Municipal, National and Rural Police, Gendarmerie, Customs

As a leader in law enforcement vehicles, Gruau has converted over 35,000 vehicles for the police, gendarmerie, municipal police, customs, and civil security in France. From marked vehicles to unmarked cars and specialized vehicles, Gruau works closely with the technical teams of police services to develop solutions that meet the technical and safety criteria expected by law enforcement agencies.


From 3.5-tonne to 44-tonne vehicles, Gruau offers custom solutions for your intervention vehicles. Gruau conversions optimize the layout and usability of your firefighting vehicles to facilitate all your operations.

Available on various chassis types (Renault Trucks, Iveco, Fuso, Mercedes, Volkswagen, DAF, MAN, Nissan, Volvo, Scania), we guide you every step of the way, from analysing your needs to delivering the vehicles.


Gruau group supports the armed forces by customizing armoured rescue vehicles.

Whether for armoured vehicles or logistics vehicles, Gruau Group carries out various conversions for the Ministries of Defence and Army Health Services.

Specializing in commercial vehicle upfits, our experts design and create specific layouts for advanced armoured medical vehicles and light tactical medical vehicles.

We also provide transport vehicle conversions for law enforcement and border surveillance.

Prison Service

Our experts are here to assist you in designing and creating your inmate transport vehicles.

Gruau Group offers a comprehensive range of vehicles specifically designed for inmate transfers. With a wide selection of options available, you have the flexibility to customize your vehicle to meet your exact requirements.

Our conversions are meticulously crafted in collaboration with you, taking into account the unique challenges and regulations of correctional facilities. We prioritize the safety and comfort of administrative personnel throughout the process.

Private Security

Whether you need marked vehicles, unmarked cars, or specialized vehicles, we work closely with the technical teams of the Interior Security services to develop solutions that meet the exact technical and safety criteria expected by law enforcement agencies.