ACTIVE

ONSIA FIDUCIAIRE

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Financial year 2025 · Closed on 31/12/2025

Net result220,8 k €-10,3 %over 1 year

Gross margin778,8 k €-9,5 %over 1 year

Equity1,3 M €+3,9 %over 1 year

Workforce6,4 ETP+8,5 %over 1 year

Identity

Source · BCE/KBO

ONSIA FIDUCIAIRE is a Private limited company incorporated in 2004. Its main activity is: Accounting, bookkeeping and auditing activities; tax consultancy. Its registered office is in Heist-op-den-Berg. It employs on average 6,4 ETP workers (FTE).

Legal situation: Normal situation
BCE/KBO no. / VAT: BE 0870.534.022
Incorporation: 13/12/2004
Legal form: Private limited company
Registered office: Mechelsesteenweg 171B
2220 Heist-op-den-Berg · FlandreSee on map
Contributed capital: 18 550,00 €
Latest accounts: 31/12/2025
Average workforce: 6,4 ETP

Activities (NACE)

69201Accounting, bookkeeping and auditing activities; tax consultancy· main 69202Accounting, bookkeeping and auditing activities; tax consultancy 74121Specialised design activities

Joint committees (3)

Contacts

2 public details availableLog in to view

Signals

ProfitableSolid equityLow riskGood liquidityPositive cashflowPositive EBITDAHealthy social debts

Financials

Source · NBB, 20 filings

Trend over 20 financial years

	2025		2024		2023		2022		2021
Income statement
Gross margin	778,8 k €	-9.5%	860,6 k €	+5.9%	812,8 k €	+3.2%	787,5 k €	-6.4%	841,6 k €
EBITDA	328,6 k €	-16.6%	394,2 k €	+34.4%	293,3 k €	-9.3%	323,3 k €	-8.3%	352,7 k €
Operating result	317,7 k €	-9.2%	349,8 k €	+41.5%	247,1 k €	-14.7%	289,9 k €	-13.4%	334,8 k €
Net result	220,8 k €	-10.3%	246,3 k €	+50.0%	164,2 k €	-16.7%	197,1 k €	-12.1%	224,3 k €
Balance sheet
Equity	1,3 M €	+3.9%	1,2 M €	+8.9%	1,1 M €	+4.8%	1,1 M €	+2.8%	1,1 M €
Total assets	1,4 M €	+6.3%	1,4 M €	+9.1%	1,2 M €	-0.1%	1,2 M €	+3.1%	1,2 M €
Cash	422,2 k €	-25.5%	566,4 k €	+27.4%	444,5 k €	-30.8%	642,7 k €	+7.3%	598,9 k €
Debts	144,8 k €	+33.7%	108,3 k €	+9.0%	99,3 k €	-33.7%	149,9 k €	+3.2%	145,3 k €
Other
Workforce	6,4 ETP	+8.5%	5,9 ETP	-15.7%	7,0 ETP	-7.9%	7,6 ETP	+1.3%	7,5 ETP

Valuation

Indicative valuation

As an indication, this company is worth

between 1 M€ and 2,5 M€

See the valuation

Board of directors

Source · NBB, accounts to 31/12/2025

1 active · 2 ended

Active mandates

KAREL ONSIA

Director

Active

Ended mandates

KAREL ONSIA

Manager

Ended

WILLIAM ONSIA

Manager

Ended

Other companies at this address

Mechelsesteenweg 171B 2220 Heist-op-den-Berg

Company	CBE no.
RAW Invest● Active	1030.950.741

Full financial information

Source · NBB

	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	23/07/2026	04/08/2025	30/07/2024	14/07/2023	20/07/2022	31/08/2021
General meeting	05/06/2026	06/06/2025	30/06/2024	25/06/2023	30/06/2022	04/06/2021
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
Abridged model	31/12/2025	05/06/2026	23/07/2026	Dutch	PDF
Abridged model	31/12/2024	06/06/2025	04/08/2025	Dutch	PDF
Abridged model	31/12/2023	30/06/2024	30/07/2024	Dutch	PDF
Abridged model	31/12/2022	25/06/2023	14/07/2023	Dutch	PDF
Abridged model	31/12/2021	30/06/2022	20/07/2022	Dutch	PDF
Abridged model	31/12/2020	04/06/2021	31/08/2021	Dutch	PDF
Abridged model	31/12/2019	05/06/2020	04/09/2020	Dutch	PDF
Abridged model	31/12/2018	07/06/2019	31/08/2019	Dutch	PDF
Abridged model	31/12/2017	01/06/2018	16/08/2018	Dutch	PDF
Abridged model	31/12/2016	02/06/2017	22/08/2017	Dutch	PDF
Abridged model	31/12/2015	03/06/2016	02/07/2016	Dutch	PDF
Abridged model	31/12/2014	05/06/2015	31/08/2015	Dutch	PDF
Abridged model	31/12/2013	06/06/2014	31/08/2014	Dutch	PDF
Abridged model	31/12/2012	07/06/2013	31/08/2013	Dutch	PDF
Abridged model	31/12/2011	01/06/2012	31/08/2012	Dutch	PDF
Abridged model	31/12/2010	03/06/2011	25/08/2011	Dutch	PDF
Abridged model	31/12/2009	04/06/2010	31/08/2010	Dutch	PDF
Abridged model	31/12/2008	05/06/2009	31/08/2009	Dutch	PDF
Abridged model	31/12/2007	06/06/2008	09/07/2008	Dutch	PDF
Abridged model	31/12/2006	01/06/2007	26/07/2007	Dutch	PDF

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.

Board of directors

Source · NBB, accounts to 31/12/2025

1 active · 2 ended

Active mandates

KAREL ONSIA

Director

Active

Ended mandates

KAREL ONSIA

Manager

Ended

WILLIAM ONSIA

Manager

Ended

Ownership and network

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Try for free

Belgian Official Gazette publications

Source · Belgian Official Gazette

Other14/07/2026
—
PDF
Restructuring15/05/2026
RUBRIEK HERSTRUCTURERING (FUSIE, SPLITSING, OVERDRACHT VERMOGEN, ENZ...)
PDF
Mandates02/12/2019
KAPITAAL - AANDELEN - ONTSLAGEN - BENOEMINGEN - STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, ) - WIJZIGING RECHTSVORM
PDF
Capital / shares17/02/2014
KAPITAAL - AANDELEN - STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, )
PDF
Mandates06/04/2010
ONTSLAGEN - BENOEMINGEN
PDF
Registered office02/12/2009
MAATSCHAPPELIJKE ZETEL
PDF
Capital / shares07/01/2009
KAPITAAL - AANDELEN - STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, )
PDF
Capital / shares16/01/2007
KAPITAAL - AANDELEN - ALGEMENE VERGADERING - STATUTEN (VERTALING, COÖRDINATIE, OVERIGE WIJZIGINGEN, )
PDF

Similar companies

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

See the Business plan

Timeline

2025
Annual accounts 2025220,8 k €↓
2024
Annual accounts 2024246,3 k €↑
2023
Annual accounts 2023164,2 k €↓
2022
Annual accounts 2022197,1 k €↓
2021
Annual accounts 2021224,3 k €↑
2020
Annual accounts 2020176,2 k €↑
2019
Annual accounts 2019172,2 k €↑
2018
Annual accounts 2018144,5 k €↑
2017
Annual accounts 2017112,2 k €↑
2016
Annual accounts 2016107,1 k €↓
2015
Annual accounts 2015108,6 k €↑
2014
Annual accounts 2014101 k €↑
2013
Annual accounts 201396,2 k €↓
2012
Annual accounts 2012169,7 k €↑
2011
Annual accounts 2011126,2 k €↑
2010
Annual accounts 201074,4 k €↑
2009
Annual accounts 200932,3 k €↓
2008
Annual accounts 2008105,8 k €↑
2007
Annual accounts 200767,6 k €↑
2006
Annual accounts 200644,5 k €
13/12/2004
IncorporationPrivate limited company

ONSIA FIDUCIAIRE

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