Warning lights
Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.
-
Two loss years in a row NBB
Negative result in 2024 and 2025.
Financials
Financial year 2025
HydroSub tech from Flémalle, company number BE0840357817, closed financial year 2025 with a result of € -1,546 after tax. For that financial year HydroSub tech recorded a gross margin of € 9,129 and equity of € 86,229. Compared with financial year 2024, the result moved from € -23,555 to € -1,546. The company made a loss. 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 September 29, 2026.
€ 86,229
▼ 2% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ -1,546
▲ 93 % less loss than in 2024
Profit after tax over the fiscal year.
€ 27,550
▲ € 24,355 vs 2024
Cash and bank balances on the last day of the fiscal year.
Loss, nothing to pay out
Reserves fell to € 80,029.
People and assets in 2025
≈ 1
No payroll staff. One director, so that person most likely runs the business.
€ 325
▼ 82% 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.
€ 8,341
▲ 174% vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 455
▼ 78% vs 2024
Corporate tax and VAT still to pay. No wage debt: nothing outstanding to staff or social security.
| 2021 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € -77 | € 23,356 | € -13,407 | € 9,129 | ▲ € 22,537 |
| Profit after taxes | € -12,918 | € 13,117 | € -23,555 | € -1,546 | ▲ € 22,009 |
| Equity | € 86,511 | € 111,330 | € 87,775 | € 86,229 | ▼ 2% |
| Total debts | € 82,081 | € 136,540 | € 105,284 | € 137,715 | ▲ 31% |
| Cash | € 9,321 | € 39,808 | € 3,196 | € 27,550 | ▲ € 24,355 |
| Land & buildings | € 54,950 | € 54,950 | € 54,950 | € 54,950 | |
| Retained profit | € 80,311 | € 105,130 | € 81,575 | € 80,029 | ▼ 2% |
| Balance sheet total | € 168,591 | € 247,870 | € 193,059 | € 223,944 | ▲ 16% |
Key figures of HydroSub tech, fiscal years 2021 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 HydroSub tech?
What happened at HydroSub tech in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: loss of € 1,546. filed late Source: NBB ↗
- New establishment in Visé. KBO
- Gaëtan Harray became a director. NBB
- Start of the company according to the CBE. KBO
In short
From € 12,918 loss in 2021 to € 1,546 loss in 2025.
Paid € 11,119 in corporate taxes since 2021.
Best year ever: 2023, with € 13,117 profit.
Management
Behind HydroSub tech is Gaëtan Harray. Gaëtan Harray is also behind REMY.
Directors
According to the 2025 annual accounts
since 2011
Establishments
Establishment units
Physical locations of this company
Chaussée de Ramioul(IVR) 81 box 2
4400 Flémalle
Rue aux Communes(CHE) 78
4602 Visé
Active since 1 November 2011
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
- 0840.357.817
- VAT number
- BE 0840.357.817
- Registered office
- Chaussée de Ramioul(IVR) 81 bus 2, 4400 Flémalle
- Names & denominations
- HydroSub tech
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 18 October 2011
- Peppol
- Active · Active since 2 Sept 2025
- Activities · NACE
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