The future of low-carbon materials starts with silica

We developed a breakthrough innovation to produce and transport low-carbon silica. Strategic raw-material to decarbonize key industries around the globe.

lowest prices

on the market

over 130

owned patents

50% less

CO2 emissions

high purity

precipitated silica

HSL Technologies is a deeptech company based in Aix-en-Provence, dedicated to low-carbon silica production with a strong, environmental impact. Our breakthrough technology transforms the way precipitated silica is produced, while at the same time generating hydrogen as a by-product.

Thanks to its safe, scalable liquid form, our innovation can be integrated into existing industrial and logistics infrastructure, reducing the CO2 emissions by 50% through all the value chain.

We help key industrials accelerate their transition to more sustainable materials and energy, while valorizing an high-value hydrogen by-product

Security & QHSE

At HSL Technologies, safety and compliance are at the core of everything we do. Driven by strong leadership commitment, our HSE approach shapes every action to ensure a safe and responsible working environment.

our investors

latest news

Discover the most recent updates, groundbreaking innovations, and expert insights from the ever-evolving world of technology and beyond. In addition, our dedicated news section ensures you’re always informed about the key developments at HSL. Whether it’s industry trends, strategic shifts, or emerging tools, we keep you in the loop, so that, ultimately, you stay one step ahead.