Sustainable fuels, made in Switzerland.

A sustainable-fuels producer building a decarbonised future for Swiss industry through the local production of HVO, SAF and Bionaphtha.

Who we are

A Swiss sustainable-fuels producer built for the energy transition.

Operating from the CIMO site in Monthey, Helvoil brings together production, sustainability and compliance expertise.

What we do

Four sectors, one mission.

Drop-in fuels produced today for aviation, road, marine and other industries.

  • Air

    Producing certified SAF to help aviation meet its decarbonisation objectives.

  • Road

    HVO that immediately reduces emissions from any road transport.

  • Marine

    Biofuels that reduce the environmental impact of vessels on Swiss lakes and rivers.

  • Others

    HVO for hard-to-electrify sectors, and Bionaphtha as a low-carbon industrial feedstock.

The refinery

The first Swiss biofuel refinery.

By 2029, Helvoil aims to lead Switzerland’s transition to next-generation renewable biofuels from its refinery in Monthey.