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

Scrums.com is the world’s 1st Software Engineering Orchestration Platform (SEOP) to help teams build faster, smarter, and at scale. We combine human expertise, AI-powered agents, and actionable software analytics into one flexible platform that orchestrates every aspect of software engineering. Whether you need to augment your team, spin up a dedicated development squad, or boost delivery with autonomous AI agents, Scrums.com gives you the control and scalability to move faster - and smarter. From startups to global enterprises, 400+ global companies trust Scrums.com to streamline engineering workflows, unlock talent from Africa’s top software minds, and drive performance through intelligent automation and insight. With presence in Johannesburg, Cape Town, Nairobi, Lagos, London, and New York, we’re building the future of software engineering - seamlessly orchestrated, insight-driven, and globally powered.

Genese Solution Pvt. Ltd. is a UK-based cloud consulting company and service provider that focuses on enabling digital transformation. Established in Nepal in 2019, it has a presence in India, Bangladesh, Pakistan, and Australia. The company's vision is to create a world-class ICT ecosystem, enabling companies and startups to efficiently utilize their ICT capabilities. With over 50 internationally certified engineers, the company offers top-quality cloud solutions and customer-centric support. Genese has provided expert services to over 250 clients across Eurasia and 500 clients in Nepal. They are pioneers in introducing international market leaders like Amazon Web Services and are the first NRB IRD compliant legal digital payment partner in Nepal.

Among the many countries in which oftTeam, an international IT company, operates are Ukraine, Estonia, Poland, Austria, and the United Kingdom. Our main goal is to provide outstanding software engineers to startups and SMEs while serving clients globally. With over 50 completed projects, we have demonstrated our proficiency in a range of sectors, including startups, healthcare & medicine, fitness & sport, professional services, automotive, news media, and non-profits.

Appcentric, a friendly digital agency based in Birmingham, has a team of professionals including product development experts, UX and Design, mobile app and web developers, and backend/database experts. They believe in building long-lasting partnerships to help clients achieve their goals by creating solutions that deliver ROI and memorable user experiences. Appcentric has worked in various sectors, including retail, education, manufacturing, healthcare, charity, and not for profit. They are Birmingham's only Umbraco Platinum Partner, providing enterprise level CMS solutions and integrations.

Les applications mobiles et web sont au cœur de notre univers. Notre équipe interne d'experts se consacre à fournir des produits de haute qualité et générateurs de résultats pour votre startup ou entreprise. Nous utilisons les technologies les plus récentes pour garantir des applications à la fois esthétiques, réactives et faciles d'utilisation à chaque fois. Permettez-nous de vous accompagner dans la conception d'applications, le développement, le lancement, la promotion, l'optimisation pour les boutiques d'applications et bien plus encore au cours de votre parcours numérique.

Sigma Software, a team of 2000 IT experts in Sweden, the US, Poland, and Ukraine, has been providing smart solutions to businesses for over 20 years. As a top outsourcing company and part of the Scandinavian technology consulting group, Sigma offers turn-key software product development, custom software solutions, IT consulting, support, big data solutions, and R&D in Extended Reality, AI, and IoT.

SENLA is a fast-growing software development company with a proven track record and 5 EU locations. Our team of 700+ certified technical specialists and managers has large expertise in a full-cycle development from BA to maintenance as well as separate services like QA or UX Audit. For more than 10 years of operation we have successfully completed over 350 projects in FinTech, Healthcare, Manufacturing and other industries. Careful quality control, timely delivery and lifetime warranty have helped us win the loyalty of almost 90% of our clients who have decided to cooperate with us on a regular basis. Services: - custom software development - Web/mobile app development - IT staff augmentation - UX/UI Design - CRM consulting and SI - enterprise app modernization - BI& Big data consulting &SI Get in touch with us and scale your business fast and effortlessly

Bit Zesty is a team of developers, user experience designers, and project managers offering custom software development, support, maintenance, new feature development, and development team extension/augmentation. They support technologies like Ruby on Rails, JavaScript, React Native, React + Vue.js, Python, and Elixir, serving clients across various sectors.

HU Digital Labs specializes in website design, mobile app development, and custom software development, aiming to provide impactful digital solutions and solve creative problems for clients.

RNDpoint, founded in 2014, specializes in developing advanced financial software solutions for banks and FinTechs. With over 250 experts, they offer eWallets, Digital Lending, Artificial Intelligence, and low-code development. Their white-label solutions are designed for digital wallets, remittance apps, and neobanks.

Yalla, a technology company based in the UK, Gaza, and Germany, uses technology to empower diverse communities and create a fairer world through website and app development.

Our global software development company offers custom engineering solutions, based in Ukraine, with representative offices in various countries, including the USA, UK, Germany, Israel, Canada, Australia, and UAE.

Our team of strategists, designers, developers, and project managers creates interactive experiences across various media and devices, including mobile applications, websites, games, virtual reality, and enterprise software. Our cross-sector expertise, user-centered design approach, technical capability, and agile project management ensure reliable, useable, and high-value projects.

We offer a range of services including website development, mobile development, marketing, graphic design, and writing. Our services include PHP Laravel, React JS, Node JS, Angular JS, Webflow, Wix, Wix Velo, WordPress, Shopify, magento,Weebly, and Squarespace. We also provide SEO, social media marketing, and more. Our creative writing services include Amazon affiliate writing, academic writing, social post writing, blog post writing, and website content writing.

Trembit is a tech company specializing in custom video streaming platforms for startups, small businesses, and early-stage startups in the USA, Europe, and Israel. They offer in-depth business analysis, product vision development, and software project delivery. Their expertise includes real-time video streaming systems, video conferencing, live streaming interactive apps, online collaboration, internet messengers, dating platforms, and telemedicine platforms.

Communere Ltd. is a software development and data solutions company that was founded in 2012. It specializes in bespoke software and software development team augmentation, offering high-quality, customized products to companies of all sizes and in a range of industries across the globe. In order to provide the greatest software solutions that meet the particular requirements of every client, we are dedicated to perfection. Our development team specializes in creating scalable, reliable apps that will sustain your company over the long run. We are here to close the gap and offer customized software solutions since we recognize how challenging and unpleasant it can be to try to modify ordinary software to meet your specific needs.

TalentsFromIndia is a cost-saving software solution that allows users to hire developers/designers on a monthly, part-time, or hourly basis. The company focuses on setting industry standards in custom software development, mobile application development, web design, branding, SEO services, and more. Established in 2003, TalentsFromIndia has completed projects across various industries and has a management team with experience in startups and corporate cultures. With 500+ expert professionals, they provide high-end, cross-platform digital solutions for clients, from start-ups to Fortune 500 companies. Their services include software development, web development, mobile app development, desktop development, UI/UX design, and cloud consulting.

Cognition CRM, a UK digital marketing pioneer, is a Google Partner and HubSpot Diamond Partner. They have demonstrated industry expertise and commitment to high-quality services. Their Diamond status is a testament to their commitment to delivering exceptional results and ensuring client success.

Think Apps, a leading provider of SAP Business One solutions, offers tailored applications for web, mobile, and wearable devices. With offices in the UK and Pakistan, they cater to startups and enterprises, ensuring seamless collaboration and exceptional service.

Ficode Technologies Limited is a UK-based company that specialises in the custom development of web and mobile applications. As an ISO 9001:27001 certified company, we have a proven track record of delivering high-quality bespoke solutions. With our extensive experience, we have successfully served clients across various industries including fintech, healthcare, eCommerce, real estate, travel, and more. Our unmatched expertise propels our client's growth and success, exceeding industry boundaries.

This IT-leader provides qualified assistance in designing smart products and adopting the latest technology innovations. In less than a decade, Computools has become a major player in global markets and currently excels at coming up with the best solutions in cross-platform mobile app development. The other sides of Computools’s business activity touch upon the IoT, VR & AR, Fintech, Consulting and Consumer services, and game software development. The company’s approach involves customized consulting during which the client has an opportunity to get a tailor-made solution that fits their high-level goals and business ambitions best. Computools’s brand has been repeatedly awarded for deep expertise and excellent digital solutions many of which were produced in association with numerous European and international enterprises.

Cyber Bee is an IT services company specializing in Web3 & Blockchain and custom software development. With over 7 years of experience, they have built a TOP-15 Web3.0 ecosystem and a Layer 1 EVM-network on Proof-Of-Stake protocol. Their services include blockchain development, blockchain assets, transaction and wallet scanner development, smart contracts, decentralized apps, node deployment, decentralized exchanges, blockchain bridge, metaverse development, NFT marketplace development, web3 & blockchain consulting, software development, and AI and ML development. They also offer a dedicated team and IT staff augmentation.

Based in Maribor, Slovenia, and London, UK, Equaleyes Solutions is a multi-award-winning software development firm. In addition to developing, managing, and maintaining web platforms with millions of monthly users, we also create mobile digital products. Equaleyes has a clear understanding of the situation: You want a development partner who will take the time and money to truly consider your project and assist you reach your product goals. Equaleyes will provide your vision with the passion, commitment, and attention it need to reach its full potential if it is one of boldness, loyalty, and greatness.

Aelum Consulting is a next-generation digital services and consulting firm, having a powerful alliance with ServiceNow. We have deep knowledge and experience in ServiceNow ecosystem. Our specialization lies in cutting though complexity and create end-to-end solutions for your unique needs in digital transformation, automation and AI from specialized skills and tailored solutions. As a ServiceNow Premier Partner, we have our global presence in India, USA, and UK, serving clients across diverse industries, including manufacturing, retail, education, health, energy & utility, non-profit, government, telecommunications, and media. Our team of over 150+ ServiceNow-certified professionals bring comprehensive expertise in ServiceNow Consulting Services, Integration Services, Implementation Services, Managed Services, and ServiceNow Application Services. Our always navigating new possibilities approach has helped us in delivering tailored solutions to SMBs and enterprise-level companies, empowering businesses with agility, automation and innovation at scale. We also offer staff augmentation services to help businesses scale their IT teams with top-tier talent. We are deeply committed in creating digital experiences that make a difference, by understanding your challenges and finding effective solutions that match your goals. Together Aelum Consulting and ServiceNow truly transform in the way you work.

The private sector research and development firm Viapontica AI has its main offices in London and Scotland. Utilizing cutting-edge research, we provide custom software, cloud, machine learning, data, and product and service design solutions.

Indieridge empowers professional service firms, startups, and e-commerce brands to improve their online presence and drive growth. Clients often feel their websites don't reflect their company's quality and uniqueness, leading to concerns about credibility and new clients. They also face challenges in writing insightful thought leadership and attracting new clients. Indieridge is suitable for firms looking to grow, funded start-ups, e-commerce brands, aligning online presence with offline reputation, and brands or agencies.

Timspark is a UK-registered custom software development partner with delivery centers across Europe (Poland, Lithuania, Georgia) and a distributed presence including Latvia. We bring together 1,000+ vetted engineers and 30+ pre-built teams, serving 200+ clients across finance, healthcare, retail, logistics, manufacturing, and more. How we engage We offer Core Teams (pre-built, domain-savvy units with clear ownership), Dedicated Teams, Team Augmentation, full-cycle product development, and technology consulting—so you can choose the level of responsibility and speed you need. What we’re known for Real-time application enablement — low-latency features (e.g., live updates, chat) with Azure SignalR and robust auth patterns. Legacy ? cloud-native modernization — re-platforming (e.g., from JBoss) to AWS/Azure/GCP for maintainability and scale. CI/CD & tooling optimization — pipeline reliability and faster releases (repo migration, Dockerized Bamboo agents). Scalable architecture refactors — microservices & microfrontends, Kafka eventing, Redis caching, optimized SQL, Jenkins. Industrial IoT pipelines — secure MQTT telemetry, Docker on GCP, PostgreSQL for production-grade device data. Selected recent work Microlearning platform — React portal with AWS Cognito, Node.js/TypeScript + MongoDB, Stripe billing; Flutter apps; piloted at a corp. with ~80,000 employees. Game studio acceleration — Unity/C# titles with AWS-backed services; our engineers embedded as part of the client’s team. Carbon-capture IoT — production telemetry on GCP with MQTT, Docker; Python/FastAPI and Looker dashboards for real-time operations. Salesforce OmniStudio QA — E2E testing across policy lifecycles; Angular 17 front-end tests, .NET 8 unit tests; release confidence across US/CA templates. Point-cloud ? BIM automation — deep-learning segmentation (Pointcept) with exports into Revit/AutoCAD/BIM 360; hours-to-days cycle time instead of weeks. Supply-risk analytics for pharma — Snowflake CDW with Talend/dbt pipelines and Tableau dashboards; Cybersecurity platform scale-up — MongoDB ? PostgreSQL migration, microservices/microfrontends, Kafka + Redis, Jenkins CI/CD, React TS; faster queries, safer rollouts, lower infra spend. Technology coverage We work across modern web, mobile, cloud (AWS, Azure, GCP), Salesforce, data/ML (TensorFlow, PyTorch, MLflow), BI (Power BI, Looker, QuickSight, Tableau), and a broad language stack (.NET/C#, Java, Python, Node.js/TypeScript, Go, React, Kotlin/Swift, Flutter).

FortySeven is a European-based software development, IT consulting, and outsourcing company with 500+ IT professionals. They offer complex projects in various industries, including banking, fintech, web3, energy, utilities, and healthcare, and are ISO 27001, ISO 9001, and PCI DSS certified.

Experienced co-founders founded our firm with the goal of offering digital solutions. We offer a wide range of mobile and web app development services that make use of the newest technology thanks to our more than 16 years of experience in the field.

SDLC Corp is a software development company founded in 2015 and headquartered in San Francisco, California, United States. The company operates with a global delivery presence across the USA, UK, UAE, India, Australia, and Canada. SDLC Corp employs 400+ professionals, including software engineers, solution architects, UI/UX designers, DevOps specialists, and technology consultants. The company works with startups, mid-sized & large businesses, and enterprises across multiple regions and industries. SDLC Corp provides custom software development services that include web application development, mobile application development for native and cross-platform environments, artificial intelligence and machine learning solutions, ERP development using Odoo and Salesforce, blockchain development, SaaS product engineering, cloud infrastructure and DevOps services, and game and iGaming development. These services support both new digital product development and the modernization, integration, and scaling of existing software systems. The company offers flexible engagement models such as dedicated development teams, full-cycle product development, and long-term IT outsourcing partnerships. These models are designed to support distributed engineering teams, continuous development roadmaps, and ongoing system maintenance. SDLC Corp serves clients across fintech, gaming and iGaming, healthcare, retail and e-commerce, logistics and supply chain, SaaS and technology, and manufacturing industries. Typical use cases include workflow automation, system integration, data-driven applications, secure transaction platforms, high-traffic digital systems, and enterprise software platforms. SDLC Corp follows structured software engineering practices that include requirement analysis, architecture planning, iterative development, quality assurance, deployment, and post-launch support. By aligning technology implementation with defined business requirements, the company supports operational efficiency, system reliability, and long-term digital scalability.

Sorvox Groups offers comprehensive software development and IT solutions for enterprise-grade systems, technical optimization, and digital transformation, helping businesses overcome technical challenges, scale efficiently, and modernize their digital infrastructure.

F10 Software Solutions is a UK-based digital marketing agency offering a range of services including app development, web development, AWS services, CMS development, and dedicated developer services. With over a decade of experience, the agency has a team of skilled professionals who are committed to delivering exceptional results. F10 Software Solutions can handle large-scale projects and ensure projects are delivered within set timelines and budgets. The agency is customer-focused, working closely with clients to understand their requirements and provide customized solutions. As a trusted partner, F10 Software Solutions is well-positioned to help businesses succeed in today's digital landscape.

Rudo Studio est une agence de conception et développement web située au Royaume-Uni, spécialisée dans la création de sites web inspirants, captivants et remarquables pour les clients B2B. Notre équipe de spécialistes chevronnés en marketing, design et développement s'engage à créer des sites web de haute qualité, marquants et axés sur le produit, adaptés aux besoins spécifiques de nos clients.

Eton Digital is a digital agency specializing in designing and developing social networks, e-commerce applications, CMS websites, and mobile applications, delivering innovative solutions quickly and cost-effectively.

ByteCorp is an AI-powered consulting tech company that operates in the United States, Canada, the United Kingdom, Saudi Arabia, and Pakistan. With a thorough understanding of end-to-end, custom-built solutions, we are able to provide outstanding outcomes for our clients across a range of industries. ByteCorp has demonstrated expertise in the fields of product design and development, artificial intelligence, and blockchain. Some of the industries in which ByteCorp has successfully completed projects include crowd analytics, automated license plate recognition, facial recognition, and AI-powered dashcam for road safety.

Our company provides smart and innovative services to hundreds of clients all over the world. With more than 5+ years of experience developing mobile and web apps, we hire highly skilled and experienced developers, IT specialists, marketers, unity developers, and passionate developers. ? We are the top company that provides solutions in Metaverse, Blockchain, NFT Marketplace, Defi, Play to Earn, Casino Games, Virtual Reality, Augmented Reality, Mixed Reality, Game Development, Web Development, and Mobile Apps Development. With a proven track record in Product Development, we offer a wide range of full-cycle Software Development services. Using our agile collaborative approach, we have successfully provided domain-specific IT solutions that have solved different business challenges.

Wisevision is a well-known global business with engineering centers in the UK, Ukraine, and Poland. Its outstanding professionals are really excited about turning your original ideas into reality. Over 100 experts. Over thirty technologies. The possibilities are endless. With an emphasis on producing outstanding projects of the greatest caliber, enhanced by breathtaking design, we are dedicated to helping our customers reach their objectives and beyond. We will help you at every stage thanks to our well-oiled software development process. We at Wisevision are proficient in a variety of web development projects. We use state-of-the-art technology used in the IT sector to construct both front-end (FE) and back-end (BE) applications. We use the power of Angular and React, two of the most sophisticated and successful frameworks for front-end development. In terms of back-end development, we mostly use Python, Django, and NodeJS (Express, Nest), customizing our methodology to each client's unique requirements and goals. We can utilize our vast knowledge and ability to deliver difficult projects to your IT objectives. We can begin a new project in as little as seven days thanks to our well-established procedures.

Brevity Software Solutions Pvt. Ltd. is a mobile application development and website design company in India, offering a wide range of services including mobile application development, web design, open source development, e-commerce, Microsoft application development, internet marketing, SEO services, travel portal development, event management software, transport and logistics software, enterprise mobility solutions, cloud computing, CRM software development, and booking widgets. Established in September 2010, Brevity combines creativity with high-end technologies to optimize business importance in the international marketplace. Their customer-centric approach ensures scalable and measurable solutions, earning them trust and long-term mutual commitment.

Both completely managed and unmanaged technology services and specialists are available from Zepto Systems. Technical innovation, web development, mobile app development, software quality assurance, customer support, server infrastructure, and cyber security are all included in the services offered. Additionally, they have contributed to the creation, deployment, and maintenance of online retail, CRM, ERP, and CMS applications. With five offices throughout the globe and sizable technology development and delivery teams catered to client requirements, they are able to optimize delivery while drastically reducing and controlling costs by 60%. Complete management consultancy, agency/project delivery, and remote/virtual-employees/resources, where you can use ours or apply your own management, are among their three flexible delivery options.

GAVS is focused on reducing resource usage by 40% and improving user experience by 10X. We accomplish this with our solution, which uses instrumentation, smart machines, and predictive analytics to help enterprises move toward a Zero Incident Enterprise TM. By offering a unified perspective on the state of IT operations, our Zero Incident Framework TM promotes quicker event correlation, noise reduction, predictive insights into potential failures, and automation to address events before they happen.

Dreams Technologies is a digital transformation specialist providing technology and products to global enterprises. They offer consulting services in banking, healthcare, retail, and government sectors. Their team of strategists, innovators, engineers, and leaders has decades of experience in various fields. Dreams Technologies began in 2013 to assist small-scale companies with tailored solutions. Over the past decade, they have evolved into a leading provider of cutting-edge solutions for enterprises of all sizes.

SOKOL DEV is a business model that focuses on developing smart web and mobile applications to cater to organizations' expanding needs. With a team of experts, including web developers, project managers, UI designers, technical writers, and solution engineers, SOKOLDEV aims to help businesses become competitive through digital innovation, outstanding design, and emerging technologies through intelligent apps.

A technological business called LAYOUTindex is revolutionizing experiences and brands to succeed in the global marketplace. For over ten years, we have been a tech-savvy, creative, and competent provider of digital media solutions. In order to succeed on the international scene, our team will design, develop, and implement our customers' goals by combining digital solutions, mobile applications, and audiovisuals. We adapt our design, development, deployment, optimization, and maintenance to your company's needs. With some of the most brilliant ideas and gifted people in the business, we deliver exceptional outcomes to all of our clients worldwide.

Mobile App Experts specialize in mobile app development, website development, custom software development.We build mobile apps that are powerful and easy to use. Our team of experts builds apps for iOS, Android, and other platforms. We create high-performing websites that deliver the best experience across desktop browsers, tablets and smartphones which is vital to ensure your customers find you when they're ready to buy.Mobile App Experts was founded in 2017. Since then we've been providing unique solutions for businesses by combining our expertise in design & UX with our technical knowledge of coding.

AppsNative SaaS Lab is a leading provider of digital solutions, blending mobile and web development. They create native and hybrid apps, web portals, and games, focusing on delivering exceptional products that anticipate client needs. Their team uses AI, blockchain, and intuitive design to enhance user experience and functionality. They engineer secure, user-friendly digital journeys.

Our team offers strategic consultancy, web/app development, and custom platform development services. We provide digital strategy, UX/UI design, website development, conversion rate optimization, SEO support, and hosting. We are open to solving digital challenges and are always open to new connections.

Saving your time is our first focus at ByteQuest Software, and we accomplish it in a unique way. ByteQuest Software offers a ONE STOP SHOP for all of your issues in an era where online purchasing is more popular and consumers are searching for time-saving solutions. We respect your time and address all of your issues and requirements. One of the innovations is ByteQuest Software. It is the result of our imagination. We provide a user-friendly interface because we recognize your demands. Our top goal is to meet all of your demands.

A committed team at Kanoote Soft works with you to help your company realize its greatest potential. Our software engineers and business experts visit your company to assess it and offer assistance with IT issues. Additionally, they will assist you in putting your company on the constantly expanding digital platform. We don't end here. We still provide our services and check in with our clients to make sure their needs are being satisfied. Meeting the demands of our clients is our top focus. We assist you in digitally managing your company as it expands to ensure that you meet market demands.

As a software development partner, Trustify Technology is dedicated to producing high-performing technological solutions. We provide trustworthy offshore engineering services, utilizing the knowledge of IT specialists with over 15 years of experience, with the goal of improving business results and guaranteeing ongoing expansion.

Knarkz Solutions is a UK-based software innovation company that specializes in developing intelligent digital solutions across various industries. Since 2020, they have helped startups, charities, and enterprises turn their ideas into impactful apps, platforms, and systems. Their services include digital product development, AI integration, system integration, payment solutions, smart energy platforms, and business automation. Knarkz is known for its innovative thinking, agile prototyping, trust from startups and SMEs, and proven delivery.