React.js Consulting Services

React.js is a win-win choice whatever the business you operate in. Leverage our hands-on experience in React.js and React Native and get a full range of React.js consulting and development services to ensure the swiftest route to success.

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React.js Consulting Services

Client testimonials

«We now have a core team of engineers at Relevant who work for us full-time and are supplemented by 4 or 5 engineers with different skillsets when and if required.»

Paul Carse
CTO and Co-founder of Life Moments

“Working with you guys has been fantastic. The level of expertise of your development team is as good as the people that we get in the UK. You’ve got a fantastic talent base of programmers. It’s more challenging to find people of that quality in the UK.”

Cassian Harrison
Co-founder of Splink Industries and My Theory Test App by James May
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Our React.js consulting services

React.js Advisory Services

Our specialists are well-versed in everything related to React and the tools required. If you are experiencing any difficulties implementing the React.js technology stack, reach out to us and get professional help.

React.js Apps Development and Design

By teamwork with our React js consultants, developers, and designers, you'll get innovative and functional apps at a speed that others can't compete with. Our React.js development company will do everything so that you get a quality product.

Legacy React.js Apps Upgrade and Improvement

Our React.js consultants are ready to breathe new life into your legacy project by taking advantage of the latest React technologies. We help businesses evolve their solutions with new features and functionality and a fresh user experience.

Migration to React.js

Migrating to React with our React development company opens new possibilities. It’s easier to scale and maintain the app and more convenient to make changes. We carry out this process incrementally and painlessly.

Add-ons to our React.js consulting services
  • • React.js Product Development
  • • React.js Single-Page App Development
  • • Custom React.js App Development
  • • React.js Migration Services
  • • React.js Support and Maintenance Services
  • • React.js Plugins and Components Development
  • • React.js Native App Development
  • • React.js DOM Development
  • • React.js Front-End Development
  • • Third-Party API Integration Services
  • • Quality Assurance Testing
  • • React.js Template Creation
  • • Application Re-engineering

Why Relevant as your React.js consulting partner?


Agile methodology

The agile approach enables rapid development and allows you to increase or decrease your React.js development team according to the circumstances.


Dedicated project manager

Our dedicated project manager acts as a liaison and orchestrator of development activities, making cooperation as productive and comfortable as possible.


80% employee retention rate

Responsible employee retention allows us to retain the best talent and increase the profitability of your projects.


9/10 client satisfaction score

Our team has 200+ successful projects under its belt. We have satisfied customers from 25 countries worldwide.


92% of senior and middle engineers

The rich expertise of our programmers allows us to handle products of any scale and type and to solve non-trivial tasks.


Risk handling

Continuous improvement of our risk management practices, tools, and methods makes us a reliable partner and not just a supplier.

Our Success Stories

Developing a SaaS platform that assists UK homebuyers
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Visualizing air quality sensor data in a web dashboard
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Gamifying customer support with a Zendesk app
The Netherlands
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Engagement models

Decide which model best suits your project


How do you recognize and hire the best React consultants?

We position ourselves as the leading React.js consulting company, which helps us organically attract the best React.js developers in the market. Each of our React consultants passes a rigorous hiring process. It includes background and references checks, General Computer Assessment Test Interview to confirm work experience, skill sets, cultural fit, etc., and a coding challenge.

What if we want to hire other types of talent than React consultants?

We can provide a wide variety of software professionals, including DevOps, architects, business analysts, UI/UX designers, project managers, quality assurance engineers, etс.

How do I communicate with React consultants?

At Relevant, we primarily use Jira, Slack, and Google Meet for everyday communication. We also have weekly team meetings and daily standups, which clients are encouraged to join. All in our React consulting company speak and write English fluently.

How much do React.js consulting services cost?

The charge of React.js consulting and React.js development services depends primarily on the ReactJS development company to which you will commit your project. But hourly rates for React developers are typically in line with other frontend and mobile development technologies.

Why should you opt for React migration?

React provides enhanced code reusability to develop web and mobile applications for multiple platforms. Moreover, ReactJS migration services help create user-centric yet friendly apps with state-of-the-art features and design flow. The leading organizations combine ReactJS migration services with React consulting services to get the best-in-class app development experience.

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Do you know that we helped 200+ companies build web/mobile apps and scale dev teams?

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