Top JavaScript Web Development Companies in United Kingdom

We could write a long, boring (or attractive) story about our successful cases and the experts who work on our team, but we won't. We don't tell stories, we give you results from the first day you sign a contract. Just write us and you will see the difference in approach between us and other agencies.

We’ve worked with a number of clients who specialize in the financial, professional and membership sectors to deliver creative, beautifully designed and well-implemented solutions that meet and exceed their digital needs.

ClerksWell is an award-winning digital agency and gold partner of Microsoft 365, Sitecore and Umbraco, soon to celebrate 25 years of technical innovation and client success. As an award-winning transformation agency, we succeed by solving complex digital problems and finding smart solutions. Check out our services to see how we can help your organization achieve its goals.

Competition is fierce out there – your customers hold you to increasingly high standards. And the market is changing, too. You have to stay on top of it all, from new channels to altered consumer behaviors. We’ll help you find revenue streams that range from incremental to disruptive, refreshing and evolving, to fulfil your customers’ unmet needs, which might mean new products, expanded offerings or an entirely different business model.

Founded in 1993 and with roots in Belarus and the United States, EPAM is a New York Stock Exchange listed company (NYSE: EPAM) that leverages its rich software engineering expertise to become a leading company of global product development, digital engineering, and cutting-edge digital product design. EPAM relies on its years of evolved software engineering strength, innovative strategic planning, professional IT consulting services and design capabilities to help clients transform complex and changing business challenges into profitable business opportunities through innovative design and next generation solutions in close partnership with its clients. EPAM’s global team provides original solutions to clients in more than 35 countries and regions across North America, Europe and Asia Pacific.

Recognized by several of the world's top independent research institutes, EPAM is one of the most recognized market leaders in many field. Since 2013, it has been named as one of only four companies of "25 Fastest-Growing Public Companies in Technology" of Forbes for consecutive years. The company also topped Fortune magazine's "100 Fastest Growing Companies" list of 2019 and 2020 respectively. EPAM’s clients span the industries of finance, tourism and consumer goods, high-tech, media & entertainment, life sciences & healthcare, as well as are involved in enterprise technology development and applications, cloud computing and big data. With a unique engineering culture and a tenet of continuous high quality delivery, EPAM focuses on all-round skill enhancement and development of employees.

We harness the power of our consultancy & design talent, alongside our data expertise, to work out where we can provide value & address your unique needs.

JustCoded provides FinTech web & mobile app development services. We offer services for financial institutions, banking businesses, and peer-to-peer lending startups. Contact us for more information.

We create digital web solutions for tech startups and established businesses in online investment, crowdfunding, real estate, travel, and art sectors.

With the mission to transform the traditional financial industry and deep expertise in the crowdfunding niche, we build financial solutions to our clients from the UK and Europe: crowdfunding, P2P lending, and other investment platforms. Our goal is to help you build the product from the ground up and overcome challenges with tech and business guidance, involvement, and support at every stage of the journey.

AAlogics offers a wide range of Magento extensions along with the best Magento developers and ios/android developers. We have a range of expert, professional, and certified Magento developers.

AAlogics is a Magento development company. We also provide the best range of magento extensions at the best price.

With us you don’t have to worry about the result, no matter how ambitious your goals are. That’s why we rate the quality of our service so high.

Adsbalance is the fastest growing marketing agency in Europe with clients from all over the world. We are part of Fmedia. Our agency brings together more than 250 advertising specialists. Our experience in user engagement allows us to achieve both high volumes and perfect KPIs. We also produce creatives (as a service) and do publishing.

Verified client review: 'Eastern Peak is very flexible. They're like a partner in terms of thinking and creating new concepts, new features, and new ideas.'

The Europe’s top developers, designers and strategists.

Founded in 2010, we build custom software for startups, mid-size businesses and large enterprises, helping them reach their full potential and increase profit.

DPD, Western Union, Gett, Fly and other global companies rely on our custom web and mobile solutions in their day-to-day operations.

Our offices: London, Tel Aviv, Kharkov, Larnaca

Our principles: We keep your ideas safe; We’re easy to work with; We deliver on-time.

Web Development

• Business websites and blogs
• Community portals and e-learning systems
• Web platforms

Technologies and Tools:

Front-end: HTML5 & CSS3, Angular JS; Back-end: Node js, Ruby on Rails, PHP, Python, .NET; CMS: WordPress, Magento, Drupal, Joomla

Mobile Development

• iOS apps
• Android apps
• TV apps (Roku, Apple TV, etc.)
• Cross-platform apps

Technologies and Tools:

Native: Objective-C, Swift, JavaScript, Android SDK, Java, C/C++; Cross-platform: React Native, Xamarin, PhoneGap, Unity, Sencha Touch; TV: BrightScript, TVMLJS

Other services:

• UI/UX, Graphic Design
• Software testing
• Technical Support 
• Marketing Support
• Technology Consulting 

We offer full product lifecycle support to startups, established businesses and offer specialist consultation to businesses competing in regulated industries, such as challenger banks.

Hustle is a new company with some experienced heads. Our team have held senior positions in the digital growth sector for more than 50 years combined. And they’ve worked with some brands you might recognise, including Disney, BBC, Next, The Co-operative Bank and Direct Line.

We’re an outcome-focused creative agency that loves making and growing beautiful, powerful, and user-focused digital products.

Kainos provides digital technology solutions and Workday deployments that allow organisations and people to work smarter, faster, better. Find out how we work with government and finance as well as offer a full range of Workday HCM technology services.

Kainos Group plc is a high growth, UK-based provider of IT services, consulting and software solutions.

The Group specialises in the development of digital technology solutions; software design and agile software development; third-party software integration and implementation services; automated testing services; technology support services; and related ancillary services such as project management, all provided across multiple sectors.

Mutations Limited is a group of experienced technology experts who are proficient in full stack software development, security audits, app design, mobile app development, product management, QA testing and more.

We are problem solvers that leverage software to help your business grow sustainably. We’ve designed apps, worked with businesses to better understand their users, and helped our clients win contracts and secure funding.

Shout specializes in digital products and experiences, combining research, analysis and ideas with technology and creativity to solve your business problems.

With more than a decade of digital experience, our teams think for you. And as a business, we’re here to make your life easier by staying one step ahead so you stay relevant and competitive in your evolving market.

Split An Atom is a multi-award winning British integrated marketing agency offering the services your business needs. Get a bespoke marketing strategy now.

Split An Atom is a multiple award-winning integrated marketing agency with digital, content, and public relations at the forefront of all our work. We provide companies and individuals with the best service possible.

We work with companies of all sizes, from bootstrapped start-ups to Fortune 500 companies. We work with government and healthcare, globally. We also work with tradesmen and creators, including music artists, YouTubers, streamers, and photographers.

Are you looking to start a new business, or give your current one a facelift? Unsure how monetise your existing audience? Not sure how to deal with the demands of the constantly changing ways to stay in touch with your customers? Concerned about potential revenue streams not being explored? Need someone that can provide you with the brilliant marketing that your new product or service deserves?

Your search is over. Welcome to Split An Atom.

Split An Atom is an integrated marketing agency with digital, content, and PR at the forefront of all our work. Our work is distinct and forward-thinking.

Passionate about growth and business development. Entrepreneurial mindset. I am a customer-focused professional. Looking for a software development partner?

In Code We Trust! Build a high-quality product with our product designers and software engineers professionals. We are a software development company that helps businesses grow. The Codest team consists of admirers of modern technologies. In love with Ruby, Rails, Java, JavaScript, React or Vue.

Experts in Product design and development. Whether you’re building something from scratch or improving an existing product, our design and development consultants have you covered.

We are a team of designers and developers that make web and mobile applications for our clients. We aim to create great user experiences powered by well-made software.

During the sales process, we will seek to understand the jobs your users need to be done. When we start a project, we'll typically run a product design sprint where we create and test a prototype with real people in the first week.

We then design and code while focusing on quality and maintainability. We work iteratively and deploy working code regularly. We have no project managers. Everyone you hire is a designer or developer.

Web Design Company, Small Business Website Design Services in West Sussex serving locally and woldwide including London, Horsham, Geneva, New Zealand, France, UK

Delivering custom, feature-rich web development, and design, and CRM software development services to help global brands across diverse industries accelerate and empower businesses with digital transformation.

Based on proprietary pioneering business models of Offshore Dedicated Team® and Remote In-Sourcing®, an advanced Technical Debt Reduction Platform (TETRA™), and measurable SLAs for software engineering, Intetics helps innovative organizations capitalize on global talent with our in-depth engineering expertise based on our Predictive Software Engineering framework. Intetics core strength lays in the design of software products in conditions of incomplete specifications. We have extensive industry expertise in Education, Healthcare, Logistics, Life Sciences, Finance, Insurance, Communications, and custom ERP, CRM, Intelligent Automation, and Geospatial solutions. Our advanced software engineering background and outstanding quality management platform, along with an unparalleled methodology for talent acquisition, team building, and talent retention, guarantee that our clients receive exceptional results for their projects. At Intetics, our outcomes do not just meet clients' expectations, they have been exceeding them for a quarter of a century.

We enable businesses to reach their full potential with our Custom software development. The aim is to revolutionize the technology landscape by assimilating it with Artificial Intelligence and Machine Learning.

We build iOS Apps, Android Apps, Websites, AR Apps, IOT Apps, Cognitive personal assistants, AI powered chat bots, Apple TV Apps, Apple Watch Apps, Alexa skills and custom software. We solve your problems with efficient and affordable solutions. Our developers are extremely well versed in their technical backgrounds, and our global presence allows us to work quickly and effectively with clients.

3rdDigital is a leading website and app development company where you can find your desired result for your business. We have a team of website and mobile app developers who successfully accomplished more than 200 projects. We are your one-stop solution provider of website and mobile app development services agency in Northern Ireland & the USA. Our cross-functional team of developers, designers, testers, ERP, and CRM Specialists work together to bring value to your business.

We write beautiful web applications that are durable and free of defects in workmanship.

8th Light is a software consultancy that is passionate about building productive long-term partnerships with its clients, its employees, and the software community.

Our team of multi-disciplined software professionals are experts in applying the principles and practices of software craftsmanship in all different languages and frameworks. Whether training in a classroom setting, developing in our Studio, or embedded inside of client teams, we follow principled processes that prioritize the long-term health of the software.

Our innovative Modern Apprenticeship Program emphasizes hands-on learning curated by a working professional, and prepares developers from a wide range of backgrounds to have long careers on our team as professional developers and consultants.

8th Light promotes the idea of software craftsmanship by organizing and hosting events, talks, and conferences. You can view some of our past MeetUp talks on 8th Light’s YouTube page.

How to become a software craftsman

At 8th Light, we craft software—from web applications to robotics—that is beautiful, durable, and shows pride in workmanship.

We are skilled.

We have expertise in a variety of programming languages. We offer a suite of services designed to meet the needs of your web, mobile, and embedded projects.

We are agile.

We iterate rapidly to deliver on time and under budget. To ensure success we program in pairs, drive development through tests, and continuously integrate.

We are principled.

We maintain partnerships with clients that are meaningful, respectful, and productive. We'll listen closely to your needs, and work hard to exceed your expectations.

We are educators.

We offer apprenticeships that will push the limits of your knowledge, and help prepare you for a career in software development.

We are a web design company. We love to deliver professional websites.  You will get a professional web design at an affordable price. You will get a website with the capability to evolve alongside your needs. Our main principle: Deciding on and building the right foundations. Many web developers make a big feature of their top-notch programming capabilities; we look upon ours as building blocks. What matters to us, and to you, is not the fact that we have a stack of those building blocks sitting in our offices waiting to be used. What matters is that we know how to use them to build a website that is going to work for you. Without fuss, bother, or complications. Reliably, consistently, effectively.

We are a mobile app development team based in the heart of England. We are proud to have designed, built and applied many applications which have increased the reach – and enhanced the sales – of our clients. We do so by being open, friendly and creative: we will conduct a conversation with you, and figure out how to build what you need.

We would love to be your long-term partner who takes the development process off your shoulders. Est. since 2005, our mission is to build longstanding partnerships to help deliver disruptive technology into the B2B & B2C marketplace. Strong background in creating apps & software for various sectors:

• Business/membership organisations
• Medical & mental health
• Charities
• Lifestyle
• Social networking
• Utilities

SERVICES:

• Digital product road mapping/prototyping
• App Development (Native & Hybrid)
• Website Design & Development
• Hosting
• E-commerce
• Business process systems
• E-learning
• As well as complex database-driven Content Management Systems

We love the challenge, and always happy to chat about new projects and ideas.

We build vibrant, digital-first brands that differentiate in a crowded market. We design innovative products and services that exist at the centre of consumers’ lives. We accelerate technical development as an extension of our clients' engineering team.

We are a national app development company serving companies and individuals throughout the UK. With offices in Leicester (Midlands) and Central London we can deliver high quality mobile apps for companies all over the country. We specialise in creating bespoke iOS, Android and Web apps. Our technical team are happy to talk you through any project you may have in mind. Whether you are looking for an enterprise app, or you are a budding entrepreneur, we can help. We enjoy working closely with clients ensuring they are happy at each stage from design to launch.

We're your digital agency. At AtomicMedia, we work alongside you and your business to drive growth, develop solutions, and deliver sustainability. Whether it's a new app, website, or digital marketing - we've got you covered. Services include:

• App development
• Digital marketing
• Web design
• Video production

awesome. are a full-service branding, marketing and digital agency based in Barnsley & Sheffield, South Yorkshire. We support startups, SMEs and enterprises to achieve their business goals, grow alongside them and form an ongoing partnership for success. If we’re putting our name alongside things, it has to be nothing short of what it says: awesome. Here’s a selection of what we do: ☞ Branding & Communication We craft brands that fit your mission, vision and values. Our services range from consultancy, strategy and identity creation to logo and brochure design. ☞ Web & Software Development We create memorable digital experiences. Our expertise lies in custom integrations, apps, CRM, CMS and more. ☞ Website Design Our beautifully crafted websites raise your profile, build trust and most importantly wow your customers. ☞ Photography & Video The photos and videos you broadcast should tell its story and distinctive features. We plan, capture and process quality content, which opens a window into your brand. ☞ Email Marketing We’ll make your emails stand out with clever copywriting, eye-catching creative design and strong calls to action to achieve a great customer reaction. ☞ Startup Packages Branding & web packages designed for new businesses and startups. Our packages include responsive WordPress websites, custom logo designs, social media toolkits and more.

Ballyhoo prides itself on creating websites that improve your online profile and increase sales. Our ethos is that being online should be hassle-free so we'll do our best to ensure that we take of everything you could possibly need, from creating a website you'll be proud of to providing professional web hosting, ongoing support and online marketing.

Betley Whitehorne Image is a creative communications agency acclaimed for its creative thinking and intelligent design. We bring together several key disciplines including, creative, digital, marketing and PR into something we call interdisciplinary design. It’s at the core of everything we do. Our team communicates across all departments and locations, working to get the very best results and to ensure our clients’ messages are spoken with a single voice.

BIGZIEL Technologies is an innovative and trustworthy software development company that delivers phenomenal digital transformation and includes Business Intelligence in your business. Headquartered in Chennai - India, BIGZIEL has been providing exceptional digital services for more than 4+ years. With a wider reputation, BIGZIEL has gained global clients who are very pleased with software solutions that are shared by the company. The apps and platforms developed by BIGZIEL have gained more scope than the company holds experienced developers from the industry. Users will be provided with customizable and scalable platforms that can support their growth into the future.

BIGZIEL is renowned e-commerce, mobile apps, and software development company and provides a complete service that supports your digital business.

software Development, Ecommerce website development, Mobile app development

Blueberry Consultants is a private limited software development company, formed in 1997 by the current Managing Director, Martin Green. The Blueberry team is made up of highly-qualified, talented and innovative IT professionals each with their own area of expertise. Their experience spans the full range of custom software development, from small entrepreneurial projects to complex systems for major corporations.

At BlueStar Nottingham, we design and develop bespoke business software that runs from a web browser. There's no need to install software onto devices and the it will run on a wide variety of browsers including smart phones and tablets. We will keep you involved with every stage making sure that the product is moving in the direction that is best for you and your business.

Bluetel create flexible, web-based software to prepare your business for whatever’s around the corner. Founded in 2005 as a technical web agency, we take your vision and engineer functional, user-friendly solutions. We have a wealth of experience building content managed web solutions, coding e-commerce sites, and producing fully bespoke web software. We work closely with our clients to deliver solutions that meet their business needs for today and for tomorrow.  

Bombinate Web Design is based in the bustling Milton Keynes and proudly provide web design services to local businesses in Milton Keynes and throughout Buckinghamshire. We are also very happy to serve a range of neighbouring businesses in the surrounding counties of Buckinghamshire, Northamptonshire, Oxfordshire, Bedford, Hertfordshire, Berkshire, as well as appreciating our work with customers in the Greater London area.

Boxhead is an independent design and development practice founded by David Sorley. A selection of our clients includes Land Securities, Opera North, Grand Theatre, Newfrontiers, ManvsMachine, Citu, Greenbean Cars, Munro House, Imperial College London, Leeds College of Art, Evangelical Alliance, Christians Against Poverty, Vineyard, The Methodist Church, Foundation SP. Box-head provides branding & strategy, Digital product UX and design, digital product and service development.

We code custom web software such as web apps, mobile apps and websites.

Cefar, a digital design agency. We focus on developing insightful and memorable visual communication that generates results. Today's brands need effective social media presence, we'll help you be part of the conversation.

We are a customer-centric mobile and web development company, by the name of Centricweb. We develop amazing mobile apps for your business or start-up for a variety of goals including a new digital product, brand enhancement, process improvement, mobile marketing, customer loyalty, sales growth, and eCommerce to name a few. We offer an end to end service; From brainstorming and wireframing to design, development, testing, delivery and support, Centricweb takes huge pride in delivering only the highest quality products and service tailored to your unique needs and circumstances at the most competitive price. For small and medium businesses, we offer an accelerated delivery track of mobile apps which are based on industry vertical templates. The purpose of such apps is to grow your business and provide a simple way to reach new and existing customers, promote services, provide discounts and offer brand loyalty.  It usually takes about 4 weeks from your purchase order date, to deliver this kind of APP and make it available on Apple and Google App Stores.

chilliapple is an award-winning IT solution & digital transformation services agency. It was established in 2008 as an initiative to satisfy the excessive eCommerce & IT services demand in the UK & other European nations with quality solutions and at competitive pricing.

chilliapple is an award-winning web and app development agency. It was established in 2008 to satisfy the growing demand for high quality eCommerce & digital solutions at affordable and fair prices. chilliapple is a team of over 70 experienced IT engineers, project and account managers and consultants to design, build, enhance and support fledgling and growing digital business.

From off-the-shelf to bespoke development, we provide dedicated developers for Magento, WooCommerce, Shopify, Prestashop, MEAN/MEARN stack, and Digital Marketing solutions. Alongside our cost-challenger position, we continuously invest in our people to be at the forefront of the next technology and focus on delivering what your business needs, without time-wasting or unnecessary jargon, to ensure we maximise digital performance and your bottom line.