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ONSIM

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BE0429565092

Rechtspersoon Public limited company 1 establishment

Houtstraat 3, 2260 Westerlo Verhuur en exploitatie van eigen of geleased residentieel onroerend goed, exclusief sociale woningen acbairco.be

Active for

39 year, 11 months

Financials

Financial year 2025

Gross margin

€ 624,667

▲ 14% vs 2024

Profit

Growing

€ 241,944

▲ 41% vs 2024

Debts

Low

€ 630,355

▲ 40% vs 2024

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 happened at ONSIM?

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

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

In short

From € 204,272 profit in 2021 to € 241,944 profit in 2025.

Paid € 470,875 in corporate taxes since 2021.

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

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

A new publication or filing at ONSIM? We notify you, reason included.

Follow ONSIM

Need more data?

History

Every financial year, as far back as the National Bank goes.

Buffer

How long does the company survive without income?

Credit limit

Indicative credit limit, computed from the real figures.

Alerts

New annual account: profit halved. New
Gazette: capital increase of 250k. New

News about who you follow, reason included.

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Management

Magda Saenen
ONSIM

Behind ONSIM is Magda Saenen.

See the full network in the app

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

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

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 3 companies are registered at this address.

Website

Technologies

AMPASP.NETAWS S3Cloudflare CDNJSFont AwesomeGoogle FontsGoogle Tag ManagerIISOpenCartOptinMonsterSlickYoast SEOjQueryjQuery UIjsDelivrlazysizes

Hosting & Email

Email provider

Microsoft 365

Hosting

HETZNER-AS, DE

DNS

TransIP DNS

Website info

HTTPS Ja
Languages NL

Features

Webshop Blog Jobs Client portal Ads

Security

HTTPS
SPF
DMARC

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

Frequently asked questions

What is the enterprise number of ONSIM?
The enterprise number of ONSIM is BE0429565092.
What is the address of ONSIM?
The registered office of ONSIM is located at Houtstraat 3, 2260 Westerlo.
When was ONSIM founded?
ONSIM was founded on 29 September 1986.
What is the main activity of ONSIM?
The main activity of ONSIM is "Verhuur en exploitatie van eigen of geleased residentieel onroerend goed, exclusief sociale woningen" (NACE code 68201).
Does ONSIM have a website?
Yes, ONSIM has a website at acbairco.be.
Does ONSIM have an online shop?
Yes, ONSIM has an online shop.
Is ONSIM active on social media?
Yes, ONSIM is active on Youtube, Facebook, Linkedin, Instagram.
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.
Where can I find the annual accounts of ONSIM?
ONSIM files its annual accounts with the Central Balance Sheet Office of the National Bank of Belgium. The key figures for recent financial years are available for free on this page.
Who are the directors of ONSIM?
According to the 2025 annual accounts, the directors of ONSIM are: Magda Saenen, Lydia Van Den Bergh.
Who owns ONSIM?
Behind ONSIM is Magda Saenen.