Rivoyre Ingénierie

Leading Specialists in Composite and Aluminum Structures

Let’s start by pointing out that this was not a new product at Metstrade - and it was the only one. However, it was one of the most inspiring encounters at the 2025 edition, perhaps because Rivoyre Ingénierie is one of those discreet companies that are rarely noticed or maybe one you’ve never heard of.

Rivoyre Ingénierie

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Published 27/11/2025

By Véronique Largeau

Issue: SP25

Published: dec. / jan. 2026

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Yet this design office, founded over 30 years ago in Valbonne in the south of France, plays an essential role in the construction of modern multihulls. As Hervé Tanneur, the company’s CEO, sums it up: “Since 1990, we’ve been the link between architects and shipyards. Our job is to optimize each part to reduce stress, manage weight, and facilitate construction. These are very concrete points, but they are what make the difference in the long run. And we also ensure that our choices are in line with cleaner boating.” Rivoyre Ingénierie’s expertise does not stop at new boats. In refit, the firm works on sensitive areas where safety and durability require precise diagnosis. Recalculating a mast, localized reinforcement, optimizing davits, fatigue analysis of a connecting arm, repairing a stressed structure: these are often overlooked operations, but they are crucial for the (long and peaceful) life of a multihull. Rivoyre Ingénierie is involved in an impressive number of multihull programs. Projects range from 50-foot cruising boats to super-catamarans over 110 feet long, including semi-custom and entirely one-off models.

www.rivoyre.com

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