Financials
Financial year 2025
oSérieux from Sint-Lambrechts-Woluwe, company number BE0883829653, closed financial year 2025 with a result of € 95,264 after tax. For that financial year oSérieux recorded a gross margin of € 115,527 and equity of € 361,804. Compared with financial year 2024, the result moved from € 44,972 to € 95,264. Profitable, and profit is growing. 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 May 19, 2026.
€ 361,804
▲ 8% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 95,264
▲ 112% vs 2024
Profit after tax over the fiscal year.
€ 294,231
▲ 149% vs 2024
Cash and bank balances on the last day of the fiscal year.
€ 70,000 paid out
73 % of the profit went to the shareholders, mostly to BURO BLABLA (50 % of the shares). That is where the money ends up.
People and assets in 2025
0
Average over the fiscal year, from the social balance sheet.
€ 1,540
▼ 7% 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.
€ 7,012
▼ 26% 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.
€ 178,797
▲ 4% vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 1,696
Taxes, VAT and social contributions still to pay.
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| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € 235,958 | € 86,316 | € 63,273 | € 115,527 | ▲ 83% |
| Profit after taxes | € 112,553 | € 59,950 | € 44,972 | € 95,264 | ▲ 112% |
| Equity | € 291,617 | € 311,568 | € 336,540 | € 361,804 | ▲ 8% |
| Total debts | € 311,152 | € 179,585 | € 206,292 | € 250,493 | ▲ 21% |
| Cash | € 272,197 | € 221,797 | € 118,339 | € 294,231 | ▲ 149% |
| Retained profit | € 266,079 | € 286,029 | € 311,002 | € 336,266 | ▲ 8% |
| Dividend | € 99,628 | € 40,000 | € 20,000 | € 70,000 | ▲ 250% |
| Balance sheet total | € 605,744 | € 494,128 | € 545,806 | € 615,272 | ▲ 13% |
Key figures of oSérieux, fiscal years 2022 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 oSérieux?
What happened at oSérieux in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: profit of € 95,264 (▲ 112% vs 2024). Source: NBB ↗
- BURO BLABLA BV became a director. NBB
- Seriously PRo BV became a director. NBB
- New establishment in Zaventem. KBO
- Start of the company according to the CBE. KBO
In short
From € 112,553 profit in 2022 to € 95,264 profit in 2025.
Paid € 83,262 in corporate taxes since 2022.
Best year ever: 2022, with € 112,553 profit.
Paid out € 229,628 in dividends to the owners in total.
A new publication or filing at oSérieux? 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 BURO BLABLA comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.
oSérieuxBehind oSérieux are BURO BLABLA BV and Seriously PRo BV. The shares are held by BURO BLABLA (50%).
Directors
According to the 2025 annual accounts
Director · represented by Van Bladel Charlotte
since 2023
Director · represented by Ramaekers Ann
since 2022
Shareholders
50%
Participations
No participations in other companies reported.
Establishments
Establishment units
Physical locations of this company
Kasteel Kieffeltstraat 15
1200 Sint-Lambrechts-Woluwe
Ikaroslaan 1
1930 Zaventem
Active since 28 September 2006
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 2 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
- 0883.829.653
- VAT number
- BE 0883.829.653
- Registered office
- Kasteel Kieffeltstraat 15, 1200 Sint-Lambrechts-Woluwe
- Names & denominations
- oSérieux
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 28 September 2006
- Peppol
- Active · Active since 10 Dec 2025
- Activities · NACE
Public relationsbureaus
Activiteiten van adviesbureaus op het gebied van public relations en communicatie
Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies
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Adviesbureaus op het gebied van public relations en communicatie
Overige adviesbureaus op het gebied van bedrijfsbeheer; adviesbureaus op het gebied van bedrijfsvoering
Promotie en organisatie van scheppende en uitvoerende kunstevenementen
Promotie en organisatie van uitvoerende kunstevenementen