ACTIVE

ONDERNEMINGEN IR. OSCAR DE JONGE EN ZOON

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Financial year 2025 · closed on 31/12/2025

Net result

159,5 k €

-11.1% YoY

Gross margin

1,7 M €

-5.5% YoY

Equity

1,7 M €

+10.2% YoY

Workforce

20,7 ETP

-11.9% YoY

What does ONDERNEMINGEN IR. OSCAR DE JONGE EN ZOON do?

ONDERNEMINGEN IR. OSCAR DE JONGE EN ZOON is a Public limited company incorporated in 1975. Its registered office is in Aalst. It employs on average 20,7 ETP workers (FTE).

Legal situation

● Normal situation

BCE/KBO no. / VAT

BE 0415.600.161

Incorporation

24/12/1975

Legal form

Public limited company

Registered office

Brusselse steenweg 2 box A
9300 Aalst · FlandreSee on map

Contributed capital

600 000,00 €

Latest accounts

31/12/2025

Average workforce

20,7 ETP

Joint committees (3)

Signals

ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDAHealthy social debts

View the BCE/KBO Public Search record →

Health score

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✦ Verdict · Analyst summary

Financials

Trend over 13 financial years

	2025		2024		2023		2022		2021		2015		2014		2013		2012		2011		2010		2009		2008
Income statement
Gross margin	1,7 M €	-5.5%	1,8 M €	-3.4%	1,9 M €	+16.8%	1,6 M €	+13.3%	1,4 M €	+4.7%	1,3 M €	+14.6%	1,2 M €	+5.4%	1,1 M €	-2.3%	1,1 M €	-0.7%	1,1 M €	+9.3%	1 M €	-3.0%	1,1 M €	-3.2%	1,1 M €
EBITDA	415,2 k €	-5.8%	440,8 k €	-10.6%	493,3 k €	+43.1%	344,7 k €	+94.7%	177,1 k €	-38.3%	287,1 k €	+102%	141,9 k €	-17.2%	171,3 k €	-0.0%	171,3 k €	+9.0%	157,2 k €	-21.0%	199 k €	-2.3%	203,7 k €	+25.5%	162,3 k €
Operating result	231,6 k €	-4.4%	242,3 k €	-20.7%	305,4 k €	+79.9%	169,8 k €	+834%	18,2 k €	-86.8%	138 k €	+666%	18 k €	-69.9%	60 k €	+39.6%	43 k €	+148%	17,3 k €	-63.9%	48 k €	-18.7%	59,1 k €	-2.7%	60,7 k €
Net result	159,5 k €	-11.1%	179,4 k €	-18.4%	220 k €	+56.1%	140,9 k €	+1981%	6,8 k €	-91.1%	76,2 k €	+1562%	4,6 k €	-88.6%	40,4 k €	+37.1%	29,4 k €	+492%	-7,5 k €	-162%	12 k €	-63.7%	33,1 k €	+14.8%	28,9 k €
Balance sheet
Equity	1,7 M €	+10.2%	1,6 M €	+12.9%	1,4 M €	+18.8%	1,2 M €	+13.7%	1 M €	+55.3%	663,6 k €	+13.0%	587,4 k €	+0.4%	585,3 k €	+7.4%	544,9 k €	+5.7%	515,5 k €	-1.4%	523 k €	+2.4%	511 k €	+6.9%	477,8 k €
Total assets	2,7 M €	+3.5%	2,6 M €	-4.3%	2,8 M €	+16.2%	2,4 M €	-3.4%	2,5 M €	+8.5%	2,3 M €	+1.7%	2,2 M €	+19.1%	1,9 M €	+6.0%	1,8 M €	-8.8%	1,9 M €	+17.3%	1,6 M €	-2.6%	1,7 M €	+3.4%	1,6 M €
Cash	682,1 k €	+3.3%	660,3 k €	+3.1%	640,5 k €	+127%	282,3 k €	-8.1%	307 k €	+40.1%	219,1 k €		–		–		132,5 k €	+39384%	335,6 €		–		–		–
Debts	943,1 k €	-5.5%	998,2 k €	-18.7%	1,2 M €	+9.8%	1,1 M €	-14.2%	1,3 M €	-16.2%	1,6 M €	+6.8%	1,5 M €	+23.6%	1,2 M €	+2.8%	1,1 M €	-16.8%	1,4 M €	+39.1%	988,5 k €	-15.7%	1,2 M €	+1.9%	1,2 M €
Other
Workforce	20,7 ETP	-11.9%	23,5 ETP	-4.1%	24,5 ETP	0.0%	24,5 ETP	+0.8%	24,3 ETP	+0.4%	24,2 ETP	+1.7%	23,8 ETP	-1.2%	24,1 ETP	-4.7%	25,3 ETP	-1.9%	25,8 ETP	+4.0%	24,8 ETP	+3.3%	24,0 ETP	-9.4%	26,5 ETP

Estimate

Indicative valuation

As an indication, this company is worth

between 2,5 M€ and 5 M€

See the valuation

Governance

Board of directors

Seen on filing of 31/12/2025 · 2 active · 10 ended

Active mandates

Ann De Jonge

Director · since 28 mai 2022 · until 27 mai 2028

Active

Nick De Jonge

Director · since 16 novembre 2020

Active

Ended mandates

Nick De Jonge

Director · since 16 novembre 2020 · until 16 novembre 2026

Ended

Herman De Jonge

Director · since 31 mai 2014 · until 30 mai 2020

Ended

Herman De Jonge

Managing director · since 31 mai 2014 · until 30 mai 2020

Ended

Nelly Ringoir

Director · since 31 mai 2014 · until 19 janvier 2018

Ended

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	10/07/2026	14/07/2025	20/06/2024	20/06/2023	21/06/2022	03/06/2021
General meeting	30/06/2026	31/05/2025	25/05/2024	27/05/2023	28/05/2022	29/05/2021
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

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	30/06/2026	10/07/2026	Dutch	PDF
Abridged model	31/12/2024	31/05/2025	14/07/2025	Dutch	PDF
Abridged model	31/12/2023	25/05/2024	20/06/2024	Dutch	PDF
Abridged model	31/12/2022	27/05/2023	20/06/2023	Dutch	PDF
Abridged model	31/12/2021	28/05/2022	21/06/2022	Dutch	PDF
Abridged model	31/12/2020	29/05/2021	03/06/2021	Dutch	PDF
Abridged model	31/12/2019	30/05/2020	10/06/2020	Dutch	PDF
Abridged model	31/12/2018	25/05/2019	09/06/2019	Dutch	PDF
Abridged model	31/12/2017	26/05/2018	09/07/2018	Dutch	PDF
Abridged model	31/12/2016	30/06/2017	09/08/2017	Dutch	PDF
Abridged model	31/12/2015	30/06/2016	29/08/2016	Dutch	PDF
Abridged model	31/12/2014	30/06/2015	19/08/2015	Dutch	PDF
Abridged model	31/12/2013	30/06/2014	22/08/2014	Dutch	PDF
Abridged model	31/12/2012	30/06/2013	12/07/2013	Dutch	PDF
Abridged model	31/12/2011	30/06/2012	31/08/2012	Dutch	PDF
Abridged model	31/12/2010	28/05/2011	20/06/2011	Dutch	PDF
Abridged model	31/12/2009	29/05/2010	25/08/2010	Dutch	PDF
Abridged model	31/12/2008	30/06/2009	07/07/2009	Dutch	PDF
Abridged model	31/12/2007	31/05/2008	05/06/2008	Dutch	PDF
Abridged model	31/12/2006	28/03/2007	30/03/2007	Dutch	PDF

Estimate

Indicative valuation

Order of magnitude

As an indication, this company is worth

between 2,5 M€ and 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 · 2 active · 10 ended

Active mandates

Ann De Jonge

Director · since 28 mai 2022 · until 27 mai 2028

Active

Nick De Jonge

Director · since 16 novembre 2020

Active

Ended mandates

Nick De Jonge

Director · since 16 novembre 2020 · until 16 novembre 2026

Ended

Herman De Jonge

Director · since 31 mai 2014 · until 30 mai 2020

Ended

Herman De Jonge

Managing director · since 31 mai 2014 · until 30 mai 2020

Ended

Nelly Ringoir

Director · since 31 mai 2014 · until 19 janvier 2018

Ended

Shareholders

Ownership and network

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Belgian Official Gazette

Belgian Official Gazette publications

Mandates26/05/2023
ONTSLAGEN - BENOEMINGEN
PDF
Mandates23/11/2020
ONTSLAGEN - BENOEMINGEN
PDF
Mandates18/06/2020
ONTSLAGEN - BENOEMINGEN
PDF
Mandates20/06/2018
MAATSCHAPPELIJKE ZETEL - ONTSLAGEN - BENOEMINGEN
PDF
Mandates01/09/2014
ONTSLAGEN - BENOEMINGEN
PDF
Mandates18/06/2008
ONTSLAGEN - BENOEMINGEN
PDF
Capital / shares14/12/2006
KAPITAAL - AANDELEN - ALGEMENE VERGADERING - STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, )
PDF
Mandates20/03/2006
ONTSLAGEN - BENOEMINGEN
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 2025159,5 k €↓
2024
Annual accounts 2024179,4 k €↓
2023
Annual accounts 2023220 k €↑
2022
Annual accounts 2022140,9 k €↑
2021
Annual accounts 20216,8 k €↓
2021
Name changeOndernemingen Ingenieur De Jonge Oscar en Zoon
2015
Annual accounts 201576,2 k €↑
2014
Annual accounts 20144,6 k €↓
2013
Annual accounts 201340,4 k €↑
2012
Annual accounts 201229,4 k €↑
2011
Annual accounts 2011-7,5 k €↓
2010
Annual accounts 201012 k €↓
2009
Annual accounts 200933,1 k €↑
2008
Annual accounts 200828,9 k €
2008
Name changeONDERNEMINGEN IR. OSCAR DE JONGE EN ZOON
24/12/1975
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

ONDERNEMINGEN IR. OSCAR DE JONGE EN ZOON

Overview

What does ONDERNEMINGEN IR. OSCAR DE JONGE EN ZOON do?

Trend over 13 financial years

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