In the fast-paced digital age, having a basic website isn’t enough. You need speed. You need innovation. You need technology that doesn’t just work—it wows. That’s where Hexium comes in. A modern, forward-thinking digital agency, Hexium specializes in building powerful web platforms, mobile applications, and AI-enhanced software that help businesses grow, scale, and lead.

What Is Hexium?

Hexium is a French digital development agency that builds tailor-made digital products for companies across Europe and beyond. Founded in 2020, Hexium operates remotely, with a highly skilled team spread across major French cities including Paris, Lyon, Marseille, Lille, and Toulouse. Their mission? To build fast, scalable, and high-quality digital platforms that bring ideas to life.

Why Choose Hexium?

Choosing a development agency isn’t just about code—it’s about finding a partner who understands your vision. Hexium is different because they:

  • Build from scratch—no templates, ever

  • Deliver most projects in under 20 weeks

  • Offer a free 3-month warranty post-launch

  • Have in-house experts for design, development, and strategy

  • Use modern tools and tech for top-tier performance

Hexium’s team is lean, experienced, and deeply invested in your success.

Custom Web Development

Websites today aren’t static brochures—they’re interactive hubs that drive engagement, collect data, and fuel conversions. Hexium uses cutting-edge frontend tools like React.js, Vue.js, Next.js, and Astro to create blazing-fast, dynamic web experiences. Whether you need a SaaS dashboard, corporate portal, landing page, or B2B platform, Hexium can deliver.

Mobile App Development

Need a mobile app that works on both iOS and Android? Hexium uses React Native to build cross-platform apps with one codebase, which means faster delivery and lower cost—without sacrificing performance. The result? Smooth, native-like apps that users love to use.

UI/UX Design That Converts

Your digital product is only as good as the experience it delivers. Hexium’s design team takes a user-first approach. They begin with research and wireframes, evolve into high-fidelity UI mockups, and test every interface to ensure ease of use. Every button, every color, every transition—designed to make the user journey seamless.

Artificial Intelligence Integration

Hexium is more than just a dev shop. They’re pushing boundaries with AI-powered features. From smart search functions and recommendation engines to chatbots and predictive analytics, Hexium builds applications that learn and adapt in real time.

Custom CMS and E-Commerce Development

Managing your content or online store should be simple and stress-free. Hexium uses headless CMSs like Strapi, Sanity, Storyblok, and Contentful to build backend systems that are easy to use and lightning fast. For e-commerce, Hexium works with Sylius, a modern open-source solution ideal for custom online stores.

Hexium’s Tech Stack

Hexium’s engineering team uses a carefully chosen set of tools to ensure every product is fast, scalable, and future-ready:

  • Frontend: React.js, Vue.js, Next.js, Astro

  • Backend: Node.js (Nest.js), PHP (Symfony, Laravel)

  • CMS: Strapi, Sanity, Storyblok, Contentful

  • E-commerce: Sylius

This tech stack allows Hexium to build nearly any type of platform, tailored to your unique needs.

Industries That Hexium Serves

Hexium has worked with clients across diverse sectors, including:

  • Aviation

  • Finance and Banking

  • Retail and Luxury Brands

  • Healthcare and Wellness

  • SaaS Platforms

  • Entertainment and Media

They’re versatile, quick learners, and capable of diving into complex business models.

Clients Who Trust Hexium

Some of the biggest names in Europe have partnered with Hexium to build their digital platforms:

  • Air France

  • Hermès

  • Qonto

  • TF1

  • Crédit Mutuel

  • TotalEnergies

These brands trust Hexium not just for execution—but for innovation and long-term vision.

What Clients Say

Client feedback speaks volumes about Hexium’s quality and professionalism:
“The result was better than expected. Smooth collaboration and high performance.” – Air France
“Great delivery, strong team. We’ll definitely work with Hexium again.” – Hermès
“They’re fast, flexible, and always a step ahead.” – Qonto

Hexium’s 5-Step Workflow

Every Hexium project follows a structured, agile development process:

1. Discovery

First, Hexium listens. They learn about your goals, target users, and business model. Then they map out a custom development plan.

2. Design

The UI/UX team begins by wireframing key features and building clickable prototypes. These are tested and refined before development starts.

3. Development

Agile sprints ensure that features are built iteratively, with weekly updates and demos to keep you in the loop.

4. QA & Testing

Hexium’s QA engineers test on multiple devices and browsers to ensure the product is bug-free, fast, and secure.

5. Launch & Warranty

After launch, Hexium offers a 3-month warranty, fixing bugs and tweaking performance to ensure everything runs smoothly.

Remote Work, Real Results

Hexium is a remote-first agency, which means you get the best talent regardless of location. Communication is crystal clear via Slack, Notion, GitHub, and Zoom. Weekly stand-ups, shared project boards, and open channels ensure you’re always connected.

Eco-Friendly Development

Fast-loading websites aren’t just good for SEO—they’re good for the planet. Hexium builds lean, optimized applications that use less server power and load faster, reducing your carbon footprint and boosting your Core Web Vitals.

Eligible for French Tax Credit (CII)

If you’re a French business, you can benefit from the Crédit d’Impôt Innovation (CII) when working with Hexium. That means up to 20% of your project cost may be reimbursed by the French government if your product qualifies as innovative.

Who Should Hire Hexium?

Hexium is perfect for:

  • Startups that need an MVP or prototype

  • Mid-sized companies launching a new product or mobile app

  • Enterprise firms modernizing legacy systems

  • Creative agencies needing a white-label tech partner

  • Non-technical founders looking for a full-service dev team

If you’re serious about building a digital product that stands out, Hexium should be on your shortlist.

What to Expect When Working with Hexium

  • Clarity from Day 1

  • Custom-built solutions designed for long-term scalability

  • Responsive communication every step of the way

  • High performance across devices

  • Post-launch support with real accountability

Hexium isn’t just about shipping code. They’re about building digital success stories.

Conclusion

If you’re looking to create a website, mobile app, or AI-powered platform that actually makes an impact, choose Hexium. With a rock-solid team, cutting-edge technology, and a process that keeps you informed and involved, Hexium delivers digital products that are smart, scalable, and user-friendly. From the first sketch to the final launch—and beyond—they’re with you every step of the way.

FAQs

1. Is Hexium only for French companies?
No. Hexium works remotely with clients across Europe and globally, including the UK, Germany, and the US.

2. How long do projects take?
Most Hexium projects are completed in 6 to 20 weeks, depending on scope and complexity.

3. What if I need only design or backend services?
Hexium offers modular services. You can hire them for just design, frontend, backend, or the full stack.

4. Do they provide support after launch?
Yes. All projects include a 3-month free warranty for bug fixes and minor changes.

5. How do I get started with Hexium?
Visit https://www.hexium.io and schedule a free consultation. From there, their team will guide you through next steps.