Financials
Financial year 2025
Mariën & Zoon from Leuven, company number BE0842101342, closed financial year 2025 with a result of € 131,826 after tax. For that financial year Mariën & Zoon recorded a gross margin of € 154,872 and equity of € 103,014. Compared with financial year 2024, the result moved from € -83,908 to € 131,826. Profitable, and profit is growing. 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 August 28, 2026.
€ 103,014
▲ € 131,826 vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 131,826
▲ still € 83,908 loss in 2024
Profit after tax over the fiscal year.
€ 6,192
▲ 63% vs 2024
Cash and bank balances on the last day of the fiscal year.
Stays in the company
No dividend for 2025. Retained profit grew to € 58,014.
People and assets in 2025
≈ 1
No payroll staff. One director, so that person most likely runs the business.
Debts at end 2025
None
No bank loans on the last day of the fiscal year.
€ 2,278
▼ 97% vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 2,272
▲ € 1,730 vs 2024
Corporate tax and VAT still to pay. No wage debt: nothing outstanding to staff or social security.
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| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € 71,367 | € 7,272 | € -82,088 | € 154,872 | ▲ € 236,960 |
| Profit after taxes | € 70,342 | € 5,418 | € -83,908 | € 131,826 | ▲ € 215,734 |
| Equity | € 49,679 | € 55,096 | € -28,812 | € 103,014 | ▲ € 131,826 |
| Total debts | € 39,608 | € 1,898 | € 76,626 | € 4,550 | ▼ 94% |
| Cash | € 3,957 | € 3,722 | € 3,803 | € 6,192 | ▲ 63% |
| Retained profit | € 4,679 | € 10,096 | € -73,812 | € 58,014 | ▲ € 131,826 |
| Balance sheet total | € 89,287 | € 56,995 | € 47,814 | € 107,564 | ▲ 125% |
Key figures of Mariën & Zoon, 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 Mariën & Zoon?
What happened at Mariën & Zoon in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: profit of € 131,826. filed late Source: NBB ↗
- New establishment in Leuven. KBO
- Start of the company according to the CBE. KBO
In short
From € 70,342 profit in 2022 to € 131,826 profit in 2025.
Paid € 22,818 in corporate taxes since 2022.
Best year ever: 2025, with € 131,826 profit.
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De Lijn 8 June 2026 New annual account 2025
filed on 8 June 2026
What was left
€ 20 k ▼ 91%
Money in the bank
€ 178 k ▼ 98%
Open the dossier →
NMBS 8 June 2026 New annual account 2025 What was left ▼ 80%
bpost 18 May 2026 New annual account 2025 What was left from loss to profit
Management
Behind Mariën & Zoon is Willem Mariën. Willem Mariën is also behind MARIEN & PARTNERS.
Directors
According to the 2025 annual accounts
Establishments
Establishment units
Physical locations of this company
Platte Lostraat 563
3010 Leuven
Richard Valvekensstraat 100
3010 Leuven
Active since 1 April 2012
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 1 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.
Website
Hosting & Email
Email provider
Microsoft 365
Hosting
OVH, FR
DNS
OVH DNS
Website info
Features
Security
Details
- Company number
- 0842.101.342
- VAT number
- BE 0842.101.342
- Registered office
- Platte Lostraat 563, 3010 Leuven
- Names & denominations
- Mariën & Zoon
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 23 December 2011
- Peppol
- Active · Active since 15 Dec 2025
- Contact
- dakwerkenmarien.be
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