Warning lights
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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Figures corrected NBB
Corrected annual account filed for 2022.
Financials
Financial year 2025
SEBASTIEN LENAIN ARCHITECTURE from Tournai, company number BE0540670377, closed financial year 2025 with a result of € 4,300 after tax. For that financial year SEBASTIEN LENAIN ARCHITECTURE recorded a gross margin of € 25,226 and equity of € 21,282. Compared with financial year 2024, the result moved from € 16,981 to € 4,300. The company is profitable. The company holds a healthy buffer. Debts are under control. The most recent annual accounts were filed with the National Bank of Belgium on July 1, 2026.
€ 21,282
▼ 47% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 4,300
▼ 75% vs 2024
Profit after tax over the fiscal year.
€ 23,884
▲ 27% vs 2024
Cash and bank balances on the last day of the fiscal year.
€ 11,000 paid out
More than the year’s profit went to the shareholders; reserves fell.
People and assets in 2025
≈ 1
No payroll staff. One director, so that person most likely runs the business.
€ 29,226
Book value of vehicles, furniture and equipment.
Debts at end 2025
€ 36,922
▲ € 35,028 vs 2024
€ 9,796 is repaid this year. At this pace the long-term loan is gone in ≈ 4 years.
€ 2,915
▲ € 2,507 vs 2024
Supplier invoices still open on the last day of the fiscal year.
€ 6,141
▼ 12% vs 2024
Corporate tax and VAT still to pay. No wage debt: nothing outstanding to staff or social security.
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| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € -2,783 | € 30,456 | € 25,912 | € 25,226 | ▼ 3% |
| Profit after taxes | € -9,046 | € 19,742 | € 16,981 | € 4,300 | ▼ 75% |
| Equity | € 3,659 | € 23,400 | € 40,381 | € 21,282 | ▼ 47% |
| Total debts | € 9,513 | € 9,822 | € 9,315 | € 45,978 | ▲ € 36,663 |
| Cash | € 302 | € 15,855 | € 18,756 | € 23,884 | ▲ 27% |
| Retained profit | € -8,741 | € 11,000 | € 27,981 | € 21,281 | ▼ 24% |
| Dividend | € 0 | € 0 | € 0 | € 11,000 | |
| Bank debt | € 0 | € 0 | € 1,894 | € 36,922 | ▲ € 35,028 |
| Balance sheet total | € 13,172 | € 33,222 | € 49,696 | € 67,259 | ▲ 35% |
Key figures of SEBASTIEN LENAIN ARCHITECTURE, 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 SEBASTIEN LENAIN ARCHITECTURE?
What happened at SEBASTIEN LENAIN 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 € 4,300 (▼ 75% vs 2024). Source: NBB ↗
- New establishment in Tournai. KBO
- Start of the company according to the CBE. KBO
- Sébastien Lenain became a director. NBB
In short
From € 9,046 loss in 2022 to € 4,300 profit in 2025.
Paid € 14,593 in corporate taxes since 2022.
Best year ever: 2023, with € 19,742 profit.
Paid out € 11,000 in dividends to the owners in total.
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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
Behind SEBASTIEN LENAIN ARCHITECTURE is Sébastien Lenain.
Directors
According to the 2025 annual accounts
Sébastien Lenain
Director
since 2013
Establishments
Establishment units
Physical locations of this company
Rue du Ballon(TOU) 14
7500 Tournai
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
one.com Mail
Hosting
ONECOM, DK
Website info
Features
Security
Network
Details
- Company number
- 0540.670.377
- VAT number
- BE 0540.670.377
- Registered office
- Rue du Ballon(TOU) 14, 7500 Tournai
- Names & denominations
- SEBASTIEN LENAIN ARCHITECTURE
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 9 October 2013
- Peppol
- Active · Active since 15 Dec 2025
- Contact
- slarch.be
- Activities · NACE
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