Organizational Chart of Sirehna
Decision makers at Sirehna by function
Marketing
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Directeur Commerce et Marketing Directorsp@sirehna.comGet the verified email
Finance
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Director of Finance and Administration Directorsd@sirehna.comGet the verified email
Tech & product
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Responsable du Département Simulations Couplées et Outils Managersg@sirehna.comGet the verified email
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Responsable de DĂ©partement Modelling and Simulation In Hydrodynamics Managersp@sirehna.comGet the verified email
Other functions
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Head of Maritime Environment Perception Directorsr@sirehna.comGet the verified email
Team Structure headcount by department
How to prospect Sirehna's departments
Technical
This is where the company's largest headcount sits (57 people). Skip the marketing speak: these decision makers expect precise use cases, documentation and a quick proof of value.
Other
The company's second-largest department (13 people). Hard to read from the outside: use a first exchange to map who does what before pushing an offer.
Project Management
This department counts 8 people. Methodology debates are constant here: anchor your pitch in their existing framework rather than against it.
Finance
3 people work in this department. Timing matters here: approach them around budget planning cycles, when arbitrations are actually open.
Operations
A team of 3 people. Operations leaders live in the concrete: a pilot scoped on one process will convince more than a demo.
Sales
This department counts 3 people. Talk numbers (conversion, cycle length, pipeline coverage) and you will get their attention quickly.
FAQ Sirehna
Who runs Sirehna?
The highest-ranking leadership role identified at Sirehna is âDirector of Finance and Administrationâ, based on public data updated 25 Oct 2026.
How many decision makers does Sirehna have?
6 decision makers identified.
How do I contact a decision maker at Sirehna?
Verified emails and phone numbers are available in Zeliq, with free credits at sign-up.
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Engineering Services · France
About Sirehna
Sirehna is a Engineering Services company, based in France. Established in 1986, it employs approximately 200 people. As part of the broader Professional Services sector, Sirehna operates specifically in the Engineering Services segment. Sirehna is a B2B company, primarily serving business clients and professional organisations. The company generates approximately âŹ11M in annual revenue. This profile compiles key information about Sirehna, including industry, size, location, business signals, and B2B contacts, to help sales teams qualify the account and identify the right decision makers before reaching out.
Activity & Market
Sirehna operates in the Engineering Services segment, part of the broader Professional Services sector. As a B2B company, Sirehna primarily serves business clients and professional organisations. In terms of structure, it is registered as âPublic companyâ.