Sargawatt was born in Martinique to respond to a Caribbean challenge: collecting sargassum in volume, at the right cost and while respecting ecosystems, in order to link coastal protection and industrial development.
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Sargawatt was born in Martinique from the observation that sargassum, perceived as a coastal scourge, can become an industrial resource if it is collected at scale, cost-effectively and with respect for ecosystems.
Founded and chaired by Matthieu Bergot, in association with Bruno Sainte-Rose on R&D work initiated at the end of 2022, the company is part of a bluetech trajectory serving the Caribbean.
Guarantee those involved in sargassum processing reliable access to the raw material, while equipping hotels, local authorities and coastal operators with a collection system capable of drastically reducing strandings and associated costs.
In 5 years, structure a decentralized, shareable and economically sustainable collection infrastructure in the Caribbean basin, capable of linking coastal protection, industrial development and local job creation.
An engineer graduated from École Polytechnique and Télécom Paris, Matthieu Bergot has more than 15 years of experience in telecommunications, innovation consulting and strategy. After several assignments in the Caribbean and Guyana and the creation of Tabga, a decarbonization and sustainability strategy consultancy, he founded Sargawatt and has chaired it since 2024.
Centrale Paris engineer and PhD graduate from ONERA, Bruno Sainte-Rose brings to Sargawatt his expertise in modeling, numerical simulation and environmental systems. Having worked with Lemma and The Ocean Cleanup, he has technical expertise directly linked to the issues of drift, collection and management of sargassum.
Sargawatt is based in Fort-de-France, in Martinique, and works with the ecosystem engaged in the protection of coastlines and the valorization of sargassum on a Caribbean scale.
Being established in Martinique allows Sargawatt to remain in direct contact with affected areas, local authorities, private operators, fishermen, laboratories and industrial partners mobilized around the sargassum sector.
It also means taking part in legitimate economic development: transforming a Caribbean problem into locally anchored industrial sector, with jobs, regional partnerships and expertise exportable internationally.
Member of the World Alliance for Efficient Solutions of the Solar Impulse Foundation, which awards its label to technologies with high environmental and economic impact.
The JEI status attests to Sargawatt's R&D commitment and its innovative character.
Sargawatt's proprietary collection technology is protected by 4 patents.
Selected by the French Maritime Cluster to accelerate maritime innovation in France and overseas.
Labeled French Tech 2030 Regionalized in 2026.
Sargawatt continuously invests in R&D. The development of SargaMap, a dynamic mapping system for sargassum deposits, and the work carried out on near-shore and off-shore collection is part of this logic.
Collection technology SargaJet® is based on an innovative principle protected by 4 patents and a number of trade secrets. It is designed to combine high volumes, low cost per tonne and respect for ecosystems.
Collection at sea, high volumes, reduced cost per tonne.
Dynamic mapping of sargassum deposits.
R&D work to strengthen collection regularity.