Financials
Financial year 2026
ISO-K ADVICE from Le Roeulx, company number BE0835871170, closed financial year 2026 with a result of € 10,517 after tax. For that financial year ISO-K ADVICE recorded a gross margin of € 410,527 and equity of € 542,151. Compared with financial year 2025, the result moved from € 7,022 to € 10,517. 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 October 5, 2026.
€ 542,151
▼ 1% vs 2025
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 10,517
▲ 50% vs 2025
Profit after tax over the fiscal year.
€ 177,723
▲ 23% vs 2025
Cash and bank balances on the last day of the fiscal year.
€ 15,000 paid out
More than the year’s profit went to the shareholders; reserves fell.
People and assets in 2026
€ 313,583
▼ 11% vs 2025
Payroll staff only. What the director pays themselves is already netted into the gross margin and is not shown separately in the accounts.
€ 35,226
▼ 36% vs 2025
Book value of vehicles, furniture and equipment.
Debts at end 2026
€ 56,632
▼ 37% vs 2025
€ 25,226 is repaid this year. At this pace the long-term loan is gone in ≈ 2 years.
€ 178,695
▲ 51% vs 2025
Supplier invoices still open on the last day of the fiscal year.
€ 20,847
▲ 10% vs 2025
Taxes, VAT and social contributions still to pay.
| 2023 | 2024 | 2025 | 2026 | Change 2025 → 2026 | |
|---|---|---|---|---|---|
| Gross margin | € 335,161 | € 349,056 | € 401,425 | € 410,527 | ▲ 2% |
| Profit after taxes | € 6,035 | € 10,053 | € 7,022 | € 10,517 | ▲ 50% |
| Equity | € 528,644 | € 538,697 | € 545,719 | € 542,151 | ▼ 1% |
| Total debts | € 368,709 | € 236,637 | € 401,197 | € 323,979 | ▼ 19% |
| Cash | € 193,813 | € 186,150 | € 144,064 | € 177,723 | ▲ 23% |
| Land & buildings | € 138,327 | € 187,275 | € 215,053 | € 226,928 | ▲ 6% |
| Retained profit | € 446,213 | € 456,266 | € 463,288 | € 459,720 | ▼ 1% |
| Dividend | € 0 | € 0 | € 0 | € 15,000 | |
| Bank debt | € 174,787 | € 132,083 | € 89,906 | € 56,632 | ▼ 37% |
| Balance sheet total | € 897,353 | € 775,334 | € 946,916 | € 866,130 | ▼ 9% |
Key figures of ISO-K ADVICE, fiscal years 2023 to 2026, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2027) expected before 31 October 2027.
What happened to ISO-K ADVICE?
What happened at ISO-K ADVICE in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2026: profit of € 10,517 (▲ 50% vs 2025). Source: NBB ↗
- New establishment in Le Roeulx. KBO
- New establishment in Le Roeulx. KBO
- Start of the company according to the CBE. KBO
In short
From € 6,035 profit in 2023 to € 10,517 profit in 2026.
Paid € 30,325 in corporate taxes since 2023.
Best year ever: 2026, with € 10,517 profit.
Paid out € 15,000 in dividends to the owners in total.
Management
Behind ISO-K ADVICE is CONSTANTINO KAZIS.
Directors
According to the 2026 annual accounts
CONSTANTINO KAZIS
Director
Establishments
Establishment units
Physical locations of this company
Rue du Vent Val(GOT) 92
7070 Le Roeulx
Rue du Vent Val(GOT) 92 box A
7070 Le Roeulx
Active since 29 April 2011
What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.
Details
- Company number
- 0835.871.170
- VAT number
- BE 0835.871.170
- Registered office
- Rue du Vent Val(GOT) 92, 7070 Le Roeulx
- Names & denominations
- ISO-K ADVICE
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 29 April 2011
- Peppol
- Active · Active since 15 Sept 2025
- Activities · NACE
Installatie van isolatie
Isolatiewerkzaamheden
Overige bouwinstallatie
Overige bouwinstallatie, n.e.g.