10+ Top HTML5 Development Firms in the UK - 2025 Reviews

Top HTML5 Development Firms in The United Kingdom

Which one is the best for your company?

Takes 3 min. 100% free
27 firms
Search location
Ratings
Budget

Top Featured HTML5 Development Firms

All HTML5 Development Companies in The United Kingdom

  • 5
    (1 review)

    We help businesses like you thrive online using our custom digital solutions.

    We specialise in app and web development , software solutions , and digital content creation. We work with well-known brands such as Hornby Hobbies and Tarmac as well as celebrities including Jim Moir , and small and medium-sized local businesses. Our clients like the fact that we are responsive, easy to work with, and completely focused on delivering results that make a difference. Web & Mobile App Development – Creating visually stunning websites and building robust, intuitive mobile applications. Custom Digital Platforms – Tailored development of CMS and platforms, including e-commerce solutions (WooCommerce, Shopify, Squarespace). Digital Marketing & SEO – Enhancing online visibility through targeted campaigns across social media, email, web, and search engines. E-learning & CPD Solutions – Development and conversion of CPD and e-learning into online solutions. Content Creation – High-quality image, photography, and video production to support your digital strategy.
    Looking for work in HTML5 Development
    Located in Kent, United Kingdom
    From €1,000 for HTML5 Development
    Worked in Toys (+3)
    Speaks English
    1-10 members
  • 4.8
    (11 reviews)

    ENGINEERING COMPETITIVE ADVANTAGE Award-winning full-service brand consultancy.

    Top awarded
    We're a Full Service Brand Consultancy with offices in London and Preston working with SMEs , corporates , and public sector organisations looking to create awareness , generate engagement , convert opportunities , foster advocacy , attract and retain the best talent , and ultimately build a strong brand . We help Marketing Directors , Sales Directors and business owners in organisations with a real focus on growth or going through a period of fundamental change . We do this by: Helping you understand who you are, your brand DNA , galvanising your workforce around a shared purpose and ensuring how you are perceived is aligned with your ambitions . Getting marketing, sales and delivery teams working more cohesively through effective processes and clarity of their data . Communicating with cut-through by applying behavioural psychology , a flair for storytelling , and strong design across web , print , digital , film , and marketing campaigns . It’s a process we’ve developed called Brand Engineering and we do it because it’s tested, scalable, and consistently gets results .
    Looking for work in HTML5 Development
    Located in Greater London, United Kingdom (+1)
    From €1,000 for HTML5 Development
    Worked in Travel & Leisure (+13)
    Speaks English, Chinese
    11-50 members
  • 5
    (11 reviews)

    Сreating unique products to give others a chance to live out the best experience.

    Highly recommended
    Top awarded
    We’re an expert design & development team, turning product usage into the best experience. We dive deep into every project, exploring it from three angles: business ideas, design thinking, and technology. This is how ambitious 💡 ideas turn into 🚀 successful products. We're experienced in various industries but always up for new 💪 challenges. Check out the domains we've worked with: FinTech, EdTech, eSports, SaaS, and Mental Health. Got something new to add? Let’s create the best digital experience for your business together! 📩 [email protected]
    1 work in HTML5 Development
    Located in Greater London, United Kingdom (+1)
    From €3,000 for HTML5 Development
    Worked in Software & Computer Services (+6)
    Speaks English, Ukrainian
    11-50 members
  • (0 review)

    WE ARE VTS, A BOUTIQUE SOFTWARE ENGINEERING CONSULTANCY FIRM.

    VTS Software is an international technology team that plans, designs and enables bespoke software development and highly secure network solutions. We employ some of the brightest minds in the business to build innovative database systems, desktop- and web-applications and secure network systems, which not only meet our clients' every need today, but anticipate and prepare for the challenges of tomorrow. At VTS every project is a truly collaborative effort. We pride ourselves on building rewarding and enduring partnerships with our clients to support their strategic business goals – often offering support and advice way beyond that of our contractual remit. We have an excellent track record for providing mission critical applications and secure network solutions for the healthcare and financial sectors and are experienced at delivering cost-effective core systems for smaller organisations.
    5 works in HTML5 Development
    Located in Greater Manchester, United Kingdom
    From €5,000 for HTML5 Development
    Worked in Pharmaceuticals & Biotech (+6)
    Speaks English, Polish
    11-50 members
  • 5
    (1 review)

    MVP Development Company

    IOTRIC stands out as a prominent, end-to-end software development firm focusing on MVP and Product x consulting and services. In the last 5 years, we've partnered with 25+ brands mainly start-ups and mid-scale companies in different industries to deliver top-notch software development services at cost-effective rates. We believe our innovative work Culture and approach towards next-gen technologies are what drive and make us one of the most reliable and rapidly expanding companies in the industry. We engage hand in hand with our clients throughout the complete journey, guaranteeing that the software we produce is meticulously crafted to elevate the company's capabilities, empowering them to direct their focus towards making a positive global impact.
    1 work in HTML5 Development
    Located in Gurugram, India (+2)
    From €1,000 for HTML5 Development
    Worked in Hospitals & Healthcare (+2)
    Speaks English
    11-50 members
  • (0 review)

    Your Partner in Digital Success.

    Devignify Studio is a forward-thinking digital agency specializing in Shopify web development and design. We help businesses build high-performing eCommerce stores that are visually stunning, user-friendly, and optimized for growth. Our unique subscription-based model provides clients with ongoing support, updates, and performance enhancements—without the hassle of long-term contracts. Whether you're launching a new store or scaling an existing one, we partner with you to deliver tailored solutions and measurable results. At Devignify Studio, we simplify eCommerce success by combining expert design, seamless functionality, and continuous optimization.
    Looking for work in HTML5 Development
    Located in City of Bristol, United Kingdom
    From €1,000 for HTML5 Development
    Works in multiple industries
    Speaks English
    1-10 members
  • 5
    (1 review)

    Your digital partner.

    Top awarded
    We design and code solutions. Let us convert your strategies into software systems and technology processes that leverage your business success. Our team of UX Designers, Frontend and Backend specialists excels. Solving your unique problem with a slick software product is our mission. Profit from a high degree of flexibility and adaptability in the fast-paced tech environment and stay ahead with xTECH.
    Looking for work in HTML5 Development
    Located in Carthage, Tunisia (+1)
    From €1,000 for HTML5 Development
    Worked in Beauty (+5)
    Speaks English, Arabic(+1)
    11-50 members
  • 5
    (1 review)

    We have the expertise to design & build high-quality, responsive websites and web software.

    Top awarded
    WE ARE CEFAR, WE DESIGN & BUILD WEBSITES We have the expertise to design & build high-quality, responsive websites and web software that seamlessly aligns with your brand, effectively engaging and converting your audience. We are all about breaking the norm. No matter the industry, device, goal or technology platform, our mission is to elevate and enhance every aspact of your business. We are a digital design agency with offices in Leeds and London, our philosophy is a simple one: To achieve your business goals - and enjoy ourselves along the way. The results? Great design that is easy to navigate and tailor-made solutions that are crafted specifically to your business needs.
    Looking for work in HTML5 Development
    Located in West Yorkshire, United Kingdom
    From €2,000 for HTML5 Development
    Worked in Software & Computer Services (+15)
    Speaks English
    11-50 members
  • (0 review)

    Taking your idea to the next level.

    We create immersive brand experiences and innovative solutions through bespoke software, web, and app development, designed for today’s influential businesses and tomorrow’s visionary leaders.
    Looking for work in HTML5 Development
    Located in Greater London, United Kingdom
    From €1,000 for HTML5 Development
    Worked in Transportation (+3)
    Speaks English
    1-10 members
  • 5
    (8 reviews)

    Fourmeta is building for the future now.

    Top awarded
    Welcome to Fourmeta, where innovation meets excellence in the digital realm. As a dynamic full-stack digital agency and a distinguished Shopify Partner, we're here to propel your online presence to new heights. With a comprehensive suite of services spanning design, web development, and digital marketing, we're your one-stop destination for all things digital. Our Commitment to Your Success At Fourmeta, our mission is clear: to empower your brand in the ever-evolving digital landscape. Whether you're a budding startup or an established enterprise, we have the expertise, creativity, and technical prowess to transform your vision into reality. Our Multifaceted Services Design Excellence: Our award-winning designers are masters of visual storytelling. They craft captivating user experiences and visually stunning designs that leave a lasting impression. From UI/UX design to motion graphics, we infuse creativity into every pixel. Web Development Mastery: Web applications are the lifeblood of modern businesses. Our development team specializes in creating robust, scalable, and feature-rich web solutions. From e-commerce platforms to custom web applications, we turn your ideas into interactive digital experiences. Digital Marketing Wizardry: In a world of digital noise, your message deserves to be heard. Our digital marketing experts employ cutting-edge strategies to boost your online visibility, drive targeted traffic, and convert visitors into loyal customers. From SEO to social media marketing, we're your digital marketing partner. Why Choose Fourmeta? Expertise: Our team comprises seasoned professionals with years of industry experience. We're passionate about staying at the forefront of digital innovation and leveraging the latest technologies to benefit your business. Tailored Solutions: We don't believe in one-size-fits-all solutions. Every project is unique, and we tailor our services to your specific needs, ensuring a perfect fit. Customer-Centric: Your satisfaction is our top priority. We're dedicated to providing exceptional customer service and building long-lasting partnerships. Results-Driven: We're not just about pretty designs and fancy code. We're about delivering tangible results that boost your bottom line. Ready to embark on a transformative digital journey? Fourmeta is your trusted partner every step of the way. Whether you're looking to revamp your website, launch a new e-commerce venture, or supercharge your digital marketing efforts, we have the expertise to turn your aspirations into reality. The future of your brand is just a click away. Contact us today, and let's discuss how Fourmeta can empower your digital success. Together, we'll navigate the digital landscape, overcome challenges, and seize opportunities. Join us on this exciting journey to digital excellence. +44 7873 677326 | fourmeta.com | London, UK
    Looking for work in HTML5 Development
    Located in Greater London, United Kingdom
    From €1,000 for HTML5 Development
    Worked in Beauty (+7)
    Speaks English, French(+1)
    51-200 members
  • (0 review)

    Creating the remarkable. Together.

    MindWorks is an award-winning, Hampshire based marketing agency offering strategy and innovation, advertising, brand creative, PR, events and websites.
    Looking for work in HTML5 Development
    Located in Emsworth, United Kingdom
    From €499 for HTML5 Development
    Works in multiple industries
    Speaks English
    11-50 members
  • (0 review)

    A LEADING WEB DESIGN COMPANY

    We are a web design company, specialising in bespoke website design, web development like online portals and admin panels, E-commerce shops, mobile app development and SEO services. In this digital age, a well-crafted website is not just a luxury; it's a necessity for any business to thrive. We are here to help you harness that potential and create a remarkable online platform that truly represents your brand. We pride ourselves on delivering bespoke web design solutions tailored to your unique needs. Whether you are a startup, small business, or an established enterprise, we have the expertise and passion to transform your vision into reality. Our approach to web design goes beyond aesthetics. We believe in designing websites that not only look stunning but also provide seamless user experiences. We carefully consider your target audience, ensuring that every element of your website is optimized for user engagement, accessibility, and conversions. Additionally, we prioritize search engine optimization (SEO) techniques, ensuring that your website is discoverable and ranks well in search engine results. Contact us today, and let us bring your web design aspirations to life. Together, we will create a brilliant online presence that propels your business forward.
    Looking for work in HTML5 Development
    Located in West Midlands, United Kingdom
    From €200 for HTML5 Development
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    We design and build custom software solutions

    We are BN Digital, a team of creators, software engineers, and strategists. We worked with dozens of the world’s largest brands and partnered with hundreds of innovative startups, helping them grow and succeed by unleashing the power of design and technology.
    Looking for work in HTML5 Development
    Located in Greater London, United Kingdom
    From €3,000 for HTML5 Development
    Works in multiple industries
    Speaks English
    51-200 members
  • (0 review)

    Denver's Premier Web Solutions for Local Business Empowering businesses with cutting-edge web design

    Looking for work in HTML5 Development
    Located in Norfolk, United Kingdom
    From €1,000 for HTML5 Development
    Works in multiple industries
    Speaks English, Polish
    1-10 members
  • (0 review)

    The Active Services Digital group of experts will work with you or teach you.

    Looking to grow your brand and increase sales? Our media buying and web development services can help! The Active Services Digital group of experts will work with you to develop and implement customized strategies to boost your online presence, attract more customers, and increase your revenue by further automating your business processes.
    Looking for work in HTML5 Development
    Located in Port Louis, Mauritius (+1)
    From €50 for HTML5 Development
    Worked in Media (+5)
    Speaks English, Arabic(+2)
    11-50 members
  • (0 review)

    We build software that builds your business

    At Evolved Ideas, we solve business problems with bespoke software, expert tech advice, and practical solutions. Whether you're a startup turning ideas into an app, an enterprise optimising existing systems or processes, or a team needing extra resources to get projects over the line, we’re here to help. Our approach is simple: understand the problem, find the best solution, and always deliver value - that’s our purpose-before-profit ethos.
    Looking for work in HTML5 Development
    Located in Leicestershire, United Kingdom
    From €5,000 for HTML5 Development
    Works in multiple industries
    Speaks English, Spanish(+1)
    51-200 members
  • 5
    (18 reviews)

    Make Things Happen

    Highly recommended
    Digitilize Web is a leading Web Design Studio in UK offering Web Design, UI / UX, Logo Design, Branding, Web Development, Ecommerce & Marketplace, Mobile App Development.
    Looking for work in HTML5 Development
    Unknown location
    From €250 for HTML5 Development
    Worked in Accounting (+16)
    Speaks English
    11-50 members
  • (0 review)

    The simple approach for effective solutions...

    Web Design Services from The Royal Borough of Sutton Coldfield, Birmingham Website Design & Web Development, Web & Marketing in Birmingam, London & Manchester
    Looking for work in HTML5 Development
    Located in Birmingham, United Kingdom
    From €1,000 for HTML5 Development
    Works in multiple industries
    Speaks English
    11-50 members
  • (0 review)

    Where Technology Meets Imagination

    Devlinko is a premier provider of website design, development, and digital marketing solutions, dedicated to empowering businesses to thrive in the digital realm. Our expert team crafts bespoke websites that captivate audiences and drive results, while our comprehensive SEO and digital marketing strategies ensure maximum online visibility and sustainable growth for our clients.
    Looking for work in HTML5 Development
    Located in Burton upon Trent, United Kingdom
    From €1,000 for HTML5 Development
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Transforming Visions into Reality: Your Trusted Partner in Custom Software Solutions"

    At 8-u.com, we're not just developers; we're dream builders. Since 2018, we've been pioneering bespoke software solutions that empower businesses to thrive in the digital age. With a team of highly skilled and innovative developers, we breathe life into your ideas, crafting tailor-made applications that exceed expectations and drive success. Our commitment to excellence is reflected in our track record of delivering cutting-edge solutions to a diverse range of clients across industries. From startups seeking to disrupt the market to established enterprises aiming to streamline operations, we've earned a reputation for reliability, efficiency, and unwavering dedication to our clients' goals. What sets us apart is our holistic approach to development. We don't just write code; we immerse ourselves in your vision, understanding your unique challenges and objectives to deliver solutions that are not just functional, but transformative. Whether it's web development, mobile applications, e-commerce platforms, or custom software, we leverage the latest technologies and best practices to create seamless experiences that captivate users and drive growth. At 8-u.com, client satisfaction is our top priority. We take pride in fostering long-term partnerships built on trust, transparency, and communication. When you choose us as your development partner, you're not just getting a service provider – you're gaining a dedicated team invested in your success every step of the way. Join the ranks of our satisfied clients and experience the difference that expertly crafted software can make for your business. Let's collaborate to turn your vision into reality.
    Looking for work in HTML5 Development
    Located in Greater London, United Kingdom
    From €5,000 for HTML5 Development
    Works in multiple industries
    Speaks English
    11-50 members
12

Struggling to choose? Let us help.

Post a project for free and quickly meet qualified providers. Use our data and on-demand experts to pick the right one for free. Hire them and take your business to the next level.


How to Choose the Best HTML5 Development Firms in the UK

In the fast-paced digital world, having a robust, user-friendly website or application is crucial for any business looking to succeed online. Mobile solutions are a core offering of HTML5 development firms, ensuring seamless user experiences across various devices and platforms. HTML5, the latest version of the HTML standard, is the backbone of modern web development, offering enhanced features, improved accessibility, and cross-platform compatibility. Selecting the right HTML5 development firm with extensive experience is key to ensuring that your website or app is cutting-edge, responsive, and effective in engaging your audience. Here’s how to find the best HTML5 development firm in the UK to meet your needs.

What is an HTML5 Web Development Firm?

An HTML5 development firm specialises in building and optimising websites and web applications using HTML5, the most current iteration of HyperText Markup Language. HTML5 is renowned for its capabilities in structuring content on the world wide web, handling multimedia elements, and providing a seamless user experience across different devices and browsers by integrating advanced technologies.

Key services provided by HTML5 development firms include:

  • Custom Web Development: Crafting bespoke websites tailored to the unique needs and goals of your business.
  • Responsive Design: Ensuring that your website is fully responsive and performs well on all devices, including desktops, tablets, and smartphones.
  • Web Application Development: Building dynamic, interactive web applications that leverage HTML5’s advanced features.
  • Cross-Browser Compatibility: Ensuring your website or application works flawlessly across all major browsers.
  • Multimedia Integration: Incorporating audio, video, and other multimedia elements to create engaging and interactive content.
  • SEO Optimisation: Structuring your HTML5 code to improve search engine rankings and drive organic traffic to your site.
  • Performance Optimisation: Enhancing load times and overall performance to ensure a fast, smooth user experience.
  • Mobile Games Development: Creating responsive and engaging mobile games using HTML5, designed for both desktop and mobile platforms, integrating audio and video for an optimal user experience.

These services are crucial for businesses looking to create modern, efficient, and user-friendly digital products.

Extensive Experience of HTML5 Development Firms in the UK

HTML5 development firms in the UK are known for their technical expertise, innovative approach, and commitment to delivering high-quality digital solutions. Here’s what sets them apart:

  • Technical Proficiency: UK firms possess deep knowledge of HTML5 and related technologies, enabling them to build sophisticated and scalable web solutions. Their technical skills encompass a wide range of programming languages and frameworks, making them highly sought after in the recruitment process for IT professionals.
  • Innovation: The UK’s tech scene is vibrant and forward-thinking, with developers constantly exploring new ways to leverage HTML5’s capabilities.
  • User-Centric Design: UK firms prioritise user experience (UX) in their development process, ensuring that websites and applications are not only functional but also intuitive and enjoyable to use. They emphasize the importance of HTML5 in mobile development, enhancing the interactive experience on mobile devices.
  • Compliance and Standards: These firms adhere to the latest web standards and accessibility guidelines, ensuring that your website or app is compliant and future-proof.
  • Collaboration: UK-based HTML5 development firms are known for their collaborative approach, working closely with clients to understand their needs and deliver tailored solutions.

Differentiating HTML5 Development Firms in the UK

With numerous HTML5 development firms across the UK, finding the right partner requires careful consideration. Here’s how to differentiate them:

  1. Portfolio and Case Studies: Review the firm’s portfolio to see examples of their work. Look for diversity in the projects they’ve handled and the complexity of the solutions they’ve delivered.
  2. Technical Expertise: Assess the firm’s technical capabilities, particularly their experience with HTML5 and complementary technologies like CSS3, JavaScript, and frameworks such as Angular or React. Additionally, consider their expertise in creating robust applications and websites tailored for startup companies, emphasizing their ability to scale and enhance IT resources for these new and emerging businesses.
  3. Client Reviews and Testimonials: Check feedback from previous clients to gauge the firm’s reliability, communication, and ability to deliver on promises.
  4. Service Range: Ensure the firm offers the full spectrum of services you require, from initial concept and design to development, testing, and post-launch support.
  5. Project Management: Evaluate the firm’s project management process to ensure they can deliver your project on time and within budget.

7 Key Benefits of Hiring an HTML5 Development Firm for Mobile Apps in the UK

  1. Cutting-Edge Technology: Access to the latest HTML5 features and best practices ensures your website or application is modern and competitive.
  2. Enhanced User Experience: Professional design and development lead to a superior interactive experience, which can increase engagement and conversion rates.
  3. Cross-Platform Compatibility: HTML5 development ensures your digital product, including mobile apps, works seamlessly across different devices and browsers.
  4. SEO Benefits: Well-structured HTML5 code can improve your site’s visibility on search engines, driving more organic traffic.
  5. Scalability: HTML5’s flexibility allows for easy updates and expansions as your business grows.
  6. Future-Proofing: Adherence to the latest web standards ensures your site or app remains relevant and functional in the future.
  7. Ongoing Support: Many UK firms offer ongoing maintenance and support, ensuring your digital product continues to perform optimally.

Why Hire a UK-Based HTML5 Development Firm?

Hiring a UK-based HTML5 development firm comes with several advantages, particularly for businesses operating in the UK or Europe. These firms understand the local market dynamics and can deliver solutions that resonate with your target audience.

  • Local Market Insight: UK firms are well-versed in the preferences and behaviors of local users, helping you create a product that meets their expectations.
  • Effective Communication: Proximity in time zones and cultural alignment make communication smoother and more efficient, which is crucial for complex projects. Additionally, these firms focus on creating robust, cross-platform solutions that cater specifically to mobile devices, enhancing user experiences across various platforms.
  • Regulatory Compliance: UK firms are familiar with European data protection regulations and other legal requirements, ensuring your project meets all necessary standards.

5 Questions to Ask HTML5 Development Firms in the UK

  1. Can you provide examples of similar projects you’ve completed?
  2. What is your experience with creating responsive websites and ensuring cross-browser compatibility?
  3. How do you ensure that the website or application is optimised for SEO and remains user friendly?
  4. What is your approach to project management, and how do you handle deadlines?
  5. Do you offer post-launch support and maintenance services?

Conclusion

Choosing the right HTML5 development firm is critical to the success of your web page or application. By carefully evaluating potential partners based on their portfolio, technical expertise, and client feedback, you can find a firm that will deliver high-quality, user-friendly, and future-proof web pages.

Ready to take your website or application to the next level? Contact one of the UK’s leading HTML5 development firms today to discuss your project and discover how expert development can elevate your digital presence.


Discover what other have done.

Get inspired by what our firms have done for other companies.

Confidas - Fintech SaaS (exit)

Confidas - Fintech SaaS (exit)

Solytic - Website

Solytic - Website

The Blue Renaissance - e-Commerce Website

The Blue Renaissance - e-Commerce Website


Artificial IntelligenceE-commerceGame DevelopmentInnovationMobile AppProduct ManagementSoftware DevelopmentWeb Analytics/Big dataWebsite CreationWeb ApplicationEnglandScotlandWalesBirminghamBristolEdinburghGlasgowLeedsLiverpoolLondonManchesterBelgium (FR)Belgium (NL)FranceGermanyItalyNetherlandsSaudi ArabiaSpainSwitzerlandUnited Arab EmiratesUnited KingdomUnited States