Hoffmann Green: a partnership to integrate marine calcium carbonate from scallop shells into 0% clinker cement
Hoffmann Green Cement Technologies has entered into a partnership with CSBT Environnement, a French company specializing in the recovery of scallop shell husks. The agreement aims to integrate marine calcium carbonate derived from this waste into the manufacturing of 0% clinker cements produced by the Vendée-based group.
A waste stream from the fishing industry integrated into clinker-free cement
The partnership announced on August 26, 2026 brings together Hoffmann Green Cement Technologies (ISIN FR0013451044), which designs and markets clinker-free cements, and CSBT Environnement, specialized in the recovery of scallop shell husks.
According to the press release, the fishing industry generates significant volumes of shell husk waste each year, the landfilling and incineration of which are prohibited. CSBT Environnement transforms them through a mechanical fine grinding process, without the addition of chemical products.
This process makes it possible to obtain marine calcium carbonate with a purity of 99%, reduced to a very fine particle size, compatible with industrial applications in the construction sector. Hoffmann Green will integrate it into its 0% clinker cements.
Regular and structured supply between the two partners
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The integration of marine calcium carbonate into the formulation of 0% clinker cements results from innovation work aimed at integrating a bio-based material with the technical requirements of the group's binders.
In this context, CSBT will ensure regular supply of raw material to Hoffmann Green, structuring a value chain between the two companies. The marine calcium carbonate produced by CSBT is intended for several sectors, including agriculture, construction, cosmetics, pharmaceuticals and plastics.
Julien Blanchard and David Hoffmann, co-founders of Hoffmann Green Cement Technologies, indicated that this partnership illustrates the group's ability to integrate alternative raw materials from the circular economy, and that it is part of its decarbonization strategy.
Gilles Bégué-Turon, Chief Executive Officer of CSBT Environnement, stated that the agreement aims to transform a local waste with no solution into an industrial resource, by structuring a complete value chain from collection to processing.
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SectorEmballage, papier, bois›Papier & emballage
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Context
Period
Period: S1 2026
Key reported figures
Revenue: 6,6 millions d'euros
Quarterly revenue: 6,6 millions d'euros
Revenue growth: 86,7 %
EBITDA: -6 millions d'euros
Net income: -9,2 millions d'euros
Guidance from the release
The Company is focusing its resources on accelerating its commercial development in order to achieve its operational break-even target by the end of 2027.
Risks mentioned
French concrete market remains in sustained decline, decreasing 21.2% between 2021-2025 despite company growth
Persistent operating losses with negative EBITDA of €5.9 million in H1 2026 despite revenue growth
External expenses rising significantly due to international certification costs and transport costs linked to production doubling
Opportunities identified
Nearly 40,000 tonnes sold in H1 2026, representing 104% growth year-on-year and 5x growth versus H1 2024
First tangible effects of mass production enabling raw material savings of €2.9 million in H1 2026, projected to reach €7.5 million by end of 2026
Acceleration of international roll-out with exclusive agreement in Netherlands and completion of first US project, plus 11 partnership agreements signed
Outlook / guidance
Management commentary: Hoffmann Green poursuit sa forte dynamique commerciale en 2026, avec un niveau d'activité traditionnellement plus élevé au second semestre. La Société confirme ainsi son objectif de production de 100 000 tonnes de ciment 0 % clinker en 2026. Dans ce contexte, Hoffmann Green projette 7,5 M€ d'économies sur le coût des matières en 2026.
The information presented in this article is provided for informational purposes only and does not constitute an investment recommendation, an incentive to buy or sell a financial asset, or investment advice. Readers are invited to conduct their own research before making any decision.
Investments in the stock market involve risks, including the risk of capital loss. Past performance of an asset or market is no guarantee of future results. Any investment decision should be made taking into account your personal financial situation, objectives and risk tolerance.
