Top React.js Development Companies in UK & Expert React JS Developers | 2025

We are Magneto. A team of digital commerce experts working with manufacturers, wholesalers and retailers globally, turning ideas into unique customer & content-centric experiences, using a platform-agnostic approach. Since 2010, we have been architecting digital commerce solutions for our clients providing innovative solutions, managing delivery and accelerating the speed at which leading B2B, B2C, D2C and marketplace brands can scale with flexibility their online offerings. We empower enterprises with industry-leading composable commerce solutions through a range of partners which offer PIM, DAM, OMS, MDM, DEM, CRM, CX, omnichannel sales, and marketing business needs. We push ourselves. We push technology. And we push the boundaries of conventional commerce.

Welcome to Bytes Technolab – a New-Age Digital Transformation and Product Engineering Company that keeps AI & ML innovations at the heart of everything.    Since 2011, we have collaborated with global Enterprises, Startups, and SMEs to modernize legacy systems, boost efficiency, and unearth new growth opportunities. We  empower brands with cutting-edge technology solutions to help them thrive in the fiercely competitive market.   Our strong forte in continuous R&D and innovation helps our clients to make precise decisions, fostering resilience and sustainability to make their businesses future-ready.   Our Vision   To be a global leader in product engineering and digital transformation services, empowering brands and startups to innovate, adapt, and achieve sustainable growth. By leveraging cutting-edge technologies and a customer-centric approach, we aim to transform ideas into impactful solutions that shape the future of businesses worldwide.   Our Mission   We’re on a mission to solve modern-day business challenges for our clients and help them unlock sustainable growth through our core offerings in Digital Transformation, and Product Engineering. In a nutshell, we have what it takes to offer limitless possibilities to all businesses.   Our Core Offerings in Software Development Explore our know-how in innovative software development umbrella to realize speed, agility, and trends we offer.   1. AI & ML Solutions   We help businesses adopt intelligent AI & ML solutions to accelerate overall growth and brand value.   AI Consulting NLP Development Generative AI AIOps & MLOps AI Integration AI Support   2. Digital Transformation   We transform conventional enterprises by modernizing their legacy systems and implementing workflow automation, etc.   Web Development Mobile App Development RPA Development Low Code Development Workflow Automation   3. Product Engineering   We engineer or re-engineer user-focused business products that ensure lasting success and add value to brands and their users.   Product Modernization MVP Development SaaS Development Product Support   4. Digital Commerce   Our team empowers retailers, wholesalers, and manufacturers with end-to-end eCommerce offerings to create content-driven and experience-driven solutions.   Retail eCommerce B2B eCommerce   Platforms We Work With   Usher new possibilities to build solutions with our peerless capabilities to use the right technology platform to meet your needs.   1. AI & ML Solutions   OpenAI PyTorch TensorFlow Keras Python   2. Digital Transformation   Salesforce SAP Odoo Microsoft Dynamics 365 SugarCRM   3. CMS   WordPress Strapi Webflow Sitecore Drupal Sitecore   4. Digital Commerce   Adobe Commerce Magento Shopify WooCommerce BigCommerce   Methodology: Building Innovations for Users is in Our DNA.   Modern times demand modern solutions. Bytes Technolab empowers enterprises to reimagine their business operations, processes, and customer experiences.   Our methodology is customer-driven to design and build scalable and impactful solutions that enhance experiences, adding value to the brands we work with.   We are committed to innovation, continuously investing in emerging technologies to ensure our clients stay ahead in competitive markets.   Bytes Technolab’s mission extends beyond technology – To assist businesses in achieving sustainable growth, building stronger customer connections, and adapting to an ever-changing marketplace.    We strive to fuel business innovations in the digital age, inspiring confidence and trust in every customer-driven solution we deliver.   Our USPs: Simple Reasons Why Our Clients Love Us   Proven Track Record   A successful track record on a global scale with 98% project delivery is what makes us proud today.   Continuous Innovation   We always help our clients stay ahead by continuously fine-tuning and upgrading the software systems.   Uncompromised Quality We keep quality at the center of everything and never compromise on that front. This is why people trust us.   Customer Satisfaction We are prideful in building great software products for global clients, meeting their most complex requirements, and satisfying them since 2011.

React Development Agency specializes in crafting custom web applications and mobile solutions using React.js and React Native. We pride ourselves on transforming innovative ideas into stunning designs, ensuring scalability, performance, and seamless user experiences tailored to meet specific business needs.

Nodes is a London-based agency specializing in mobile app development for iOS, Android, and Windows Phone. With offices in Aarhus, Manchester, and Amsterdam, they have built over 200 apps for brands like Carlsberg, Samsung, and BMW. They offer a re-usable codebase and are part of Monstar Labs.

Infinitus Interactive, a Scottish software development company, specializes in creating transformative digital solutions. They offer digital twins, augmented reality, virtual reality, game development, websites, mobile apps, and Unity assets. Their digital twin solutions provide real-time, data-driven models of physical assets, enabling businesses to optimize performance and improve decision-making. Their AR and VR applications offer immersive experiences, while their Unity assets enhance the development process. Infinitus Interactive is committed to staying ahead of industry changes and pushing boundaries to provide unparalleled digital solutions.

NectarBits is the fastest-growing Mobile Apps and Web Development Company having professional 6+ years of experience where it will come with quality standards and 3 months of free support. Founded in 2011, they are headquartered in India with other physical locations in the USA and Canada. with the otherFind any difficulty or any issue in development that will be solved without any extra cost they provide after deployment. The web designing company offers full-cycle web solutions – from UX and UI design to backend development and integration. They have vast experience in Agile base Methodology with a scrum where they can assure you about your deployment strategy with modular architecture for your further updates and development.

Limeup is a Product Design Studio based in London, United Kingdom. Established in 2019, the studio has expanded to a team of over 20 professionals and has collaborated with more than 50 companies to craft exceptional product designs. Their primary focus lies in serving clients from the Fintech and Gambling industries.

DSEOM LTD stands out in the digital marketing industry by blending creativity, data-driven strategies, and passion. They believe successful campaigns require a delicate balance between artistry and analytics. They work with collaboration and transparency, understanding brand, objectives, and target audience to craft customized strategies.

Establishing growth plans that surpass your goals. Make your future a reality by collaborating with our award-winning marketing firm. We are a full-service marketing technology and brand transformation agency that builds strong tech, marketing, and brand foundations to help you grow as you do.

Light IT offers businesses and startups cutting-edge mobile and online software solutions. We provide more than simply software development; we also organize our workflow to cut costs, prioritize the demands of our clients, thoroughly examine requirements to recommend enhancements, and never miss a deadline. We have been providing more than 500 unique solutions for businesses in Europe, the US, Canada, Japan, China, and many other countries for more than 17 years.

From an Australian startup in 2008, Navicosoft has grown into a major force in the digital world. With our headquarters in Australia and offices in the US, UK, and Asia, we are pleased to service more than 17,000 clients globally. As a certified Google partner and global award winner, we provide comprehensive digital solutions that guarantee outstanding performance and conversion rates.

BizBrolly LLC is a technology-driven innovation lab that specializes in mobile app and custom software development services. With over 500 projects completed globally,they have worked with top clients like Unesco,Benefit Cosmetics,Telefonica,Circular,Wayja,and Practice Crown. BizBrolly offers digital services in web portals,native applications,cross-platform apps,IoT apps,and more. They have been providing software development services since 2015,focusing on ideation,discovery,UI/UX,product design,mobile app development,software development,cloud and devOps,AI product development,product management,and QA. They serve various industries,including insurance,health tech,finance,e-commerce,logistics,and games.

Elephant Crew is a UK-based digital agency focusing on strategic digital transformation. They offer tailored solutions for businesses, enhancing marketing efforts, sales performance, digital presence, and operational optimization. Their goal is to become the trusted partner for UK and European businesses, combining technology and strategy to improve efficiency, drive innovation, and gain a competitive edge. They aim to bridge the gap between modern web and marketing technologies and businesses, enabling them to adapt to the evolving digital world.

Our innovative website development approach focuses on providing high-quality,reliable sports betting software that exceeds clients' expectations. We believe in transparency,honesty,and collaboration,aiming to become the leading provider of sports betting software globally. Our mission is to empower global entrepreneurs with the necessary tools for success in the competitive sports betting industry.

Devioand Ltd is a development agency that focuses on enhancing online presence and unlocking business possibilities through advanced software solutions. They specialize in creating eCommerce platforms, websites, and mobile apps using modern technologies like Gatsby, Next.js, React, JAMstack, and Headless CMS like Shopify, WooCommerce, WordPress, Primsic, and Contentful.

At Infini8AI, we create cutting-edge technological solutions to empower people. We are experts in the full development process, from user-focused mobile apps to AI research. The foundation of our system is a highly iterative process that greatly accelerates development. We customize our workflow to perfectly fit the demands of every project, from fully comprehending our clients' distinct business difficulties to effectively creating and launching their software products. This tailored approach guarantees our clients a perfect fit solution and a quick go-to-market plan.

We are a successful business development company with over $495 million in funding, no failed projects, and numerous publications. We have 11+ years of experience in global markets, 80+ developers, and plans for expansion in New York and San Francisco. We have partnerships with WeWork, Barclays, F6S, 11FS, Capital Enterprise, and VCs.

We offer offshore staff augmentation, dedicated tech teams, business intelligence, automation, web development, and app development, focusing on prioritizing your needs across industries.

Xportsoft Technologies is a premier IT solutions provider in India, offering a wide range of services such as software development, digital marketing, SEO, PPC, graphic designing, and more. Our team of seasoned professionals is dedicated to delivering cutting-edge solutions that empower businesses to stay ahead in today's dynamic marketplace.

By providing everything they require in one location, we at EminEmpire hope to assist companies in thriving in the digital era. We have streamlined the procedure because we recognize how frustrating it may be to deal with several providers for various services. We provide a cohesive, efficient experience that is intended to empower your company and promote long-term success, ranging from web development and digital marketing to graphic design, music and video creation, and IT support.

A bespoke software development company focuses on finding solutions to manage change and help businesses thrive. With offices in Leeds and London, they work with leading private and public companies. They offer custom software strategy, delivery, and support across four key areas: migrating, modernising, augmentation, and transformation. They offer bespoke software migration services, modernisation services, and digital transformation expertise. Their UK team of seasoned experts combines technical know-how with an understanding of UK business to deliver efficient, secure, and effective migration processes.

With its headquarters in London, Circle Square Limited is a software development firm that provides the best Eastern European software developers to meet our clients' demands. We set ourselves apart by adhering to Western standards in communication, quality, and delivery, even if our primary development team is headquartered in Ukraine with assistance from our UK team. We have both start-ups and NASDAQ-listed businesses among our clients, but we are dedicated to fulfilling our clients' needs regardless of their size or financial situation.

At 3DVerso, we envision the future of science fiction films becoming a reality: a three-dimensional internet that makes it harder to distinguish between the actual and virtual worlds.We are committed to acting as a link between the flat internet of today and the fully immersive three-dimensional internet of tomorrow, from creating apps and games to inventing immersive marketing strategies and novel narrative techniques. Our goal as a diverse team with over 15 years of experience is to make businesses stand out in the modern world. We accomplish this by utilizing cutting-edge technologies like AR, VR, 3D, and AI in previously unheard-of ways that are customized to our clients' requirements and have the potential to cut through the clutter, improve engagement, and increase marketing and sales.

Moonshot is a full-service software development company that helps driven innovators from conception to implementation. accompanying you on your path to the stars at any point.

We utilize creativity to create meaningful connections between people and brands, using our state-of-the-art facilities in London, Poland, Spain, and Bosnia and Herzegovina. We offer digital strategy services, consultancy, creative, content production, content natives, and photography and video services, ensuring businesses navigate the digital landscape effectively. Our team delivers award-winning, engaging content for a multi-channel world.

Olive IT is a results-oriented digital agency with offices in Dhaka and London that is dedicated to using powerful tech solutions to propel business expansion. Our knowledgeable in-house staff combines their extensive experience to create creative tactics that produce outcomes. By adopting a thorough strategy, we guarantee that each digital solution we provide advances your company's growth and success.

We are a specialized custom software development firm situated in the United Kingdom. We create sophisticated, expansive custom software and mobile applications that are more than the sum of their parts. Experienced engineers lead our close-knit team of custom software developers. We are not like other digital or advertising agencies. We are a 'no nonsense' custom software business, founded and operated by software engineers that enjoy working on challenging projects.

Moiotso Limited was established in 2017 with the goal of offering top-notch digital solutions to SMEs and startups in the United Kingdom. For both public and private businesses in the UK, Moiotso has successfully delivered web development solutions and bespoke software.

We provide a broad range of technology services and solutions to a varied clientele, which includes businesses and clients in the public sector.

SoftLoft is an innovative eCommerce software development company, providing the full range of services related to Magento and custom web development. Founded in 2008 and based in Ukraine, they supply their customers around the world with agile, reliable, and cost-effective eCommerce solutions. SoftLoft offers fully tailored services to match the individual Customers’ needs, with ongoing support and quick problem-solving. To develop and launch a Magento based store is only a small part of what they can deliver. Their day-to-day activity extends to all phases of development and support of your online business.

For 6+ years we have been providing startups and big brands with the opportunity to develop and achieve good results, to get additional profit with the help of technological solutions and business tools developed by our company.    What sets us apart? (Why us? Why should you trust Peiko?)   Achievements    We have been recognized as Clutch’s Top 3 Blockchain Development team, Goodfirm’s Blockchain Development leaders and DesignRush’s Best Graphic Design Companies.     Team competence    Peiko is a team of 67 professionals, who are constantly developing, have a high level of expertise in relevant technologies, and regularly confirm their qualifications. In particular, UX/UI designers, front-end and back-end engineers, QA testers, DevOps enginners, project and product managers, business an account managers.   Satisfied customers    During our work Peiko has successfully completed 189 projects for companies and startups all over the world. We continue to support part of them and take new projects into development. Our clients are always satisfied and turn to us more than once.    Our areas of expertise include innovative and cutting-edge solutions such as Software-as-a-Service, Exchanges, cryptowallets, NFTs, DeFi, Smart contracts, Marketplaces, Cross-platform solutions, MVP creation and CRM/ERP that we apply in industries such as Fintech, Retail, E-commerce, Healthcare, Blockchain and Traveling platforms.    We can provide:   Dedicated team/developer, managed by a client   Dedicated team, managed by our project managers   If you have an initial development, technical requirements for your future project or just an idea of a product that needs to be implemented, with our discovery phase you will be provided with as accurate as possible estimate of the timing and possible cost of implementing the solution.  We  will provide you with a unique solution that will bring you one step closer to success!  Let's make software together! Contact us: hello@peiko.space

Located in the center of London, UK, Bit Technologies is a top web design firm. Our areas of expertise include mobile app development, digital marketing, SEO, and web design. For small and medium-sized enterprises, we also provide custom software, web apps, and mobile apps.

DevOps Engineering is a multinational software engineering company with a distinctly human approach to issue resolution. We collaborate with clients at any scale and on every platform, fuelled by our People First concept, we assist clients in releasing technological innovation. DevOps Engineering provides innovative enterprise software development for our clients.

IT Hunter, specializing in bespoke website and app development, is headquartered in London, United Kingdom. Established in 2023, the small team focuses on website development, App Development, search engine optimization, Social Media Marketing, Pay-Per-Click Advertising,Email Marketing, Content Strategy, advertising, and more.  

We are SimplePlan Media, an award-winning brand development agency, specializing in end-to-end brand development solutions. We do everything from Complete Branding, Design and Development, and Comprehensive Marketing support. Whether you're a D2C startup or an established B2B Fortune 500 brand, we have the right solution for your branding, website, and marketing needs. Even better, you won't find us compromising on the quality of the work while burning a hole in your pocket. Our solutions are custom-tailored to serve your business goals perfectly. You will find us easy to communicate with. We have worked with over 100 brands all across the globe, and have honed our communication skills to ensure a smooth and memorable experience for you throughout the project.

Vidatec is a Scottish mobile app and web development company that focuses on creating user-friendly apps for various sectors, including health, social care, workplace engagement, and leisure. They combine technical expertise with mobile app development to create custom solutions, ensuring the user's experience is paramount. Vidatec offers services including mobile and web strategy, UX/UI design, software engineering, quality assurance, and operations support. They are ready to collaborate with partners and are part of Group Insights, a recognized leader in people development.

Nexa Growth is a UK-based digital marketing agency that offers services like SEO, PPC, social media management, and specialized advertising on platforms like Amazon, Pinterest, and TikTok. They use data-driven strategies and industry insights to create customized marketing solutions, ensuring businesses achieve sustainable online growth and measurable success.

We are the marketing wizards offering you the Digital Marketing services to showcase business to build it up as a brand with SEO, SMM, PPC, Web Design, Influencer Marketing, Email Marketing etc. Let's Wow your online Presence!

Impressit is a top-performing software development agency with solid expertise in building web and mobile apps and enterprise software solutions. Our mission is to help startups and SMEs create digital products and software solutions fast with outstanding quality. As a premium company, we provide our partners with a wide variety of technologies focusing on the JavaScript stack. We cover all project stages, such as business analysis UX/UI design development testing deployment maintenance For startups and companies with in-house tech leaders, Impressit offers managed team extension services. It's a perfect solution for fast-growing companies.

Quip Global is a digital experience agency located in the Pacific Northwest. When businesses seek to transform their digital presence, they turn to us to create impactful changes that drive growth. By blending research-based strategy with innovative design, we specialize in developing digital experiences, websites, and mobile applications. Quip Global was established to address the growing global demand for high-quality IT and software development services at an affordable price. With a focus on quality, our company’s foundation is built upon a process-driven business model, ensuring that we provide transparent solutions to our clients.

Founded in Salisbury, Wiltshire, in 2005, Blue Frontier just established a second location in Southampton. We work together with councils and the NHS and provide a wide range of technical, web, software, and digital marketing services to companies in the public and private sectors. While our development team builds websites, eCommerce, web portals, and mobile apps, our website designers make user-friendly, responsive, and captivating websites. In addition to a staff of IT professionals who manage hosting and maintenance for our clients, we have a skilled team of digital marketers who specialize in SEO, PPC, social media, and copywriting.

CSSChopper is a well-established web development company with a team of 200+ members. Since our inception in 2009, we have grown exponentially with 7500+ happy clients and 9000+ project deliveries.    We offer web development, eCommerce development service, and dedicated developer hiring. We cater to all businesses ranging from startups to enterprises. With expertise in technologies like WordPress, Shopify, Drupal, Magento, ReactJS, AngularJS, PHP, Python, etc., we can build innovative web development solutions.    Key services we provide include AngularJS development, ReactJS development, WordPress development, Shopify development, Magento development, and custom web development. You can hire web developers like WordPress developers, Shopify developers, PHP developers, etc.   

Depuis 2012, Moriyama est reconnu mondialement comme l'un des partenaires pionniers d'Umbraco. En tant que partenaire de consultation de niveau platine, nous mettons à votre disposition notre large compétence en Umbraco au Royaume-Uni et aux États-Unis, aidant les organisations et leurs collaborateurs à améliorer, soutenir et maintenir leurs plateformes Umbraco.

Khired Networks is a software solutions provider dedicated to transforming businesses with cutting-edge advancements in technologies. From development to deployment and optimization, we create scalable, and secure applications. Our expert team enhances efficiency, streamlines workflows, and drives measurable growth. Prioritizing agility, collaboration, and customer-centricity, we ensure seamless integration and intuitive user experiences. With a commitment to quality, security, and continuous innovation, we inspire organizations to embrace digital transformation, improve decision-making, and achieve sustainable success. Our flexible, iterative approach keeps businesses ahead of market trends in an ever-evolving, competitive landscape.

Ronins is more than just a digital agency; it was founded with the goal of producing digital experiences that motivate, inspire, and stimulate growth. As pioneers, inventors, and artists, we never stop pushing the limits of what is conceivable in the digital world. Constantly Seeking Improvement A group of like-minded people who were all passionate about digital innovation started our adventure. This passion, which was fueled by an unwavering dedication to our clients' success, swiftly developed into the impetus behind our efforts to redefine the conventional standards of digital strategy. Our philosophy is centered on producing memorable experiences that go above and beyond expectations. We are dedicated to providing well considered, painstakingly carried out solutions that are based on a thorough comprehension of each individual client's objectives and goals. However, the process of creating something is just as important as the final product. Every project we take on is seen as a special chance to push the envelope creatively, question the current quo, and establish new standards for digital excellence. We constantly remind ourselves that "just ok is not ok" and that our initial motivation was to constantly strive for improvement. As a result, we have earned confidence in our capacity to bring about change and improve the standing of the brands we work with.

Software development firm ABNK creates digital solutions in the fields of sports, agritech, healthtech, and edtech. We provide scalable and reasonably priced web and mobile applications thanks to our expertise in DevOps,.Net, Node.JS, and React. With a track record of success, we are dedicated to establishing long-lasting alliances via team augmentation, project-based, or outsourcing agreements.

Asra Soft is an enterprise business solution founded in 2022, specializing in mobile app and web development for startups and existing businesses. Their mission is to provide a platform for young tech startups to have their software development needs addressed with quality and ease. Asra Soft envisions helping at least 500 IT businesses and startup SMEs establish a strong foothold in the software development world by 2026. The company prioritizes client reviews, over-delivery, responsiveness, a progressive roadmap, and quality assurance through test-driven development, including manual human tests and automated tests using tools like Selenium, Jenkins, and GitHub.

Our web development expertise assists growing businesses in reducing process overhead and embracing digital transformation to improve their operations.

VTS Software, a UK-based software development company, offers bespoke services in Web, Mobile Apps, Windows, MacOS, and Enterprise Grade Business Intelligence solutions, focusing on Warehouse Management Systems and factory software, and is a certified Silver Microsoft Partner.

For businesses in a variety of sectors, we design, create, and implement software solutions. We work together with our clients to create and execute dependable IT solutions that address various business issues. Healthcare, real estate, e-commerce, and entertainment are just a few of the industries that InCode serves with product consulting, UX/UI design, web application development, and software development services.