Stéphan Sonneville

Chief Executive Officer at ATENOR

Net worth: 3 M $ as of 29/06/2026

Finance

Commercial Services

Miscellaneous

Profile

Stéphan Sonneville is Chief Executive Officer, MD & Executive Director at ATENOR SA. Mr. Sonneville is Director at Victor Estates NV, Hexaten SA, Markizaat SA, Wehrhahn Estate NV, CCN Development NV, Immobilière de la Petite Ile SA, The One Estate SA, and NRW Dveloppement SA. Mr. Sonneville is Managing Director & Director at Stephan Sonneville SA and ForAtenoR SA. Former roles include Director at Atenor Group Central Europe and Director at The One Office SA.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
ATENOR S.A. 2.84%	09/03/2025	1,736,128 ( 2.84% )	3 M $	29/06/2026

Stéphan Sonneville active positions

Companies	Position	Start
ATENOR	Chief Executive Officer	-
Dossche Immo SA Dossche Immo SA Real Estate DevelopmentFinance Provides real estate services	Director/Board Member	14/01/2019
Hexaten SA Hexaten SA Miscellaneous Commercial ServicesCommercial Services Provides project development and real estate leasing services	Director/Board Member	28/10/2015
Victor Estates NV Victor Estates NV Real Estate DevelopmentFinance Develops non-residential properties	Director/Board Member	26/06/2008
ForAtenoR SA ForAtenoR SA Real Estate DevelopmentFinance Provides real estate services	Chief Executive Officer	03/04/2018
Stephan Sonneville SA Stephan Sonneville SA Financial ConglomeratesFinance Functions as an investment holding company	Chief Executive Officer	31/05/2006
Wehrhahn Estate NV Wehrhahn Estate NV Real Estate DevelopmentFinance Provides residential real estate development services	Director/Board Member	13/11/2018
CCN Development NV CCN Development NV Real Estate DevelopmentFinance Trades and rents residential, non residential properties & leases land	Director/Board Member	28/10/2019
Immobilière De La Petite Ile SA Immobilière De La Petite Ile SA Real Estate DevelopmentFinance Develops residential and non residential construction projects	Director/Board Member	27/02/2011
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All active positions of Stéphan Sonneville

Former positions of Stéphan Sonneville

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See the detail of Stéphan Sonneville's experience

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Stéphan Sonneville's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	13
ATENOR SA ATENOR SA Real Estate DevelopmentFinance Provides real estate services	Finance
Victor Estates NV Victor Estates NV Real Estate DevelopmentFinance Develops non-residential properties	Finance
Atenor Group Central Europe Atenor Group Central Europe Real Estate DevelopmentFinance Operates as real estate development company	Finance
Hexaten SA Hexaten SA Miscellaneous Commercial ServicesCommercial Services Provides project development and real estate leasing services	Commercial Services
Stephan Sonneville SA Stephan Sonneville SA Financial ConglomeratesFinance Functions as an investment holding company	Finance
The One Office SA The One Office SA MiscellaneousMiscellaneous Acts as an investment holding company for real estate assets	Miscellaneous
Dossche Immo SA Dossche Immo SA Real Estate DevelopmentFinance Provides real estate services	Finance
ForAtenoR SA ForAtenoR SA Real Estate DevelopmentFinance Provides real estate services	Finance
Wehrhahn Estate NV Wehrhahn Estate NV Real Estate DevelopmentFinance Provides residential real estate development services	Finance
CCN Development NV CCN Development NV Real Estate DevelopmentFinance Trades and rents residential, non residential properties & leases land	Finance
Immobilière De La Petite Ile SA Immobilière De La Petite Ile SA Real Estate DevelopmentFinance Develops residential and non residential construction projects	Finance
The One Estate SA The One Estate SA Real Estate DevelopmentFinance Develops residential and non residential construction projects	Finance
NRW Dveloppement SA NRW Dveloppement SA Real Estate DevelopmentFinance Develops residential and non residential construction projects	Finance