FlowStop
| Private | |
| ISIN | 🆔 |
| Industry | flood protection |
| Founded 📆 | 2021 |
| Founder 👔 | Olivier Guillou Bertrand Sylvestre-Boncheval Alex Cammarano |
| Headquarters 🏙️ | , , France |
Area served 🗺️ | |
| Members | |
Number of employees | |
| 🌐 Website | https://www.flowstop.co/ |
| 📇 Address | |
| 📞 telephone | |
FlowStop is a French company specializing in flood protection equipment, including inflatable flood barriers for building openings.[1][2]
History
FlowStop originated from a flood barrier concept developed by Olivier Guillou in 2019. After a period of prototyping, testing and patent filings, the company was established in 2021.[3]
In May 2023, FlowStop received the Prime Minister's Award at the Concours Lépine, where its inflatable flood barrier ranked second among 371 inventions presented.[4][5]
At the end of 2024, FlowStop launched a distribution company in the US with two offices in Tampa, Florida and in the San Francisco area.[6][7]
In 2025, FlowStop was selected to participate in the Consumer Electronics Show (CES) in Las Vegas.[8]
In 2026, FlowStop announced the opening of a factory in New Hampshire (USA).[9]
Activities
FlowStop produces removable flood protection devices. Its main product is an inflatable flood barrier used for building openings, including doors, garages, sliding glass doors and technical rooms. Manufactured from drop-stitch technical textile materials, the device is secured by pressure against the frame and the ground to limit water infiltration.[10][11]
References
- ↑ "La start-up Flowstop met les maisons à l'abri des inondations". 20 Minutes (in français). 2023-11-09. Retrieved 2026-06-29.
- ↑ Goutorbe, Christian (2023-06-06). "Pyrénées-Orientales : leur invention anti-inondations fait mouche". Le Parisien.
- ↑ "Comment Flow Stop arrête les inondations". La Gazette du Midi (in français). 2022-11-09. Retrieved 2026-06-29.
- ↑ "FlowStop, une entreprise montalbanaise sacrée au concours Lépine, cherche à conquérir de nouveaux marchés". ladepeche.fr (in français). Retrieved 2026-06-29.
- ↑ "Perpignan : la start-up catalane FlowStop sacrée au concours Lépine". lindependant.fr (in français). Retrieved 2026-06-29.
- ↑ "Des Pyrénées-Orientales à la Floride, FlowStop, en pleine poussée de croissance, s'impose avec ses barrières anti-inondation". lindependant.fr (in français). Retrieved 2026-06-29.
- ↑ "Inondation : Flowstop accélère et vise une usine en France". Actualités 66 & Pyrénées Orientales | La Semaine du Roussillon (in français). 2026-03-28. Retrieved 2026-06-29.
- ↑ "Flowstop cible les Etats-Unis avec sa solution anti-inondation". www.latribune.fr (in français). 2025-01-27. Retrieved 2026-06-29.
- ↑ "FlowStop se dote d'une deuxième usine et programme la troisième". www.lejournaldesentreprises.com (in français). 2026-03-18. Retrieved 2026-06-29.
- ↑ Hélin, Lucas (2024-04-11). "Dans l'arrière-pays niçois, une commune s'équipe d'un dispositif innovant contre les inondations". Le Figaro (in français). Retrieved 2026-06-29.
- ↑ "Flowstop, la barrière anti-inondation - ICI". ICI, le média de la vie locale (in français). Retrieved 2026-06-29.
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