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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Two loss years in a row NBB
Negative result in 2024 and 2025.
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Not on Peppol Peppol
Not registered in the Peppol network, mandatory for VAT-liable companies since 1 January 2026.
Financials
Financial year 2025
D et SI from Watermaal-Bosvoorde, company number BE0427375466, closed financial year 2025 with a result of € -8,833 after tax. For that financial year D et SI recorded a gross margin of € 14,093 and equity of € 1.1 million. Compared with financial year 2024, the result moved from € -27,224 to € -8,833. 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 July 2, 2026.
€ 1.1 million
▼ 1% vs 2024
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ -8,833
▲ 68 % less loss than in 2024
Profit after tax over the fiscal year.
€ 12,179
▲ € 11,850 vs 2024
Cash and bank balances on the last day of the fiscal year.
Loss, nothing to pay out
Reserves fell to € 787,304.
Debts at end 2025
€ 397,549
▼ 8% vs 2024
€ 32,308 is repaid this year. At this pace the long-term loan is gone in ≈ 10 years.
€ 21,852
▼ 19% vs 2024
Supplier invoices still open on the last day of the fiscal year.
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| 2022 | 2023 | 2024 | 2025 | Change 2024 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € 14,907 | € 4,061 | € -5,579 | € 14,093 | ▲ € 19,671 |
| Profit after taxes | € -15,150 | € -516,482 | € -27,224 | € -8,833 | ▲ € 18,391 |
| Equity | € 1,643,513 | € 1,127,031 | € 1,099,807 | € 1,090,973 | ▼ 1% |
| Total debts | € 427,083 | € 475,471 | € 462,261 | € 425,296 | ▼ 8% |
| Cash | € 418 | € 426 | € 329 | € 12,179 | ▲ € 11,850 |
| Land & buildings | € 466,024 | € 452,042 | € 442,575 | € 433,108 | ▼ 2% |
| Retained profit | € 1,339,844 | € 823,361 | € 796,137 | € 787,304 | ▼ 1% |
| Bank debt | € 415,774 | € 460,078 | € 429,940 | € 397,549 | ▼ 8% |
| Balance sheet total | € 2,122,984 | € 1,653,353 | € 1,611,381 | € 1,564,045 | ▼ 3% |
Key figures of D et SI, 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 D et SI?
What happened at D et SI in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: loss of € 8,833. Source: NBB ↗
- MICHEL DEPRINS became a director. NBB
- New establishment in Watermaal-Bosvoorde. KBO
- New establishment in Braine-le-Château. KBO
- Start of the company according to the CBE. KBO
In short
From € 15,150 loss in 2022 to € 8,833 loss in 2025.
A new publication or filing at D et SI? 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 BRUSSELS INVESTMENT MANAGEMENT OFFICE SCHMIT comes from that shareholder’s own annual accounts; small companies do not report their shareholders themselves.
D et SIBehind D et SI are TANGUY VERMEIREN, MICHEL DEPRINS and ERIC ROUFOSSE. The shares are held by BRUSSELS INVESTMENT MANAGEMENT OFFICE SCHMIT.
Directors
According to the 2025 annual accounts
MICHEL DEPRINS
Director
since 2008
Shareholders
Participations
No participations in other companies reported.
Establishments
Establishment units
Physical locations of this company
Visserijstraat 79
1170 Watermaal-Bosvoorde
Rue Robert Ledecq(W-B) 20
1440 Braine-le-Château
Active since 11 April 1996
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 6 companies are registered at this address.
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MITRIONE CARS
€ 25,061 gross margin · 2025
+1 more
What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.
Details
- Company number
- 0427.375.466
- VAT number
- BE 0427.375.466
- Registered office
- Visserijstraat 79, 1170 Watermaal-Bosvoorde
- Names & denominations
- D et SI
- Enterprise type
- Rechtspersoon
- Legal form
- Public limited company
- Legal situation
- Normale toestand
- Start date
- 24 May 1985
- Peppol
- Not registered