ACTIVE

ATENOR

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Financial year 2025 · Closed on 31/12/2025

Net result-159,4 M €-895,6 %over 1 year

Revenue6,2 M €-90,6 %over 1 year

Equity366,4 M €-23,7 %over 1 year

Workforce19,3 ETP-5,4 %over 1 year

Identity

Source · BCE/KBO

ATENOR is a Public limited company incorporated in 1950. Its main activity is: Activities of holding companies. Its registered office is in La Hulpe. It employs on average 19,3 ETP workers (FTE).

Legal situation: Normal situation
BCE/KBO no. / VAT: BE 0403.209.303
Incorporation: 15/09/1950
Legal form: Public limited company
Registered office: Avenue Reine Astrid 92
1310 La Hulpe · WallonieSee on map
Contributed capital: 368 433 217,14 €
Latest accounts: 31/12/2025
Average workforce: 19,3 ETP

Activities (NACE)

64200Activities of holding companies· main 64210Activities of holding companies 65234Reinsurance

Joint committees (2)

Contacts

2 public details availableLog in to view

Signals

Solid equityHealthy social debtsHigh revenue

Financials

Source · NBB, 41 filings

Trend over 20 financial years

	2025		2024		2023		2022		2021
Income statement
Revenue	6,2 M €	-90.6%	66,2 M €	+1163%	5,2 M €	+9.0%	4,8 M €	-9.5%	5,3 M €
EBITDA	-12,3 M €	-6854%	-176,3 k €	+98.5%	-11,7 M €	-46.9%	-8 M €	-18.9%	-6,7 M €
Operating result	-13 M €	-464%	-2,3 M €	+80.6%	-11,9 M €	-16.3%	-10,2 M €	-448%	-1,9 M €
Net result	-159,4 M €	-896%	-16 M €	-315%	7,5 M €	-80.0%	37,3 M €	-45.4%	68,4 M €
Balance sheet
Equity	366,4 M €	-23.7%	480,5 M €	-3.3%	496,9 M €	+65.4%	300,4 M €	+6.4%	282,3 M €
Total assets	795,5 M €	-26.0%	1,1 Md €	-11.7%	1,2 Md €	+11.4%	1,1 Md €	+5.4%	1 Md €
Cash	40 M €	+1711%	2,2 M €	-74.8%	8,8 M €	+117%	4 M €	-94.7%	76,1 M €
Debts	423,3 M €	-27.7%	585,8 M €	-17.4%	709 M €	-9.1%	780,1 M €	+4.6%	745,9 M €
Other
Workforce	19,3 ETP	-5.4%	20,4 ETP	+0.5%	20,3 ETP	-17.1%	24,5 ETP	+0.4%	24,4 ETP

Valuation

Indicative valuation

As an indication, this company is worth

between 250 M€ and 500 M€

See the valuation

Board of directors

Source · NBB, accounts to 31/12/2025

9 active · 16 ended

Active mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
STÉPHAN SONNEVILLE0461.220.350Represented by Stéphan SONNEVILLE	Managing director27/04/2007 → 28/04/2028
Bernadette de Bethune	Director26/04/2024 → 23/04/2027
Christian DELAIRE	Director27/04/2018 → 23/04/2027
Frank DONCK	Chairman of the board of directors28/04/2006 → 23/04/2027Director28/04/2006 → 2006 accountsended
INVESTEA0554.946.205Represented by Emmanuèle ATTOUT	Director24/04/2015 → 23/04/2027
MOROXCO0719.795.230Represented by Cédric Van Quickenborne	Director26/04/2024 → 23/04/2027
Realize0759.664.804Represented by Olivier Lambrecht	Director26/04/2024 → 23/04/2027
JOHN PENNING	Director28/04/2023 → 24/04/2026
TRIONNA0556.982.017Represented by Laure le Hardÿ de Beaulieu	Director28/04/2023 → 24/04/2026

Ended mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
SOCIETE DE CONSEIL EN GESTION ET STRATEGIE D'ENTREPRISES0834.585.822Represented by Nadine LEMAITRE	Director28/04/2023 → 2023 accounts
LUXEMPART MANAGEMENT sàrlRepresented by JOHN PENNING	Director22/04/2022 → 2023 accounts
MG PRAXIS0508.828.247Represented by Michèle GREGOIRE	Director23/04/2021 → 2023 accounts

Other companies at this address

Avenue Reine Astrid 92 1310 La Hulpe

Company	CBE no.
5th FLOOR SOFTWARE● Active	0673.857.416
ADRIEN INVEST● Active	0881.981.210
AMBIANCE THERMIQUE● Active	0445.868.715
APC GROUP● Active	1016.958.490
Association des copropriétaires "Immeuble Nysdam" à La Hulpe Avenue Reine Astrid 92● Active	0862.523.505
ATENOR GROUP INVESTMENTS● Active	0536.995.859
ATENOR GROUP PARTICIPATIONS● Active	0842.295.540
Atenor Long Term Growth● Active	0712.644.053
ATENOR TOOLS COMPANY● Active	0401.965.921
ATLANTIS-REALTY● Active	0663.915.213
AVbyS● Liquidation	0704.842.283
AVIATION PARTNERS COMPANY● Active	0762.455.731
Banqup Solutions● Active	0471.730.202
BILOBA● Active	0733.509.149
BuildFive● Active	1042.222.339
BUZZYNEST● Judicial reorganisation	1007.112.297
B-WAW● Active	1022.764.535
C5M● Active	0728.896.701
Cat-One● Active	0753.558.554
Citendo● Active	0743.396.914

Full financial information

Source · NBB

	2025	2024	2023	2022	2021	2020
Type of account	Full model	Full model	Full model	Full model	Full model	Full 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	11/05/2026	29/04/2025	23/05/2024	14/12/2023	24/05/2022	25/05/2021
General meeting	24/04/2026	25/04/2025	26/04/2024	28/04/2023	22/04/2022	23/04/2021
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, 41 filings

Model	Closing	General meeting	Filed	Language	Document
Full model	31/12/2025	24/04/2026	11/05/2026	French	PDF
Consolidated accounts	31/12/2025	24/04/2026	11/05/2026	French	PDF
Full model	31/12/2024	25/04/2025	29/04/2025	French	PDF
Consolidated accounts	31/12/2024	25/04/2025	12/05/2025	French	PDF
Full model	31/12/2023	26/04/2024	23/05/2024	French	PDF
Consolidated accounts	31/12/2023	26/04/2024	30/05/2024	French	PDF
Full modelCorrection	31/12/2022	28/04/2023	14/12/2023	French	PDF
Full model	31/12/2022	28/04/2023	26/05/2023	French	PDF
Consolidated accounts	31/12/2022	28/04/2023	30/05/2023	French	PDF
Full model	31/12/2021	22/04/2022	24/05/2022	French	PDF
Consolidated accounts	31/12/2021	22/04/2022	24/05/2022	French	PDF
Full model	31/12/2020	23/04/2021	25/05/2021	French	PDF
Consolidated accounts	31/12/2020	23/04/2021	25/05/2021	French	PDF
Full model	31/12/2019	24/04/2020	20/05/2020	French	PDF
Consolidated accounts	31/12/2019	24/04/2020	20/05/2020	French	PDF
Full model	31/12/2018	26/04/2019	24/05/2019	French	PDF
Consolidated accounts	31/12/2018	01/01/9999	24/05/2019	French	PDF
Full model	31/12/2017	27/04/2018	16/05/2018	French	PDF
Consolidated accounts	31/12/2017	27/04/2018	05/06/2018	French	PDF
Full model	31/12/2016	28/04/2017	10/05/2017	French	PDF
Consolidated accounts	31/12/2016	28/04/2017	18/05/2017	French	PDF
Full model	31/12/2015	22/04/2016	12/05/2016	French	PDF
Consolidated accounts	31/12/2015	22/04/2016	24/05/2016	French	PDF
Full model	31/12/2014	24/04/2015	27/04/2015	French	PDF
Consolidated accounts	31/12/2014	24/04/2015	11/05/2015	French	PDF
Full model	31/12/2013	25/04/2014	23/05/2014	French	PDF
Consolidated accounts	31/12/2013	25/04/2014	23/05/2014	French	PDF
Full model	31/12/2012	26/04/2013	24/05/2013	French	PDF
Consolidated accounts	31/12/2012	26/04/2013	27/05/2013	French	PDF
Full model	31/12/2011	27/04/2012	21/05/2012	French	PDF
Consolidated accounts	31/12/2011	27/04/2012	21/05/2012	French	PDF
Full model	31/12/2010	22/04/2011	20/05/2011	French	PDF
Consolidated accounts	31/12/2010	22/04/2011	19/05/2011	French	PDF
Full model	31/12/2009	23/04/2010	18/05/2010	French	PDF
Consolidated accounts	31/12/2009	23/04/2010	17/05/2010	French	PDF
Full model	31/12/2008	24/04/2009	18/05/2009	French	PDF
Consolidated accounts	31/12/2008	24/04/2009	15/05/2009	French	PDF
Full model	31/12/2007	25/04/2008	19/05/2008	French	PDF
Consolidated accounts	31/12/2007	25/04/2008	22/05/2008	French	PDF
Full model	31/12/2006	27/04/2007	14/05/2007	French	PDF
Consolidated accounts	31/12/2006	27/04/2007	22/05/2007	French	PDF

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 250 M€ and 500 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

9 active · 16 ended

Active mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
STÉPHAN SONNEVILLE0461.220.350Represented by Stéphan SONNEVILLE	Managing director27/04/2007 → 28/04/2028
Bernadette de Bethune	Director26/04/2024 → 23/04/2027
Christian DELAIRE	Director27/04/2018 → 23/04/2027
Frank DONCK	Chairman of the board of directors28/04/2006 → 23/04/2027Director28/04/2006 → 2006 accountsended
INVESTEA0554.946.205Represented by Emmanuèle ATTOUT	Director24/04/2015 → 23/04/2027
MOROXCO0719.795.230Represented by Cédric Van Quickenborne	Director26/04/2024 → 23/04/2027
Realize0759.664.804Represented by Olivier Lambrecht	Director26/04/2024 → 23/04/2027
JOHN PENNING	Director28/04/2023 → 24/04/2026
TRIONNA0556.982.017Represented by Laure le Hardÿ de Beaulieu	Director28/04/2023 → 24/04/2026

Ended mandates

Director	Mandates in this company	Period	Other mandatescurrentendedstruck offbankruptcies
SOCIETE DE CONSEIL EN GESTION ET STRATEGIE D'ENTREPRISES0834.585.822Represented by Nadine LEMAITRE	Director28/04/2023 → 2023 accounts
LUXEMPART MANAGEMENT sàrlRepresented by JOHN PENNING	Director22/04/2022 → 2023 accounts
MG PRAXIS0508.828.247Represented by Michèle GREGOIRE	Director23/04/2021 → 2023 accounts

Ownership and network

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Belgian Official Gazette publications

Source · Belgian Official Gazette

Mandates08/06/2026
DEMISSIONS, NOMINATIONS
PDF
Mandates15/05/2026
DEMISSIONS, NOMINATIONS
PDF
Other05/05/2026
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - DIVERS
PDF
Mandates17/06/2025
DEMISSIONS, NOMINATIONS
PDF
Mandates16/05/2025
DEMISSIONS, NOMINATIONS
PDF
Other07/05/2025
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - DIVERS
PDF
Capital / shares19/03/2025
CAPITAL, ACTIONS - DIVERS
PDF
Capital / shares17/03/2025
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - DIVERS - CAPITAL, ACTIONS
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

Incorporation1950

Name

Registered office

Annual accounts

Filings20 filings

Mandates

STÉPHAN SONNEVILLE

INVESTEA

MOROXCO

Realize

Frank DONCK

Christian DELAIRE

Bernadette de Bethune

TRIONNA

JOHN PENNING

SOCIETE DE CONSEIL EN GESTION ET STRATEGIE D'ENTREPRISES

LUXEMPART MANAGEMENT sàrl

MG PRAXIS

Show the 13 other mandates

196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028

ATENORATENOR GROUP

Avenue Reine Astrid 92, 1310 La Hulpe

Managing director

Director

Chairman of the board of directors

Director

CurrentPlanned, not yet servedEndedAccounts filedToday

Registered offices

Source · NBB annual accounts, CBE

Registered address	Period	Source
Avenue Reine Astrid 92, 1310 La HulpeCurrent	accounts 2021 → 2025	Accounts 2025 · 2026-00111129

Company names

Source · NBB annual accounts, CBE

Name	Period	Source
ATENORCurrent	accounts 2015 → 2025	Accounts 2025 · 2026-00111255
ATENOR GROUP	accounts 2010 → 2014	Accounts 2014 · 2015-11800326

Events

24/04/2026
reconductionSRL Trionna · Administrateur non-exécutif indépendant
24/04/2026
nominationLionel de Hemptinne · Administrateur non-exécutif
24/04/2026
nominationVANDERSTRAETEN Caroline Françoise Marthe Michèle · mandataire spécial
24/04/2026
nominationHODAC Alexander · mandataire spécial
2025
Annual accounts 2025-159,4 M €↓
25/04/2025
reconductionStéphan Sonneville · Administrateur
10/03/2025
augmentation_capital
10/03/2025
apport
02/03/2025
augmentation_capital3D SA
02/03/2025
augmentation_capitalStéphan Sonneville SA
02/03/2025
augmentation_capitalLuxempart S.A.
02/03/2025
augmentation_capitalMidelCo SA
02/03/2025
augmentation_capitalVandewiele Group SA
2024
Annual accounts 2024-16 M €↓
26/04/2024
reconductionFrank Donck · Administrateur
26/04/2024
reconductionSAL Investea · Administrateur indépendant
26/04/2024
reconductionChristian Delaire · Administrateur indépendant
26/04/2024
nominationBernadette de Bethune · Administrateur indépendant
26/04/2024
nominationBVBA Moroxco · Administrateur indépendant
26/04/2024
nominationBV Realize · Administrateur indépendant
26/04/2024
nominationSRL BDO Réviseurs d'Entreprises · commissaire
26/04/2024
augmentation_capital
2023
Annual accounts 20237,5 M €↓
30/11/2023
augmentation_capital
30/11/2023
apport
08/11/2023
augmentation_capital
11/09/2023
augmentation_capital
27/06/2023
augmentation_capital
25/05/2023
augmentation_capital
28/04/2023
reconductionSRL Sogestra · Administrateur
28/04/2023
nominationSRL Trionna · Administrateur indépendant
28/04/2023
nominationJohn Penning · Administrateur
2022
Annual accounts 202237,3 M €↓
22/04/2022
reconductionsàrl Luxempart Management · Administrateur
22/04/2022
reconductionStéphan Sonneville SA · Administrateur
2021
Annual accounts 202168,4 M €↑
2020
Annual accounts 202026,1 M €↑
2019
Annual accounts 201916,4 M €↓
2018
Annual accounts 201869,6 M €↑
2017
Annual accounts 2017-6,5 M €↓
2016
Annual accounts 20166,9 M €↑
2015
Annual accounts 20156,3 M €↓
2015
Name changeATENOR
2014
Annual accounts 201413,5 M €↑
2013
Annual accounts 20138 M €↑
2012
Annual accounts 20124,7 M €↓
2011
Annual accounts 201113,3 M €↑
2010
Annual accounts 201010,5 M €↑
2009
Annual accounts 20092 M €↑
2008
Annual accounts 2008-5,8 M €↓
2007
Annual accounts 200769,5 M €↑
2006
Annual accounts 20068,9 M €
15/09/1950
IncorporationPublic limited company

ATENOR

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