Financials
Financial year 2025
HYDROTEC ASSAINISSEMENT from Wavre, company number BE0826313603, closed financial year 2025 with a result of € 154,120 after tax. For that financial year HYDROTEC ASSAINISSEMENT recorded a gross margin of € 1.5 million and equity of € 517,805. Compared with financial year 2024, the result moved from € 158,510 to € 154,120. 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 February 6, 2026.
€ 517,805
▲ 12% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 154,120
▼ 3% vs 2024
Profit after tax over the fiscal year.
€ 68,257
▼ 84% vs 2024
Cash and bank balances on the last day of the fiscal year.
€ 100,000 paid out
65 % of the profit went to the shareholders, mostly to HYDROGEST (100 % of the shares). That is where the money ends up.
People and assets in 2025
18.3
▼ 0.3 vs 2024
Average over the fiscal year, from the social balance sheet.
€ 1.2 million
▲ 15% vs 2024
€ 67,800 per full-time equivalent. Payroll staff only. What the director pays themselves is already netted into the gross margin and is not shown separately in the accounts.
€ 152,852
▼ 27% vs 2024
Book value of vehicles, furniture and equipment.
Debts at end 2025
€ 164,985
▼ 27% vs 2024
€ 92,592 is repaid this year. At this pace the long-term loan is gone in ≈ 2 years.
€ 101,261
▼ 50% vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 104,404
▼ 6% vs 2024
Taxes, VAT and social contributions still to pay.
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| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € 1,612,436 | € 1,314,989 | € 1,378,689 | € 1,529,624 | ▲ 11% |
| Profit after taxes | € 403,932 | € 146,600 | € 158,510 | € 154,120 | ▼ 3% |
| Equity | € 358,574 | € 405,174 | € 463,685 | € 517,805 | ▲ 12% |
| Total debts | € 604,834 | € 659,982 | € 803,465 | € 531,848 | ▼ 34% |
| Cash | € 231,957 | € 360,270 | € 435,342 | € 68,257 | ▼ 84% |
| Retained profit | € 339,974 | € 386,574 | € 445,085 | € 499,205 | ▲ 12% |
| Dividend | € 225,000 | € 100,000 | € 100,000 | € 100,000 | |
| Bank debt | € 123,942 | € 181,151 | € 227,347 | € 164,985 | ▼ 27% |
| Balance sheet total | € 982,744 | € 1,084,493 | € 1,286,486 | € 1,068,990 | ▼ 17% |
| Employees (FTE) | 19.1 | 19.7 | 18.6 | 18.3 | ▼ 0.3 |
Key figures of HYDROTEC ASSAINISSEMENT, fiscal years 2022 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 1 February 2027.
What happened to HYDROTEC ASSAINISSEMENT?
What happened at HYDROTEC ASSAINISSEMENT in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: profit of € 154,120 (▼ 3% vs 2024). filed late Source: NBB ↗
- Julien MICHELET became a director. NBB
- HYDROGEST SRL became a director. NBB
- New establishment in Wavre. KBO
- Start of the company according to the CBE. KBO
- Etienne MICHELET became a director. NBB
In short
From € 403,932 profit in 2022 to € 154,120 profit in 2025.
Paid € 272,421 in corporate taxes since 2022.
Best year ever: 2022, with € 403,932 profit.
On average € 83,600 of value added per employee in 2025.
A new publication or filing at HYDROTEC ASSAINISSEMENT? We notify you, reason included.
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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
The stake of HYDROGEST comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.
HYDROTEC ASSAINISSEMENTBehind HYDROTEC ASSAINISSEMENT are Etienne MICHELET, Julien MICHELET and HYDROGEST SRL. The shares are held by HYDROGEST (100%).
Directors
According to the 2025 annual accounts
since 2010
since 2022
Director · represented by GUILLAUME ROUSSEAUX
since 2022
Shareholders
100%
Participations
No participations in other companies reported.
Establishments
Establishment units
Physical locations of this company
Avenue Zénobe Gramme 44
1300 Wavre
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 3 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
Technologies
Hosting & Email
Email provider
Microsoft 365
Hosting
OVH, FR
DNS
OVH DNS
Website info
Features
Security
Details
- Company number
- 0826.313.603
- VAT number
- BE 0826.313.603
- Registered office
- Avenue Zénobe Gramme 44, 1300 Wavre
- Names & denominations
- HYDROTEC ASSAINISSEMENT
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 31 May 2010
- Peppol
- Active · Active since 21 Nov 2025
- Contact
- hydrotec.be
- Activities · NACE
Waterdichtingswerken van muren
Overige bouwinstallatie
Installatie van isolatie
Groothandel in bouwmaterialen, algemeen assortiment
Overige gespecialiseerde bouwactiviteiten, neg
Detailhandel in ijzerwaren, bouwmaterialen, verf en glas (algemeen assortiment)
Overige gespecialiseerde bouwwerkzaamheden
Isolatiewerkzaamheden
+1