ONSIM is a property company in Westerlo. Public Limited, started on 29 September 1986, 1 establishment.

What is the address of ONSIM?

The registered office of ONSIM is located at Houtstraat 3, 2260 Westerlo.

Is ONSIM still active?

Yes. According to the CBE (29 October 2026) ONSIM is active, legal situation “Normale toestand”, started on 29 September 1986.

Is ONSIM registered on Peppol?

Yes, ONSIM is registered on the Peppol network with ID 0208:0429565092.

What is the enterprise number of ONSIM?

The enterprise number of ONSIM is BE0429565092.

When was ONSIM founded?

ONSIM was founded on 29 September 1986.

Who are the directors of ONSIM?

According to the 2025 annual accounts, the directors of ONSIM are: Magda Saenen, Lydia Van Den Bergh.

Is ONSIM a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 29 September 1986; 5 annual accounts filed, latest fiscal year 2025; 2 directors known from the annual account.

How much profit did ONSIM make in 2025?

ONSIM posted a profit after taxes of € 241,944 in financial year 2025.

What is the revenue of ONSIM?

As a small company, ONSIM is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 624,667.

Does ONSIM have a website?

Yes, ONSIM has a website at acbairco.be.

ONSIM (Public Limited) - Westerlo - BE0429565092

Dossier ONSIM, printed on 29 October 2026 from databakkes.be/en/0429565092/onsim. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2025

ONSIM from Westerlo, company number BE0429565092, closed financial year 2025 with a result of € 241,944 after tax. For that financial year ONSIM recorded a gross margin of € 624,667 and equity of € 10.8 million. Compared with financial year 2024, the result moved from € 171,810 to € 241,944. Profitable, and profit is growing. The company holds a healthy buffer. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on June 29, 2026.

What it is worth Healthy

€ 10.8 million

▼ 1% vs 2024

Assets minus debts, by the books. What is left if everything were sold and paid today.

Profit Growing

€ 241,944

▲ 41% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 701,924

▲ 11% vs 2024

Cash and bank balances on the last day of the fiscal year.

Where the profit goes Pays out

€ 383,129 paid out

More than the year’s profit went to the shareholders; reserves fell.

People and assets in 2025

Wage cost

€ 42,976

▲ 19% vs 2024

Payroll staff only. What the director pays themselves is already netted into the gross margin and is not shown separately in the accounts.

Vehicles and equipment

€ 82,446

▲ 71% vs 2024

Of which on lease € 71,996.

Debts at end 2025

Bank debt ≈ 4 years to go The accounts give the long-term loan and the part due within the year. The remainder divided by that part is the number of years at an equal pace; a new loan or early repayment changes it.

€ 72,717

▲ 108% vs 2024

€ 18,840 is repaid this year. At this pace the long-term loan is gone in ≈ 4 years.

Owed to suppliers

€ 66,542

▲ 10% vs 2024

Supplier invoices still open on the last day of the fiscal year.

Taxes and wages

€ 7,712

▲ 170% vs 2024

Taxes, VAT and social contributions still to pay.

Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 455,585 Gross margin 2022: € 455,585 First fiscal year in the series	€ 515,620 Gross margin 2023: € 515,620 ▲ 13% vs 2022 (€ 455,585) Favourable step	€ 549,157 Gross margin 2024: € 549,157 ▲ 7% vs 2023 (€ 515,620) Favourable step	€ 624,667 Gross margin 2025: € 624,667 ▲ 14% vs 2024 (€ 549,157) Favourable step	▲ 14%
Profit after taxes	€ 183,717 Profit after taxes 2022: € 183,717 First fiscal year in the series	€ 99,133 Profit after taxes 2023: € 99,133 ▼ 46% vs 2022 (€ 183,717) Unfavourable step	€ 171,810 Profit after taxes 2024: € 171,810 ▲ 73% vs 2023 (€ 99,133) Favourable step	€ 241,944 Profit after taxes 2025: € 241,944 ▲ 41% vs 2024 (€ 171,810) Favourable step	▲ 41%
Equity	€ 10,878,821 Equity 2022: € 10,878,821 First fiscal year in the series	€ 10,977,955 Equity 2023: € 10,977,955 ▲ 1% vs 2022 (€ 10,878,821) Favourable step	€ 10,937,248 Equity 2024: € 10,937,248 Unchanged (€ 10,977,955) Unfavourable step	€ 10,796,063 Equity 2025: € 10,796,063 ▼ 1% vs 2024 (€ 10,937,248) Unfavourable step	▼ 1%
Total debts	€ 526,583 Total debts 2022: € 526,583 First fiscal year in the series	€ 423,967 Total debts 2023: € 423,967 ▼ 19% vs 2022 (€ 526,583) Favourable step	€ 449,824 Total debts 2024: € 449,824 ▲ 6% vs 2023 (€ 423,967) Unfavourable step	€ 630,355 Total debts 2025: € 630,355 ▲ 40% vs 2024 (€ 449,824) Unfavourable step	▲ 40%
Cash	€ 1,799,815 Cash 2022: € 1,799,815 First fiscal year in the series	€ 481,586 Cash 2023: € 481,586 ▼ 73% vs 2022 (€ 1,799,815) Unfavourable step	€ 630,198 Cash 2024: € 630,198 ▲ 31% vs 2023 (€ 481,586) Favourable step	€ 701,924 Cash 2025: € 701,924 ▲ 11% vs 2024 (€ 630,198) Favourable step	▲ 11%
Land & buildings	€ 9,642,686 Land & buildings 2022: € 9,642,686 First fiscal year in the series	€ 10,978,101 Land & buildings 2023: € 10,978,101 ▲ 14% vs 2022 (€ 9,642,686) Unchanged	€ 10,859,622 Land & buildings 2024: € 10,859,622 ▼ 1% vs 2023 (€ 10,978,101) Unchanged	€ 10,753,461 Land & buildings 2025: € 10,753,461 ▼ 1% vs 2024 (€ 10,859,622) Unchanged	▼ 1%
Retained profit	€ 1,564,697 Retained profit 2022: € 1,564,697 First fiscal year in the series	€ 1,663,831 Retained profit 2023: € 1,663,831 ▲ 6% vs 2022 (€ 1,564,697) Favourable step	€ 1,623,124 Retained profit 2024: € 1,623,124 ▼ 2% vs 2023 (€ 1,663,831) Unfavourable step	€ 1,481,939 Retained profit 2025: € 1,481,939 ▼ 9% vs 2024 (€ 1,623,124) Unfavourable step	▼ 9%
Dividend	€ 0 Dividend 2022: € 0 First fiscal year in the series	€ 0 Dividend 2023: € 0 Unchanged (€ 0) Unchanged	€ 212,517 Dividend 2024: € 212,517 Unchanged (€ 0) Unchanged	€ 383,129 Dividend 2025: € 383,129 ▲ 80% vs 2024 (€ 212,517) Unchanged	▲ 80%
Bank debt	€ 2,648 Bank debt 2022: € 2,648 First fiscal year in the series	€ 44,075 Bank debt 2023: € 44,075 ▲ € 41,427 vs 2022 (€ 2,648) Unfavourable step	€ 34,962 Bank debt 2024: € 34,962 ▼ 21% vs 2023 (€ 44,075) Favourable step	€ 72,717 Bank debt 2025: € 72,717 ▲ 108% vs 2024 (€ 34,962) Unfavourable step	▲ 108%
Balance sheet total	€ 11,610,091 Balance sheet total 2022: € 11,610,091 First fiscal year in the series	€ 11,598,646 Balance sheet total 2023: € 11,598,646 Unchanged (€ 11,610,091) Unchanged	€ 11,571,951 Balance sheet total 2024: € 11,571,951 Unchanged (€ 11,598,646) Unchanged	€ 11,601,063 Balance sheet total 2025: € 11,601,063 Unchanged (€ 11,571,951) Unchanged

Key figures of ONSIM, fiscal years 2022 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 31 July 2027.

What happened to ONSIM?

What happened at ONSIM in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

2031 Lydia Van Den Bergh stepped down as director. NBB
Jun 29, 2026 New annual accounts for financial year 2025: profit of € 241,944 (▲ 41% vs 2024). Source: NBB ↗
2025 Lydia Van Den Bergh became a director. NBB
Nov 17, 1986 New establishment in Westerlo. KBO
Sep 29, 1986 Start of the company according to the CBE. KBO

In short

From € 183,717 profit in 2022 to € 241,944 profit in 2025.

Paid € 373,265 in corporate taxes since 2022.

Best year ever: 2025, with € 241,944 profit.

Paid out € 595,645 in dividends to the owners in total.

Original PDFs at the National Bank ↗

Management

Magda Saenen

ONSIM

Behind ONSIM is Magda Saenen.

Directors

According to the 2025 annual accounts

Magda Saenen

Director

Lydia Van Den Bergh

Director

since 2025 · until 2031

Establishments

Establishment units

Physical locations of this company

Registered office

Houtstraat 3

2260 Westerlo

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 4 companies are registered at this address.

All companies at this address →

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What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.

Website

HTTPS acbairco.be

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Details

Company number: 0429.565.092
VAT number: BE 0429.565.092
Registered office: Houtstraat 3, 2260 Westerlo
Names & denominations: ONSIM
Enterprise type: Rechtspersoon
Legal form: Public limited company
Legal situation: Normale toestand
Start date: 29 September 1986
Peppol: Active · Active since 24 Nov 2023
Contact: acbairco.be
Activities · NACE: Verhuur en exploitatie van eigen of geleased residentieel onroerend goed, exclusief sociale woningen

View on CBE Public ↗ Annual accounts (NBB) ↗