ACTIVE

STÉPHAN SONNEVILLE

Financial year 2025 · Closed on 31/12/2025

Net result-545,7 k €-261,1 %over 1 year

Gross margin660,4 k €-17,3 %over 1 year

Equity10,4 M €-7,2 %over 1 year

Identity

Source · BCE/KBO

STÉPHAN SONNEVILLE is a Public limited company incorporated in 1997. Its main activity is: Activities of holding companies. Its registered office is in Lasne.

Legal situation: Normal situation
BCE/KBO no. / VAT: BE 0461.220.350
Incorporation: 28/07/1997
Legal form: Public limited company
Registered office: Rue du Mont-Lassy 62 B
1380 Lasne · WallonieSee on map
Contributed capital: 661 973,38 €
Latest accounts: 31/12/2025

Activities (NACE)

64200Activities of holding companies· main 64210Activities of holding companies 65231Reinsurance

Signals

Solid equityPositive EBITDA

Financials

Source · NBB, 20 filings

Trend over 20 financial years

	2025		2024		2023		2022		2021
Income statement
Gross margin	660,4 k €	-17.3%	798,8 k €	+15.1%	693,7 k €	+6.6%	650,5 k €	+7.5%	605,1 k €
EBITDA	596 k €	-24.4%	788,4 k €	+17.2%	672,9 k €	+4.8%	642 k €	+7.5%	597 k €
Operating result	594,3 k €	-21.2%	754 k €	+21.4%	621,2 k €	+5.2%	590,8 k €	+8.3%	545,5 k €
Net result	-545,7 k €	-261%	338,8 k €	+129%	-1,2 M €	-202%	1,1 M €	-48.5%	2,2 M €
Balance sheet
Equity	10,4 M €	-7.2%	11,2 M €	-0.7%	11,3 M €	-12.2%	12,9 M €	+5.8%	12,2 M €
Total assets	20,2 M €	-12.1%	23 M €	-1.7%	23,4 M €	+6.0%	22,1 M €	+0.1%	22,1 M €
Cash	51,3 k €	-70.7%	174,7 k €	+199%	58,5 k €	+142%	24,2 k €	+106%	11,7 k €
Debts	9,7 M €	-17.7%	11,8 M €	-2.3%	12 M €	+31.2%	9,2 M €	-7.0%	9,9 M €

Valuation

Indicative valuation

As an indication, this company is worth

between 0 € and 100 k€

See the valuation

Board of directors

Source · NBB, accounts to 31/12/2025

5 active · 4 ended

Active mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
OSIRIS VENTURE0455.080.052Represented by Victorien Sonneville	Director24/06/2025 → 21/05/2031
ISIS Exploitation0457.716.670Represented by Ophélie Sonneville	Managing director26/12/2006 → 20/05/2026
OSIRIS VENTURE0435.227.023Represented by Stéphan Sonneville	Managing director01/06/2006 → 20/05/2026
Stéphan SONNEVILLE	Managing director21/05/2003 → 20/05/2026Director21/05/2003 → 2021 accountsended
J.S.IMMO0461.162.051Represented by Victorien Sonneville	Administrateur25/06/2019 → 21/06/2025

Ended mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
Ophélie SONNEVILLE	Director14/05/2020 → 2022 accounts
Victorien SONNEVILLE	Director14/05/2020 → 2022 accounts

Other companies at this address

Rue du Mont-Lassy 62 B 1380 Lasne

Company	CBE no.
ELLIVENNOS COMPANY● Active	0751.806.715
OVINOLI● Active	0751.803.151

Full financial information

Source · NBB

	2025	2024	2023	2022	2021	2020
Type of account	Abridged model	Abridged model	Abridged model	Abridged model	Abridged model	Abridged model
Start of the financial year	01/01/2025	01/01/2024	01/01/2023	01/01/2022	01/01/2021	01/01/2020
Closing of the financial year	31/12/2025	31/12/2024	31/12/2023	31/12/2022	31/12/2021	31/12/2020
Length of the financial year	12 months	12 months	12 months	12 months	12 months	12 months
Filing date	16/07/2026	12/08/2025	25/07/2024	27/07/2023	21/08/2022	19/08/2021
General meeting	20/05/2026	24/06/2025	15/05/2024	17/05/2023	18/05/2022	19/05/2021
Currency of the financial year	EUR	EUR	EUR	EUR	EUR	EUR
NBB quality label	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls	Satisfying controls

Financial ratios

Source · NBB

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Annual accounts filings

Source · NBB, 20 filings

Model	Closing	General meeting	Filed	Language	Document
Abridged model	31/12/2025	20/05/2026	16/07/2026	French	PDF
Abridged model	31/12/2024	24/06/2025	12/08/2025	French	PDF
Abridged model	31/12/2023	15/05/2024	25/07/2024	French	PDF
Abridged model	31/12/2022	17/05/2023	27/07/2023	French	PDF
Abridged model	31/12/2021	18/05/2022	21/08/2022	French	PDF
Abridged model	31/12/2020	19/05/2021	19/08/2021	French	PDF
Abridged model	31/12/2019	14/05/2020	28/08/2020	French	PDF
Abridged model	31/12/2018	15/05/2019	28/08/2019	French	PDF
Abridged model	31/12/2017	16/05/2018	31/08/2018	French	PDF
Abridged model	31/12/2016	17/05/2017	25/07/2017	French	PDF
Abridged model	31/12/2015	18/05/2016	05/08/2016	French	PDF
Abridged model	31/12/2014	20/05/2015	20/08/2015	French	PDF
Abridged model	31/12/2013	17/05/2014	10/08/2014	French	PDF
Abridged model	31/12/2012	18/05/2013	25/08/2013	French	PDF
Abridged model	31/12/2011	18/05/2012	10/07/2012	French	PDF
Abridged model	31/12/2010	18/05/2011	27/05/2011	French	PDF
Abridged model	31/12/2009	19/05/2010	24/06/2010	French	PDF
Abridged model	31/12/2008	20/05/2009	28/07/2009	French	PDF
Abridged model	31/12/2007	21/05/2008	27/08/2008	French	PDF
Abridged model	31/12/2006	16/05/2007	09/08/2007	French	PDF

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 0 € and 100 k€

The detail comes with the Business plan: low and high bounds, the valuation bridge for each financial year, transaction multiples by sector and size, group valuation and exports.

Discover the Business plan

Disclaimer

Indicative estimate based on public sector multiples and the filed annual accounts. It is neither a certified valuation nor financial or investment advice.

Board of directors

Source · NBB, accounts to 31/12/2025

5 active · 4 ended

Active mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
OSIRIS VENTURE0455.080.052Represented by Victorien Sonneville	Director24/06/2025 → 21/05/2031
ISIS Exploitation0457.716.670Represented by Ophélie Sonneville	Managing director26/12/2006 → 20/05/2026
OSIRIS VENTURE0435.227.023Represented by Stéphan Sonneville	Managing director01/06/2006 → 20/05/2026
Stéphan SONNEVILLE	Managing director21/05/2003 → 20/05/2026Director21/05/2003 → 2021 accountsended
J.S.IMMO0461.162.051Represented by Victorien Sonneville	Administrateur25/06/2019 → 21/06/2025

Ended mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
Ophélie SONNEVILLE	Director14/05/2020 → 2022 accounts
Victorien SONNEVILLE	Director14/05/2020 → 2022 accounts

Ownership and network

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Belgian Official Gazette publications

Source · Belgian Official Gazette

Other30/09/2026
Extrait du Conseil d'Administration du 30 juin 2026
PDF
Mandates03/10/2025
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - DENOMINATION - DIVERS
PDF
Mandates26/09/2025
DEMISSIONS, NOMINATIONS
PDF
Mandates05/09/2022
DEMISSIONS, NOMINATIONS
PDF
Mandates19/10/2020
DEMISSIONS, NOMINATIONS
PDF
Mandates24/07/2019
DEMISSIONS, NOMINATIONS
PDF
Mandates18/09/2015
DEMISSIONS, NOMINATIONS
PDF
Mandates26/08/2015
DEMISSIONS, NOMINATIONS
PDF

Similar companies

A company's peers, by sector and size, are included in the Business plan.

See the Business plan

Timeline

Source · CBE, NBB annual accounts

Year

Identity

Incorporation

Name

Registered office

Annual accounts

Filings20 filings

Mandates

OSIRIS VENTURE

ISIS Exploitation

Stéphan SONNEVILLE

J.S.IMMO

Ophélie SONNEVILLE

Victorien SONNEVILLE

Laetitia PIREAUX

Julien SONNEVILLE

19971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031

STÉPHAN SONNEVILLE

RUE DU MONT LASSY 62, 1380 Lasne

Director

Managing director

Managing directorDirector

Administrateur

Director

CurrentPlanned, not yet servedEndedAccounts filedToday

Registered offices

Source · NBB annual accounts, CBE

Registered address	Period	Source
Rue du Mont-Lassy 62 B, 1380 LasneCurrent		CBE
RUE DU MONT LASSY 62, 1380 Lasne	accounts 2021 → 2025	Accounts 2025 · 2026-00299863

Company names

Source · NBB annual accounts, CBE

Name	Period	Source
STÉPHAN SONNEVILLECurrent	accounts 2021 → 2025	Accounts 2025 · 2026-00299863

Events

2025
Annual accounts 2025-545,7 k €↓
2024
Annual accounts 2024338,8 k €↑
2023
Annual accounts 2023-1,2 M €↓
2022
Annual accounts 20221,1 M €↓
2021
Annual accounts 20212,2 M €↑
2020
Annual accounts 20201,2 M €↑
2019
Annual accounts 20191,1 M €↓
2018
Annual accounts 20181,4 M €↑
2017
Annual accounts 2017916,4 k €↑
2016
Annual accounts 2016887,4 k €↑
2015
Annual accounts 2015867,8 k €↓
2014
Annual accounts 2014987,8 k €↓
2013
Annual accounts 20131,1 M €↑
2012
Annual accounts 2012836,3 k €↑
2011
Annual accounts 2011815,8 k €↓
2010
Annual accounts 2010868,8 k €↑
2009
Annual accounts 2009782,6 k €↓
2008
Annual accounts 2008785,5 k €↑
2007
Annual accounts 2007343,1 k €↑
2006
Annual accounts 2006183 k €
28/07/1997
IncorporationPublic limited company

STÉPHAN SONNEVILLE

Overview

Identity

Financials

Valuation

Indicative valuation

Board of directors

Other companies at this address

Financials

Full financial information

Financial ratios

Annual accounts filings

Valuation

Indicative valuation

Directors & structure

Board of directors

Ownership and network

Publications

Belgian Official Gazette publications

Similar companies

Similar companies

Timeline

Timeline

Registered offices

Company names

Events