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Semdas

SEMDAS is a mixed-economy company focused on territorial development in Aunis and Saintonge.

Architecture and Planning
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Headquarters
La Rochelle, Nouvelle-Aquitaine, FranceSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Founded
1982Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
1 supported appearance ↗Source: RevenueBase lists
The company at a glance

What does Semdas do?

SEMDAS was established in 1982 at the initiative of the Charente-Maritime Departmental Council. SEMDAS works across project stages, from feasibility studies through final delivery.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

SEMDAS supports local authorities and private companies in Charente-Maritime.

What the business offers

Services & capabilities.

Project studies, development and construction

SEMDAS supports the design and delivery of projects involving studies, development or construction.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWSemdas listed #11 on Public-private partnership firms, September 19, 2026Open the published source list.
Semdas

#11 Public-private partnership firms

Snapshot: September 19, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 19, 2026. How the company lists are built.

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