Joël Séché

Joël Séché

Net worth: 461 M $ as of 29/06/2026

71 year
Industrial Services
Finance
Transportation

Profile

Joël Séché is the founder of Séché Environnement SA, founded in 1981, serving as Chairman since 2019.
Mr. Séché is the founder of Alcea SASU (Nantes), founded in 2012.
Current jobs include Chairman of Groupe Séché SAS, Chairman of Mecomer SRL, Chairman of Depo SRL, Director of Tredi Environnement SA, Director of Pari Mutuel Urbain SA, Director of Solarca SL, Director of 3AB Optique Expansion SAS, Director of SCI F2L, Director of Soluciones Ambientales Del Norte SA, Director of Kanay Sac, Non-Executive Director of Spill Tech Pty Ltd., Director of Ciclo SA, Manager of Cimarosa Investissements SAS, Manager of Galilée Partenaires SC, Manager of Cimarosa Tubes, Manager of Société Civile Immobilière Etoile, Manager of La Croix des Landes SCI, Manager of Les Chenes Secs SCI, Manager of Mézerolles SCI, Manager of SCI la Montre, Manager of SCI de la Censie, Manager of SCI Saint Kiriec, Manager of Sci La Perrée, Co-Manager of SCI Mauryland, Manager of Galilée Partenaires II, Manager of Cimarosa Media, Manager of Cimarosa II, Manager of SE Wagram, Manager of Moussecarie, Manager of SCI Capri, Manager of Société Civile Equa, Manager of Firoki, Manager of SCI Carmel, Managing Partner of AlphaOmega SC, Manager of Sci Les Chenes Secs, and Manager of Sci De Mezerolles.
Former jobs include Chairman & Chief Executive Officer of Altamir Gérance SA, Chairman of Saur SAS from 2008 to 2012, Chairman-Supervisory Board of Altamir SCA from 2007 to 2015, Chairman of Seche Eco-Industries SAS, Chairman of Séché Éco-Services SAS, Chairman of 3AC Finance SAS, Chairman of Séché Alliance SASU, Chairman of Alphaomega Foundation, Chairman of Séché Transport SAS, Director of Tredi SA, Non-Executive Director of Interwaste Holdings Ltd., Director of Taris (Peru), Principal of Copernic SAS, Member-Supervisory Board of Holding d'Infrastructures des Métiers de l'Environnement SAS in 2012, Manager of Amboise SAS, Manager of Longchamp SAS, and Member-Supervisory Board of Thom Group SAS.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
01/06/2026 5,070,293 ( 64.53% ) 461 M $ 29/06/2026

Joël Séché active positions

CompaniesPositionStart
SÉCHÉ ENVIRONNEMENT SA Founder 19/10/1981
SE Wagram
Corporate Officer/Principal -
Cimarosa Media
Corporate Officer/Principal -
Cimarosa II
Corporate Officer/Principal -
Galilée Partenaires II
Corporate Officer/Principal -
Moussecarie
Corporate Officer/Principal -
Société Civile Immobilière Etoile
Corporate Officer/Principal -
SCI Capri
Corporate Officer/Principal -
Firoki
Corporate Officer/Principal -
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Former positions of Joël Séché

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See the detail of Joël Séché's experience

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

38

1st degree connections

55

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies55

Industrial Services

Industrial Services

Industrial Services

Miscellaneous

Miscellaneous

Industrial Services

Finance

Consumer Services

Finance

Utilities

Industrial Services

Finance

Consumer Non-Durables

Industrial Services

Industrial Services

Commercial Services

Retail Trade

Finance

Finance

Finance

Cimarosa Tubes

Société Civile Immobilière Etoile

Technology Services

Sci La Croix des Landes

Les Chenes Secs SCI

Mézerolles SCI

SCI la Montre

SCI de la Censie

SCI Saint Kiriec

Sci La Perrée

Retail Trade

SCI Mauryland

Galilée Partenaires II

Cimarosa Media

Cimarosa II

SE Wagram

Moussecarie

SCI Capri

Société Civile Equa

Firoki

SCI Carmel

Alphaomega Foundation

Finance

AlphaOmega SC

Transportation

Transportation

Soluciones Ambientales Del Norte SA

Commercial Services

Industrial Services

Industrial Services

Taris (Peru)

Sci Les Chenes Secs

Sci De Mezerolles

Transportation

Industrial Services