ACTIVE

Atelier d’Architecture, Urbanisme et Expertise Eric Rongvaux

Financial year 2025 · Closed on 31/12/2025

Net result-17,7 k €-1 809,9 %over 1 year

Gross margin-11,8 k €-248,8 %over 1 year

Equity161 k €-9,9 %over 1 year

Identity

Source · BCE/KBO

Atelier d’Architecture, Urbanisme et Expertise Eric Rongvaux is a Private limited company incorporated in 2001. Its main activity is: Architectural activities. Its registered office is in Saint-Léger (Lux.).

Legal situation: Normal situation
BCE/KBO no. / VAT: BE 0474.361.969
Incorporation: 21/03/2001
Legal form: Private limited company
Registered office: Rue du Cinq-Septembre 28 box A
6747 Saint-Léger (Lux.) · WallonieSee on map
Contributed capital: 12 400,00 €
Latest accounts: 31/12/2025

Activities (NACE)

71111Architectural activities· main 71111Architectural activities 74201Photographic activities

Signals

Solid equityLow riskGood liquidity

Financials

Source · NBB, 20 filings

Trend over 20 financial years

	2025		2024		2023		2022		2021
Income statement
Gross margin	-11,8 k €	-249%	7,9 k €	-86.4%	58,1 k €	-2.0%	59,3 k €	+29.3%	45,8 k €
EBITDA	-14,9 k €	-389%	5,1 k €	-90.7%	55,1 k €	-3.7%	57,2 k €	+30.5%	43,9 k €
Operating result	-17,3 k €	-2204%	821,8 €	-98.4%	51,3 k €	+21.1%	42,4 k €	+37.8%	30,7 k €
Net result	-17,7 k €	-1810%	-925,9 €	-102%	37,3 k €	+36.5%	27,3 k €	+60.2%	17,1 k €
Balance sheet
Equity	161 k €	-9.9%	178,6 k €	-0.5%	179,6 k €	+26.2%	142,3 k €	+23.8%	115 k €
Total assets	162,3 k €	-15.1%	191,1 k €	+2.2%	186,9 k €	+20.2%	155,5 k €	+10.2%	141,1 k €
Cash	128 k €	-16.5%	153,3 k €	-2.0%	156,4 k €	+15.5%	135,4 k €	+23.0%	110,1 k €
Debts	1,3 k €	-89.4%	12,4 k €	+69.3%	7,3 k €	-44.5%	13,2 k €	-49.5%	26,1 k €

Valuation

Indicative valuation

As an indication, this company is worth

between 100 k€ and 250 k€

See the valuation

Board of directors

Source · NBB, accounts to 31/12/2025

1 active

Active mandates

Director	Mandates in this company	Period
Eric Rongvaux	Directorsince 19/03/2007Administrator - managersince 19/03/2007endedManagersince 30/03/2001ended

Full financial information

Source · NBB

	2025	2024	2023	2022	2021	2020
Type of account	Micro 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	11/06/2026	10/07/2025	12/07/2024	26/06/2023	16/06/2022	24/06/2021
General meeting	10/06/2026	11/06/2025	12/06/2024	30/05/2023	08/06/2022	09/06/2021
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
Micro model	31/12/2025	10/06/2026	11/06/2026	French	PDF
Micro model	31/12/2024	11/06/2025	10/07/2025	French	PDF
Micro model	31/12/2023	12/06/2024	12/07/2024	French	PDF
Micro model	31/12/2022	30/05/2023	26/06/2023	French	PDF
Micro model	31/12/2021	08/06/2022	16/06/2022	French	PDF
Micro model	31/12/2020	09/06/2021	24/06/2021	French	PDF
Micro model	31/12/2019	30/06/2020	27/07/2020	French	PDF
Micro model	31/12/2018	08/05/2019	13/05/2019	French	PDF
Micro model	31/12/2017	07/03/2018	14/03/2018	French	PDF
Micro model	31/12/2016	14/06/2017	19/06/2017	French	PDF
Abridged model	31/12/2015	08/06/2016	14/06/2016	French	PDF
Abridged model	31/12/2014	10/06/2015	29/06/2015	French	PDF
Abridged model	31/12/2013	11/06/2014	08/07/2014	French	PDF
Abridged model	31/12/2012	12/06/2013	29/08/2013	French	PDF
Abridged model	31/12/2011	29/05/2012	11/06/2012	French	PDF
Abridged model	31/12/2010	08/06/2011	16/06/2011	French	PDF
Abridged model	31/12/2009	09/06/2010	13/08/2010	French	PDF
Abridged model	31/12/2008	10/06/2009	27/08/2009	French	PDF
Abridged model	31/12/2007	11/06/2008	29/08/2008	French	PDF
Abridged model	31/12/2006	13/06/2007	12/07/2007	French	PDF

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 100 k€ and 250 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

Active mandates

Director	Mandates in this company	Period
Eric Rongvaux	Directorsince 19/03/2007Administrator - managersince 19/03/2007endedManagersince 30/03/2001ended

Ownership and network

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Belgian Official Gazette publications

Source · Belgian Official Gazette

Mandates08/06/2023
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, ) - MODIFICATION FORME JURIDIQUE - DENOMINATION - SIEGE SOCIAL - OBJET - DEMISSIONS, NOMINATIONS - ASSEMBLEE GENERALE
PDF
Mandates23/04/2007
DEMISSIONS, NOMINATIONS
PDF
Mandates23/04/2007
DEMISSIONS, NOMINATIONS
PDF
Mandates22/03/2007
DEMISSIONS, NOMINATIONS - ASSEMBLEE GENERALE - CAPITAL, ACTIONS - STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, )
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

Eric Rongvaux

20012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026

AAUEER - Atelier d'Architecture, Urbanisme et Expertise Eric RongvauxAAUE ERIC RONGVAUX SRL

Rue du Cinq-Septembre 28 bte A, 6747 Saint-Léger (Lux.)

Director

CurrentPlanned, not yet servedEndedAccounts filedToday

Registered offices

Source · NBB annual accounts, CBE

Registered address	Period	Source
Rue du Cinq-Septembre 28 bte A, 6747 Saint-Léger (Lux.)Current	accounts 2021 → 2025	Accounts 2025 · 2026-00151827

Company names

Source · NBB annual accounts, CBE

Name	Period	Source
Atelier d’Architecture, Urbanisme et Expertise Eric RongvauxCurrent		CBE
AAUEER - Atelier d'Architecture, Urbanisme et Expertise Eric Rongvaux	accounts 2023 → 2025	Accounts 2025 · 2026-00151827
AAUE ERIC RONGVAUX SRL	accounts 2021 → 2022	Accounts 2022 · 2023-00155109

Events

2025
Annual accounts 2025-17,7 k €↓
2024
Annual accounts 2024-925,9 €↓
2023
Annual accounts 202337,3 k €↑
2023
Name changeAAUEER - Atelier d'Architecture, Urbanisme et Expertise Eric Rongvaux
2022
Annual accounts 202227,3 k €↑
2021
Annual accounts 202117,1 k €↑
2020
Annual accounts 20203 k €↓
2019
Annual accounts 201911,7 k €↓
2018
Annual accounts 201821,5 k €↑
2017
Annual accounts 201710 k €↓
2016
Annual accounts 201625,5 k €↑
2015
Annual accounts 2015-6,7 k €↑
2014
Annual accounts 2014-20,2 k €↓
2013
Annual accounts 2013-1,4 k €↓
2012
Annual accounts 201217,9 k €↓
2011
Annual accounts 201134,1 k €↑
2010
Annual accounts 2010-11,1 k €↓
2009
Annual accounts 2009-5,4 k €↑
2008
Annual accounts 2008-23,3 k €↓
2007
Annual accounts 200731,2 k €↑
2006
Annual accounts 2006-7,9 k €
21/03/2001
IncorporationPrivate limited company

Atelier d’Architecture, Urbanisme et Expertise Eric Rongvaux

Overview

Identity

Financials

Valuation

Indicative valuation

Board of directors

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