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Top JavaScript Developers

JavaScript powers everything from interactive websites to complex enterprise applications. Partnering with an experienced JavaScript development agency ensures your product is fast, secure, and ready to scale. Clutch makes it easy to find trusted providers by publishing in-depth, verified client reviews and transparent performance data. Use our filters to sort agencies by budget, location, framework expertise, and more. Looking for regional specialists? Browse firms in the United States, United Kingdom, or Canada to compare portfolios and pricing in your market. Start exploring today and shortlist partners that align with your goals.
Ratings Updated: February 6, 2026
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15 Leaders 15 Contenders

21,630 Companies

Programming & Scripting: JavaScript

List of the Top JavaScript Development Companies

  • Featured

    What are Featured Providers?

    Digis, a Fiverr company (NYSE: FVRR) Logotype

    Digis, a Fiverr company (NYSE: FVRR)

    4.9 88 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    50% Web Development
    50% Custom Software Development

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% C# +7
    10% Java
    10% PHP
    10% Python
    10% Rust
    10% SQL
    10% Scala
    10% Swift

    Digis, 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.

    See all 88 projects
    6 of 6 reviews are 5 stars
    1 new review for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 6 times in the past 6 months

    Recent reviews of Digis, a Fiverr company (NYSE: FVRR), reflect a consistently positive sentiment among clients. Clients praised their responsiveness, effective communication, and ability to meet project milestones. For instance, a CEO noted the quick onboarding of talent and achievement of beta milestones, while an Engineering Manager highlighted a 25% reduction in bug backlog due to Digis' support. Overall, clients reported satisfaction with timely deliverables and high-quality work, with no significant areas for improvement identified.
    Read 6 Recent Reviews
    16 of 22 Web Development reviews are 5 stars
    1 new review for Web Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Hosting Platform Development for Advertising & Marketing Co

    4.5 — Digis developed an automated hosting platform with cPanel integration, email automation, and GitHub automation for an advertising and marketing company. Read more
    Read 22 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (24) $50,000 to $199,999 (16) Less than $10,000 (8) $200,000 to $999,999 (6) $1,000,000 to $9,999,999 (4)

    What Clients Have Said

    Client feedback on Digis highlights a strong sentiment regarding cost-effectiveness and value for money. Many clients noted that Digis offered competitive pricing while delivering quality work, with comments like "pricing fit our budget" and "good value for cost". Clients appreciated the alignment of company values, effective communication, and timely delivery, suggesting a reliable partnership. Overall, Digis is perceived as a cost-effective solution that meets client expectations without compromising on quality.
    Read All Reviews

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    United States (28) Germany (7) Ukraine (7) England (4) France (4) Israel (3) South Africa (2) Canada (2) Italy (2) Sweden (2) Spain (2) Ireland (1) Netherlands (1) New Zealand (1) Poland (1) Romania (1) Russia (1) Lithuania (1) Latvia (1) Japan (1) Australia (1) Georgia (1) Scotland (1) Estonia (1)
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  • Portobyte Logotype

    Not yet reviewed

    Undisclosed
    $200 - $300 / hr
    Freelancer
    Zagreb, Croatia

    Services provided

    20% Web Development
    30% Enterprise App Modernization
    10% Custom Software Development +4
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% Other Application Development
    10% Other IT Consulting and SI

    Focus Areas

    10% JavaScript
    50% Java
    20% Kotlin +1
    20% SQL

    Web development firm Portobyte was launched in 2022. The team offers Web Development and Enterprise App Modernization.

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  • Kevnit Information Technology Company Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Bengaluru, India

    Services provided

    10% Web Development
    10% AI Consulting
    10% AI Development +7
    10% Application Management & Support
    10% Blockchain
    10% Custom Software Development
    10% E-Commerce Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    10% JavaScript
    10% AJAX
    10% HTML5 +10
    10% Objective C
    10% Other programming & scripting languages
    10% Python
    10% Typescript
    5% C
    5% C++
    5% PHP
    5% SQL
    5% Swift
    5% jquery

    Kevnit Information Technology Company, a SEO services firm, is in Bengaluru, India. The team focuses on Search Engine Optimization and Web Design.

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  • CodeFruits LLC Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    50 - 249
    Bethpage, NY

    Services provided

    10% Web Development
    10% AI Development
    10% AR/VR Development +7
    10% Application Testing
    10% Blockchain
    10% Custom Software Development
    10% IoT Development
    10% Mobile App Development
    10% UX/UI Design
    10% Wearable App Development

    Focus Areas

    11% JavaScript
    11% HTML5
    11% Java +7
    11% Kotlin
    11% PHP
    11% Python
    11% SQL
    11% Swift
    6% Typescript
    6% jquery

    CodeFruits LLC is an user experience agency in Bethpage, New York and Chandigarh, India. The team provides UX/UI Design and Custom Software Development.

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  • Cloud Software Solution Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Bengaluru, India

    Services provided

    10% Web Development
    10% Custom Software Development
    10% E-Commerce Development +7
    10% IoT Development
    10% Low/No Code Development
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    13% JavaScript
    13% ASP.NET
    13% Apex +5
    13% C++
    13% Java
    13% PHP
    12% Elixir
    10% SQL

    Cloud Software Solution is a web design company. The Bengaluru, India-based team provides Web Design and Social Media Marketing.

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  • Srglopix Logotype

    Srglopix

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    10% Web Development
    20% Logo
    10% Branding +6
    10% Digital Strategy
    10% Graphic Design
    10% Packaging Design
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    13% JavaScript
    13% PHP
    13% Ruby +5
    13% SQL
    13% Swift
    13% Visual Basic
    12% Kotlin
    10% Objective C

    Srglopix, a Logo company, was launched in 2023. They focuses on Logo and Branding.

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  • Nasha Tech Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    Ulaanbaatar, Mongolia

    Services provided

    10% Web Development
    20% AI Development
    20% Data Annotation Services +5
    10% AR/VR Development
    10% Custom Software Development
    10% Generative AI
    10% Low/No Code Development
    10% Mobile App Development

    Focus Areas

    13% JavaScript
    13% AJAX
    13% Ember.js +5
    13% Python
    13% Redux
    13% Visual Basic
    12% Kotlin
    10% Objective C

    Nasha Tech is a small website development company established in 2018. Their team provides Web Development and Artificial Intelligence.

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    More responsive than most other service providers

    Nasha Tech is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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  • Elite IT Team Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49
    Altrincham, England

    Services provided

    10% Web Development
    15% Cybersecurity
    15% IT Strategy Consulting +5
    15% Mobile App Development
    15% Search Engine Optimization
    10% AR/VR Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    13% JavaScript
    25% Python
    13% AJAX +4
    13% PHP
    13% SQL
    13% Swift
    10% Kotlin

    Elite IT Team is an Altrincham, England-based SEO agency. They offer Search Engine Optimization and Web Design.

    Read more
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  • Icetea Software Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    50 - 249
    Ha Noi, Vietnam

    Services provided

    10% Web Development
    35% Blockchain
    15% E-Commerce Development +6
    13% Low/No Code Development
    10% AR/VR Development
    10% Custom Software Development
    5% Microservices Architecture Services
    1% Mobile App Development
    1% Other Application Development

    Focus Areas

    16% JavaScript
    21% Java
    11% Go +8
    11% Python
    11% Typescript
    5% ASP.NET
    5% C#
    5% C++
    5% Kotlin
    5% PHP
    5% Scala

    Icetea Software is a Blockchain company. The Ha Noi, Vietnam-based agency was established in 2017. Their services include Blockchain and E-Commerce Development.

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  • BaariSoft Logotype

    BaariSoft

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Application Testing +7
    10% Custom Software Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% IoT Development
    10% Mobile App Development
    10% Other Application Development
    10% Wearable App Development

    Focus Areas

    16% JavaScript
    16% PHP
    11% ASP +10
    11% C#
    6% Kotlin
    5% AJAX
    5% ASP.NET
    5% Java
    5% Objective C
    5% Redux
    5% Ruby
    5% SQL
    5% Swift

    Custom software development firm BaariSoft was established in 2015. Headquartered in Rawalpindi, Pakistan, the team provides Custom Software Development and Enterprise App Modernization.

    Read more
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  • Sunset Road Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Sri Lanka, Sri Lanka

    Services provided

    10% Web Development
    15% E-Commerce Development
    15% Graphic Design +5
    15% Social Media Marketing
    15% Video Production
    10% AI Development
    10% AR/VR Development
    10% Mobile App Development

    Focus Areas

    16% JavaScript
    26% Other programming & scripting languages
    11% C# +6
    11% PHP
    11% Typescript
    10% SQL
    5% Ember.js
    5% Ruby
    5% UnrealScript

    Launched in 2022, Sunset Road is a social media marketing company. The team provides Social Media Marketing and Graphic Design and is based in Sri Lanka, Sri Lanka and Colombo, Sri Lanka.

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  • Neuserv Logotype

    Neuserv

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9

    Services provided

    20% Web Development
    40% Custom Software Development
    20% Application Management & Support +1
    20% Enterprise App Modernization

    Focus Areas

    10% JavaScript
    50% Java
    20% SQL +2
    10% Other programming & scripting languages
    10% XML

    Launched in 2008, Neuserv is a software development firm. The team offers Custom Software Development and Enterprise App Modernization.

    Read more
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  • iDMK sp. z o.o. Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Wolsztyn, Poland

    Services provided

    20% Web Development
    50% Custom Software Development
    10% Accounting +2
    10% Application Testing
    10% Mobile App Development

    Focus Areas

    10% JavaScript
    40% C#
    20% SQL +3
    10% C++
    10% PHP
    10% XML

    IDMK sp. Z o.o. Is a software development firm. They are in Wolsztyn, Poland. Their team focuses on Custom Software Development and Web Development.

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  • Atom Digital Services Logotype

    Atom Digital Services

    5.0 1 review
    $1,000+
    $50 - $99 / hr
    2 - 9

    Services provided

    10% Web Development
    30% Search Engine Optimization
    30% Web Design +2
    20% Branding
    10% AR/VR Development

    Focus Areas

    11% JavaScript
    12% Kotlin
    11% Ember.js +6
    11% Objective C
    11% Other programming & scripting languages
    11% PHP
    11% Python
    11% Redux
    11% Visual Basic

    Atom Digital Services offers website design with additional benefits like free hosting and domain services. Client reviews highlight their professionalism, creativity, and effective communication. Positive feedback includes timely project completion and value-added services, enhancing the client's professional image without any noted areas for improvement.

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  • Arilan Media Logotype

    4.5 1 review
    $1,000+
    < $25 / hr
    2 - 9
    Nairobi, Kenya

    Services provided

    10% Web Development
    20% Search Engine Optimization
    20% Social Media Marketing +3
    20% Web Design
    15% Pay Per Click
    15% Video Marketing

    Focus Areas

    11% JavaScript
    12% PHP
    11% Ember.js +6
    11% Other programming & scripting languages
    11% Python
    11% Redux
    11% Ruby
    11% Swift
    11% Visual Basic

    Arilan Media specializes in Website Development and Web Design, providing online development solutions tailored to clients' needs. Feedback highlights their effective project management, excellent customer service, and the positive impact of their lead generation campaigns. Clients found Arilan Media to deliver valuable and responsive web solutions that significantly enhanced business performance.

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  • Magnifique Technologies Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Ahmedabad, India

    Services provided

    10% Web Development
    20% AI Development
    20% Mobile App Development +4
    20% UX/UI Design
    10% AR/VR Development
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    11% JavaScript
    44% Other programming & scripting languages
    22% PHP +2
    12% SQL
    11% Typescript

    Magnifique Technologies , an UX agency, was founded in 2020. The firm provides UX/UI Design and Web Development.

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  • Hercules IT Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    10 - 49
    Trondheim, Norway

    Services provided

    15% Web Development
    40% Custom Software Development
    15% Application Management & Support +3
    15% E-Commerce Development
    10% IT Strategy Consulting
    5% Cybersecurity

    Focus Areas

    16% JavaScript
    25% Go
    16% C# +3
    16% Python
    16% Typescript
    11% PHP

    Hercules IT is a Trondheim, Norway-based software development firm. They provide Custom Software Development and Web Development.

    Read more
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  • Techpotam Logotype

    Techpotam

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49

    Services provided

    15% Web Development
    15% Low/No Code Development
    10% AR/VR Development +6
    10% Custom Software Development
    10% Digital Strategy
    10% Mobile App Development
    10% Other Digital Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    16% JavaScript
    11% Typescript
    8% Kotlin +13
    5% AJAX
    5% ASP.NET
    5% Go
    5% HTML5
    5% Java
    5% Objective C
    5% PHP
    5% Python
    5% Redux
    5% Ruby
    5% SQL
    5% Swift
    5% Visual Basic

    Techpotam, a web development firm, was launched in 2022. The company provides Web Development and Custom Software Development, and is small.

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  • crocuszone Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    10 - 49
    New York, NY

    Services provided

    10% Web Development
    15% Low/No Code Development
    15% Mobile App Development +9
    10% AR/VR Development
    10% Custom Software Development
    10% Web Design
    5% AI Development
    5% API Development
    5% Application Management & Support
    5% E-Commerce Development
    5% IT Managed Services
    5% Other Application Development

    Focus Areas

    21% JavaScript
    16% Java
    11% Redux +9
    11% Ruby
    6% Kotlin
    5% ASP.NET
    5% C++
    5% PHP
    5% Python
    5% SQL
    5% Visual Basic
    5% jquery

    Crocuszone is a custom software development firm established in 2020. Headquartered in Lahore, Pakistan and New York, New York, the team offers Custom Software Development and Web Design.

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  • Unaire Sync IT Solutions Pvt. Ltd. Logotype

    Unaire Sync IT Solutions Pvt. Ltd.

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49

    Services provided

    10% Web Development
    10% API Development
    10% Application Management & Support +7
    10% Application Testing
    10% Custom Software Development
    10% E-Commerce Development
    10% Enterprise App Modernization
    10% Mobile App Development
    10% Other Application Development
    10% UX/UI Design

    Focus Areas

    21% JavaScript
    11% Other programming & scripting languages
    11% PHP +8
    11% Python
    11% SQL
    11% XML
    5% Apex
    5% HTML5
    5% Redux
    5% Swift
    4% AJAX

    Launched in 2023, Unaire Sync IT Solutions Pvt. Ltd. Is an UX design agency. The small team offers UX/UI Design and Custom Software Development.

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  • Enhance New Media Logotype

    Enhance New Media

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    Freelancer

    Services provided

    18% Web Development
    28% Digital Strategy
    19% Pay Per Click +3
    19% Search Engine Optimization
    8% Social Media Marketing
    8% Web Design

    Focus Areas

    20% JavaScript
    30% PHP
    30% SQL +1
    20% XML

    Enhance New Media is a Digital Strategy company. They are based in Andover, England, and their services include Digital Strategy and Search Engine Optimization.

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  • Pinakii Digital Marketing Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Ghaziabad, India

    Services provided

    10% Web Development
    10% Branding
    10% Content Marketing +7
    10% Email Marketing
    10% Graphic Design
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    25% JavaScript
    25% HTML5
    25% Other programming & scripting languages +1
    25% PHP

    Pinakii Digital Marketing is a Ghaziabad, India-based branding agency. They provide Branding and Social Media Marketing.

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  • Involve Logotype

    Involve

    Not yet reviewed

    $25,000+
    $50 - $99 / hr
    10 - 49

    Services provided

    10% Web Development
    20% E-Commerce Development
    15% Custom Software Development +8
    15% IT Staff Augmentation
    10% UX/UI Design
    5% Application Testing
    5% Graphic Design
    5% Mobile App Development
    5% Pay Per Click
    5% Social Media Marketing
    5% Web Design

    Focus Areas

    20% JavaScript
    40% PHP
    20% SQL +3
    10% Java
    5% Kotlin
    5% Python

    Involve is a small e-commerce development company located in Skopje, North Macedonia and Sheridan, Wyoming. The team specializes in E-Commerce Development and IT staff augmentation.

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  • PC Klinika Zagreb Logotype

    5.0 1 review
    Undisclosed
    < $25 / hr
    2 - 9
    Zagreb, Croatia

    Services provided

    20% Web Development
    20% IT Managed Services
    20% IT Strategy Consulting +2
    20% Low/No Code Development
    20% Other IT Consulting and SI

    Focus Areas

    10% JavaScript
    50% HTML5
    30% Other programming & scripting languages +1
    10% XML

    , Potrebna Vam je zamjena diska ili nadogradnja memorije? Trebate izradu  ili želite ugovoriti za tvrtku? Iz ponude izdvajamo: na terenu i i drugih

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    $150 Za privatne korisnike, obrte i manje tvrtke. $0 / $0 /

    Izrada web stranice + free hosting

    Povoljna izrada web stranice koja će predstavljati Vaš poslovni brend, portfolio, životopis ili usluge Vaše tvrtke. Osim moderne i responzivne internet stranice, osigurali smo besplatan SSL certifikat za sigurnu HTTPS vezu, profesionalnu mail adresu, osnovni 'on-page' SEO i besplatan hosting na godinu dana. https://pcklinika.eu/
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  • Pixel WebCare Logotype

    Pixel WebCare

    5.0 1 review
    $5,000+
    $50 - $99 / hr
    2 - 9

    Services provided

    15% Web Development
    15% Content Marketing
    15% Email Marketing +4
    15% Pay Per Click
    15% Search Engine Optimization
    15% Social Media Marketing
    10% E-Commerce Development

    Focus Areas

    15% JavaScript
    30% PHP
    30% SQL +3
    15% ASP.NET
    5% HTML5
    5% jquery

    Pixel WebCare specializes in e-commerce website development, delivering projects with precision and sincerity. The reviews highlight their effective project management, timely delivery, and responsive communication. Clients appreciate the company's dedication to achieving desired outcomes and consider their services a good value for the cost.

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  • Arktic Studio Logotype

    5.0 1 review
    Undisclosed
    $50 - $99 / hr
    2 - 9
    Højbjerg, Denmark

    Services provided

    10% Web Development
    25% E-Commerce Development
    20% Conversion Optimization +5
    19% Low/No Code Development
    10% UX/UI Design
    10% Web Design
    5% Digital Strategy
    1% Custom Software Development

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Java +4
    15% jquery
    10% Python
    10% Ruby
    5% PHP

    Arktic Studio specializes in Web Development, Web Design, and Online Development, providing services such as domain management and Shopify integration. Reviews highlight their exceptional communication, timely project delivery, and the high value of their services, making Arktic Studio a favorable choice for web programming needs.

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  • Tech and Limon Logotype

    5.0 1 review
    Undisclosed
    $50 - $99 / hr
    2 - 9
    Las Vegas, NV

    Services provided

    10% Web Development
    10% Cloud Consulting & SI
    10% Computer Engineering +7
    10% Custom Software Development
    10% E-Commerce Development
    10% Microservices Architecture Services
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Ruby +2
    20% SQL
    20% Typescript

    Tech and Limon specializes in Website Development and Web Design, providing tailored solutions that enhance online presence and generate leads. Reviews highlight the company's ability to deliver fast-loading, effective websites that meet client requirements. Clients appreciate their responsiveness and budget-friendly services, although they suggest enhancements in project management tools for improved transparency.

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  • EPixel Solution Logotype

    5.0 1 review
    $5,000+
    < $25 / hr
    2 - 9
    Skopje, North Macedonia

    Services provided

    20% Web Development
    20% Mobile App Development
    15% AI Development +8
    10% IT Staff Augmentation
    5% AI Agents
    5% Cloud Consulting & SI
    5% Cybersecurity
    5% DevOps Managed Services
    5% E-Commerce Development
    5% IT Managed Services
    5% IoT Development

    Focus Areas

    10% JavaScript
    20% Swift
    20% Typescript +5
    10% Kotlin
    10% Objective C
    10% Python
    10% Redux
    10% SQL

    REH SOLUCION DOOEL provides comprehensive software development services, including mobile and desktop applications, with expertise in projects such as healthcare and wearable technology applications. Their reviews highlight exceptional project management skills and effective communication, ensuring high-quality and timely project delivery. The company is praised for its professionalism, expertise, and alignment with client values.

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  • D-Consult Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    Sofia, Bulgaria

    Services provided

    10% Web Development
    60% Custom Software Development
    30% Mobile App Development

    Focus Areas

    20% JavaScript
    20% Java
    20% PHP +4
    20% Ruby
    10% C#
    5% ASP.NET
    5% SQL

    D-Consult is a small custom software development firm. Established in 2012, the team offers Custom Software Development and Mobile App Development.

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  • HariOm Technologies Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    Bhopal, India

    Services provided

    20% Web Development
    40% Mobile App Development
    20% Custom Software Development +1
    20% E-Commerce Development

    Focus Areas

    10% JavaScript
    40% Java
    40% PHP +1
    10% AJAX

    HariOm Technologies is a mobile app development firm in Bhopal, India. They focus on Mobile App Development and Custom Software Development and were founded in 2008.

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  • KREATIVEE Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Tazlău, Romania

    Services provided

    20% Web Development
    25% Branding
    20% Content Marketing +3
    20% Social Media Marketing
    10% Graphic Design
    5% Other Marketing

    Focus Areas

    10% JavaScript
    40% PHP
    20% Java +2
    20% Swift
    10% SQL

    KREATIVEE is a branding firm. Their small team of employees is headquartered in Tazlău, Romania. Their team specializes in Branding and Social Media Marketing.

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  • Ethos Technologies Logotype

    Ethos Technologies

    Not yet reviewed

    $10,000+
    $200 - $300 / hr
    2 - 9

    Services provided

    10% Web Development
    20% Custom Software Development
    10% AI Development +9
    10% Blockchain
    10% IT Strategy Consulting
    10% Mobile App Development
    5% BI & Big Data Consulting & SI
    5% Cloud Consulting & SI
    5% Cybersecurity
    5% Product Design
    5% UX/UI Design
    5% Web Design

    Focus Areas

    20% JavaScript
    30% Other programming & scripting languages
    20% Java +3
    10% C#
    10% Python
    10% Ruby

    Ethos Technologies is a custom software development company. Launched in 2017, the agency is based in Riyadh, Saudi Arabia. Their team offers Custom Software Development and Artificial Intelligence.

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  • Now-IT Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Kraków, Poland

    Services provided

    10% Web Development
    15% Custom Software Development
    15% Web Design +9
    10% Application Management & Support
    10% E-Commerce Development
    10% Graphic Design
    5% Broadcast Video
    5% Logo
    5% Packaging Design
    5% Print Design
    5% Product Design
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% C# +3
    20% PHP
    10% AJAX
    10% SQL

    Launched in 2016, Now-IT is a software development firm. The team offers Custom Software Development and Web Design.

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  • Meteorit Logotype

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9
    Ciudad de México, Mexico

    Services provided

    20% Web Development
    25% Web Design
    20% Social Media Marketing +3
    15% Content Marketing
    15% Custom Software Development
    5% Logo

    Focus Areas

    10% JavaScript
    10% AJAX
    10% C +7
    10% Java
    10% PHP
    10% Perl
    10% Python
    10% Ruby
    10% SQL
    10% XML

    Founded in 2017, Meteorit is a small web design company. Their team provides Web Design and Social Media Marketing.

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  • Appffinity Logotype

    Appffinity

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9

    Services provided

    10% Web Development
    30% Custom Software Development
    30% Web Design +5
    10% Mobile App Development
    5% Digital Strategy
    5% E-Commerce Development
    5% Product Design
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    50% PHP
    15% Java +1
    15% Swift

    Custom software development firm Appffinity offers Custom Software Development and Web Design. They are in Guayaquil, Ecuador.

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  • Seelogics Inc Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Toronto, Canada

    Services provided

    20% Web Development
    20% Custom Software Development
    10% Application Testing +5
    10% E-Commerce Development
    10% Graphic Design
    10% IT Strategy Consulting
    10% Logo
    10% Web Design

    Focus Areas

    10% JavaScript
    20% PHP
    20% Python +5
    10% C++
    10% Java
    10% Other programming & scripting languages
    10% Ruby
    10% SQL

    Seelogics Inc is a custom software development firm. They are in Toronto, Canada and Chennai, India and have small team. Their services include Custom Software Development and Web Development.

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  • Datrock Logotype

    Datrock

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9

    Services provided

    20% Web Development
    30% BI & Big Data Consulting & SI
    30% IT Managed Services +1
    20% Custom Software Development

    Focus Areas

    10% JavaScript
    70% Python
    20% Other programming & scripting languages

    Big data analytics company Datrock was founded in 2018. The team provides BI & big data consulting & SI and IT managed services and is in Kyiv, Ukraine.

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  • InAnalytica Logotype

    InAnalytica

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9

    Services provided

    15% Web Development
    20% ERP Consulting and SI
    15% Custom Software Development +7
    15% E-Commerce Development
    10% Email Marketing
    5% Graphic Design
    5% IT Strategy Consulting
    5% Pay Per Click
    5% Search Engine Optimization
    5% Social Media Marketing

    Focus Areas

    15% JavaScript
    15% Java
    15% PHP +5
    15% Python
    10% ASP.NET
    10% C#
    10% SQL
    10% XML

    InAnalytica is a small ERP consulting and SI company based in India. The team specializes in ERP consulting and SI and Custom Software Development.

    Read more
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  • Brandvalor LLC Logotype

    Brandvalor LLC

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    10% Web Development
    25% Branding
    25% UX/UI Design +3
    20% Mobile App Development
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    20% JavaScript
    30% ASP.NET
    30% PHP +1
    20% SQL

    Small UX design agency Brandvalor LLC, is in Cincinnati, Ohio. The team offers UX/UI Design and Branding.

    Read more
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  • Rotros Logotype

    Rotros

    Not yet reviewed

    Undisclosed
    $25 - $49 / hr
    2 - 9

    Services provided

    20% Web Development
    30% Mobile App Development
    20% Custom Software Development +2
    20% Enterprise App Modernization
    10% Wearable App Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% ASP.NET +7
    10% C#
    10% Java
    10% Kotlin
    10% Objective C
    10% SQL
    10% Swift
    10% XML

    Rotros is a small İstanbul, Türkiye-based app development firm. The team offers Mobile App Development and Custom Software Development.

    Read more
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  • Cyvyon Technologies Logotype

    Cyvyon Technologies

    Not yet reviewed

    Undisclosed
    < $25 / hr
    2 - 9

    Services provided

    10% Web Development
    20% Product Design
    10% Application Management & Support +6
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Web Design

    Focus Areas

    20% JavaScript
    40% PHP
    10% ASP.NET +3
    10% C++
    10% Ruby
    10% SQL

    Based in Ahmedabad, India, Cyvyon Technologies is a Product Design company. Founded in 2017, the team offers Product Design and Custom Software Development.

    Read more
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  • Medios Eureka Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Cali, Colombia

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +4
    10% Enterprise App Modernization
    10% Other Application Development
    10% Search Engine Optimization
    10% Web Design

    Focus Areas

    10% JavaScript
    20% PHP
    20% SQL +5
    10% AJAX
    10% C#
    10% Java
    10% Python
    10% Redux

    Medios Eureka is a small software development company founded in 2014. Their services include Custom Software Development and Mobile App Development.

    Read more
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  • Neotech Solutions Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Surat, India

    Services provided

    20% Web Development
    30% Web Design
    10% Affiliate Marketing +4
    10% Cybersecurity
    10% Mobile App Development
    10% Search Engine Optimization
    10% Social Media Marketing

    Focus Areas

    10% JavaScript
    50% PHP
    20% SQL +2
    10% AJAX
    10% C#

    Neotech Solutions is a web design agency. Headquartered in Surat, India, the company was founded in 2016. Their services include Web Design and Web Development.

    Read more
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  • Kenekt Digital Logotype

    Not yet reviewed

    Undisclosed
    $100 - $149 / hr
    2 - 9
    Amsterdam, Netherlands

    Services provided

    10% Web Development
    40% Social Media Marketing
    20% Content Marketing +2
    20% Search Engine Optimization
    10% Pay Per Click

    Focus Areas

    20% JavaScript
    20% AJAX
    20% C++ +2
    20% Java
    20% PHP

    Kenekt Digital is a social media marketing firm. The team focuses on Social Media Marketing and Content Marketing and is located in Amsterdam, Netherlands.

    Read more
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  • Nocktech Inc Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    Newmarket, Canada

    Services provided

    20% Web Development
    30% Custom Software Development
    25% Search Engine Optimization +3
    10% Content Marketing
    10% Pay Per Click
    5% Digital Strategy

    Focus Areas

    10% JavaScript
    30% PHP
    30% SQL +2
    20% C#
    10% Visual Basic

    Based in Newmarket, Canada, Nocktech Inc is a small custom software development company. The team focuses on Custom Software Development and Search Engine Optimization.

    Read more
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  • Digitaro Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Karachi, Pakistan

    Services provided

    15% Web Development
    30% Social Media Marketing
    10% E-Commerce Development +9
    10% Mobile App Development
    10% Video Production
    5% Graphic Design
    5% UX/UI Design
    3% Corporate Photography
    3% Logo
    3% Packaging Design
    3% Print Design
    3% Product Design

    Focus Areas

    15% JavaScript
    15% Kotlin
    15% Python +5
    15% Redux
    10% C#
    10% C++
    10% SQL
    10% Swift

    Established in 2019, Digitaro is a social media marketing firm. Their services include Social Media Marketing and Web Development.

    Read more
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  • Blitz SD Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    2 - 9
    Kyiv, Ukraine

    Services provided

    10% Web Development
    20% Custom Software Development
    10% AI Development +6
    10% Application Testing
    10% IT Strategy Consulting
    10% Mobile App Development
    10% Other Application Development
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    40% C#
    30% ASP.NET +1
    10% Other programming & scripting languages

    Blitz SD is a custom software development company based in Kyiv, Ukraine. The team offers Custom Software Development and UX/UI Design.

    Read more
    View Profile
  • Ltech Dev Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Johannesburg, South Africa

    Services provided

    20% Web Development
    30% Custom Software Development
    10% Cybersecurity +4
    10% Graphic Design
    10% Logo
    10% UX/UI Design
    10% Web Design

    Focus Areas

    10% JavaScript
    30% Java
    30% PHP +3
    10% Other programming & scripting languages
    10% Python
    10% SQL

    Ltech Dev is a software development firm launched in 2017. The team focuses on Custom Software Development and Web Development.

    Read more
    View Profile
  • AppSacks Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    California City, CA

    Services provided

    20% Web Development
    20% Mobile App Development
    15% Custom Software Development +8
    10% Digital Strategy
    10% E-Commerce Development
    10% IT Strategy Consulting
    8% Application Testing
    2% Application Management & Support
    2% Other Application Development
    2% Wearable App Development
    1% Enterprise App Modernization

    Focus Areas

    10% JavaScript
    30% PHP
    20% Java +4
    10% ASP.NET
    10% Python
    10% SQL
    10% Swift

    AppSacks is a website development company. In California City, California and New Delhi, India, the firm provides Web Development and Mobile App Development.

    Read more
    View Profile
  • ESPARSE MATRIX SOLUTIONS PRIVATE LIMITED Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    Pimpri-Chinchwad, India

    Services provided

    20% Web Development
    25% Custom Software Development
    25% Mobile App Development +2
    20% E-Commerce Development
    10% AI Development

    Focus Areas

    10% JavaScript
    50% Kotlin
    20% Python +2
    15% PHP
    5% SQL

    ESPARSE MATRIX SOLUTIONS PRIVATE LIMITED is a software development company. They are based in Pimpri-Chinchwad, India. Their team offers Custom Software Development and Mobile App Development.

    Read more
    View Profile
  • OCTONEU Nigeria Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    2 - 9
    Warri, Nigeria

    Services provided

    10% Web Development
    10% Architectural Design
    10% Content Marketing +7
    10% Custom Software Development
    10% Graphic Design
    10% Product Design
    10% Social Media Marketing
    10% UX/UI Design
    10% Video Production
    10% Web Design

    Focus Areas

    20% JavaScript
    20% ASP.NET
    20% PHP +3
    20% SQL
    10% AJAX
    10% ASP

    OCTONEU Nigeria is a social media marketing firm. The team offers Social Media Marketing and Content Marketing, and the company is based in Warri, Nigeria.

    Read more

    More responsive than most other service providers

    OCTONEU Nigeria is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile

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Ability to deliver
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Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Brainhub
2 ImageX
3 xfive
4 The Software House
5 ATEAM SOFT SOLUTIONS
6 Airdev
7 Xmartlabs
8 Softonix
9 Toptal
10 Lizard Global
11 INOXOFT
12 PopArt Studio
13 GeekyAnts
14 SpdLoad
15 HTMLPanda

List of the Top 15 JavaScript Development Companies

  1. Brainhub Logotype

    Brainhub

    $50,000+
    $50 - $99 / hr
    50 - 249
    Gliwice, Poland

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    50% Web Development
    75% JavaScript
    50% Other
    View Profile Visit Website
  2. ImageX Logotype

    ImageX

    $75,000+
    $100 - $149 / hr
    50 - 249
    Vancouver, Canada

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    90% Web Development
    50% JavaScript
    10% Other
    View Profile Visit Website
  3. xfive Logotype

    xfive

    $25,000+
    $50 - $99 / hr
    50 - 249
    Kraków, Poland

    Ability to deliver

    39.5/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  4. The Software House Logotype

    The Software House

    $10,000+
    $50 - $99 / hr
    50 - 249
    Gliwice, Poland

    Ability to deliver

    39.4/40.0
    19.6/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    60% JavaScript
    55% Other
    View Profile Visit Website
  5. ATEAM SOFT SOLUTIONS Logotype

    ATEAM SOFT SOLUTIONS

    $10,000+
    < $25 / hr
    250 - 999
    Thiruvananthapuram, India

    Ability to deliver

    38.1/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    50% Web Development
    50% JavaScript
    50% Other
    View Profile Visit Website
  6. Airdev Logotype

    Airdev

    $10,000+
    Undisclosed
    50 - 249
    San Francisco, CA

    Ability to deliver

    39.1/40.0
    19.8/20 Reviews
    9.6/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  7. Xmartlabs Logotype

    Xmartlabs

    $10,000+
    $50 - $99 / hr
    50 - 249
    Montevideo, Uruguay

    Ability to deliver

    39.5/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    50% Web Development
    35% JavaScript
    50% Other
    View Profile Visit Website
  8. Softonix Logotype

    Softonix

    $5,000+
    $25 - $49 / hr
    50 - 249
    L'viv, Ukraine

    Ability to deliver

    36.9/40.0
    18/20 Reviews
    10/10 Clients & Experience
    8.9/10 Market Presence

    Service focus

    70% Web Development
    50% JavaScript
    30% Other
    View Profile Visit Website
  9. Toptal Logotype

    Toptal

    $50,000+
    $100 - $149 / hr
    1,000 - 9,999
    San Francisco, CA

    Ability to deliver

    39.5/40.0
    19.6/20 Reviews
    9.9/10 Clients & Experience
    10/10 Market Presence

    Service focus

    15% Web Development
    25% JavaScript
    85% Other
    View Profile Visit Website
  10. Lizard Global Logotype

    Lizard Global

    $10,000+
    $50 - $99 / hr
    50 - 249
    Kuala Lumpur, Malaysia

    Ability to deliver

    39.3/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    30% Web Development
    70% JavaScript
    70% Other
    View Profile Visit Website
  11. INOXOFT Logotype

    INOXOFT

    $25,000+
    $25 - $49 / hr
    50 - 249
    Newark, DE

    Ability to deliver

    39.8/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  12. PopArt Studio Logotype

    PopArt Studio

    $5,000+
    $50 - $99 / hr
    50 - 249
    Chicago, IL

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    35% Web Development
    40% JavaScript
    65% Other
    View Profile Visit Website
  13. GeekyAnts Logotype

    GeekyAnts

    $10,000+
    $25 - $49 / hr
    250 - 999
    San Francisco, CA

    Ability to deliver

    39.9/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.9/10 Market Presence

    Service focus

    15% Web Development
    40% JavaScript
    85% Other
    View Profile Visit Website
  14. SpdLoad Logotype

    SpdLoad

    $50,000+
    $25 - $49 / hr
    50 - 249
    Kharkiv, Ukraine

    Ability to deliver

    36.8/40.0
    17/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    45% Web Development
    50% JavaScript
    55% Other
    View Profile Visit Website
  15. HTMLPanda Logotype

    HTMLPanda

    $1,000+
    < $25 / hr
    250 - 999
    Boston, MA

    Ability to deliver

    35.9/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    40% Web Development
    35% JavaScript
    60% Other
    View Profile Visit Website
  16. Sigma Software Group Logotype

    Sigma Software Group

    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    L'viv, Ukraine

    Ability to deliver

    38.8/40.0
    19/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    21% Web Development
    18% JavaScript
    79% Other
    View Profile Visit Website
  17. Incora Logotype

    Incora

    $25,000+
    $25 - $49 / hr
    50 - 249
    L'viv, Ukraine

    Ability to deliver

    37.2/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    9/10 Market Presence

    Service focus

    40% Web Development
    50% JavaScript
    60% Other
    View Profile Visit Website
  19. Techuz InfoWeb Pvt. Ltd. Logotype

    Techuz InfoWeb Pvt. Ltd.

    $5,000+
    < $25 / hr
    50 - 249
    Ahmedabad, India

    Ability to deliver

    36.4/40.0
    16.8/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  20. Brainium Information Technologies Logotype

    Brainium Information Technologies

    $10,000+
    < $25 / hr
    250 - 999
    Kolkata, India

    Ability to deliver

    36.3/40.0
    19/20 Reviews
    9/10 Clients & Experience
    8.4/10 Market Presence

    Service focus

    35% Web Development
    30% JavaScript
    65% Other
    View Profile Visit Website
  21. WPWeb Infotech Logotype

    WPWeb Infotech

    $5,000+
    < $25 / hr
    50 - 249
    Ahmedabad, India

    Ability to deliver

    39.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    65% Web Development
    20% JavaScript
    35% Other
    View Profile Visit Website
  22. Human Made Logotype

    Human Made

    $50,000+
    $150 - $199 / hr
    50 - 249
    New York, NY

    Ability to deliver

    38.2/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    100% Web Development
    30% JavaScript
    View Profile Visit Website
  23. Arcanys Logotype

    Arcanys

    $100,000+
    $25 - $49 / hr
    250 - 999
    Cebu City, Philippines

    Ability to deliver

    38.7/40.0
    20/20 Reviews
    10/10 Clients & Experience
    8.7/10 Market Presence

    Service focus

    30% Web Development
    20% JavaScript
    70% Other
    View Profile Visit Website
  24. Experion Technologies Logotype

    Experion Technologies

    $10,000+
    $25 - $49 / hr
    1,000 - 9,999
    Plano, TX

    Ability to deliver

    36.8/40.0
    17.2/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
    View Profile Visit Website
  25. Cleveroad Logotype

    Cleveroad

    $10,000+
    $25 - $49 / hr
    250 - 999
    New York, NY

    Ability to deliver

    40/40.0
    20/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    28% Web Development
    15% JavaScript
    72% Other
    View Profile Visit Website
  26. Blazity Logotype

    Blazity

    $10,000+
    $50 - $99 / hr
    10 - 49
    Warszawa, Poland

    Ability to deliver

    37.5/40.0
    18.4/20 Reviews
    10/10 Clients & Experience
    9.2/10 Market Presence

    Service focus

    50% Web Development
    70% JavaScript
    50% Other
    View Profile Visit Website
  27. XWP Logotype

    XWP

    $50,000+
    $150 - $199 / hr
    50 - 249
    Chelsea, Australia

    Ability to deliver

    35.9/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.7/10 Market Presence

    Service focus

    60% Web Development
    45% JavaScript
    40% Other
    View Profile Visit Website
  28. Probey Services Logotype

    Probey Services

    $1,000+
    < $25 / hr
    1,000 - 9,999
    London, England

    Ability to deliver

    36.5/40.0
    19.2/20 Reviews
    9.3/10 Clients & Experience
    8/10 Market Presence

    Service focus

    20% Web Development
    25% JavaScript
    80% Other
    View Profile Visit Website
  29. Vincit Logotype

    Vincit

    $50,000+
    $150 - $199 / hr
    250 - 999
    Irvine, CA

    Ability to deliver

    36.2/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    30% Web Development
    30% JavaScript
    70% Other
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  30. Oshyn Logotype

    Oshyn

    $25,000+
    $100 - $149 / hr
    50 - 249
    Long Beach, CA

    Ability to deliver

    36.2/40.0
    18.2/20 Reviews
    10/10 Clients & Experience
    8/10 Market Presence

    Service focus

    100% Web Development
    40% JavaScript
    View Profile Visit Website

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.

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