Warning lights
Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.
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Not on Peppol Peppol
Not registered in the Peppol network, mandatory for VAT-liable companies since 1 January 2026.
Financials
Financial year 2025
zkBlock from Genk, company number BE0794357348, closed financial year 2025 with a result of € -3,662 after tax. For that financial year zkBlock recorded a gross margin of € -16,932 and equity of € 94,696. Compared with financial year 2024, the result moved from € 44,254 to € -3,662. The company made a loss. The company holds a healthy buffer. Debts are under control. The most recent annual accounts were filed with the National Bank of Belgium on July 27, 2026.
€ 94,696
▼ 4% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ -3,662
▼ still € 44,254 profit in 2024
Profit after tax over the fiscal year.
€ 9,547
▲ 57% vs 2024
Cash and bank balances on the last day of the fiscal year.
Loss, nothing to pay out
Reserves fell to € 74,696.
People and assets in 2025
≈ 1
No payroll staff. One director, so that person most likely runs the business.
€ 42,984
▼ 21% 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.
€ 83
▼ 78% vs 2024
Supplier invoices still open on the last day of the fiscal year.
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| 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|
| Gross margin | € -8,226 | € -8,594 | € -16,932 | ▼ € 8,338 |
| Profit after taxes | € 34,104 | € 44,254 | € -3,662 | ▼ € 47,916 |
| Equity | € 54,104 | € 98,358 | € 94,696 | ▼ 4% |
| Total debts | € 230,706 | € 237,643 | € 221,302 | ▼ 7% |
| Cash | € 14,832 | € 6,080 | € 9,547 | ▲ 57% |
| Retained profit | € 34,104 | € 78,358 | € 74,696 | ▼ 5% |
| Balance sheet total | € 284,810 | € 336,001 | € 315,998 | ▼ 6% |
Key figures of zkBlock, fiscal years 2023 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 zkBlock?
What happened at zkBlock in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: loss of € 3,662 (▼ € 47,916 vs 2024). Source: NBB ↗
- New establishment in Genk. KBO
- Start of the company according to the CBE. KBO
In short
From € 34,104 profit in 2023 to € 3,662 loss in 2025.
Paid € 19,611 in corporate taxes since 2023.
Best year ever: 2024, with € 44,254 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 zkBlock is Jo Mailleux. Jo Mailleux is also behind Curinges.
Directors
According to the 2025 annual accounts
Establishments
Establishment units
Physical locations of this company
De Hutten 15
3600 Genk
What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.
Details
- Company number
- 0794.357.348
- VAT number
- BE 0794.357.348
- Registered office
- De Hutten 15, 3600 Genk
- Names & denominations
- zkBlock
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 2 December 2022
- Peppol
- Not registered