Financials
Financial year 2025
WIERTZ DEVELOPMENT from Ukkel, company number BE0471316664, closed financial year 2025 with a result of € 192,879 after tax. For that financial year WIERTZ DEVELOPMENT recorded a gross margin of € 8,719 and equity of € 624,433. Compared with financial year 2024, the result moved from € 309,610 to € 192,879. 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 June 9, 2026.
€ 624,433
▲ 4% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 192,879
▼ 38% vs 2024
Profit after tax over the fiscal year.
€ 485,041
▲ € 449,749 vs 2024
Cash and bank balances on the last day of the fiscal year.
€ 168,909 paid out
88 % of the profit went to the shareholders, the rest stayed in the company.
People and assets in 2025
€ 20,253
▼ 28% vs 2024
Book value of vehicles, furniture and equipment.
Debts at end 2025
None
No bank loans on the last day of the fiscal year.
€ 9,338
▲ € 8,560 vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 14,671
▼ 60% 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 | € 86,988 | € 72,794 | € 67,944 | € 8,719 | ▼ 87% |
| Profit after taxes | € 27,412 | € 19,626 | € 309,610 | € 192,879 | ▼ 38% |
| Equity | € 461,227 | € 480,853 | € 600,463 | € 624,433 | ▲ 4% |
| Total debts | € 507,321 | € 555,176 | € 37,726 | € 58,306 | ▲ 55% |
| Cash | € 27,933 | € 23,397 | € 35,292 | € 485,041 | ▲ € 449,749 |
| Land & buildings | € 71,643 | € 66,661 | € 61,680 | € 56,699 | ▼ 8% |
| Retained profit | € 399,227 | € 418,853 | € 538,463 | € 562,433 | ▲ 4% |
| Dividend | € 0 | € 0 | € 190,000 | € 168,909 | ▼ 11% |
| Balance sheet total | € 968,548 | € 1,036,029 | € 638,188 | € 682,739 | ▲ 7% |
Key figures of WIERTZ DEVELOPMENT, 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 WIERTZ DEVELOPMENT?
What happened at WIERTZ DEVELOPMENT in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- Isabelle Vanderkelen stepped down as director. NBB
- Frédéric Tackoen stepped down as director. NBB
- New annual accounts for financial year 2025: profit of € 192,879 (▼ 38% vs 2024). Source: NBB ↗
- Isabelle Vanderkelen became a director. NBB
- Frédéric Tackoen became a director. NBB
- New establishment in Ukkel. KBO
- Start of the company according to the CBE. KBO
In short
From € 27,412 profit in 2022 to € 192,879 profit in 2025.
Paid € 76,032 in corporate taxes since 2022.
Best year ever: 2024, with € 309,610 profit.
Paid out € 358,909 in dividends to the owners in total.
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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
It owns 20% of QUARTZ FINANCE itself.
Directors
According to the 2025 annual accounts
Isabelle Vanderkelen
Director
Also active at: Het Gehucht, Archeion, Foncière du Berlaymont, WEERTS LOGISTIC PARKS HOLDING, ARIANE BUILDING
since 2023 · until 2029
since 2023 · until 2029
Establishments
Establishment units
Physical locations of this company
Kleine Hutlaan 7
1180 Ukkel
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.
Details
- Company number
- 0471.316.664
- VAT number
- BE 0471.316.664
- Registered office
- Kleine Hutlaan 7, 1180 Ukkel
- Names & denominations
- WIERTZ DEVELOPMENT
- Enterprise type
- Rechtspersoon
- Legal form
- Public limited company
- Legal situation
- Normale toestand
- Start date
- 1 March 2000
- Peppol
- Active · Active since 17 Feb 2026
- Activities · NACE
Overige zakelijke dienstverlening, neg
Overige zakelijke dienstverlening, n.e.g.