ACTIVE

COLLOQUIUM BRUSSELS

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Financial year 2025 · closed on 31/12/2025

Net result

-21,2 k €

-116.6% YoY

Gross margin

322,8 k €

-40.1% YoY

Equity

83,2 k €

-20.3% YoY

Workforce

4,8 ETP

-27.3% YoY

What does COLLOQUIUM BRUSSELS do?

COLLOQUIUM BRUSSELS is a Public limited company incorporated in 1998. Its main activity is: Other professional, scientific and technical activities. Its registered office is in Bruxelles. It employs on average 4,8 ETP workers (FTE).

Legal situation

● Normal situation

BCE/KBO no. / VAT

BE 0462.336.048

Incorporation

06/01/1998

Legal form

Public limited company

Registered office

Rue des Colonies 56
1000 Bruxelles · BruxellesSee on map

Contributed capital

62 000,00 €

Latest accounts

31/12/2025

Average workforce

4,8 ETP

Activities (NACE)

74872Other professional, scientific and technical activities· main 82300Organisation of conventions and trade shows 82300Organisation of conventions and trade shows

Joint committees (1)

Signals

Solid equityGood liquidityPositive cashflowPositive EBITDAHealthy social debts

View the BCE/KBO Public Search record →

Health score

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✦ Verdict · Analyst summary

Financials

Trend over 18 financial years

	2025		2024		2023		2022		2021		2018		2017		2016		2015		2014		2013		2012		2011		2010		2009		2008		2007		2006
Income statement
Gross margin	322,8 k €	-40.1%	539,3 k €	-23.5%	705,5 k €	+25.4%	562,7 k €	+13.1%	497,5 k €	-13.2%	572,9 k €	-3.5%	593,9 k €	+1009%	53,6 k €	-75.6%	219,6 k €	-38.0%	354,2 k €	-17.5%	429,5 k €	+9.3%	393,1 k €	-44.2%	703,9 k €	-34.1%	1,1 M €	-13.7%	1,2 M €	+44.0%	859,6 k €	-17.3%	1 M €	+160%	399,6 k €
EBITDA	86,5 k €	-56.2%	197,5 k €	+11.6%	177 k €	+45.8%	121,3 k €	+44.0%	84,3 k €	-38.6%	137,2 k €	-32.4%	203 k €	+661%	-36,2 k €	+5.0%	-38,1 k €	-132%	119,4 k €	+2476%	-5 k €	+97.9%	-234,5 k €	-307%	113,3 k €	+3042%	3,6 k €	-96.1%	91,9 k €	-33.6%	138,4 k €	-64.4%	389 k €	+741%	46,2 k €
Operating result	-2,6 k €	-101%	194,1 k €	+15.4%	168,2 k €	+50.4%	111,8 k €	+110%	53,3 k €	-52.4%	111,9 k €	-32.6%	166 k €	+513%	-40,2 k €	+8.0%	-43,7 k €	-139%	112,2 k €	+715%	-18,2 k €	+93.1%	-263,1 k €	-404%	86,7 k €	+295%	-44,5 k €	-194%	47,5 k €	-51.1%	97 k €	-73.6%	367 k €	+960%	34,6 k €
Net result	-21,2 k €	-117%	127,2 k €	+38.3%	92 k €	+21.9%	75,5 k €	+107%	36,4 k €	-64.0%	101,2 k €	-34.9%	155,4 k €	+426%	-47,6 k €	+1.1%	-48,2 k €	-178%	61,4 k €	+252%	-40,3 k €	+85.3%	-273,6 k €	-580%	57 k €	+185%	-67,2 k €	-618%	13 k €	-87.3%	102,4 k €	-53.8%	221,5 k €	+1904%	11,1 k €
Balance sheet
Equity	83,2 k €	-20.3%	104,3 k €	-17.9%	127,1 k €	-6.3%	135,6 k €	+126%	60,1 k €	-41.6%	102,9 k €	+5795%	1,7 k €	+101%	-153,7 k €	-44.9%	-106,1 k €	-83.2%	-57,9 k €	+51.5%	-119,3 k €	-51.0%	-79 k €	-141%	194,6 k €	+41.1%	137,9 k €	-32.8%	205 k €	-8.7%	224,7 k €	-26.8%	306,8 k €	+260%	85,3 k €
Total assets	238,3 k €	-69.9%	790,5 k €	+15.5%	684,1 k €	-19.3%	848 k €	+17.9%	719,2 k €	-12.5%	821,5 k €	+10.4%	743,8 k €	+171%	274,9 k €	-87.8%	2,2 M €	+24.8%	1,8 M €	-52.3%	3,8 M €	-10.7%	4,2 M €	-17.6%	5,1 M €	+187%	1,8 M €	-23.7%	2,3 M €	-3.5%	2,4 M €	-47.8%	4,7 M €	+332%	1,1 M €
Cash	83,6 k €	-30.9%	121 k €	-26.1%	163,6 k €	-59.2%	400,7 k €	+3.6%	386,9 k €	+293%	98,5 k €	+48838%	201,2 €	-99.5%	41,2 k €	-89.2%	380,4 k €	+24.4%	305,7 k €	-63.0%	826,3 k €	-48.9%	1,6 M €	-36.4%	2,5 M €	+1469%	161,9 k €	-35.0%	249 k €	-84.3%	1,6 M €	-55.3%	3,5 M €	+537%	556,5 k €
Debts	67,5 k €	-88.5%	586,2 k €	+5.2%	557 k €	-21.8%	712,4 k €	+8.1%	659 k €	-6.5%	704,9 k €	-5.0%	742 k €	+74.2%	426 k €	-39.9%	709,3 k €	+13.2%	626,5 k €	-60.2%	1,6 M €	-32.7%	2,3 M €	+2.3%	2,3 M €	+58.8%	1,4 M €	+158%	557,6 k €	-74.7%	2,2 M €	-48.9%	4,3 M €	+367%	922,5 k €
Other
Workforce	4,8 ETP	-27.3%	6,6 ETP	-25.8%	8,9 ETP	+32.8%	6,7 ETP	+21.8%	5,5 ETP	-6.8%	5,9 ETP	-4.8%	6,2 ETP	+417%	1,2 ETP	-63.6%	3,3 ETP	-38.9%	5,4 ETP	-26.0%	7,3 ETP	-15.1%	8,6 ETP	-6.5%	9,2 ETP	-51.3%	18,9 ETP	-7.4%	20,4 ETP	+28.3%	15,9 ETP	+15.2%	13,8 ETP	+55.1%	8,9 ETP

Estimate

Indicative valuation

As an indication, this company is worth

between 500 k€ and 1 M€

See the valuation

Governance

Board of directors

Seen on filing of 31/12/2025 · 3 active · 41 ended

Active mandates

Elvire de Chalus

Managing director · since 27 août 2018 · until 16 juin 2032

Active

Chalus Chegaray et Compagnie SA

Director · since 16 juin 2010 · until 16 juin 2032

Represented by Vianney de Chalus

Active

Nathalie de Chalus

Managing director · since 15 janvier 2008 · until 16 juin 2032

Active

Ended mandates

Chalus Chegaray et Compagnie SA

Director · since 23 mars 2020 · until 22 mars 2026

Represented by Vianney de Chalus

Ended

Elvire de Chalus

Managing director · since 23 mars 2020 · until 22 mars 2026

Ended

Nathalie de Chalus

Managing director · since 23 mars 2020 · until 22 mars 2026

Ended

Elvire de Chalus

Managing director · since 27 août 2018 · until 20 mars 2020

Ended

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Annual accounts

Full financial information

	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	01/10/2020	01/10/2019
Closing of the financial year	31/12/2025	31/12/2024	31/12/2023	31/12/2022	31/12/2021	30/09/2020
Length of the financial year	12 months	12 months	12 months	12 months	15 months	12 months
Filing date	12/06/2026	17/07/2025	19/06/2024	03/07/2023	01/07/2022	31/03/2021
General meeting	28/05/2026	12/06/2025	10/06/2024	08/06/2023	17/06/2022	23/03/2021
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

Ratios

Financial ratios

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Filings

Annual accounts filings

20 filings with the NBB

Model	Closing	General meeting	Filed	Language	Document
Abridged model	31/12/2025	28/05/2026	12/06/2026	French	PDF
Abridged model	31/12/2024	12/06/2025	17/07/2025	French	PDF
Abridged model	31/12/2023	10/06/2024	19/06/2024	French	PDF
Abridged model	31/12/2022	08/06/2023	03/07/2023	French	PDF
Abridged model	31/12/2021	17/06/2022	01/07/2022	French	PDF
Abridged model	30/09/2020	23/03/2021	31/03/2021	French	PDF
Abridged model	30/09/2019	23/03/2020	21/04/2020	French	PDF
Abridged model	30/09/2018	01/03/2019	27/03/2019	French	PDF
Abridged model	30/09/2017	19/03/2018	23/03/2018	French	PDF
Abridged model	30/09/2016	27/02/2017	22/03/2017	French	PDF
Abridged model	30/09/2015	29/02/2016	10/03/2016	French	PDF
Abridged model	30/09/2014	20/03/2015	13/04/2015	French	PDF
Abridged model	30/09/2013	31/03/2014	29/04/2014	French	PDF
Abridged model	30/09/2012	28/03/2013	29/04/2013	French	PDF
Abridged model	30/09/2011	30/03/2012	20/04/2012	French	PDF
Abridged model	31/12/2010	16/06/2011	24/06/2011	French	PDF
Abridged model	31/12/2009	16/06/2010	13/07/2010	French	PDF
Abridged model	31/12/2008	16/06/2009	14/07/2009	French	PDF
Abridged model	31/12/2007	19/06/2008	28/08/2008	French	PDF
Abridged model	31/12/2006	21/06/2007	28/09/2007	French	PDF

Estimate

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 500 k€ and 1 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.

Governance

Board of directors

Seen on filing of 31/12/2025 · 3 active · 41 ended

Active mandates

Elvire de Chalus

Managing director · since 27 août 2018 · until 16 juin 2032

Active

Chalus Chegaray et Compagnie SA

Director · since 16 juin 2010 · until 16 juin 2032

Represented by Vianney de Chalus

Active

Nathalie de Chalus

Managing director · since 15 janvier 2008 · until 16 juin 2032

Active

Ended mandates

Chalus Chegaray et Compagnie SA

Director · since 23 mars 2020 · until 22 mars 2026

Represented by Vianney de Chalus

Ended

Elvire de Chalus

Managing director · since 23 mars 2020 · until 22 mars 2026

Ended

Nathalie de Chalus

Managing director · since 23 mars 2020 · until 22 mars 2026

Ended

Elvire de Chalus

Managing director · since 27 août 2018 · until 20 mars 2020

Ended

Shareholders

Ownership and network

Looking for more information about this company?

Try for 7 days

Belgian Official Gazette

Belgian Official Gazette publications

Registered office19/09/2025
SIEGE SOCIAL
PDF
Other19/10/2021
OBJET - STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, )
PDF
Registered office30/12/2020
SIEGE SOCIAL
PDF
Mandates21/10/2020
DEMISSIONS, NOMINATIONS
PDF
Mandates21/09/2018
DEMISSIONS, NOMINATIONS
PDF
Mandates31/12/2015
DEMISSIONS, NOMINATIONS
PDF
Mandates31/10/2014
DEMISSIONS, NOMINATIONS
PDF
Mandates28/10/2013
DEMISSIONS, NOMINATIONS
PDF

Source: Belgian Official Gazette

Competition

Similar companies

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

See the Business plan

2025
Annual accounts 2025-21,2 k €↓
2024
Annual accounts 2024127,2 k €↑
2023
Annual accounts 202392 k €↑
2022
Annual accounts 202275,5 k €↑
2021
Annual accounts 202136,4 k €↓
2018
Annual accounts 2018101,2 k €↓
2017
Annual accounts 2017155,4 k €↑
2016
Annual accounts 2016-47,6 k €↑
2015
Annual accounts 2015-48,2 k €↓
2014
Annual accounts 201461,4 k €↑
2013
Annual accounts 2013-40,3 k €↑
2012
Annual accounts 2012-273,6 k €↓
2011
Annual accounts 201157 k €↑
2010
Annual accounts 2010-67,2 k €↓
2009
Annual accounts 200913 k €↓
2008
Annual accounts 2008102,4 k €↓
2007
Annual accounts 2007221,5 k €↑
2006
Annual accounts 200611,1 k €
06/01/1998
IncorporationPublic limited company

10/15	1 240 000	1 180 000	1 050 000
70	8 630 000	8 120 000	7 940 000
9904	412 000	388 000	301 000
17/49	2 970 000	3 140 000	3 380 000
9087	24,3	23,1	21,8

COLLOQUIUM BRUSSELS

Overview

What does COLLOQUIUM BRUSSELS do?

Trend over 18 financial years

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