ACTIVE

Société d'économie, de recherche et de développement appliqués

Financial year 2025 · Closed on 31/12/2025

Net result8 k €-46,1 %over 1 year

Gross margin37,8 k €-17,6 %over 1 year

Equity488,5 k €+1,7 %over 1 year

Identity

Source · BCE/KBO

Société d'économie, de recherche et de développement appliqués is a Public limited company incorporated in 1983. Its main activity is: Buying and selling of own real estate. Its registered office is in Ixelles.

Legal situation: Normal situation
BCE/KBO no. / VAT: BE 0425.824.159
Incorporation: 29/12/1983
Legal form: Public limited company
Registered office: Rue Renier Chalon 40
1050 Ixelles · BruxellesSee on map
Contributed capital: 65 000,00 €
Latest accounts: 31/12/2025

Activities (NACE)

68100Buying and selling of own real estate· main 68110Buying and selling of own real estate

Signals

ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDA

Financials

Source · NBB, 20 filings

Trend over 20 financial years

	2025		2024		2023		2022		2021
Income statement
Gross margin	37,8 k €	-17.6%	45,9 k €	+18.7%	38,6 k €	+8.1%	35,8 k €	+191%	-39,2 k €
EBITDA	33,1 k €	-19.9%	41,3 k €	+35.2%	30,6 k €	-6.9%	32,9 k €	+179%	-41,3 k €
Operating result	9,6 k €	-46.1%	17,9 k €	+129%	7,8 k €	+0.5%	7,8 k €	+107%	-104,2 k €
Net result	8 k €	-46.1%	14,9 k €	+447%	2,7 k €	-48.8%	5,3 k €	+105%	-105,1 k €
Balance sheet
Equity	488,5 k €	+1.7%	480,4 k €	+3.2%	465,5 k €	+0.6%	462,8 k €	+1.2%	457,5 k €
Total assets	1 M €	-1.6%	1 M €	-3.2%	1,1 M €	-0.2%	1,1 M €	-1.9%	1,1 M €
Cash	11,4 k €	+88.1%	6 k €	-60.6%	15,3 k €	-2.5%	15,7 k €	-74.9%	62,7 k €
Debts	396,9 k €	-4.9%	417,5 k €	-9.6%	461,7 k €	+0.0%	461,6 k €	-4.4%	482,8 k €

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

1 active · 5 ended

Active mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
ESTATE MANAGEMENT FOR YOU0667.533.709Represented by DAVID KATZ	Directorsince 31/10/2019Managing directorsince 31/10/2019ended

Ended mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
David Katz	Directorsince 31/10/2019
JEAN ALBERT ARMAND DE MARNEFFE	Managing director22/04/2011 → 27/11/2019
Jean de Marneffe	Managing director22/04/2011 → 28/04/2023

Other companies at this address

Rue Renier Chalon 40 1050 Ixelles

Company	CBE no.
BILIV● Active	1039.425.373
ESTATE MANAGEMENT FOR YOU● Active	0667.533.709

Full financial information

Source · NBB

	2025	2024	2023	2022	2021	2020
Type of account	Abridged model	Micro model	Micro model	Micro model	Micro model	Micro 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	22/06/2026	23/06/2025	27/08/2024	22/08/2023	30/08/2022	27/08/2021
General meeting	19/06/2026	20/06/2025	21/06/2024	31/03/2023	17/06/2022	18/06/2021
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	19/06/2026	22/06/2026	French	PDF
Micro model	31/12/2024	20/06/2025	23/06/2025	French	PDF
Micro model	31/12/2023	21/06/2024	27/08/2024	French	PDF
Micro model	31/12/2022	31/03/2023	22/08/2023	French	PDF
Micro model	31/12/2021	17/06/2022	30/08/2022	French	PDF
Micro model	31/12/2020	18/06/2021	27/08/2021	French	PDF
Micro model	31/12/2019	19/06/2020	22/06/2020	French	PDF
Micro model	31/12/2018	26/04/2019	08/05/2019	French	PDF
Micro model	31/12/2017	27/04/2018	09/05/2018	French	PDF
Micro model	31/12/2016	28/04/2017	02/06/2017	French	PDF
Abridged model	31/12/2015	22/04/2016	06/06/2016	French	PDF
Abridged model	31/12/2014	24/04/2015	15/07/2015	French	PDF
Abridged model	31/12/2013	25/04/2014	11/08/2014	French	PDF
Abridged model	31/12/2012	26/04/2013	27/06/2013	French	PDF
Abridged model	31/12/2011	27/04/2012	22/06/2012	French	PDF
Abridged model	31/12/2010	22/04/2011	20/05/2011	French	PDF
Abridged model	31/12/2009	23/04/2010	18/06/2010	French	PDF
Abridged model	31/12/2008	24/04/2009	19/06/2009	French	PDF
Abridged model	31/12/2007	25/04/2008	13/05/2008	French	PDF
Abridged model	31/12/2006	27/04/2007	13/06/2007	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

1 active · 5 ended

Active mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
ESTATE MANAGEMENT FOR YOU0667.533.709Represented by DAVID KATZ	Directorsince 31/10/2019Managing directorsince 31/10/2019ended

Ended mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
David Katz	Directorsince 31/10/2019
JEAN ALBERT ARMAND DE MARNEFFE	Managing director22/04/2011 → 27/11/2019
Jean de Marneffe	Managing director22/04/2011 → 28/04/2023

Ownership and network

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Belgian Official Gazette publications

Source · Belgian Official Gazette

Registered office16/02/2023
SIEGE SOCIAL
PDF
Registered office14/05/2021
SIEGE SOCIAL
PDF
Registered office08/07/2020
SIEGE SOCIAL
PDF
Mandates29/11/2019
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - OBJET - DEMISSIONS, NOMINATIONS - ASSEMBLEE GENERALE
PDF
Mandates16/05/2017
DEMISSIONS, NOMINATIONS
PDF
Mandates06/12/2011
DEMISSIONS, NOMINATIONS
PDF
Mandates23/10/2006
DEMISSIONS, NOMINATIONS
PDF
Mandates06/10/2006
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

ESTATE MANAGEMENT FOR YOU

David Katz

Pierre Vandebussche

PIERRE VANDENBUSSCHE

JEAN ALBERT ARMAND DE MARNEFFE

Jean de Marneffe

19831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026

S.E.R.D.A. SASociété d'économie, de recherche et de développement appliqués

Rue Renier Chalon 40, 1050 Ixelles

Managing director

CurrentPlanned, not yet servedEndedAccounts filedToday

Registered offices

Source · NBB annual accounts, CBE

Registered address	Period	Source
Rue Renier Chalon 40, 1050 IxellesCurrent	accounts 2022 → 2025	Accounts 2025 · 2026-00195936
Rue Jean Chapelié 23, 1050 Ixelles	accounts 2021	Accounts 2021 · 2022-20391145

Company names

Source · NBB annual accounts, CBE

Name	Period	Source
Société d'économie, de recherche et de développement appliquésCurrent		CBE
S.E.R.D.A. SA	accounts 2021 → 2025	Accounts 2025 · 2026-00195936
Société d'économie, de recherche et de développement appliqués	accounts 2006 → 2020	Accounts 2020 · 2021-58900371

Events

2025
Annual accounts 20258 k €↓
2024
Annual accounts 202414,9 k €↑
2023
Annual accounts 20232,7 k €↓
2022
Annual accounts 20225,3 k €↑
2021
Annual accounts 2021-105,1 k €↓
2021
Name changeS.E.R.D.A. SA
2020
Annual accounts 2020481,7 k €↑
2019
Annual accounts 2019-4,2 k €↑
2018
Annual accounts 2018-13,9 k €↑
2017
Annual accounts 2017-15,5 k €↓
2016
Annual accounts 2016-14 k €↑
2015
Annual accounts 2015-14,3 k €↑
2014
Annual accounts 2014-37,8 k €↓
2013
Annual accounts 2013-9,6 k €↓
2012
Annual accounts 2012-3,9 k €↑
2011
Annual accounts 2011-7 k €↑
2010
Annual accounts 2010-18 k €↓
2009
Annual accounts 200921,8 k €↑
2008
Annual accounts 20083,5 k €↓
2007
Annual accounts 200712 k €↑
2006
Annual accounts 2006-2,9 k €
29/12/1983
IncorporationPublic limited company

Société d'économie, de recherche et de développement appliqués

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