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Top React.js Development Companies in May 2026

May

2026

Top React.js Development Companies in May 2026

Many businesses use React to implement on the front-end of their solutions: from startup applications to enterprise web systems. In this article, we have listed the best companies that provide React.js development services. The selection criteria for inclusion in this list:

Expertise in front-end development, JavaScript, and React.js
Expertise in the implementation of different types of React.js-based solutions (SPAs, PWAs, and enterprise-scale solutions)
The range of the React development services
Served industries
Customer’s testimonials
Portfolio of the implemented projects
Rating of the companies on such platforms as Clutch, Feedbax, GoodFirms, and others

We have conducted an analysis of 2000+ service providers and selected the top 10.

#1 Chudovo

Locations: USA, Germany, Ukraine, Estonia, UK
Company size: 50-249 employees
Hourly rate: $25-49

Chudovo is a professional web development company, focused on React.js and modern JavaScript ecosystems. The company cooperates with the SMEs and enterprises to develop front-ends or modernize legacy applications using React.js.

Chudovo has 15+ years of experience in software engineering and end-to-end development services. The team implements complex front-end systems and integrates them with the back-end. The company has talented React.js developers on its team with expertise in project delivery for such industries as healthcare, hospitality, media, fintech, and logistics.

What makes Chudovo stand out:

Strong expertise in full-stack React.js development
Expertise in the migration of legacy systems to React.js
Expertise in enterprise systems
Recognized by GoodFirms, Feedbax, Techreviewer, and other review platforms as a leading IT service provider

Chudovo has a 4,9/5 star rating on Clutch, based on 19+ customers’ positive reviews. The clients highlight the team’s reliability, the quality of the delivered solutions, and the ability to achieve the project’s main business goals.

#2 IT Supported

Locations: Australia
Company size: 10-49 employees
Hourly rate: $100-149

IT Supported is a software engineering company with a front-end development focus and strong React.js development expertise. The agency works with customers from the logistics, retail, healthcare, and finance industries. The clients of this company include startups as well as small and medium-sized businesses.

IT Supported provides customers with custom React.js development, integration with the back-end services, maintenance, and support. The team focuses on building modern component-based front-ends.

What makes them stand out:

Extensive experience in the development of web applications with React
The team follows the best Agile development practices
10+ years of experience in IT

IT Supported has a 5-star rating on Clutch. The customers note the remarkable expertise of this company, soft skills, and strong technical background.

#3 Kelsus

Locations: USA
Company size: 49-250 employees
Hourly rate: $100-149

Kelsus is an established web company that has proven experience in React.js development. The agency creates scalable web-based platforms, architects SaaS products, and builds custom React-based front-ends. Kelsus has experience in supply chain, logistics, healthcare, and e-commerce.

Kelsus offers flexible cooperation models like staff augmentation and building dedicated teams or project-based engagements. The client base of this company includes start-ups at an early stage, SMEs, and established SaaS products.

What makes them stand out:

Deep specialization in React.js
Transparent developer selection processes
Strong experience in the delivery of data-driven interfaces
More than 10 years of experience in product engineering

Kelsus holds a 4,8/5 star rating with 5+ clients’ reviews. The customer’s feedback highlights this company as a hands-on partner from a business and technical perspective. Besides, the clients note that this agency is a trusted partner to rely on.

#4 FusionHit

Location: United States
Company size: 50-249 employees
Hourly rate: $50-99

FusionHit is a professional React.js development company. It creates reliable web applications for industries like education, healthcare, and FinTech. The FusionHit team includes professional architects and React engineers on its team.

The company has a good reputation in the market due to the delivery of React-based projects according to the deadlines and outlined scopes of work. It cooperates with the SaaS solutions providers and enterprise-level customers.

What makes them stand out:

Extensive expertise in React development
Following Agile and Scrum methodologies in the software development cycle
Full overlap with the US time zone
Strong portfolio of implemented web projects

FusionHit has a 4,8 rating on Clutch, based on 8 customers’ reviews. The clients say that this agency is able to set good expectations and deliver on them. Besides, the customers appreciate the willingness of this team to think outside the box

#5 Technology Castle

Location: USA, India
Company size: 50-249 employees
Hourly rate: $25-49

Technology Castle is an established company that delivers reliable React-based web applications. The team can develop complex dashboards, business platforms with dynamic interfaces, and front-end systems with professional UX.

Technology Castle, besides front-end services, offers full end-to-end product delivery. The company has experience in such industries as information technology, finance, marketing, and education.

What makes them stand out:

Strong expertise in React.js and implementation of scalable web applications
Ability to design user-centric applications with profound UX
Flexible engagement models and a big focus on project estimations

Technology Castle has gathered several reviews on Clutch and gained a 5.0 rating. The clients note that they didn’t just build an app; they created a UX that truly reflects the business. Also, the customers say about the proactive approach of this team and their understanding of the main project goals.

#6 Tarmac.io

Location: USA, Netherlands, Finland, and other countries
Company size: 250-1000 employees
Hourly rate: $50-99

Tarmac is a progressive and flexible company for React.js development. It positions itself as a trusted partner for fast-moving startups and enterprise projects. Tarmac has in its portfolio projects from the healthtech, fintech, edtech, and logistics industries.

The company creates enterprise web apps and provides continuous support with the scaling of the existing teams. Tarmac works mostly as a nearshore partner for the customers in Europe and the USA.

What makes them stand out:

Focus on the long-term project involvement and availability of a Team-as-a-Service cooperation model
Strong expertise in building performant front-ends with React.js
Big pool of available React.js developers

Tarmac has a 5-star rating, based on the customer’s testimonials from Clutch. The project management os this agency is process-driven. As clients note, the company is able to hit the ground running and work effectively to deliver the project on time and within budget.

#7 Persistent Systems

Location: USA, India, Europe
Company size: 1000+ employees
Hourly rate: $25-60

Persistent Systems is a global React.js services provider. They offer development from scratch, modernization of the outdated systems, implementation of the SaaS dashboards, and maintenance of the existing React projects.

Persistent Systems has experience in projects for banking, healthcare, Hi-Tech, and other industries. The team works primarily with mid-sized companies and enterprise-scale organizations.

What makes them stand out:

React.js expertise
Extensive portfolio of web projects in different industries
Global presence and availability of talented React developers
Flexible cooperation models

Persistent holds a 5-star rating on Clutch and remains one of the leading agencies for React.js development. The customers like the way the project is managed. The communication and transparency processes are one of the strengths of this company.

#8 Techcronus Business Solutions

Location: USA, India, Australia, UAE
Company size: 50-249 employees
Hourly rate: $25-50

Techcronus is a software development and IT consulting company. This agency provides custom React-based development services as a part of its full-stack offering. The team works with startups, SMEs, and enterprises.

Techcronus develops complex UIs for projects from the healthcare, education, and logistics industries. The company implements SPAs, dashboards, and admin panels. Besides, it can take on maintenance and support projects with long-term involvement.

What makes them stand out:

Full-stack React development expertise
Ability to take over fixed price projects
Following Agile methodology

The team has 4,7 rating on Clutch that confirms its dedicated and high-quality work on the projects. The clients say that they were a reliable development partner and showed a deep technical knowledge with a proficient approach.

#9 ApolloRise Tech

Location: USA, India, Australia, UAE
Company size: 10-49 employees
Hourly rate: $50-99

ApolloRise is a software development company that uses React.js for the implementation of performant UIs for web applications. In its portfolio, it has projects from the hospitality, real estate, edtech, and supply chain industries.

ApolloRise is a modern company that puts a lot of effort into the creation of the interactive front-ends and is based on best practices.

What makes them stand out:

Strong expertise in front-end React development
Strong expertise in AI-featured applications
Big portfolio of implemented projects across different industries

AppolloRise has a 5.0 Clutch rating, based on the positive client testimonials. The customers highlight the expertise of the team and its technical proficiency.

#10 Spyrosoft Group

Location: Poland, Germany, Croatia, USA, India, Argentina, Romania
Company size: 1000+ employees
Hourly rate: $50-120

Spyrosoft Group is a professional React.js development company. It has implemented projects for automotive, HR tech, manufacturing, media, and finance. Spyrosoft implements React-based enterprise web front-ends, UIs for the internal tools, customers’ portals, and SaaS platforms.

What makes them stand out: