ACTIVE

S.E.G.

Financial year 2025 · Closed on 31/12/2025

Net result2,2 M €+364,3 %over 1 year

Gross margin3,9 M €+205,4 %over 1 year

Equity14,2 M €+17,9 %over 1 year

Identity

Source · BCE/KBO

S.E.G. is a Public limited company incorporated in 1982. Its main activity is: Rental and operating of own or leased real estate. Its registered office is in Uccle.

Legal situation: Normal situation
BCE/KBO no. / VAT: BE 0422.550.311
Incorporation: 19/03/1982
Legal form: Public limited company
Registered office: Avenue De Fré 229
1180 Uccle · BruxellesSee on map
Contributed capital: 5 000 000,00 €
Latest accounts: 31/12/2025

Activities (NACE)

68203Rental and operating of own or leased real estate· main 68203Rental and operating of own or leased real estate 68321Management of real estate on a fee or contract basis 68321Management of real estate on a fee or contract basis

Signals

ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDAHealthy social debts

Financials

Source · NBB, 20 filings

Trend over 20 financial years

	2025		2024		2023		2022		2021
Income statement
Gross margin	3,9 M €	+205%	1,3 M €	-10.1%	1,4 M €	+6.8%	1,3 M €	+13.1%	1,2 M €
EBITDA	3,7 M €	+238%	1,1 M €	+177%	391,7 k €	-68.9%	1,3 M €	+13.6%	1,1 M €
Operating result	2,9 M €	+346%	645,9 k €	+1284%	-54,6 k €	-107%	836 k €	+61.0%	519,2 k €
Net result	2,2 M €	+364%	464,1 k €	+1242%	-40,6 k €	-106%	629,1 k €	+111%	298,3 k €
Balance sheet
Equity	14,2 M €	+17.9%	12 M €	+3.1%	11,7 M €	-0.3%	11,7 M €	+5.7%	11,1 M €
Total assets	15,3 M €	+16.4%	13,1 M €	+9.4%	12 M €	-2.7%	12,3 M €	+2.4%	12 M €
Cash	227,5 k €	-71.8%	805,7 k €	+57.2%	512,6 k €	+19.1%	430,5 k €	+328%	100,5 k €
Debts	156,8 k €	-80.2%	791 k €	+2512%	30,3 k €	-85.5%	209,4 k €	-63.3%	570,5 k €
Other
Workforce	–		–		–		1,0 ETP	0.0%	1,0 ETP

Valuation

Indicative valuation

As an indication, this company is worth

between 10 M€ and 25 M€

See the valuation

Board of directors

Source · NBB, accounts to 31/12/2025

1 active · 8 ended

Active mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
Thierry AERTS	Managing directorsince 25/10/2007Director2009 accountsended

Ended mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
OLIVIER DEJONG	Director01/01/2019 → 2023 accounts
HALLEY MARRAKECH S. Etr.Represented by THIERRY AERTS	Managing director31/12/2016 → 2016 accounts
PIERRE AERTS	Director01/07/2008 → 2011 accounts
NADINE LAURYS	Director25/10/2007 → 2010 accounts

Other companies at this address

Avenue De Fré 229 1180 Uccle

Company	CBE no.
Avocat Emilie MICHEL● Active	0744.666.129
AVOCATS NICOLAS VAN DER BORGHT● Active	0480.019.940
BELPOWER INTERNATIONAL● Liquidation	0806.140.571
Electricité du Bâtiment et de l'Industrie E.B.I.● Liquidation	0418.303.095
FERRARI DAVIDE ORGANISATION● Active	0864.133.606
HALLEY IMMO● Active	0898.309.278
HOLDENT● Active	0461.136.119
HOLDING JCK● Active	0805.076.838
Hôpital de Warquignies● Liquidation	0439.081.386
HUACHINANGO● Bankrupt	0474.247.153
Immo Gestion Services● Active	0662.548.206
IMMO GESTION SYNDIC● Active	0507.740.065
JOS DENTAL● Liquidation	0840.726.714
Maison Médicale Auderghem● Liquidation	0722.875.375
MATALIM● Liquidation	0476.716.990
MDO FIDUCIAIRE● Active	0432.629.403
MEGANCK INVESTISSEMENT GESTION● Active	0427.855.221
Middelbourg● Active	0438.345.770
SCIV SPRL CABINET JASPAR, SCIV SPRL AVOCAT Nicolas VAN DER BORGHT ET Claire VAN DE VELDE ADF● Active	0879.868.984
SERVICE D'ACCOMPAGNEMENT POUR PERSONNES EN SITUATION DE HANDICAP - INCLUSION ET RESEAU- BRUXELLES● Active	0836.246.896

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	23/07/2026	16/07/2025	27/08/2024	31/08/2023	30/08/2022	19/07/2021
General meeting	16/05/2026	17/05/2025	18/05/2024	20/05/2023	21/05/2022	15/05/2021
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	16/05/2026	23/07/2026	French	PDF
Abridged model	31/12/2024	17/05/2025	16/07/2025	French	PDF
Abridged model	31/12/2023	18/05/2024	27/08/2024	French	PDF
Abridged model	31/12/2022	20/05/2023	31/08/2023	French	PDF
Abridged model	31/12/2021	21/05/2022	30/08/2022	French	PDF
Abridged model	31/12/2020	15/05/2021	19/07/2021	French	PDF
Abridged model	31/12/2019	16/05/2020	02/07/2020	French	PDF
Abridged model	31/12/2018	18/05/2019	27/06/2019	French	PDF
Abridged model	31/12/2017	19/05/2018	25/07/2018	French	PDF
Abridged model	31/12/2016	20/05/2017	10/07/2017	French	PDF
Abridged model	31/12/2015	30/06/2016	27/09/2016	French	PDF
Abridged model	31/12/2014	16/05/2015	16/07/2015	French	PDF
Abridged model	31/12/2013	17/05/2014	13/06/2014	French	PDF
Abridged model	31/12/2012	18/05/2013	10/06/2013	French	PDF
Abridged model	31/12/2011	30/06/2012	30/07/2012	French	PDF
Abridged model	31/12/2010	11/05/2011	07/07/2011	French	PDF
Abridged model	31/12/2009	30/06/2010	07/07/2010	French	PDF
Abridged model	31/12/2008	13/06/2009	03/07/2009	French	PDF
Abridged model	31/12/2007	13/06/2008	16/06/2008	French	PDF
Abridged model	31/12/2006	25/06/2007	18/07/2007	French	PDF

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 10 M€ and 25 M€

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 · 8 ended

Active mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
Thierry AERTS	Managing directorsince 25/10/2007Director2009 accountsended

Ended mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
OLIVIER DEJONG	Director01/01/2019 → 2023 accounts
HALLEY MARRAKECH S. Etr.Represented by THIERRY AERTS	Managing director31/12/2016 → 2016 accounts
PIERRE AERTS	Director01/07/2008 → 2011 accounts
NADINE LAURYS	Director25/10/2007 → 2010 accounts

Ownership and network

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Belgian Official Gazette publications

Source · Belgian Official Gazette

Restructuring15/09/2025
CAPITAL, ACTIONS - RUBRIQUE RESTRUCTURATION (FUSION, SCISSION, TRANSFERT PATRIMOINE, ETC...)
PDF
Restructuring30/05/2025
RUBRIQUE RESTRUCTURATION (FUSION, SCISSION, TRANSFERT PATRIMOINE, ETC...) - DIVERS
PDF
Mandates03/04/2024
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - DEMISSIONS, NOMINATIONS
PDF
Mandates31/03/2022
SIEGE SOCIAL - DEMISSIONS, NOMINATIONS
PDF
Mandates26/02/2019
DEMISSIONS, NOMINATIONS
PDF
Mandates04/04/2017
DEMISSIONS, NOMINATIONS
PDF
Mandates25/07/2014
DEMISSIONS, NOMINATIONS
PDF
Restructuring09/11/2011
CAPITAL, ACTIONS - STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - RUBRIQUE RESTRUCTURATION (FUSION, SCISSION, TRANSFERT PATRIMOINE, ETC...)
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

Thierry AERTS

OLIVIER DEJONG

HALLEY MARRAKECH S. Etr.

PIERRE AERTS

NADINE LAURYS

HALLEY MARRAKECH

HALLEY MARRAKECH SA

HALLEY MARRAKECH ST ETR

DANIEL AERTS

198219831984198519861987198819891990199119921993199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026

SEGS.E.G.

Avenue de Fré 229², 1180 Uccle

Managing director

Director

CurrentPlanned, not yet servedEndedAccounts filedToday

Registered offices

Source · NBB annual accounts, CBE

Registered address	Period	Source
Avenue De Fré 229, 1180 UccleCurrent		CBE
Avenue de Fré 229², 1180 Uccle	accounts 2021 → 2025	Accounts 2025 · 2026-00329712

Company names

Source · NBB annual accounts, CBE

Name	Period	Source
S.E.G.Current		CBE
SEG	accounts 2021 → 2025	Accounts 2025 · 2026-00329712
S.E.G.	accounts 2006 → 2020	Accounts 2020 · 2021-37700599

Events

2025
Annual accounts 20252,2 M €↑
2024
Annual accounts 2024464,1 k €↑
2023
Annual accounts 2023-40,6 k €↓
2022
Annual accounts 2022629,1 k €↑
2021
Annual accounts 2021298,3 k €↑
2021
Name changeSEG
2020
Annual accounts 202097,5 k €↑
2019
Annual accounts 201962,2 k €↓
2018
Annual accounts 2018311,1 k €↑
2017
Annual accounts 2017-108,3 k €↑
2016
Annual accounts 2016-112,2 k €↓
2015
Annual accounts 201539,9 k €↓
2014
Annual accounts 2014127,1 k €↓
2013
Annual accounts 2013194,9 k €↑
2012
Annual accounts 2012119 k €↑
2011
Annual accounts 201169,3 k €↑
2010
Annual accounts 2010-120,4 k €↓
2009
Annual accounts 200962,2 k €↑
2008
Annual accounts 200829,6 k €↓
2007
Annual accounts 2007447,7 k €↓
2006
Annual accounts 2006526,6 k €
19/03/1982
IncorporationPublic limited company

S.E.G.

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