Active · per the CBE, 30 September 2026
ONDERWATER logo

ONDERWATER

BE0802618481

Rechtspersoon Private limited company 1 establishment

ONDERWATER is a heating and ventilation installer in Oupeye. Private Limited, started on 12 June 2023, 1 establishment.

Rue d'Erquy 5, 4680 Oupeye onderwatersrl.be

Behind the company: THOMAS ONDERWATER.

Active for

3 year, 3 months

Financials

Financial year 2025

ONDERWATER from Oupeye, company number BE0802618481, closed financial year 2025 with a result of € 5,222 after tax. For that financial year ONDERWATER recorded a gross margin of € 50,876 and equity of € 26,019. Compared with financial year 2024, the result moved from € 17,797 to € 5,222. 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 September 11, 2026.

What it is worth Growing

€ 26,019

▲ 25% vs 2024

Assets minus debts, by the books. What is left if everything were sold and paid today.

Profit Healthy

€ 5,222

▼ 71% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 14,809

▲ 199% vs 2024

Cash and bank balances on the last day of the fiscal year.

Where the profit goes Growing

Stays in the company

No dividend for 2025. Retained profit grew to € 23,019.

People and assets in 2025

Full-time equivalents estimate

≈ 1

No payroll staff. One director, so that person most likely runs the business.

Wage cost

€ 39,040

▼ 54% vs 2024

Payroll staff only. What the director pays themselves is already netted into the gross margin and is not shown separately in the accounts.

Vehicles and equipment

€ 4,359

▼ 46% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt

€ 4,828

▼ 43% vs 2024

Loans from banks and other lenders, long and short.

Owed to suppliers

€ 34,850

▲ € 31,531 vs 2024

Supplier invoices still open on the last day of the fiscal year.

Wages and social charges

€ 3,430

▼ 24% vs 2024

Wages, holiday pay and social contributions still to pay. No outstanding taxes.

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Key figures per fiscal year Download key figures (CSV)
20242025Change 2024 → 2025
Gross margin € 117,319 € 50,876 ▼ 57%
Profit after taxes € 17,797 € 5,222 ▼ 71%
Equity € 20,797 € 26,019 ▲ 25%
Total debts € 21,283 € 43,392 ▲ 104%
Cash € 4,959 € 14,809 ▲ 199%
Retained profit € 17,797 € 23,019 ▲ 29%
Bank debt € 8,442 € 4,828 ▼ 43%
Balance sheet total € 42,080 € 69,411 ▲ 65%

Key figures of ONDERWATER, fiscal years 2024 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 ONDERWATER?

What happened at ONDERWATER in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

  • New annual accounts for financial year 2025: profit of € 5,222 (▼ 71% vs 2024). filed late Source: NBB ↗
  • New establishment in Oupeye. KBO
  • Start of the company according to the CBE. KBO

In short

From € 17,797 profit in 2024 to € 5,222 profit in 2025.

Paid € 4,813 in corporate taxes since 2024.

Best year ever: 2024, with € 17,797 profit.

Management

THOMAS ONDERWATER
ONDERWATER

Behind ONDERWATER is THOMAS ONDERWATER.

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Directors

According to the 2025 annual accounts

THOMAS ONDERWATER

Director

Establishments

Establishment units

Physical locations of this company

Registered office

Rue d'Erquy 5

4680 Oupeye

What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.

Website

Technologies

ApacheContact Form 7Cookie ConsentGoogle FontsPHPWordPressYoast SEOjQuerylazysizes

Hosting & Email

Email provider

Microsoft 365

Hosting

INFOMANIAK-AS, CH

Website info

HTTPS Ja
Languages FR

Features

Security

✓ HTTPS
✓ SPF
✗ DMARC

Network

✓ IPv6

Details

Company number
0802.618.481
VAT number
BE 0802.618.481
Registered office
Rue d'Erquy 5, 4680 Oupeye
Names & denominations
ONDERWATER
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
12 June 2023
Peppol
Active · Active since 22 Apr 2025
Activities · NACE

Installatie van verwarming, klimaatregeling, koeling en ventilatie aangedreven door elektriciteit

Overige werkzaamheden in verband met de afwerking van gebouwen

Detailhandel in sanitaire artikelen en sanitair installatiemateriaal

Detailhandel in overige bouwmaterialen, neg

Sanitaire werkzaamheden

Frequently asked questions

What does ONDERWATER do?
ONDERWATER is a heating and ventilation installer in Oupeye. Private Limited, started on 12 June 2023, 1 establishment.
What is the address of ONDERWATER?
The registered office of ONDERWATER is located at Rue d'Erquy 5, 4680 Oupeye.
Is ONDERWATER still active?
Yes. According to the CBE (30 September 2026) ONDERWATER is active, legal situation “Normale toestand”, started on 12 June 2023.
Is ONDERWATER registered on Peppol?
Yes, ONDERWATER is registered on the Peppol network with ID 0208:0802618481.
What is the enterprise number of ONDERWATER?
The enterprise number of ONDERWATER is BE0802618481.
When was ONDERWATER founded?
ONDERWATER was founded on 12 June 2023.