ACTIVE

INSTITUT NATIONAL DES SILICATES

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Financial year 2025 · closed on 31/12/2025

Net result

46,1 k €

-0.0% YoY

Revenue

6,7 M €

+5.5% YoY

Equity

220,3 k €

+26.5% YoY

Workforce

35,7 ETP

-1.7% YoY

What does INSTITUT NATIONAL DES SILICATES do?

INSTITUT NATIONAL DES SILICATES is a Non-profit organization incorporated in 1938. Its registered office is in Mons. It employs on average 35,7 ETP workers (FTE).

Legal situation

● Normal situation

BCE/KBO no. / VAT

BE 0401.144.686

Incorporation

05/02/1938

Legal form

Non-profit organization

Registered office

Av. du Gouverneur E. Cornez 4
7000 Mons · WallonieSee on map

Latest accounts

31/12/2025

Average workforce

35,7 ETP

Joint committees (3)

Contacts

1 public detail availableLog in to view

Signals

ProfitablePositive cashflowPositive EBITDAHealthy social debts

View the BCE/KBO Public Search record →

Health score

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✦ Verdict · Analyst summary

Financials

Trend over 19 financial years

	2025		2024		2023		2022		2021		2020		2019		2018		2017		2016		2015		2014		2013		2012		2011		2010		2009		2008		2007
Income statement
Revenue	6,7 M €	+5.5%	6,4 M €	+9.2%	5,8 M €	+1.9%	5,7 M €	+3.2%	5,6 M €	+16.1%	4,8 M €	-14.7%	5,6 M €	-2.0%	5,7 M €	+7.9%	5,3 M €	+7.8%	4,9 M €	+4.0%	4,7 M €	+4.0%	4,6 M €	-3.0%	4,7 M €	+6.8%	4,4 M €	-3.2%	4,5 M €	+22.9%	3,7 M €	-0.3%	3,7 M €	+1.1%	3,7 M €	+0.4%	3,6 M €
EBITDA	353,3 k €	-1.8%	359,7 k €	+26.8%	283,6 k €	+22.3%	231,9 k €	-39.1%	380,6 k €	+5.1%	362,3 k €	+3.8%	349,1 k €	+121%	-1,6 M €	-656%	293,8 k €	+10.2%	266,5 k €	-0.1%	266,8 k €	+56.9%	170 k €	-16.4%	203,5 k €	+37.0%	148,6 k €	-28.4%	207,4 k €	+12.7%	184 k €	-0.1%	184,2 k €	+0.8%	182,7 k €	+3.0%	177,5 k €
Operating result	-47 k €	+4.5%	-49,3 k €	+43.0%	-86,4 k €	+47.1%	-163,5 k €	-773%	-18,7 k €	-272%	-5 k €	+61.7%	-13,1 k €	+99.3%	-2 M €	-17482%	-11,3 k €	-19.7%	-9,5 k €	-483%	-1,6 k €	+97.4%	-63 k €	-1967%	-3 k €	+92.5%	-40,7 k €	-444%	11,8 k €	-14.0%	13,8 k €	+236%	4,1 k €	+233%	-3,1 k €	-244%	2,1 k €
Net result	46,1 k €	-0.0%	46,1 k €	+525%	7,4 k €	+179%	2,6 k €	-42.3%	4,6 k €	-77.7%	20,6 k €	+330%	4,8 k €	-4.9%	5 k €	+18.8%	4,2 k €	-36.5%	6,7 k €	+136%	2,8 k €	+39.1%	2 k €	+207%	663 €	-63.7%	1,8 k €	+1560%	110 €	+1275%	8 €	-99.5%	1,6 k €	+140%	655 €	+378%	137 €
Balance sheet
Equity	220,3 k €	+26.5%	174,2 k €	+36.0%	128,1 k €	+6.1%	120,7 k €	+2.2%	118,1 k €	+4.0%	113,5 k €	+22.2%	92,9 k €	+5.4%	88,1 k €	+6.1%	83 k €	+5.4%	78,8 k €	+9.3%	72,1 k €	+4.1%	69,3 k €	+3.0%	67,2 k €	+1.0%	66,6 k €	+2.8%	64,7 k €	+0.2%	64,6 k €	+0.0%	64,6 k €	+2.5%	63,1 k €	+1.0%	62,4 k €
Total assets	4,7 M €	+2.2%	4,6 M €	-6.8%	4,9 M €	-8.1%	5,4 M €	-1.7%	5,4 M €	-8.7%	6 M €	+7.0%	5,6 M €	-0.1%	5,6 M €	+26.8%	4,4 M €	+9.9%	4 M €	+14.7%	3,5 M €	-1.2%	3,5 M €	-1.7%	3,6 M €	-6.7%	3,9 M €	+9.6%	3,5 M €	+4.7%	3,4 M €	-21.5%	4,3 M €	-10.3%	4,8 M €	-6.8%	5,1 M €
Cash	130,5 k €	+54.2%	84,6 k €	-16.3%	101 k €	+15.4%	87,6 k €	+3.5%	84,6 k €	+22.0%	69,3 k €	-9.8%	76,9 k €	+38.7%	55,5 k €	-32.9%	82,6 k €	+14.7%	72 k €	+6.3%	67,7 k €	+126%	30 k €	+816%	3,3 k €	-97.6%	136,9 k €	+213%	43,8 k €	-55.6%	98,7 k €	+863%	10,3 k €	-75.9%	42,6 k €	-76.1%	178,2 k €
Debts	3,9 M €	-1.3%	3,9 M €	-11.2%	4,4 M €	-15.6%	5,2 M €	-1.8%	5,3 M €	-8.9%	5,9 M €	+6.8%	5,5 M €	-0.2%	5,5 M €	+27.2%	4,3 M €	+10.0%	3,9 M €	+14.8%	3,4 M €	-1.3%	3,5 M €	-1.8%	3,5 M €	-6.8%	3,8 M €	+9.7%	3,5 M €	+4.8%	3,3 M €	-21.8%	4,2 M €	-10.4%	4,7 M €	-6.9%	5 M €
Other
Workforce	35,7 ETP	-1.7%	36,3 ETP	+22.6%	29,6 ETP	+3.9%	28,5 ETP	-12.0%	32,4 ETP	-6.6%	34,7 ETP	-6.7%	37,2 ETP	+2.2%	36,4 ETP	-1.4%	36,9 ETP	+0.5%	36,7 ETP	+6.1%	34,6 ETP	+3.3%	33,5 ETP	0.0%	33,5 ETP	-4.0%	34,9 ETP	-0.3%	35,0 ETP	-6.7%	37,5 ETP	+2.5%	36,6 ETP	-8.3%	39,9 ETP	+0.8%	39,6 ETP

Estimate

Indicative valuation

As an indication, this company is worth

between 1 M€ and 2,5 M€

See the valuation

Governance

Board of directors

Seen on filing of 31/12/2025 · 4 active · 17 ended

Active mandates

Christoph Mattheeuws

Director

Active

Ludovic Deliège

Director

Active

Michel Lemaire

Chairman of the board of directors

Active

Véronique Feldheim

Director

Active

Ended mandates

André Vasseur

Director

Ended

André Wauters

Chairman of the board of directors

Ended

André Wauters

Director

Ended

Axel Kupisiewicz

Director

Ended

At this address

Other companies at this address

Company	CBE no.
AM INISMa-ARCEA● Active	1008.068.342
AM INISMa-BTEE● Active	1000.885.689
Belgian Ceramic Society● Active	0408.944.575
CENTRE DE RECHERCHES DE L'INDUS● Active	0624.556.571
Centre de Recherches de l'Industrie Belge de la Ceramique● Active	0409.119.571
EUROPEAN CERAMIC SOCIETY● Active	0535.566.197
FEDERATION DES INDUSTRIES CERAMIQUES DE BELGIQUE, en néerlandais VERBOND DER KERAMISCHE NIJVERHEID VAN BELGIE● Active	0407.605.183
INISMA ASBL + LABOMOSAN SA● Active	0828.215.692
INISMA ASBL + LABOTOUR SA● Active	0828.215.494
Journal of European Ceramic Society Trust● Active	0893.385.836
Pollen AM - Belgium● Active	1001.735.430

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	01/01/2021	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	27/07/2026	12/08/2025	17/07/2024	20/07/2023	04/07/2022	12/07/2021
General meeting	29/06/2026	26/06/2025	20/06/2024	22/06/2023	30/06/2022	24/06/2021
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

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	29/06/2026	27/07/2026	French	PDF
Abridged model	31/12/2024	26/06/2025	12/08/2025	French	PDF
Abridged model	31/12/2023	20/06/2024	17/07/2024	French	PDF
Abridged model	31/12/2022	22/06/2023	20/07/2023	French	PDF
Abridged model	31/12/2021	30/06/2022	04/07/2022	French	PDF
Abridged model	31/12/2020	24/06/2021	12/07/2021	French	PDF
Abridged model	31/12/2019	24/06/2020	13/07/2020	French	PDF
Abridged model	31/12/2018	27/06/2019	25/07/2019	French	PDF
Abridged model	31/12/2017	28/06/2018	06/07/2018	French	PDF
Abridged model	31/12/2016	26/06/2017	21/08/2017	French	PDF
Abridged model	31/12/2015	30/05/2016	24/06/2016	French	PDF
Abridged model	31/12/2014	29/06/2015	10/07/2015	French	PDF
Abridged model	31/12/2013	25/06/2014	18/07/2014	French	PDF
Abridged model	31/12/2012	19/06/2013	17/07/2013	French	PDF
Abridged model	31/12/2011	19/06/2012	11/07/2012	French	PDF
Abridged model	31/12/2010	20/05/2011	06/07/2011	French	PDF
Abridged model	31/12/2009	17/06/2010	15/07/2010	French	PDF
Abridged model	31/12/2008	12/06/2009	25/06/2009	French	PDF
Abridged model	31/12/2007	19/06/2008	26/06/2008	French	PDF
Abridged model	31/12/2006	13/06/2007	28/06/2007	French	PDF

Estimate

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 1 M€ and 2,5 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 · 4 active · 17 ended

Active mandates

Christoph Mattheeuws

Director

Active

Ludovic Deliège

Director

Active

Michel Lemaire

Chairman of the board of directors

Active

Véronique Feldheim

Director

Active

Ended mandates

André Vasseur

Director

Ended

André Wauters

Chairman of the board of directors

Ended

André Wauters

Director

Ended

Axel Kupisiewicz

Director

Ended

Shareholders

Ownership and network

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Belgian Official Gazette

Belgian Official Gazette publications

Dissolution05/08/2026
RUBRIQUE FIN (CESSATION, ANNULATION CESSATION, NULLITE, CONC, REORGANISATION JUDICIAIRE, ETC...) - DEMISSIONS, NOMINATIONS
PDF
Mandates06/01/2026
DEMISSIONS, NOMINATIONS
PDF
Mandates06/01/2026
DEMISSIONS, NOMINATIONS
PDF
Mandates30/07/2025
DEMISSIONS, NOMINATIONS
PDF
Other05/03/2024
STATUTS (TRADUCTION, COORDINATION, AUTRES MODIFICATIONS, )
PDF
Mandates18/01/2024
DEMISSIONS, NOMINATIONS
PDF
Mandates16/12/2021
DEMISSIONS, NOMINATIONS
PDF
Mandates09/04/2021
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 202546,1 k €↓
2024
Annual accounts 202446,1 k €↑
2023
Annual accounts 20237,4 k €↑
2022
Annual accounts 20222,6 k €↓
2021
Annual accounts 20214,6 k €↓
2020
Annual accounts 202020,6 k €↑
2019
Annual accounts 20194,8 k €↓
2018
Annual accounts 20185 k €↑
2017
Annual accounts 20174,2 k €↓
2016
Annual accounts 20166,7 k €↑
2015
Annual accounts 20152,8 k €↑
2014
Annual accounts 20142 k €↑
2013
Annual accounts 2013663 €↓
2012
Annual accounts 20121,8 k €↑
2011
Annual accounts 2011110 €↑
2010
Annual accounts 20108 €↓
2009
Annual accounts 20091,6 k €↑
2008
Annual accounts 2008655 €↑
2007
Annual accounts 2007137 €
05/02/1938
IncorporationNon-profit organization

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

INSTITUT NATIONAL DES SILICATES

Overview

What does INSTITUT NATIONAL DES SILICATES do?

Trend over 19 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