Navigate towards excellence

Innovative marine solutions

ABOUT

And your project sets sail...

With Keys4Sea, your innovative maritime project becomes a reliable industrial product, ready to sail and to meet your customers’ expectations.

Aware of the demands of a taugh and unpredictable environment, we rely on complementary sources of expertise and the best skills to take in charge :

Our expertise is especially focused on the field of autonomous craft, marine drones or Unmanned Surface Vessels (USV).

Keys 4 Sea

The synthesis of many naval expertises

Keys4sea (K4S) is an engineering company that provides an interface between industrial capabilities and customer needs, particularly in the field of maritime drones.

In this sector, R&D requires the coordination of skills in fields as varied as robotics, mechanics, hydrodynamics, communications and many others.

What makes K4S unique is the way it brings together :

The tools developed in this way have a wide range of applications, for example:

Since 2023 K4S holds a manufacturing, selling and intermediation authorisation (AFCI*) granted by the French Defence ministry.

*AFCI : Autorisation de fabrication, de commerce et d’intermédiation)

A team of enthusiasts dedicated to creating your marine products

Keys4Sea is a team, even a crew, bringing together industrialists, specialists in maritime operations, sailors and engineers to study, develop and promote innovations in the maritime field.

"Les pieds dans les bottes de mer, les mains sur le fer à souder, la tête dans l’innovation" (Trad: Feet in the seaboots, hands on the soldering iron, head in innovation)
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Guillaume d'Arcimoles

Président
A former marine commando and founder in 2008 of Prolarge, a service company dedicated to the management of complex maritime operations, Guillaume is passionate about making the most daring ventures at sea possible. He knows how to bring together the talents needed to exploit the multiple resources of this sometimes hostile environment, while integrating and respecting its constraints.
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Vincent Hidden

Business development director
With solid nautical experience as a clearance diver, Vincent then took an engineering degree and an Executive MBA to create HHC, a company specializing in interventions in high-risk environments. A born entrepreneur with a passion for innovation, he is the ideal partner for creative people in the maritime industry, helping them turn their projects into viable products.
Contact & FAQ

Any question ?

The K4S founding team has been using, designing and manufacturing marine equipment for many years. We have come to realize how difficult it is for a manufacturer or an "inventor" to bring together all the expertise required to bring a project or an innovative idea to fruition.

Bringing together these skills and managing their collective effort is in itself a costly and time-consuming process. It is this rare know-how that K4S offers its customers

K4S takes mainly in charge  the industrial project management, and also owns complete plans for "ready-to-build" support equipment that can be adapted as required and ordered from specialized yards, taking into account the payloads for which they are intended.

K4S specializes in the development and reliability of the carrier/payload assembly. It can build prototypes with the help of project partners.

K4S is then in a position to set up and manage the industrialization of the assembly in conjunction with the most appropriate manufacturers.

K4S is a partner for :

- an institution looking for a solution to carry out its mission at sea
- a naval industrialist looking for partners
- an inventor looking to make his invention operational

K4S provides the keys that enable a "paper" project to take to the sea without taking on water, and above all to be rapidly operational at the best cost to meet the needs of the end customer.

There are four such keys:

Design - Development - Industrialization - Marketing

The overall vision and coordinated management of each of these stages is a guarantee of success for the project designer and a guarantee of reliability for the customer.

As for the choice of english language, this is a "marketing" decision that meets the requirements of markets that are mostly international.

Carol Oliveira
5/5
cta

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