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Discover the top React.js Development Companies for Your Project

9 Companies - Rankings updated: September 03, 2026

DesignRush evaluates all React.js developers listed based on their technical expertise, past work, and client reviews. Some listings may be paid.

React.JS
React.JS × Crypto × $50,000 & Up × Clear Filters
  • A leading blockchain and software development company!

    Cutting-edge software development: blockchain, AI, ERP, and custom software for startups and enterprises...

    Top Services:

    • Software Development
    • Blockchain
    • ERP Consulting
    • Mobile App Development
    • AI Development
    • Show more
    Location
    Montreal, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    6 Projects Listed

    Webisoft Services

    • Software Development
    • Blockchain
    • ERP Consulting
    • Mobile App Development
    • AI Development
    • Web Development
    • eCommerce Development
    • Cloud Consulting
    • Product Design
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Exmar
    • Quebecor
    • Biron
    • Spartan Solar
    • Cogeco
    • Proprio Direct
    • Genium 360
    • Bell Media
    • PING CRM
    • Edigo
    Data sourced from the agency's DesignRush profile

    Webisoft Reviews & Testimonials

    • Raj Sardana
      Raj Sardana CEO at Innova Solutions
      5.0

      Web Development Review from Raj Sardana

      After working with Webisoft for a few months, I'm really pleased with the caliber of support and output I've had. I manage a little business, so I'm highly involved. I am aware that I have managed previous marketing companies a little too poorly in the past. However, Webisoft has shown me a great deal of patience and has taken the time to comprehend my unique demands and create a plan to address them.

    • Trevor Ogata
      Trevor Ogata CEO at TIX
      5.0

      Blockchain Review from Trevor Ogata

      Our team hired Webisoft to build out our alpha version of our to ticketing platform. Webisoft did an incredible job providing excellent customer service, reliability, communication, and adaptability. Webisoft was recommended by colleagues in the industry and did an incredible job given the difficult time constraints they had to work within. They were a great partner and we hope to work with them more in the future. (Verified via email)

    • Pier-Olivier Beaupré
      Pier-Olivier Beaupré CEO at Pixel Guru
      5.0

      Mobile App Development Review from Pier-Olivier Beaupré

      Pixel Guru, a mobile solution, helps dealerships have more online car sales by increasing inventory turnover. It hired Webisoft to develop its iOS & Android applications and the management system. The project was executed using React Native and Django. Webisoft's approach was marked by flexibility, professionalism, and punctuality. The agency's project management style was excellent, equipping Pixel Guru with essential tools and feedback for seamless tracking. (Verified by email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Sports Betting Software Development Company | Sports Betting Solution

    Sports Betting Soft is a leading iGaming technology provider delivering tailored sports betting and casino software solutions for both startups and established operators. We specialize in building innovative, reliable, and high-performance platforms designed to meet unique client needs and exceed in...

    Top Services:

    • Mobile App Development
    • Graphic Design
    • eCommerce Development
    • Web Development
    • Blockchain
    • Show more
    Location
    Borehamwood, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    10 Projects Listed

    Sports Betting Soft Services

    • Mobile App Development
    • Graphic Design
    • eCommerce Development
    • Web Development
    • Blockchain
    • Software Development
    • Staff Augmentation
    • IT Services
    • Software Testing
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • BET IT BEST
    • EAGLE BET
    • BetMonkey
    • Land-Mark-Co
    • MyHss
    • VMV
    • WSB
    • DBB
    • JARLON GROUP
    • FLYBET
    Data sourced from the agency's DesignRush profile

    Sports Betting Soft Reviews & Testimonials

    • Kundan B
      Kundan B COO at Bet Monkey
      4.8

      Web Development Review from Kundan B

      Had an Awesome Experience with the team at SBS. After Fiverr and Freelancer.com bad experience I got my product ready with Sports Betting Soft. and Special thanks to the team for the friendly support after launch.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • AI & Blockchain Engineering Studio

    INC4 is an engineering studio for product teams building AI across Fintech, Trading, and Web3, founded in 2013. Deep-thinking engineering, embedded with your team. Fintech · Trading · Web3 Since 2013...

    Top Services:

    • AI Development
    • Blockchain
    • Software Development
    • Digital Services
    • Mobile App Development
    • Show more
    Location
    Kyiv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed

    INC4 Services

    • AI Development
    • Blockchain
    • Software Development
    • Digital Services
    • Mobile App Development
    • IT Services
    • DevOps Consulting
    • UI/UX Design
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Nextadnet
    • JetHash
    • SmartyAds
    • AirDAO
    Data sourced from the agency's DesignRush profile

    INC4 Reviews & Testimonials

    • Liudmyla Osadcha
      Liudmyla Osadcha Head of Product at Open Forest Protocol
      5.0

      Software Development Review from Liudmyla Osadcha

      From wireframes to production release, INC4 built all of our user-facing products. The initial concept validation, design, and prototyping was created by our organization, but INC4 helped us to refine our interfaces and ensure the application logic was solid. As a result, we have collectively built and released four interconnected user-facing software applications that all are integrated with blockchain technology. This suite of applications is integral to our business. INC4 made our software products world-class in terms of usability, functionality, and reliability. Working with INC4 ensured our products were built and released on time and on budget. INC4 has a multitude of world-class project managers that make our work easy and fun. The project manager's excellence in communication, technical mastery, and expectation management ensure our project's delivery is of minimal concern. Delivery roadmaps are always communicated clearly and met without fail. The only time deadlines shift are when we (the clients) introduce new development criteria or features that take more time to build. However, even when this happens, the INC4 team are unflinchingly eager to accommodate our changes and adjust delivery processes accordingly. INC4 is efficient, agile, and thorough. The most impressive aspect of INC4 is how they seek to become truly invested in the development and success of each project they work on. They go beyond what is typically expected in this relationship, and are true partners who want to see our company grow. This provides a deep sense of security and trust for us as their clients. We never have to even consider INC4 taking shortcuts during the development journey because that kind of behavior is so opposed to their core organizational ethics. No matter what obstacles this organization faces, they adjust their development capacity accordingly and keep working with consistency & happy attitudes.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Unlock the BlackBox, achieve your Vision

    BlackBox Vision is a boutique digital product development studio based in Buenos Aires, Argentina, dedicated to helping startups and scale-ups bring their ideas to life...

    Top Services:

    • Mobile App Development
    • Software Development
    • Product Design
    • UI/UX Design
    • VR/AR
    • Show more
    Location
    Victoria, Argentina
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    13 Projects Listed

    BlackBox Vision Services

    • Mobile App Development
    • Software Development
    • Product Design
    • UI/UX Design
    • VR/AR
    • Blockchain
    • AI Development
    • IoT
    • Wearables
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Centro del Marmol
    • Criptoladrillo
    • Compra Futura
    • SURA Seguros
    • Answer Seguros
    • Daniela de Lucia
    • Tervey
    • Unmano
    • Spoilertime
    • Pro-Athletes
    Data sourced from the agency's DesignRush profile
  • Mobile App Devs Who Understand Business, Not Just Code

    Touchlane is a European mobile development studio that truly gets startups and SMBs. With 10+ years on the market, we turn ideas in fintech, health & fitness, and entertainment mobile development into secure, high-performing apps users love...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Cybersecurity
    • IT Services
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed

    Touchlane Services

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Cybersecurity
    • IT Services
    • Business Consulting
    • Wearables
    • AI Development
    • IoT
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • ColorTherapy
    • Citrus AI
    • Shape
    • Promo App
    • Vicinity
    • Musicfeed
    • Gaimin
    • Netapix
    • SmartVolt
    • Elo Health
    Data sourced from the agency's DesignRush profile
  • Globally Recognized Digital and Engineering Solutions Partner.

    Named Best AI Company and Software Development Company by The Netty Awards, Opinov8 is a global technology firm with development hubs across the United States, Europe, and Egypt...

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Web Development
    • Big Data Analytics
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    250 - 499
    Average Hourly Rate
    $42/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed

    Opinov8 Services

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Web Development
    • Big Data Analytics
    • Staff Augmentation
    • Cloud Consulting
    • DevOps Consulting
    • IT Services
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Renault
    • WELD Health
    • Hastee
    • Instamotion
    • HR DataHub
    • Beacon
    • United Language Group
    • German Society for International Cooperation
    Data sourced from the agency's DesignRush profile
  • Qualified personnel rules!

    We are a joint venture of international entrepreneurs and developers. We focus on providing the high level of software development services to our clients that match our German standards. It always results in a very strong, maintainable and reliable software and complete satisfaction of the clients. The...

    Top Services:

    • Blockchain
    • Web Development
    • Software Testing
    • Mobile App Development
    • IoT
    • Show more
    Location
    Bad Nenndorf, Germany
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed

    German Standard Services

    • Blockchain
    • Web Development
    • Software Testing
    • Mobile App Development
    • IoT
    • Software Development
    • VR/AR
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Biome Nanomics
    • Exopulse
    • Kanu
    Data sourced from the agency's DesignRush profile
  • Disruptive Technologies Software House

    Our long-term goal is to become the most effective software company in the world...

    Top Services:

    • Software Development
    • Product Design
    • UI/UX Design
    • Web Design
    • Blockchain
    • Show more
    Location
    Krakow, Poland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    2 Projects Listed

    Pragmatic Coders Services

    • Software Development
    • Product Design
    • UI/UX Design
    • Web Design
    • Blockchain
    • Mobile App Development
    • AI Development
    • VR/AR
    • IT Services
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • WebInterpret
    • AccentPharm
    • PhotoChain
    • Eldorado
    • EXCC
    • DiscoverCracow
    • Kitopi
    • Common Wealth
    • Atom Bank
    Data sourced from the agency's DesignRush profile

    Pragmatic Coders Reviews & Testimonials

    • Patryk DÄ…browski
      Patryk DÄ…browski Review from Google
      5.0

      Patryk DÄ…browski's Review Sourced from Google

      Great contact with the Pragmatic Coders team. Even though they weren't able to participate in the project, I received very specific and helpful feedback from Wojtek, which really pushed my idea forward. Their professional and friendly approach – I highly recommend them.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Tech Partner for EdTech Innovation

    We build and scale EdTech platforms ready for real-world complexity, district integrations, and compliance...

    Top Services:

    • Mobile App Development
    • Web Development
    • Staff Augmentation
    • AI Development
    • Software Development
    • Show more
    Location
    Montevideo, Uruguay
    Number of Employees
    50 - 99
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $50,000 & Up

    NeoCoast Services

    • Mobile App Development
    • Web Development
    • Staff Augmentation
    • AI Development
    • Software Development
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • ThinkCERCA
    • Nuro Retention
    • FoodConnect
    Data sourced from the agency's DesignRush profile

Frequently Asked Questions About React.js Developers

What are the typical React.js development services?

React.js development companies provide end-to-end services that span the entire software development lifecycle, from strategy and design to development and launch. Core services include: 

  • React.js consulting: Guiding businesses on building and optimizing their React applications through component selection, architecture design, and roadmap development. 
  • Custom React.js development: Engineering applications tailored to a business's specific needs, goals, and existing IT infrastructure, and typically include web design and web development.  
  • UI/UX design: Delivering intuitive interfaces, clear user flows, and standardized design systems that align with a brand and its target users. 
  • API integration: Connecting the React frontend to back-end systems, third-party tools, and external data sources to support seamless functionality and user experiences. 
  • Platform migration: Rebuilding or migrating legacy frontends to React to improve maintainability, usability, and performance, often with minimal disruption. 
  • Maintenance and support: Providing post-launch monitoring, debugging, performance optimization, and technical support. 

Many React.js developers also offer specialized expertise, including SaaS products, web application development, customer portals, eCommerce solutions, and minimum viable products (MVPs).  

Some React.js development companies may also offer digital marketing services, such as content marketing, search engine optimization (SEO), and branding. 

What is the difference between React and React Native?

The main difference is that React is used to build web user interfaces, while React Native is for developing mobile applications. Here are more details on their differences: 

  React React Native
Primary platforms Websites, web applications, and single-page applications iOS and Android mobile apps
Tech base JavaScript/TypeScript with React for web UI JavaScript/TypeScript with React, rendered through native UI components
Best for Businesses building browser-based products, customer portals, dashboards, eCommerce sites, and SEO-focused web experiences Businesses building cross-platform mobile apps for both iOS and Android with shared logic and accelerated development time
Examples Facebook, Instagram, Netflix web Microsoft Teams and Shopify

What are the typical React developer tools?

React.js developers typically choose their stack based on a client's product goals, technical requirements, and existing systems. For example, they may use Formik for complex forms and validation, Storybook for developing and testing components in isolation, and MUI for production-ready UI components and design systems. 

Common React developer tools: 

  • Core front-end: React, JavaScript, TypeScript, HTML, CSS 
  • State and data fetching: Redux, TanStack Query 
  • UI and styling: Tailwind CSS, MUI, Storybook 
  • Testing: Jest, React Testing Library, Cypress 
  • Back-end options: Express, Laravel, Rails, ASP.NET 
  • Databases and infrastructure: PostgreSQL, SQL Server, Redis 

Can React.js developers build AI-powered features into web applications?

Yes. A React.js developer can build AI-powered features into a web application by integrating model APIs, SDKs, and AI workflows into the product experience.   

Depending on your goals, this may include providers such as Google Gemini or Anthropic Claude, along with React developer tools, like Vercel's AI SDK for building chat, search, recommendation, and automation experiences in React-based apps. 

These companies can help you build features such as: 

  • Personalized content and recommendations based on user behavior 
  • Chatbots and virtual assistants for real-time customer support 
  • Smart search with autocomplete, semantic search, and related-result suggestions 
  • AI-assisted dashboards that generate summaries, reports, forecasts, and insights from business data 

When should you hire a React.js development company instead of using an in-house team?

The right choice depends on your project goals, internal capacity, timeline, and need for control. You may want to hire a React.js development company if: 

  • You have a short-term or time-sensitive project, but your internal team is already at capacity. 
  • You do not have the specialized expertise required for the project, such as React architecture, performance optimization, migration, or AI feature integration. 
  • You need to accelerate delivery without hiring and onboarding a full internal team. 
  • You want access to a broader range of skills, such as design, front-end engineering, QA, and post-launch support, through a single external partner. 
  • You need temporary support to fill skill gaps or expand delivery capacity. 

Use an in-house team when: 

  • The application is a core business product that requires long-term ownership and deep institutional knowledge. 
  • The project involves highly sensitive systems, proprietary logic, or strict security and compliance requirements. 
  • You need close day-to-day collaboration, faster internal feedback loops, and direct control over priorities. 
  • The product requires continuous iteration and alignment with multiple internal teams over time. 

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