Active · per the CBE, 3 October 2026

CASTOR

BE0885049675

Rechtspersoon Private limited company 1 establishment

CASTOR is filed with the CBE under the catch-all “Overige gespecialiseerde bouwactiviteiten”. Also registered: specialised building contractor, building finishing contractor. Private Limited, started on 17 November 2006, 1 establishment.

Mortselsesteenweg 77, 2100 Antwerpen

Behind the company: Marta Olszówka.

Active for

19 year, 10 months

Financials

Financial year 2025

CASTOR from Antwerpen, company number BE0885049675, closed financial year 2025 with a result of € 1,036 after tax. For that financial year CASTOR recorded a gross margin of € 4,454 and equity of € 173,178. Compared with financial year 2024, the result moved from € 1,060 to € 1,036. The company is profitable. The buffer is growing. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on January 30, 2026.

What it is worth Growing

€ 173,178

▲ 1% vs 2024

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

Profit Healthy

€ 1,036

▼ 2% vs 2024

Profit after tax over the fiscal year.

Where the profit goes Growing

Stays in the company

No dividend for 2025. Retained profit grew to € 166,978.

People and assets in 2025

Full-time equivalents estimate

≈ 1

No payroll staff. One director, so that person most likely runs the business.

Debts at end 2025

Bank debt

€ 19,080

▲ 29% vs 2024

Loans from banks and other lenders, long and short.

Owed to suppliers

€ 9,038

▼ 10% vs 2024

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

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Key figures per fiscal year Download key figures (CSV)
2022202320242025Change 2024 → 2025
Gross margin € 11,571 € 10,317 € 5,271 € 4,454 ▼ 16%
Profit after taxes € 6,360 € 4,095 € 1,060 € 1,036 ▼ 2%
Equity € 166,987 € 171,082 € 172,142 € 173,178 ▲ 1%
Total debts € 28,132 € 30,598 € 36,771 € 39,555 ▲ 8%
Retained profit € 160,787 € 164,882 € 165,942 € 166,978 ▲ 1%
Bank debt € 16,423 € 13,096 € 14,824 € 19,080 ▲ 29%
Balance sheet total € 195,119 € 201,680 € 208,913 € 212,733 ▲ 2%

Key figures of CASTOR, fiscal years 2022 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 30 January 2027.

What happened to CASTOR?

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

  • New annual accounts for financial year 2025: profit of € 1,036 (▼ 2% vs 2024). Source: NBB ↗
  • New establishment in Antwerpen. KBO
  • Start of the company according to the CBE. KBO

In short

From € 6,360 profit in 2022 to € 1,036 profit in 2025.

Paid € 5,417 in corporate taxes since 2022.

Best year ever: 2022, with € 6,360 profit.

Management

Marta Olszówka
CASTOR

Behind CASTOR is Marta Olszówka.

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Directors

According to the 2025 annual accounts

Marta Olszówka

Director

Establishments

Establishment units

Physical locations of this company

Registered office

Mortselsesteenweg 77

2100 Antwerpen

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 2 companies are registered at this address.

All companies at this address →

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

Details

Company number
0885.049.675
VAT number
BE 0885.049.675
Registered office
Mortselsesteenweg 77, 2100 Antwerpen
Names & denominations
CASTOR
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
17 November 2006
Peppol
Active · Active since 1 Jan 2001
Activities · NACE

Overige gespecialiseerde bouwactiviteiten, neg

Overige gespecialiseerde werkzaamheden in de bouw

Overige gespecialiseerde bouwwerkzaamheden

Overige werkzaamheden in verband met de afwerking van gebouwen

Frequently asked questions

What does CASTOR do?
CASTOR is filed with the CBE under the catch-all “Overige gespecialiseerde bouwactiviteiten”. Also registered: specialised building contractor, building finishing contractor. Private Limited, started on 17 November 2006, 1 establishment.
What is the address of CASTOR?
The registered office of CASTOR is located at Mortselsesteenweg 77, 2100 Antwerpen.
Is CASTOR still active?
Yes. According to the CBE (3 October 2026) CASTOR is active, legal situation “Normale toestand”, started on 17 November 2006.
Is CASTOR registered on Peppol?
Yes, CASTOR is registered on the Peppol network with ID 0208:0885049675.
What is the enterprise number of CASTOR?
The enterprise number of CASTOR is BE0885049675.
When was CASTOR founded?
CASTOR was founded on 17 November 2006.