with project managers and top management consistently available for discussions. One client noted, "Management... are always available for communication," emphasizing the team's responsiveness. Additionally, the direct contact between the development team and the client's staff facilitated effective collaboration, ensuring timely project delivery. Overall, the sentiment regarding accessibility is highly positive, reflecting a commitment to open communication and client engagement.-
Custom App Design & Dev for IT Engineering Company
5.0 Jul 29, 2022Management (top management and project managers) are always available for communication. The development team is in direct contact with our team, and they are very responsible. We use agile methodology, project management tools and real-time channels.
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0 of 1 JavaScript reviews is 5 stars$50,000 – $199,999 avg. project costJavaScript Experience
Startechup has received overwhelmingly positive feedback for their JavaScript services, with clients praising their reliable communication, effective project management, and strong technical expertise in NodeJS and VueJS. Notably, one client highlighted that their application serves tens of thousands of users globally, showcasing the impact of Startechup's contributions. All reviews expressed satisfaction, with 100% noting excellent team retention and enthusiasm for technology, reinforcing their strengths in delivering valuable and scalable solutions.
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1 of 1 Web Development reviews are 5 starsLess than $10,000 avg. project costRead 1 ReviewWeb Development PROJECT HIGHLIGHT
Site & Mobile App Dev for Professional Conference Organizers
5.0 — Startechup initially built a site and mobile app for a professional conference organizer in 2015. They were hired again to refine the site on WordPress, the Android app using Java, and the iOS app Read moreWas this helpful?
Industry Experience
Startechup has received positive feedback across various industries, including healthcare, IT services, software, and business services. Clients praised their expertise in developing mobile applications, particularly in event management and SaaS solutions, noting their strong project management, responsiveness, and reasonable pricing. The overall sentiment indicates a high level of satisfaction, with clients appreciating Startechup's innovative approach and ability to deliver high-quality solutions tailored to their specific needs. This makes them a suitable partner for projects in event management, software development, and e-commerce.
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Other Industry Software IT Services Business services HealthcareWas this helpful?
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$50,000+$25 - $49 / hr10 - 49
Services provided
20% Web Development20% Mobile App Development15% Custom Software Development +815% UX/UI Design10% Low/No Code Development5% AI Development5% Sales Outsourcing3% Business Consulting3% Marketing Strategy2% Application Testing2% Other Application DevelopmentFocus Areas
25% JavaScript30% Python15% PHP +410% C#10% Typescript5% Other programming & scripting languages5% ReduxSee all 3 projectsPlantech Industries is a web development company praised for its expertise in custom website and web application development. They have received overwhelmingly positive feedback, with clients highlighting their innovation, agility, and commitment to timelines. The company excels in project management and communication, although a more structured feedback loop could enhance responsiveness. Overall, they are a transformative partner, blending technical expertise with human-centric values.
Reviews mention Exceptional performance
Clients express exceptional satisfaction with Plantech Industries, highlighting their professionalism, timely delivery, and innovative approach. One client noted their 'impeccable' commitment to timelines and praised the team's responsiveness and adaptability, ensuring alignment throughout the project. The collaboration was described as transformative, with a focus on building a shared vision rather than merely completing tasks. Minor areas for improvement were acknowledged, but overall, the sentiment reflects a strong endorsement of Plantech's capabilities and contributions.-
Platform Dev & Marketing for Digital Business Cards Firm
5.0 Aug 2, 2023Plantech Industries' project management approach was really a cornerstone of our collaboration in building Wave Connect. Their professionalism, efficiency, and adaptability were evident throughout the project. Their commitment to timelines was impeccable. They meticulously planned each phase of the project, setting clear milestones and deadlines. Their ability to deliver items on time was consistent across all aspects, including product development, marketing campaigns, financial planning, and investor outreach.
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1 of 1 Web Development reviews are 5 stars$200,000 – $999,999 avg. project costRead 1 ReviewWeb Development PROJECT HIGHLIGHT
Platform Dev & Marketing for Digital Business Cards Firm
5.0 — A digital business cards firm hired Plantech Industries to develop their platform. The team also created comprehensive financial, sales, and marketing strategies and helped the client with investor Read moreWas this helpful?
Industry Experience
Plantech Industries has demonstrated strong expertise in Information Technology and Advertising & Marketing. Clients in IT praised their innovative product development and organizational support, resulting in successful launches and user growth. In the advertising sector, they received accolades for optimizing website functionality, enhancing user engagement, and delivering projects on time. Overall, feedback highlights their commitment to quality, effective communication, and a collaborative approach, making them a solid choice for clients in both technology-driven and marketing-focused industries.
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Information technology Advertising & marketingWas this helpful?
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$5,000+$100 - $149 / hr10 - 49San Diego, CA
Services provided
20% Web Development20% Search Engine Optimization20% Web Design +410% Email Marketing10% Logo10% Pay Per Click10% Social Media MarketingFocus Areas
25% JavaScript50% Other programming & scripting languages25% PHPLaunched in 1999, Ninthlink is a small San Diego, California-based SEO agency. Their team focuses on Search Engine Optimization and Web Design.
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UndisclosedUndisclosed10 - 49Charlottetown, Canada
Services provided
20% Web Development20% CRM Consulting and SI20% Custom Software Development +220% ERP Consulting and SI20% IT Strategy ConsultingFocus Areas
25% JavaScript25% Java25% Other programming & scripting languages +125% XMLThinking Big Information Technology Inc. Is a software development company headquartered in Charlottetown, Canada. The team specializes in Custom Software Development and CRM consulting and SI.
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UndisclosedUndisclosed10 - 49Montréal, Canada
Services provided
25% Web Development25% Custom Software Development25% E-Commerce Development +125% Mobile App DevelopmentFocus Areas
20% JavaScript20% Java20% PHP +410% C#10% C++10% Objective C10% PythonReactorbits is a small software development firm. They focus on Custom Software Development and E-Commerce Development and were launched in 2015.
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UndisclosedUndisclosed10 - 49Olathe, KS
Services provided
15% Web Development15% Email Marketing15% Marketing Strategy +415% Pay Per Click15% Public Relations15% Search Engine Optimization10% Conversion OptimizationFocus Areas
30% JavaScript35% PHP35% PythonConverg Media is an Email Marketing company. They provide Email Marketing and Marketing Strategy and were established in 2003. The agency is in Olathe, Kansas.
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UndisclosedUndisclosed10 - 49Sioux Falls, SD
Services provided
25% Web Development25% Custom Software Development25% Print Design +125% Web DesignFocus Areas
20% JavaScript20% ColdFusion20% XML +410% AJAX10% ASP10% ASP.NET10% PHPEstablished in 2002, Page Technology Group is a custom software development company. The small team offers Custom Software Development and Print Design.
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UndisclosedUndisclosed10 - 49Brasília, Brazil
Services provided
20% Web Development20% Advertising20% Branding +220% Social Media Marketing20% Video ProductionFocus Areas
25% JavaScript25% Java25% PHP +125% SQLAgência Gaas Ideias is an Advertising company. They are in Brasília, Brazil, and their services include Advertising and Branding.
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UndisclosedUndisclosed10 - 49München, Germany
Services provided
20% Web Development30% Web Design20% UX/UI Design +215% Graphic Design15% LogoFocus Areas
25% JavaScript25% Ember.js25% PHP +125% XMLXION WEBDESIGN, a web design company, specialize in Web Design and UX/UI Design. They were founded in 2002.
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UndisclosedUndisclosed10 - 49Ruddington, England
Services provided
20% Web Development70% Branding10% AR/VR DevelopmentFocus Areas
25% JavaScript25% ASP.NET25% Java +125% PythonWigWag is a branding company. The Ruddington, England-based company was established in 2002. Their team focuses on Branding and Web Development.
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UndisclosedUndisclosed10 - 49Caracas, Venezuela
Services provided
20% Web Development20% Branding20% Mobile App Development +220% Social Media Marketing20% Web DesignFocus Areas
25% JavaScript35% PHP25% Java +115% RubySocial H4ck, a branding agency, was established in 2012. The team offers Branding and Mobile App Development.
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UndisclosedUndisclosed10 - 49Providencia, Chile
Services provided
20% Web Development20% Corporate Photography20% E-Commerce Development +320% Email Marketing10% Search Engine Optimization10% Social Media MarketingFocus Areas
25% JavaScript50% PHP25% PythonAdwise Chile is a Corporate Photography company. The team is headquartered in Providencia, Chile, and their services include Corporate Photography and E-Commerce Development.
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UndisclosedUndisclosed10 - 49Ciudad de Guatemala, Guatemala
Services provided
20% Web Development20% E-Commerce Development20% IT Managed Services +320% Mobile App Development15% Digital Strategy5% Graphic DesignFocus Areas
25% JavaScript50% PHP25% PythonMercado Empresarial is an e-commerce development firm. Launched in 2004, the team provides E-Commerce Development and IT managed services. The firm is located in Ciudad de Guatemala, Guatemala.
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UndisclosedUndisclosed10 - 49Sioux Falls, SD
Services provided
15% Web Development25% Web Design15% CRM Consulting and SI +415% Mobile App Development10% Cloud Consulting & SI10% Cybersecurity10% IT Managed ServicesFocus Areas
30% JavaScript30% PHP20% C++ +120% SQLAllStar Technology is a web design agency. Their small team is located in Sioux Falls, South Dakota. Their services include Web Design and CRM consulting and SI.
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UndisclosedUndisclosed10 - 49Albuquerque, NM
Services provided
20% Web Development30% IT Managed Services20% IT Strategy Consulting +310% AR/VR Development10% Custom Software Development10% Low/No Code DevelopmentFocus Areas
25% JavaScript25% AJAX25% SQL +125% SwiftITEAM Consulting is an IT managed services company. Based in Albuquerque, New Mexico, the team offers IT managed services and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Innsbruck, Austria
Services provided
15% Web Development15% E-Commerce Development15% Graphic Design +415% Search Engine Optimization15% Social Media Marketing15% Web Design10% BrandingFocus Areas
30% JavaScript40% PHP30% JavaHeadquartered in Innsbruck, Austria, Colorphyll is a small social media marketing company. The team provides Social Media Marketing and Search Engine Optimization.
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We evaluate service providers using a structured methodology that combines:
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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Rollover to see company insights or click a company below for more details.
A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.
By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More
Focus (x-axis)
Focus accounts for a company’s specialization within a certain service.
Ability to Deliver (y-axis)
Ability to Deliver considers three criteria:
- Client feedback and reviews
- Work experience and previous projects
- Market presence and reputation in the industry
List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development75% JavaScript50% 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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$1,000+< $25 / hr250 - 999Boston, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Get matched with the 5 best-fit agencies for your project—in 4 minutes or less.