Looking for a top ReactJS development company in London?

Open source JavaScript library ReactJS is known as a simple and flexible way to build user interfaces. Facebook maintains ReactJS and was the impetus behind its creation. ReactJS helped Facebook create interactive and dynamic user interfaces while maintaining fast website performance. If this scenario matches your business's needs, consider hiring a ReactJS developer.

To assist you in your search for a partner, we’ve compiled this list of the top React developers in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best London React Development Services

  • 31
    $10,000+
    2 - 9 Employees
    London United Kingdom

    Lemonat is a digital product design agency that was founded in 2012. Their 9-person team is headquartered in London with offices in Istanbul. They offer UX/UI design, web design, and digital strategy services to midmarket companies in the spaces of financial services, arts and entertainment, and e-commerce.

    Clients
    Turkcell
    Fizy
    Vendigo
    Industries
    Notable Project

    Lemonat created a petition website that addressed air pollution for a major environmental NGO. They developed a site strategy, a social media package, and analytics tools to grow and track engagement. The client achieved 54,000 signups despite the global coronavirus disruption, a success for them.

    "With the help of Lemonat's great job we couldn't miss our deadlines." – Engagement Campaigner, Environmental NGO

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  • 32
    $10,000+
    2 - 9 Employees
    London United Kingdom

    Hero Team is a digital agency located in London. Founded in 2018, their services include mobile app and web development in addition to UX/UI design. Their team of 3 works with small businesses.

    Clients
    Berkeley Assets
    Teckro
    Tried And Supplied
    Immersive Interactive
    Notable Project

    Hero Team developed a custom e-commerce website for a creative agency. The platform also includes an informational brochure. They delivered quality work and met project requirements. The team worked hard to ensure everything was done in a timely manner.

    “Having a trusted development partnership on hand is a hugely important tool for our business and changes the scope of the work that we're able to take on.” – Founder, Independent Creative Agency

  • 33
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Old.St Labs is a software development business based in London. The business, founded in 2020, has a team of more than ten that provides custom software development, mobile app development, UX/UI design, web design & development, and AI services. Old.St Labs serves small and mid-market companies in the advertising & marketing, education, financial services, health care & medical, and legal industries.

    Clients
    Kopona
    Brain.Health
    CityMunch App
    Altus Investment Management Ltd
    Industries
    Notable Project

    A social enterprise hired Old.St Labs to develop the prototype of the mobile app of their community-building platform. Old.St Labs designed the prototype and its front end based on the ideas and concepts the enterprise provided. They did the wireframe prototype on the InVision platform. Old.St Labs completed the project and the resulting prototype exceeded the enterprise's expectations.

    "They were able to submit four iterations of the deliverables on the date. They also responded and took on the feedback in the same timeframe." - Co-Founder & CEO, Social Enterprise

  • 34
    $10,000+
    10 - 49 Employees
    London United Kingdom

    GBMF Tech is a London, United Kingdom-based software development company. Launched in [node:field_pp_year_founded:value], the small team focuses on custom software development, web development, mobile app development, and e-commerce development.

    Industries
    Notable Project

    An auditing company hired GBMF Tech for web development and branding services. The team created mockups and asked for approval before proceeding to the next step of the project.

    "They delivered a high-quality product with the purpose and functionalities we requested."

  • 35
    $1,000+
    2 - 9 Employees
    London United Kingdom

    Cloudavity Consulting LTD is a consultancy founded in 2018. Their team of fewer than 10 provides cloud consulting and web development solutions from their office in London. They work with clients in industries such as business services, financial services, and IT solutions.

    Clients
    Keno
    Aesop
    Lendo
    Industries
    Notable Project

    Cloudavity Consulting LTD implemented a cloud-based solution for a vegetable oil company. The company wanted to improve their overall infrastructure’s reliability through the use of cloud technology. The cloud solution currently helps facilitate more straightforward remote work.

    “Cloudavity Consulting LTD is a small company, so they’re able to focus on their clients.” - CEO, Vegetable Oil Company

  • 36
    $1,000+
    10 - 49 Employees
    London United Kingdom

    Vevol Media is an e-commerce development firm. They are located in Kildare, Ireland and have a small team. Their services include e-commerce development, ux/ui design, conversion optimization, digital strategy, and more.

    Industries
    Notable Project

    An e-commerce business hired Vevol Media for e-commerce development. The team aims to increase the conversion rate by revamping the website using a Shopify theme, enhancing user experience, and working on CRO.

    "We find their yes-can-do attitude impressive."

  • 37
    $5,000+
    10 - 49 Employees
    London United Kingdom

    Founded in 2016, Rudo Studio is a full-service UX/UI design agency based in London. They also provide web design and product design services. Their team works with both small and midmarket businesses. 

    Clients
    Voyager World Wide
    Nicon
    SupplyCompas
    Fidus Information Security
    Industries
    Notable Project

    Rudo Studio worked with a sustainable fashion tech startup to build a new WordPress website. Their work resulted in a 400% increase in leads. 

    "Rudo Studio understands our brand guidelines and is really receptive to our feedback." – Head of Marketing, Fashion Startup

  • 38
    $1,000+
    2 - 9 Employees
    London United Kingdom

    Agile Digital Agency is a marketing technology agency based in London. The agency has a team of less than ten that provides email marketing, SEO, and other digital marketing services to small and midmarket companies and institutions.

    Clients
    Net2Work
    Quizvideo
    Wingx
    HRC Culinary Academy
    Industries
    Notable Project

    Agile Digital Agency was hired by a Digital Marketing Agency to provide web development services for itself and for several of its clients. It also provides technical consultancy services should any issues arise. Through the engagement, the Agency's website is now live and the Agency's clients are happy with Agile Digital Agency's work and gave positive feedback. 

    "Their stringent processes ensure that nothing falls through the cracks. They’ve been able to get a lot done in a short amount of time." - Internal Team Member, Digital Marketing Agency

  • 39
    $10,000+
    2 - 9 Employees
    London United Kingdom

    O'Dwyer Software is a London-based software company founded in 2014 with a team of more than two experts. They specialize in web development, custom software development, and application testing for clients ranging from small businesses to large firms.

    Clients
    Babylon Health
    Sky
    Mozilla
    Industries
    Notable Project

    O'Dwyer Software developed a dashboard for a computer software firm. The firm needed an internal system that managed their CI data, which was to be used for all their projects. O'Dwyer Software helped improve their tool, which was met with positive feedback.

    “They asked the right questions to make sure they were producing the right thing the first time.” - Team Lead, Computer Software Firm

  • 40
    $1,000+
    2 - 9 Employees
    London United Kingdom

    TH-EY is a development agency in London, England. Founded in 2017, they have about 8 employees that serve clients in a variety of industries. Services include custom software development, web development, and mobile app development.

    Clients
    Launchworks
    Own-Kind
    pixable
    First Ascent
    Industries
    Notable Project

    TH-EY developed a website for a rental community platform. Their team worked on the frontend design and also provided ongoing support. The client is happy with the website and gave it positive feedback.

    “I’m impressed with how well they contribute to solving our business problems and ways around certain issues. They think outside the box on projects and even on certain features.” – CEO, Rental Community Platform

  • 41
    $5,000+
    2 - 9 Employees
    London United Kingdom

    WeCodePlus is a London-based development agency founded in 2018. Their team of approximately 3–4 employees mostly serves small businesses across a variety of industries. Their specialties are web design and development, but they also provide Android and iOS development. 

    Clients
    WeAreAube
    MyMoveGuru
    PanaceaOnline
    Industries
    Notable Project

    WeCodePlus developed the website of a sustainable fashion company. The team worked hard to integrate e-commerce functionalities while ensuring a smooth UX/UI. Their work enabled the business to launch their digital business on time and has received great feedback.

    "They had a high and professional standard." — Co-Founder, Sustainable Beauty & Fashion Store

  • 42
    $10,000+
    2 - 9 Employees
    London United Kingdom

    The Beaverhead Ltd is a London-based development studio. Founded in 2014, their team of fewer than 10 specializes in custom software, mobile app, and web development services. They primarily serve small to midmarket businesses.

    Clients
    Big Lazy Panda
    MVLS Digital Pty Ltd
    CCB Events
    Squeeze Technology
    Industries
    Notable Project

    The Beaverhead Ltd provided web development services for an events-based social network company. The team produced an MVP, offering expertise from design to hosting. They successfully delivered, meeting the company’s expectations. 

    “The Beaverhead took care of the whole process of creating task and project management.” — Product Owner, Placepark

  • 43
    $1,000+
    10 - 49 Employees
    London United Kingdom

    Founded in 2018, Neural Soft Solutions is headquartered in London with another location in Lahore, Pakistan. Their team of 12 employees provides mobile app development, web development, and UX/UI design for enterprise, midmarket, and small businesses. They focus on business services, financial services, health care, and medical industries.

    Industries
    Notable Project

    Neural Soft Solutions built and designed a Wix site for a nonprofit. They were in charge of the front- and backend development. The team also crafted content for the client's platform. The team was readily available and delivered satisfaction.

    "I was satisfied with their work, stance, and just the fact that they were readily available." –Consultant, Nonprofit

  • 44
    $25,000+
    10 - 49 Employees
    London United Kingdom

    AK Full Auto is a software company based in London with more than 10 employees. They have offered web development, mobile app development, and web design solutions since their founding in 2018. They mainly work with small and mid-market firms.

    Clients
    Appeaser
    Industries
    Notable Project

    AK Full Auto developed a mobile app for an app development company. The company needed to build a scientific graphing calculator app. The app is now one of the most popular of its kind on the Android store.

    “Communication is fine. We have regular weekly calls through Google Meet, WhatsApp, or video calls. AK Full Auto is good with that part of the communication.” - Founder, App Development Company

  • 45
    $1,000+
    2 - 9 Employees
    London United Kingdom

    Lab3 Apps is a development agency founded in 2015 with no more than 10 employees. They offer mobile app development, UX/UI design, and web development solutions from their office in Christchurch, New Zealand. They primarily work with small businesses.

    Clients
    Whitebait Media
    New Zealand Institute of Management and Leadership
    Student Volunteer Army
    Industries
    Notable Project

    Lab3 Apps provided frontend development solutions for an insurance policy platform. Lab3 Apps handled the frontend needs of the local platform. The platform continues to work with Lab3 Apps on potential improvements to the systems.

    “It's a small but growing team that think and operate like a startup.” - Technical Product Manager, Insurance Policy Platform

  • 46
    $25,000+
    10 - 49 Employees
    London United Kingdom

    Core Blue Ltd is a software engineering company based in London with an office in Plymouth, U.K. The company, founded in 2015, has a team of less than ten that provides custom software development, mobile app development, web development, and IoT development services to various companies.

    Clients
    Kuoni
    Move Mee
    Haulfryn
    PayPoint
    Industries
    Notable Project

    An online learning platform company hired Core Blue Ltd. to build their platform. As part of the engagement, Core Blue Ltd. did market research to identify the gap in the market and then designed the platform based on their findings. They developed the platform using a React framework, focusing on making the UX/UI friendly to the children who will be using the platform. The platform was completed and has been attracting a significant amount of traffic.

    "I was very impressed with the quality of their work. They clarified our ideas and made sure they knew exactly what we wanted." - Founder & Director, Online Learning Platform Company

  • 47
    $10,000+
    50 - 249 Employees
    LONDON United Kingdom

    ICterra is a midsize software development firm. Located in ANKARA, Turkey; München, Germany; LONDON, United Kingdom and ISTANBUL, Turkey, the company was founded in 1991. Their services include custom software development, application management & support, Artificial Intelligence, IoT development, and more.

    Industries
    Notable Project

    ICterra provides ongoing application management and support for a telecommunications company. The team handles the design, implementation, and maintenance of the client's license management system components.

    "We had no problems in communication, coordination, and regular updates with any team members during the project."

  • 48
    $10,000+
    10 - 49 Employees
    London United Kingdom

    STAKK is a London-based mobile app company founded in 2020. With fewer than 50 employees, they specialize in mobile app development, web development, and UX/UI design for clients that work in various industries, such as IT, business services, and the government.

    Clients
    The British Museum
    Moms Beyond
    Apocalypse Survival Training
    Industries
    Notable Project

    STAKK built a mobile app for a jewelry marketplace. The platform had an in-house team for their web and mobile site, but their customers were requesting a mobile app. Beta testers of the app have given positive feedback on the app.

    “...they met most of our deadlines, and if they didn’t there was a very good reason why that was.” - Co-Founder & CTO, Jewelry Marketplace

  • 49
    $5,000+
    50 - 249 Employees
    London United Kingdom
    Phaedra Solutions is a top software development company with 4 locations worldwide and over 7 years of making great software. Phaedra Solutions is a full-cycle software development firm that specializes in cutting-edge engineering solutions for startups and business owners. We develop large-scale enterprise applications for businesses to develop robust software architecture.
    Clients
    Penorama
    Travelsmeet
    Food Karma
    Mvintage
    Industries
    Notable Project

    Phaedra Solutions developed custom software for an injury law firm. They created and continue to manage enterprise applications for the client. They also oversee the hiring of development talent. They've successfully met and managed the client's expectations.

    "Phaedra worked to find the right team members for my project and insured it's success." — Software Architect, Injury Law Firm

  • 50
    $5,000+
    50 - 249 Employees
    Stanmore United Kingdom

    Satva Softech is a software company in Stanmore, United Kingdom, and Ahmedabad, India. Founded in 2016, they have about 10 employees that serve mostly midmarket and enterprise clients in the IT, e-commerce, and education sectors. Services include custom software, mobile app, and web development.

    Clients
    Car Washer UK
    NOCN
    Cordoba Rewards
    Currencies4You
    Industries
    Notable Project

    Satva Softech provided cross-platform app development for a business services company. Their team implemented a marketplace, payment processor, and in-app messenger tool. The solutions had 12,000 users within 6 months.

    “They often go above and beyond to work additional hours, and even weekends to help solve the issues.” – Co-Founder, Business Services Company

  • 51
    $5,000+
    2 - 9 Employees
    London United Kingdom

    Digiruu is a digital firm founded in 2016 run by a team of fewer than 10 professionals. Based in London, the company lends their expertise in mobile app development, UX/UI design, and web design to clients ranging from startups to large enterprises, working in various industries such as consumer products, advertising, and media.

    Clients
    Mental Wealth Matters
    Housing Disrepair Centre
    FindMe
    Industries
    Notable Project

    Digiruu worked with a children's book app developer to develop the app itself. Digiruu handled iOS development of the app and currently provides ongoing maintenance for it. Digiruu was also able to find an illustrator for the app, which helped provide illustrations for the book.

    "They help single-person operations and small businesses just starting out and don’t charge high prices, which is what I needed. A lot of the bigger companies I did go to were a lot more expensive because their focus was more on medium to large companies." - Founder, Children's Book App Developer

  • 52
    $5,000+
    2 - 9 Employees
    London United Kingdom
    Passio is a small user experience agency. The Edinburgh, United Kingdom-based company was launched in 2016. Their team provides ux/ui design, mobile app development, product design, web design, and more.
    Industries
    Notable Project

    A membership organization hired Passio to help them design, develop, and evaluate three web-based applications. The team also helps with the apps' user journey mapping, information flow visualization, and more.

    "Their approach to accessibility is amazing and they will respond to any level of request for support with patience. "

  • 53
    $1,000+
    2 - 9 Employees
    Harrow United Kingdom

    Aventussoftware is a software house founded in Harrow, England in 2020. With more than two experts, they offer custom software, web, and mobile app development solutions to clients in the industries of advertising, arts, and business services.

    Clients
    Estride
    Industries
    Notable Project

    Aventussoftware designed a WordPress website for an analytics platform. The platform had an extensive backlog and needed assistance. Aventussoftware completed the requirements on time.

    “They were sending the regular update report, communicating regularly through Google meet or Phone and delivering all work on time in given estimation.” - Director, Analytics Platform

  • 54
    $1,000+
    2 - 9 Employees
    London United Kingdom

    Web Buds is a web design agency based in London. The agency, founded in 2016, has a team of less than ten that provides SEO, web design & development, digital strategy, UX/UI design, e-commerce development, social media marketing, and graphic design services to small companies. 

    Clients
    Whitehall Property Management Ltd.
    Southern Gas
    True Access
    Asante
    Notable Project

    A healthcare learning platform company hired Web Buds to develop their website. Web Buds also created automated mechanisms that would enable clients to purchase and complete courses online, do a post-course assessment, and generate named certificates for those who pass. The website met all expectations.

    "They would always find a way to create systems and make the ideas work." - Owner, Healthcare Learning Platform Company

  • 55
    $5,000+
    10 - 49 Employees
    Hertfordshire United Kingdom

    JANETO is a software company headquartered in Ho Chi Minh, Vietnam with an office in Providence, R.I. Founded in 2014, the team of 21 specializes in web development, mobile app development, and graphic design. They work with midmarket and small businesses, focusing on business services, retail, and e-commerce.  

    Clients
    Wow! Kids
    POLYGON
    eGov
    Industries
    Notable Project

    JANETO worked with an emoticon social media platform to develop an application for Android. They created an app that features backgrounds and emoticons that can be used in text messages and developed a calendar to release new emoticons for users. The client was impressed with their ability to make the client’s ideas a reality. 

    “They brought our idea to reality. They were quite cost-effective compared to what others quoted. They were easy to work with. Given the language barrier, they were great communicators.” – Director, Emoticon Social Media Platform

  • 56
    $1,000+
    2 - 9 Employees
    London United Kingdom

    Passionate, a web design company, was established in 2018. The firm focuses on web design, ux/ui design, logo, custom software development, and more and has a small team.

    Notable Project

    Passionate is developing a website and providing hosting for a biotech company. The team is tasked with website amendments from time to time, and hosting advice.

    "Their responsiveness was most impressive."

  • 57
    $1,000+
    2 - 9 Employees
    London United Kingdom

    Hoxton Digital is a programming agency based in London run by a team of 4 professionals. They offer their expertise in custom software, web, and mobile app development services, as well as SEO solutions that focus on content development, link earning, and local search. They are familiar with Ruby, JavaScript, and Redux, among other programs.

    Clients
    BuildSG
    SERDRAGA
    Down To Play
    Notable Project

    An SaaS provider subcontracted Hoxton Digital to redesign some key pages of their company website. Response rate for the provider's recent marketing campaigns have improved since the redesign.

    "They’re incredibly willing to iterate on the output. We went through multiple loops with them and they made minor changes throughout. They were quite invested in making sure we ended up with exactly the finished product we were looking for." - Co-Founder, SaaS Provider

  • 58
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Custom software development firm Levels.Digital was launched in 2020. They are headquartered in London, United Kingdom and have a small team. Their services include custom software development, ux/ui design, Artificial Intelligence, mobile app development, and more.

    Industries
    Notable Project

    Levels.Digital has provided web development services for media production companies. They've been revamping the website for one of the companies, and for the other, they've focused on the frontend development.

    "Levels.Digital is straightforward and honest."

  • 59
    $1,000+
    10 - 49 Employees
    London United Kingdom
    Xtreme Web Tech is a small branding company launched in [node:field_pp_year_founded:value]. Their team specializes in branding, social media marketing, search engine optimization, web design, and more. The company is based in London, United Kingdom.
    Industries
    Notable Project

    A travel agency hired Xtreme Web Tech to provide web development. They built and currently maintain the client's site using PHP and WordPress. They also implemented APIs to other traveling pages.

    "They’re a great company with a lot of expertise."

  • 60
    $1,000+
    10 - 49 Employees
    London United Kingdom

    Looming Tech, an app development company, is located in Sofia, Bulgaria and London, United Kingdom. The agency offers mobile app development, web development, custom software development, e-commerce development, and more and has a small team.The agency was founded in 2020.

    Notable Project

    Looming Tech revamped a website for a management consulting company. The team restructured the whole page, provided additional content pages, and resolved previous complexities.

    "They had amazing pricing and were great people to work with."

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NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

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