Oppida is an independent audit and consulting firm whose mission is to help companies evaluate and strengthen their information systems.

Oppida was born in 1998 when our founders Eric, Olivier and Hervé met and pooled their complementary skills around a single project.

Our values

 guillemets  Since the beginning of this adventure, we have made it a point of honour to bring real expertise to our clients, to take pleasure in what we do and to pay attention to our teams. This can be summed up in three words: expertise, pleasure and benevolence, which are still our daily philosophy today. guillemets 

 

Eric D.
Managing Director

Management team
Eric Dehais
Eric DEHAIS
Managing Director and Founder
Commercial engineer in an ISS, with a Master's degree in business management
Management team
Eric Dehais
Eric DEHAIS
Managing Director and Founder
Commercial engineer in an ISS, with a Master's degree in business management
Management Team
Hervé Hosy
Hervé HOSY
Co-founder
Military engineer, seconded to the ANSSI
Management Team
Hervé Hosy
Hervé HOSY
Co-founder
Military engineer, seconded to the ANSSI
Management Team
Olivier Mary
Olivier MARY
Co-founder
Civil engineer, contractual within the ANSSI
Management Team
Olivier Mary
Olivier MARY
Co-founder
Civil engineer, contractual within the ANSSI
 guillemets At the time, at the ANSSI, we were already working on SSI projects to raise awareness among ministries and administrations. We were carrying out demonstrations of computer attacks that were in great demand, to the point that our hierarchy asked us to stop because they thought that this was leading to "training hackers"... Moreover, we could not advise companies that were beginning to have needs for advice and training in SSI. That's where the idea of setting up a company in the field of ISS (now cybersecurity) came from.  guillemets 

 

Olivier M. & Hervé H.
Co-founders

400
Missions per year
45
Employees
6.4
Millions of euros
turnover in 2021
guillemets  I knew Olivier from his previous job. When Hervé and Olivier presented their project to me, I was immediately attracted. Moreover, I knew what I didn't want to do: an ISS that just sends out CVs to its clients. It was a good thing: that wasn't their objective either!  guillemets 

 

Eric D.
Manager Director

They

trust us

Logo Airbus  Logo Air France  Logo BNP paribasLogo Bouygues  Logo CNES

Logo ClemessyLogo Crédit Agricole  Logo Enedis    Logo Eutelsat

Logo Jaguar  Logo LCLLogo RATP  Logo RTE

Logo Orange      Logo SFR  Logo SNCF  Logo Société GénéraleLogo Thales

Why

choose Oppida?

1

A "tailor-made" offer

Expertise, assessment and consulting services to manage your digital risks.
""

A trusted third party

The approvals and accreditations obtained are all guarantees that help to ensure the absence of external pressure and the confidentiality of the work carried out.
3

Recognised expertise

Oppida is PASSI LPM qualified "information systems security audit providers qualified for national security purposes".