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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 5, 2026
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15 Leaders 15 Contenders

21,629 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

    Reviews mention Professional

    The sentiment regarding professionalism at Digis is overwhelmingly positive. Clients consistently highlight their strong communication skills, reliability, and commitment to project timelines. For example, one client noted that Digis demonstrated 'exceptional organizational skills' and 'timeliness,' while another mentioned their 'professional and good reviews.' Clients appreciated their ability to adapt and provide insightful suggestions, emphasizing the professionalism displayed throughout the projects. Overall, Digis is seen as a dedicated and professional partner in their engagements.
    • Software Development for Tech Job Matching Company
      5.0 Mar 31, 2022

      We have morning meetings every morning, and everyone from Digis works very independently and professionally. I think they are super hard working, professional, friendly and delivers on time.

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    • Software Development for Fintech Company
      3.5 Sep 9, 2021

      Their developer attended our team's daily stand-up and was always on time. They also provided an account manager to handle administration and feedback. They were very professional and easy to work with.

      Read Full Review
    • Cloud Software System for SaaS Market Platform
      5.0 Aug 17, 2021

      The team has been innovative and reliable. Their experience and professionalism were admirable. They delivered successfully and on time.

      Read Full Review
    • CRM System for Mentorship Program Platform
      5.0 Jul 31, 2020

      This was the most effective experience of cooperation with IT firms. All work issues were resolved professionally and comfortably. Attitude and friendliness, professionalism and respect for the customer.

      Read Full Review
    • Custom Software Development for IT Company
      5.0 Jul 4, 2024

      The project management was highly professional and transparent throughout the engagement. Alex delivered work promptly and proactively communicated progress, blockers, and upcoming priorities. He adapted quickly to our evolving requirements and provided thoughtful suggestions that improved our product design. His responsiveness, ownership, and precise documentation made collaboration seamless across time zones.

      Read Full Review
    Read All Reviews
    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

    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

    View projects from:

    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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  • Zylon Technologies Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Application Management & Support
    20% Enterprise App Modernization +5
    10% Custom Software Development
    10% IT Managed Services
    10% Low/No Code Development
    10% Mobile App Development
    10% Other Application Development

    Focus Areas

    20% JavaScript
    30% SQL
    20% Java +2
    20% Typescript
    10% Ember.js

    Launched in 2021, Zylon Technologies is an Application Management & Support company. The team focuses on Application Management & Support and Enterprise App Modernization.

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  • Rot3 Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    10 - 49
    Istanbul, Türkiye

    Services provided

    10% Web Development
    40% Blockchain
    10% AI Development +5
    10% Custom Software Development
    10% Low/No Code Development
    10% Mobile App Development
    5% IT Managed Services
    5% IT Strategy Consulting

    Focus Areas

    20% JavaScript
    20% SQL
    15% Kotlin +5
    15% Swift
    10% Python
    10% Redux
    5% HTML5
    5% Rust

    Rot3 is a Blockchain company. Located in Istanbul, Türkiye, the firm was founded in 2022. Their services include Blockchain and Web Development.

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  • DigiWare Labs Logotype

    DigiWare Labs

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Branding
    15% Content Marketing +5
    15% Email Marketing
    15% Social Media Marketing
    10% Custom Software Development
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    15% Java
    10% ASP.NET +8
    10% Kotlin
    10% PHP
    10% Swift
    5% AJAX
    5% Python
    5% Redux
    5% SQL
    5% Typescript

    DigiWare Labs is a branding agency launched in 2019. Their services include Branding and Social Media Marketing.

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  • Revstack Logotype

    Revstack

    Not yet reviewed

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

    Services provided

    20% Web Development
    60% Mobile App Development
    10% Custom Software Development +1
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    15% AJAX
    15% Objective C +4
    15% PHP
    15% Python
    15% SQL
    15% Swift

    Revstack, an application development company, was launched in 2021. The team specializes in Mobile App Development and Custom Software Development and is located in New York, New York.

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  • Forcify Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Kraków, Poland

    Services provided

    10% Web Development
    30% E-Commerce Development
    20% Application Management & Support +5
    10% Cybersecurity
    10% IT Strategy Consulting
    10% Low/No Code Development
    5% IT Managed Services
    5% IT Staff Augmentation

    Focus Areas

    20% JavaScript
    30% PHP
    10% AJAX +5
    10% Apex
    10% SQL
    10% XML
    5% HTML5
    5% Typescript

    Forcify is an e-commerce development firm. The company is in Kraków, Poland and Dnipro, Ukraine. Their team provides E-Commerce Development and Web Development.

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  • Manyata IT Solutions Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    35% Mobile App Development
    15% Custom Software Development +5
    10% E-Commerce Development
    5% CRM Consulting and SI
    5% ERP Consulting and SI
    5% UX/UI Design
    5% Web Design

    Focus Areas

    10% JavaScript
    15% Redux
    10% AJAX +8
    10% HTML5
    10% Kotlin
    10% PHP
    10% SQL
    10% Typescript
    5% Java
    5% Objective C
    5% Swift

    Founded in 2021, Manyata IT Solutions is a small Indore, India-based mobile application development firm. Their team specializes in Mobile App Development and Web Development.

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  • Dragon Digitals Logotype

    Dragon Digitals

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% Email Marketing
    15% Social Media Marketing +6
    10% E-Commerce Development
    10% Pay Per Click
    10% Sales Outsourcing
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    60% PHP
    20% Python

    In Dhaka, Bangladesh, Dragon Digitals is a social media marketing firm. They focus on Social Media Marketing and Email Marketing.

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  • kyiv.solutions Logotype

    kyiv.solutions

    Not yet reviewed

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

    Services provided

    10% Web Development
    13% Low/No Code Development
    10% Cloud Consulting & SI +9
    10% Custom Software Development
    10% Cybersecurity
    10% IT Managed Services
    10% IoT Development
    10% Mobile App Development
    10% Wearable App Development
    5% Application Testing
    1% AI Development
    1% BI & Big Data Consulting & SI

    Focus Areas

    20% JavaScript
    40% SQL
    20% PHP +1
    20% Python

    Kyiv.solutions, a custom software development company, is in Kyiv, Ukraine and New York, New York. Established in 2023, the team offers Custom Software Development and cloud consulting & SI.

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  • Digip Technologies Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    20% API Development
    15% Custom Software Development +4
    15% E-Commerce Development
    15% Mobile App Development
    10% IoT Development
    10% Low/No Code Development

    Focus Areas

    15% JavaScript
    25% C#
    10% AJAX +6
    10% ASP.NET
    10% HTML5
    10% SQL
    10% jquery
    5% C++
    5% Visual Basic

    Established in 2014, Digip Technologies is a software development firm. The team focuses on Custom Software Development and API Development.

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  • Vmarket360 Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Arlington, TX

    Services provided

    10% Web Development
    15% Search Engine Optimization
    10% Content Marketing +7
    10% E-Commerce Development
    10% Marketing Strategy
    10% Product Marketing
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design
    5% Pay Per Click

    Focus Areas

    20% JavaScript
    20% PHP
    15% AJAX +3
    15% Python
    15% Ruby
    15% SQL

    Vmarket360, a Digital Strategy company, focuses on Digital Strategy and Search Engine Optimization. The firm is in Arlington, Texas.

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  • Digital Income Agency Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Casablanca, Morocco

    Services provided

    15% Web Development
    20% Pay Per Click
    15% Graphic Design +6
    15% Social Media Marketing
    10% Email Marketing
    10% Video Marketing
    5% Content Marketing
    5% Search Engine Optimization
    5% Video Production

    Focus Areas

    15% JavaScript
    25% PHP
    20% Python +5
    20% SQL
    5% C
    5% C++
    5% HTML5
    5% Java

    Based in Casablanca, Morocco, Digital Income Agency is a small PPC agency. Their services include Pay Per Click and Social Media Marketing.

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  • Novo Labs Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Humble, TX

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +5
    10% API Development
    10% Blockchain
    10% Microservices Architecture Services
    5% Application Testing
    5% E-Commerce Development

    Focus Areas

    10% JavaScript
    10% ASP.NET
    10% HTML5 +7
    10% Java
    10% PHP
    10% Python
    10% Redux
    10% Rust
    10% SQL
    10% Swift

    Novo Labs is a custom software development company founded in 2022. The small team offers Custom Software Development and Web Development.

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  • Slider Shift Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Arlington Heights, IL

    Services provided

    10% Web Development
    15% Branding
    15% Graphic Design +4
    15% Logo
    15% Search Engine Optimization
    15% Social Media Marketing
    15% Video Production

    Focus Areas

    20% JavaScript
    35% PHP
    30% Python +1
    15% Java

    In Arlington Heights, Illinois, Slider Shift is a branding firm. They provide Branding and Social Media Marketing.

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  • Zenon Logotype

    Zenon

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    10 - 49

    Services provided

    15% Web Development
    15% Custom Software Development
    15% Mobile App Development +11
    5% API Development
    5% Branding
    5% DevOps Managed Services
    5% Graphic Design
    5% Logo
    5% Market Research
    5% Marketing Strategy
    5% Print Design
    5% UX/UI Design
    5% Wearable App Development
    5% Web Design

    Focus Areas

    15% JavaScript
    15% Typescript
    10% C# +8
    10% HTML5
    10% Java
    10% PHP
    10% SQL
    5% AJAX
    5% ASP.NET
    5% Python
    5% jquery

    Launched in 2022, Zenon, a small custom software development firm, is headquartered in Niš, Serbia and Ljubljana, Slovenia. Their team provides Custom Software Development and Web Development.

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  • Webnicon || Best IT Company In Jaipur Logotype

    Webnicon || Best IT Company In Jaipur

    Not yet reviewed

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

    Services provided

    10% Web Development
    15% IT Managed Services
    15% IT Strategy Consulting +7
    10% AI Consulting
    10% Cybersecurity
    10% Graphic Design
    10% Low/No Code Development
    10% Web Design
    5% Email Marketing
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% PHP
    20% SQL +5
    10% C#
    10% C++
    10% jquery
    5% HTML5
    5% Java

    Webnicon || Best IT Company In Jaipur is a web development company. They are in Jaipur, India, and their services include Web Development and IT strategy consulting.

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  • CodiNest Ltd Logotype

    CodiNest Ltd

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Product Design
    20% AI Development +2
    20% Mobile App Development
    10% DevOps Managed Services

    Focus Areas

    10% JavaScript
    10% C++
    10% HTML5 +7
    10% Other programming & scripting languages
    10% PHP
    10% Python
    10% Redux
    10% Ruby
    10% SQL
    10% Typescript

    CodiNest Ltd, a Product Design company, was established in 2023. They offers Product Design and Web Development.

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  • Web Scorpions Logotype

    Web Scorpions

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Back Office Outsourcing
    10% Custom Software Development +8
    10% E-Commerce Development
    10% Email Marketing
    10% Mobile App Development
    10% Social Media Marketing
    10% Video Marketing
    10% Web Design
    5% Logo
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    20% Java
    20% Other programming & scripting languages +2
    20% PHP
    20% SQL

    Web Scorpions is a social media marketing company. Established in 2024, the team focuses on Social Media Marketing and Email Marketing. The firm is in Toronto, Canada.

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  • eExpertz Technolabs Logotype

    Not yet reviewed

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

    Services provided

    15% Web Development
    10% Custom Software Development
    10% E-Commerce Development +8
    10% Graphic Design
    10% Mobile App Development
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design
    5% Content Marketing
    5% Digital Strategy
    5% Pay Per Click

    Focus Areas

    15% JavaScript
    30% PHP
    20% jquery +4
    10% HTML5
    10% Other programming & scripting languages
    10% SQL
    5% C++

    EExpertz Technolabs is a website development firm. They offer Web Development and Search Engine Optimization and are in Rajkot, India.

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  • ChilleeZen Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Dhaka, Bangladesh

    Services provided

    10% Web Development
    20% UX/UI Design
    15% E-Commerce Development +7
    10% Custom Software Development
    10% Graphic Design
    10% Low/No Code Development
    10% Mobile App Development
    5% DevOps Managed Services
    5% Email Marketing
    5% Social Media Marketing

    Focus Areas

    20% JavaScript
    20% PHP
    20% Python +4
    10% ASP.NET
    10% HTML5
    10% Other programming & scripting languages
    10% Typescript

    ChilleeZen is a Dhaka, Bangladesh-based UX design company. Their services include UX/UI Design and E-Commerce Development.

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  • Ribbash Digital Logotype

    Ribbash Digital

    Not yet reviewed

    $5,000+
    $300+ / hr
    10 - 49

    Services provided

    10% Web Development
    50% UX/UI Design
    10% Custom Software Development +3
    10% Low/No Code Development
    10% Mobile App Development
    10% Web Design

    Focus Areas

    20% JavaScript
    60% PHP
    10% HTML5 +1
    10% jquery

    User experience design company Ribbash Digital was founded in 2018. The small team provides UX/UI Design and Web Design.

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  • Cassowary Digital Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Lahore, Pakistan

    Services provided

    10% Web Development
    20% Social Media Marketing
    10% Content Marketing +11
    10% Search Engine Optimization
    5% Advertising
    5% Branding
    5% Digital Strategy
    5% Email Marketing
    5% Graphic Design
    5% Marketing Strategy
    5% Media Planning & Buying
    5% Pay Per Click
    5% UX/UI Design
    5% Web Design

    Focus Areas

    20% JavaScript
    25% HTML5
    10% PHP +7
    10% Python
    10% SQL
    5% AJAX
    5% C++
    5% Other programming & scripting languages
    5% XML
    5% jquery

    Cassowary Digital is a social media marketing firm. Their team is located in Lahore, Pakistan and offers Social Media Marketing and Content Marketing.

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  • S R S T Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Dhaka, Bangladesh

    Services provided

    20% Web Development
    15% Graphic Design
    15% UX/UI Design +6
    10% Low/No Code Development
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design
    5% Cybersecurity
    5% IT Managed Services

    Focus Areas

    10% JavaScript
    20% PHP
    15% HTML5 +7
    10% ASP
    10% ASP.NET
    10% SQL
    10% jquery
    5% Java
    5% Python
    5% backbone.js

    S R S T is a web design company. They were launched in 2023, and their services include Web Design and Web Development.

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  • CODINGBRACKETS Logotype

    CODINGBRACKETS

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49

    Services provided

    20% Web Development
    10% Custom Software Development
    10% E-Commerce Development +6
    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

    10% JavaScript
    10% ASP.NET
    10% HTML5 +10
    10% PHP
    10% Python
    10% SQL
    10% jquery
    5% AJAX
    5% ASP
    5% Objective C
    5% Redux
    5% Typescript
    5% XML

    CODINGBRACKETS, a web design company, is based in Lucknow, India. Established in 2013, the team provides Web Design and Web Development.

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  • Flowrec Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Generative AI
    20% IT Staff Augmentation +4
    15% DevOps Managed Services
    15% UX/UI Design
    10% Custom Software Development
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% Other programming & scripting languages
    20% PHP +2
    20% Python
    20% Redux

    IT staff augmentation company Flowrec was launched in 2018. The firm focuses on IT staff augmentation and Generative AI, and is small.

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  • Kewys Logotype

    Not yet reviewed

    $5,000+
    < $25 / hr
    10 - 49
    Cúcuta, Colombia

    Services provided

    20% Web Development
    20% Custom Software Development
    20% IT Staff Augmentation +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    10% JavaScript
    10% HTML5
    10% Java +7
    10% PHP
    10% Python
    10% Redux
    10% SQL
    10% Swift
    10% Typescript
    10% jquery

    Kewys is an user experience company. Launched in 2021, the agency specializes in UX/UI Design and IT staff augmentation.

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    More responsive than most other service providers

    Kewys 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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  • BgroTech Logotype

    BgroTech

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Custom Software Development
    10% Digital Strategy +7
    10% E-Commerce Development
    10% Mobile App Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% SQL +3
    20% Visual Basic
    10% PHP
    10% Python

    Located in Delhi, India, BgroTech is a Digital Strategy company. Launched in 2020, the team specializes in Digital Strategy and Social Media Marketing.

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  • CYBER CRESCENT Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Nashik, India

    Services provided

    20% Web Development
    20% Social Media Marketing
    20% Web Design +4
    10% Custom Software Development
    10% Email Marketing
    10% Graphic Design
    10% Search Engine Optimization

    Focus Areas

    10% JavaScript
    20% PHP
    20% SQL +7
    15% HTML5
    10% Other programming & scripting languages
    5% AJAX
    5% Typescript
    5% Visual Basic
    5% XML
    5% jquery

    Launched in 2018, CYBER CRESCENT is a social media marketing company. Their services include Social Media Marketing and Web Design.

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  • Connex Dotz Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Content Marketing +7
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Managed Services
    10% Pay Per Click
    10% Search Engine Optimization
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% JavaScript
    20% HTML5
    20% PHP +4
    10% AJAX
    10% Python
    10% SQL
    10% XML

    Connex Dotz is a Content Marketing company. They provide Content Marketing and Search Engine Optimization and were founded in 2022.

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  • Dhitech Solutions Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AI Development
    20% Cloud Consulting & SI +2
    20% Custom Software Development
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    10% ASP
    10% ASP.NET +7
    10% Go
    10% Java
    10% Python
    10% SQL
    10% Typescript
    10% XML
    10% jquery

    Dhitech Solutions is a small cloud consulting & SI company. Launched in 2022, the team provides cloud consulting & SI and Custom Software Development.

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  • Namish Software Pvt Ltd Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Greater Noida, India

    Services provided

    10% Web Development
    10% API Development
    10% Application Management & Support +12
    10% Enterprise App Modernization
    10% Mobile App Development
    5% AI Development
    5% Application Testing
    5% Cloud Consulting & SI
    5% DevOps Managed Services
    5% Generative AI
    5% IT Staff Augmentation
    5% IoT Development
    5% Microservices Architecture Services
    5% Staffing
    5% UX/UI Design

    Focus Areas

    20% JavaScript
    25% Python
    15% Java +5
    15% Swift
    10% Kotlin
    5% Go
    5% HTML5
    5% SQL

    Namish Software Pvt Ltd, a website development firm, was founded in 2024. The team offers Web Development and Mobile App Development and is based in Greater Noida, India.

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  • Verko Marketing Logotype

    Verko Marketing

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49

    Services provided

    10% Web Development
    25% Search Engine Optimization
    20% Branding +3
    20% Social Media Marketing
    15% Low/No Code Development
    10% Custom Software Development

    Focus Areas

    20% JavaScript
    60% Python
    20% C#

    Small SEO agency Verko Marketing, is located in Singapore and Seoul, South Korea. Their services include Search Engine Optimization and Branding.

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  • Magnetar Solutions Logotype

    Magnetar Solutions

    Not yet reviewed

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

    Services provided

    10% Web Development
    10% AI Consulting
    10% AI Development +7
    10% Blockchain
    10% Custom Software Development
    10% E-Commerce Development
    10% IT Strategy Consulting
    10% Low/No Code Development
    10% Mobile App Development
    10% Robotics Process Automation

    Focus Areas

    20% JavaScript
    40% Python
    15% SQL +3
    15% Typescript
    5% Redux
    5% Ruby

    Magnetar Solutions is a web development company. Their small team of employees is based in Houston, Texas. Their team offers Web Development and IT strategy consulting.

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  • AltronixSoft Logotype

    Not yet reviewed

    $5,000+
    $25 - $49 / hr
    10 - 49
    Tallinn, Estonia

    Services provided

    20% Web Development
    20% E-Commerce Development
    10% AI Development +5
    10% API Development
    10% Application Management & Support
    10% Custom Software Development
    10% Low/No Code Development
    10% Microservices Architecture Services

    Focus Areas

    10% JavaScript
    20% Java
    15% Typescript +7
    10% HTML5
    10% Rust
    10% SQL
    10% XML
    5% PHP
    5% Python
    5% jquery

    AltronixSoft is a software development company. The agency is in Tallinn, Estonia and Kyiv, Ukraine. Their team specializes in Custom Software Development and Web Development.

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  • WEBSITE DEVELOPMENT LLC Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% E-Commerce Development
    20% Email Marketing +3
    20% Pay Per Click
    20% Social Media Marketing
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Java +2
    20% PHP
    20% SQL

    Social media marketing company WEBSITE DEVELOPMENT LLC is based in Tampa, Florida. Launched in 2017, the team offers Social Media Marketing and Email Marketing.

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  • Haider Technologies Logotype

    Haider Technologies

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% Mobile App Development
    20% UX/UI Design +4
    10% AI Development
    10% E-Commerce Development
    10% Product Design
    10% Web Design

    Focus Areas

    10% JavaScript
    20% Java
    15% HTML5 +5
    15% SQL
    10% C#
    10% Go
    10% PHP
    10% Python

    Established in 2020, Haider Technologies, a small UX design agency, is based in St. Petersburg, Florida and Karachi, Pakistan. Their services include UX/UI Design and Web Development.

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  • teams.pk Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% AI Development
    20% IoT Development +3
    20% Mobile App Development
    20% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    30% PHP
    20% Typescript +3
    10% HTML5
    10% Python
    10% Redux

    UX design agency teams.pk was established in 2005. The company offers UX/UI Design and Web Development.

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  • Lead Softwares LLC Logotype

    Lead Softwares LLC

    Not yet reviewed

    Undisclosed
    $25 - $49 / 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% Low/No Code Development
    10% Mobile App Development
    10% UX/UI Design
    10% Wearable App Development
    10% Web Design

    Focus Areas

    20% JavaScript
    30% Typescript
    15% Redux +6
    10% AJAX
    5% PHP
    5% Python
    5% Rust
    5% Swift
    5% jquery

    Based in Multan, Pakistan, Lead Softwares LLC is a web design company. They offer Web Design and UX/UI Design and were launched in 2021.

    Read more
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  • Sourceblink Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Mobile App Development
    10% Custom Software Development +6
    10% DevOps Managed Services
    10% Email Marketing
    10% Low/No Code Development
    10% Pay Per Click
    10% Search Engine Optimization
    10% UX/UI Design

    Focus Areas

    20% JavaScript
    15% SQL
    15% Swift +5
    10% HTML5
    10% Kotlin
    10% PHP
    10% Python
    10% Ruby

    Sourceblink is a small Lahore, Pakistan-based mobile app development firm. Their services include Mobile App Development and Custom Software Development.

    Read more
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  • altBIG Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Branding
    20% Content Marketing +3
    20% Search Engine Optimization
    20% Social Media Marketing
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    25% PHP
    25% Python +2
    20% Java
    10% HTML5

    Branding firm altBIG was founded in 2024. The firm specializes in Branding and Social Media Marketing.

    Read more
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  • Futurista Soft Private Limited Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Graphic Design
    20% Mobile App Development +3
    20% Search Engine Optimization
    20% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% Kotlin
    20% Redux +2
    20% SQL
    20% Swift

    In Mohali, India and Oakland, California, Futurista Soft Private Limited is a SEO services firm. They specialize in Search Engine Optimization and UX/UI Design.

    Read more
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  • Mercatique Consultant Logotype

    Mercatique Consultant

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Content Marketing
    20% Search Engine Optimization +3
    20% Social Media Marketing
    20% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% HTML5
    20% Other programming & scripting languages +2
    20% PHP
    20% SQL

    Launched in 2024, Mercatique Consultant is a small Valsad, India-based social media marketing agency. Their team focuses on Social Media Marketing and Content Marketing.

    Read more
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  • Mart Softwares Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Addis Ababa, Ethiopia

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Graphic Design +3
    20% Mobile App Development
    10% Low/No Code Development
    10% Web Design

    Focus Areas

    10% JavaScript
    10% C#
    10% Java +13
    10% Other programming & scripting languages
    5% ASP
    5% ASP.NET
    5% C
    5% C++
    5% HTML5
    5% Kotlin
    5% PHP
    5% Python
    5% SQL
    5% Scala
    5% XML
    5% jquery

    Launched in 2023, Mart Softwares is a web design agency. The small team specializes in Web Design and Graphic Design.

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  • Aura Health Logotype

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    10 - 49
    Zagreb, Croatia

    Services provided

    20% Web Development
    25% Custom Software Development
    20% Mobile App Development +2
    20% UX/UI Design
    15% AI Development

    Focus Areas

    10% JavaScript
    10% Java
    10% Other programming & scripting languages +12
    10% Python
    10% Ruby
    5% ASP.NET
    5% C#
    5% C++
    5% Ember.js
    5% HTML5
    5% Kotlin
    5% PHP
    5% SQL
    5% Swift
    5% jquery

    Aura Health is a custom software development company. They are headquartered in Zagreb, Croatia. Their team specializes in Custom Software Development and UX/UI Design.

    Read more
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  • Tensorblue Logotype

    Tensorblue

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% AR/VR Development
    20% Custom Software Development +2
    20% Generative AI
    20% Mobile App Development

    Focus Areas

    10% JavaScript
    10% AJAX
    10% Apex +7
    10% C++
    10% Ember.js
    10% Java
    10% PHP
    10% Python
    10% Ruby
    10% Swift

    Tensorblue is a small custom software development firm. They focus on Custom Software Development and Web Development and were established in 2022.

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  • Fx Garage SRL Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Sfântu Gheorghe, Romania

    Services provided

    20% Web Development
    40% Custom Software Development
    20% IT Strategy Consulting +2
    10% IoT Development
    10% Low/No Code Development

    Focus Areas

    10% JavaScript
    10% C
    10% C++ +7
    10% Java
    10% Objective C
    10% PHP
    10% Python
    10% Ruby
    10% SQL
    10% Typescript

    Fx Garage SRL is a software development firm established in 2015. The firm provides Custom Software Development and IT strategy consulting.

    Read more
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  • CodnestX Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% AI Development
    20% E-Commerce Development +3
    20% Mobile App Development
    20% UX/UI Design
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% C#
    20% PHP +2
    20% Python
    20% SQL

    Located in Ahmedabad, India, CodnestX is an UX company. They focus on UX/UI Design and Mobile App Development and were established in 2019.

    Read more
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  • Growmoon Logotype

    Growmoon

    Not yet reviewed

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

    Services provided

    20% Web Development
    30% Mobile App Development
    25% Custom Software Development +2
    15% API Development
    10% Blockchain

    Focus Areas

    10% JavaScript
    30% PHP
    20% Kotlin +3
    15% SQL
    15% XML
    10% Java

    Growmoon, a mobile application development company, specialize in Mobile App Development and Custom Software Development. They were founded in 2019.

    Read more
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  • Anantax Technologies Logotype

    Not yet reviewed

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

    Services provided

    10% Web Development
    20% Application Management & Support
    20% Cybersecurity +3
    20% DevOps Managed Services
    20% Mobile App Development
    10% Low/No Code Development

    Focus Areas

    20% JavaScript
    20% Kotlin
    20% PHP +2
    20% Python
    20% Swift

    Anantax Technologies is a Cybersecurity company. The team is in Rajkot, India, and their services include Cybersecurity and Web Development.

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  • EHRAA Logotype

    Not yet reviewed

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

    Services provided

    20% Web Development
    20% CRM Consulting and SI
    20% E-Commerce Development +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    10% JavaScript
    10% ASP
    10% ASP.NET +7
    10% C#
    10% HTML5
    10% Java
    10% PHP
    10% Python
    10% SQL
    10% Typescript

    EHRAA is a small CRM consulting and SI company headquartered in New Delhi, India. The team focuses on CRM consulting and SI and ERP consulting and SI.

    Read more
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  • Kvinivel Inc. Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Calgary, Canada

    Services provided

    10% Web Development
    10% AI Consulting
    10% AI Development +7
    10% API Development
    10% AR/VR Development
    10% Application Testing
    10% Custom Software Development
    10% IoT Development
    10% Mobile App Development
    10% Robotics Process Automation

    Focus Areas

    20% JavaScript
    25% C#
    20% C++ +3
    20% Typescript
    10% HTML5
    5% Java

    Kvinivel Inc. Is a software development company. Based in Calgary, Canada, their small team specializes in Custom Software Development and Web Development. The agency was founded in 2023.

    Read more
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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
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  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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