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Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.
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Busy address KBO
14 other companies have their registered office at the same address; threshold 10.
Financials
Financial year 2025
O.S.E architecture from Elsene, company number BE1013065327, closed financial year 2025 with a result of € 48,252 after tax. For that financial year O.S.E architecture recorded a gross margin of € 67,105 and equity of € 66,926. Compared with financial year 2024, the result moved from € 15,674 to € 48,252. 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 July 20, 2026.
€ 66,926
▲ 258% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 48,252
▲ 208% vs 2024
Profit after tax over the fiscal year.
€ 41,371
▼ 51% vs 2024
Cash and bank balances on the last day of the fiscal year.
Stays in the company
No dividend for 2025. Retained profit grew to € 63,926.
People and assets in 2025
€ 1,540
Book value of vehicles, furniture and equipment.
Debts at end 2025
None
No bank loans on the last day of the fiscal year.
€ 14,946
▼ 74% vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 16,711
▲ 48% vs 2024
Corporate tax and VAT still to pay. No wage debt: nothing outstanding to staff or social security.
| 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|
| Gross margin | € 19,694 | € 67,105 | ▲ 241% |
| Profit after taxes | € 15,674 | € 48,252 | ▲ 208% |
| Equity | € 18,674 | € 66,926 | ▲ 258% |
| Total debts | € 69,097 | € 32,396 | ▼ 53% |
| Cash | € 84,381 | € 41,371 | ▼ 51% |
| Retained profit | € 15,674 | € 63,926 | ▲ € 48,252 |
| Balance sheet total | € 87,771 | € 99,322 | ▲ 13% |
Key figures of O.S.E architecture, 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 O.S.E architecture?
What happened at O.S.E architecture in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: profit of € 48,252 (▲ 208% vs 2024). Source: NBB ↗
- Incorporation, published in the Gazette. Source: Staatsblad ↗
- New establishment in Elsene. KBO
In short
From € 15,674 profit in 2024 to € 48,252 profit in 2025.
Paid € 20,600 in corporate taxes since 2024.
Best year ever: 2025, with € 48,252 profit.
Management
The stake of Handmade Architecture comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.
O.S.E architectureBehind O.S.E architecture are Emmanuel BELDARS, Sébastien CAUSIN and Olivia GUSTOT. The shares are held by Handmade Architecture (33%).
Directors
According to the 2025 annual accounts
Sébastien CAUSIN
Director
Also active at: Fabrique d’espaces, société multiprofessionnelle d’architectes
Shareholders
Participations
No participations in other companies reported.
Establishments
Establishment units
Physical locations of this company
Kroonlaan 382 box 8
1050 Elsene
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 14 companies are registered at this address.
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What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.
Shareholders according to the Official Gazette deeds
Who contributed at incorporation and at capital increases, with the deed as source. Later share transfers are not published in the Gazette.
Incorporation
Source: Deed ↗- GUSTOT Olivia Elisabeth Jeanne(oprichter) 33.3%
- CAUSIN Sebastien François Marie(oprichter) 33.3%
- BELDARS Emmanuel Robert Joseph(oprichter) 33.3%
Details
- Company number
- 1013.065.327
- VAT number
- BE 1013.065.327
- Registered office
- Kroonlaan 382 bus 8, 1050 Elsene
- Names & denominations
- O.S.E architecture
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 2 September 2024
- Peppol
- Active · Active since 5 Jan 2026
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