React Native has long-established itself as one of the most effective tools for cross-platform mobile development. It allows you to create applications that look and work almost like native ones, while significantly reducing development time and costs. But in order to really get the maximum performance and flexibility from React Native app development, it is important to work with companies that know how to not just use standard framework capabilities, but build custom native modules and fine-tune applications for specific tasks.

In this article, we present a ranking of the top eight companies specializing in developing React Native applications with an emphasis on near-native performance and customization. Our rating is based on experience, cases, technology expertise and customer feedback. Note that we list companies in reverse order – from the eighth to the first place, and the leader, deservedly leading the list, is Celadonsoft.

If you are looking for a reliable partner to develop a high-performance mobile application on React Native that understands the importance of custom solutions and optimization, this review  of pragmatic 8 will help you make the right choice.

8. Infosys

Infosys is one of the world’s leaders in IT consulting and outsourcing, and their experience in developing mobile applications on React Native deserves attention. The company successfully implements projects for clients from various industries, combining scale and quality.

In working with React Native, the Infosys team emphasizes flexibility and extensibility of solutions. Thanks to their extensive experience in creating custom native modules, they provide applications with near-native performance modules even in complex use cases. This is especially important for projects with high demands on speed and user experience.

Infosys is actively implementing CI/CD, automated testing and security best practices to ensure the stability and reliability of the final product. In the company’s portfolio are large corporate applications where integration with existing systems and customization play a key role.

If you need a scalable and technologically mature team capable of taking over the entire React Native development cycle – from architecture to support – Infosys deserves to consider it among your potential partners.

7. Toptal

Toptal is not just an outsourcing company, but rather a unique platform bringing together the best React Native developers from around the world. If you are looking for flexibility and the ability to quickly assemble a team for a specific project, Toptal is one of the most convenient options.

The peculiarity of Toptal is that they carefully select specialists: in their networks, only 3% of candidates are strictly selected, which guarantees a high level of expertise. This is especially important when it comes to the development of applications with Near-Native performance and custom modules – here you require specialists who do not just «know React Native», but understand how to extend standard functionalities, optimize the application and create efficient bridges to native libraries.

We have seen how Toptal helps companies to quickly close complex technical issues where flexibility and quality of execution are paramount. Thanks to the individual team selection and transparent cooperation process, customers are able to control the project as much as possible and implement customized solutions without unnecessary risks.

Examples of projects implemented with Toptal cover both budget-constrained startups and large corporate applications with high performance and security requirements. This proves that the platform can scale to any request, while maintaining quality at a premium level.

If you are considering hiring a remote command for React Native development, where expertise and speed are important, Toptal is a great choice to create custom native modules that will allow your application to run quickly and smoothly, approaching the nativeness.

6. Wipro 

Wipro is a worldwide player and, as such, possesses widespread mobile-development experience, with React Native simply not being the exception. They work with projects of all degrees of complexity, ranging from mere business applications to consumer market products. They have an engineering team that flexes a React Native skillset without compromising any single bit of performance. 

Wipro goes into bespoke app development native modules – the ones comprising Near-Native Performance, especially when the pure React Native components don’t suffice. Through open architecture and constant communication with the client, Wipro can provide integration for native libraries and can make performance optimizations on the critical parts of the code itself. This results in a slick user experience even for the most intricate and demanding applications. 

A few of their projects include safety, speed, and scalability being of paramount importance for finances and retail. The clients are hence impressed with levels of technical expertise and transparency open for communication throughout the development. Wipro is the expert and trusted partner, basically if you want to get a team to make a custom high-performance React Native application that has deep insight into the business complexities and technical nuances.

5. Appinventiv

Appinventiv is among the most settled mobile app development firms, and React Native is no exception. Application development in their approach depends on extensive experience of knowing how to make it run well and run smoothly near native solutions.

What is really impressive about Appinventiv is the attention to detail and ability to craft custom modules that allow you to extend the default behavior of React Native. This is critical when dealing with specific business functions or sophisticated integrations where «out of the box» functionality is lacking.

The company employs best practices proactively to optimize performance – from the optimization of application launch times to the optimization of resource consumption. It is especially important for high-load projects or UI/UX-heavy projects where a minimal delay can be noticed in the user interface.

In Appinventiv’s portfolio – projects of different sizes: small startups and large corporations. Due to their experience, they can adapt quickly to different requirements and solutions of the technology stack and offer stable and rapid development with scalability.

For us as IT colleagues, it is noteworthy that Appinventiv is serious about the QA and testing process, even for automated testing of custom modules, which ensures the stability and quality of the product at every step.

Due to this, Appinventiv is a company that you should pay attention to if you are looking for one that will complete a complex React Native project with good customization and performance focus.

4. Mindinventory

When it comes to React Native development, development, primarily in custom solutions and Near-Native user experience, Mindinventory has been a trusted partner for clients. Special attention is paid to understanding a client’s business logic and the subtle nuances of the platform through which we go on to develop not just mobile applications but rather, high-performance products with smooth and responsive animation that incorporate iOS and Android features on one platform.

By working closely with the client, Mindinventory operates with a flexible development methodology that allows the swift integration of custom modules extending the standard React Native functionalities. This becomes crucial for any projects requiring complex native SDK integrations or those unique capabilities that cannot be realized by standard tools.

With its notable tech stack, Mindinventory utilizes the latest of React Native and native tools, automated testing, and continuous integration and continuous delivery tools. The end goal is the acceleration of releases without compromising the quality; with such a full strategy, the company has implemented projects for clients across finance, e-commerce, and healthcare.

Among feedback from clients, one what accentuates is on the high technical prowess of the Mindinventory team, as well as their adaptability in changing requirements rapidly, assuring the strong performance of applications on a huge spectrum of devices.

3. Konstant Infosolutions

Konstant Infosolutions is a well-established company in the mobile development industry with a lot of experience in delivering work in the realm of React Native for a considerable number of years. Their team doesn’t just implement projects, but develops applications as native performance as possible. It accomplishes this by working heavily with custom modules that allow you to push the limits of native React Native functionality and optimize key elements of the application.

Their approach in architecture is particularly impressive: Konstant Infosolutions always keep code scalability and maintainability in mind, which is the most significant aspect for long-term projects with growing functionality. The company actively uses best practices in rendering optimization and memory management to ensure smooth UX even on low-resources devices.

Ever since its establishment, the company has developed many high-volume projects in various sectors – e-commerce and financial services, health care, and education. With the exposure they have, they are able to fairly assess technical risks and offer solutions that not only increase productivity, but also reduce time to market.

For technical experts, there is a requirement that Konstant Infosolutions adopts open communication and flexible development practices, whether Agile or Scrum. This renders the collaboration predictable and successful – a value that will be appreciated by anyone who wants to buy a quality React Native product with tailored features.

2. Fueled

Fueled has gained much respect in the market over time as one of the most powerful app development teams working in React Native today. Their sole objective has been to go beyond just mere app creation, focusing on creating premium user-experiences that are near native but hold the versatility of a cross-platform solution.

Differentiating them from all others is the exact understanding of Fueled in custom module matters. Stuck with standard React Native libraries, they do not develop; they create custom modules that ramp up performance and permit the implementation of very complex functions that cannot be done ‘out of the box.’ This method ensures crisp and fast-response app experience even in extreme loads.

Fueled’s portfolio contains products that call for extreme UI/UX precision and fine-tuning, interfacing with many services, external services, and APIs. They find a way to strike a fine balance between design efficiency and end-product quality valued by clients from varied industries, from startups to large corporations.

Another added element is that the team at Fueled employs the best CI/CD practices and automated testing, releasing updates swiftly yet ensuring the app’s steady operation and reliability.

All said and done, if you seek a partner to help in the transformation of tough ideas into good React Native solutions with custom modules and near-native performance, Fueled makes a great contender.

1. Celadonsoft – the Leader of React Native development with focus on custom modules and Near-Native performance

In the field of mobile applications development, choosing the right partner is the key to the success of the project. Celadonsoft is firmly ranked first among React Native companies specializing in creating high-performance applications with custom modules that are as close to native experience as possible.

What sets them apart in the market? They don’t just use React Native «out of the box». In each project they dive deep into technical details, creating custom native modules and integrations that allow complex functions to be implemented without compromising on speed and fluidity. This is especially important for applications with high demands on performance – for example, in the areas of FinTech, LegalTech and HealthTech, where we have a lot of experience.

In addition, they carefully review the architecture and CI/CD processes to ensure stability and quality at every stage of development. Security is another priority, especially for projects with sensitive data. Thanks to a flexible approach and close interaction with customers, Celadonsoft creates solutions that not only look and work native but are also easily scaled and maintained.

Celadon React experts’ clients appreciate their expertise, speed and transparency – qualities that allow us to realize projects of any complexity in a short time and with a high level of quality.

If you are looking for a company that can maximize the potential of React Native with custom modules and Near-Native performance, Celadonsoft is your reliable partner.

Comparative Review

Company	Core Strength & Vibe	Specialization & Technical Highlight	Noteworthy For
Celadonsoft	The Specialized Performance Gurus. Their focus is deeply technical, aimed at achieving near-native performance in React Native through advanced custom native engineering.	Custom module development of significant complexity. They fundamentally extend RN rather than simply adopting it. Their expertise shines in FinTech, HealthTech, and LegalTech, where applications are multifaceted and performance vital.	The FinTech, HealthTech, and LegalTech frameworks all demand their expertise, as alongside FinTech, their intricate approach to architecture, performance tuning, and ground-up security fixes “this cannot be accomplished with RN” problems.
Fueled	The Premium UX & Design-First Engineers. Blends top-tier UI/UX design with robust engineering to create visually stunning and high-performing apps.	Creating polished, custom UI modules and complex animations. They excel where design fidelity and seamless performance are non-negotiable.	A strong portfolio that proves cross-platform can feel 100% native. Ideal for consumer-facing apps where brand experience and smooth interaction are paramount.
Konstant Infosolutions	The Reliable, Scalability-Focused Veterans. A seasoned player that emphasizes clean, maintainable architecture and long-term project health.	Architecting for scale and maintainability. They are strong in optimizing rendering and memory management.	A very pragmatic and risk-aware approach. Great for projects that are expected to evolve significantly over time, requiring a solid foundational codebase.
Mindinventory	The Agile Custom Solution Experts. Strong in adaptive development and integrating complex third-party native SDKs into a React Native environment.	Flexible integration of custom native modules and unique SDKs. They are adept at working with client-specific tech stacks and changing requirements.	Their agility and technical adaptability. They handle projects with deep integration of existing or proprietary systems very well.
Appinventiv	The Quality-Assured Product Builders. Takes a comprehensive, process-driven approach to ensure application stability and performance through rigorous QA.	Performance optimization and rigorous testing. They focus on metrics like launch time and resource consumption, backed by strong automated testing practices.	A very disciplined SDLC. A solid choice for projects where stability, thorough testing, and avoiding technical debt are higher priorities than breakneck speed.
Wipro	The Large-Scale Enterprise Integrator. A global giant adept at handling massive projects that require deep integration with legacy enterprise systems.	Enterprise-grade integration and security. They handle complexity and scale well, building apps that fit into large, existing corporate IT ecosystems.	Managing large, complex projects for Fortune 500 clients. Think internal tools, banking apps, or large e-commerce platforms where integration is key.
Toptal	The Elite Talent Network (Not an Agency). A curated marketplace, not a traditional dev shop. You hire and manage the developers directly.	Accessing top-tier, vetted individual talent. Perfect for assembling a custom team with very specific, high-end expertise for a project.	Flexibility and speed in finding exceptional talent. You need strong in-house tech leadership to manage them, but you get world-class individual contributors.
Infosys	The Corporate Process Powerhouse. A leader in global outsourcing, leveraging mature processes and methodologies for large-scale development.	Implementing CI/CD, automation, and global delivery models. Strength is in process efficiency and reliability on very large projects.	Large corporate projects where well-defined processes, documentation, and scalability of team size are more critical than bleeding-edge technical innovation.

Conclusion

Right partner to develop a React Native application is not just a matter of time or cost. It is a solution that directly affects the quality of the product, its performance and scalability in the future. Near-native experience and ability to integrate custom modules are key factors that make the application competitive and user-friendly.

In our review, we presented companies that not only have deep technical expertise, but also understand the business goals of their customers, offer customized solutions and are able to introduce innovation into each project. This approach makes it possible to create truly unique and effective applications.

If you are planning to launch a React Native project and want to get a product that will work quickly, easily expand and be as adaptable as possible for your business – it is important to choose those who can combine technical expertise with flexibility and attention to detail.