What is the address of D et SI?

The registered office of D et SI is located at Visserijstraat 79, 1170 Watermaal-Bosvoorde.

Is D et SI still active?

Yes. According to the CBE (31 October 2026) D et SI is active, legal situation “Normale toestand”, started on 24 May 1985.

Is D et SI registered on Peppol?

No, D et SI is currently not registered on the Peppol network.

What is the enterprise number of D et SI?

The enterprise number of D et SI is BE0427375466.

When was D et SI founded?

D et SI was founded on 24 May 1985.

Who are the directors of D et SI?

According to the 2025 annual accounts, the directors of D et SI are: TANGUY VERMEIREN, MICHEL DEPRINS, ERIC ROUFOSSE.

Is D et SI a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 24 May 1985; 5 annual accounts filed, latest fiscal year 2025; 3 directors known from the annual account; 2 establishments in the CBE.

How much profit did D et SI make in 2025?

D et SI recorded a loss after taxes of € 8,833 in financial year 2025.

What is the revenue of D et SI?

As a small company, D et SI is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 14,093.

D et SI (Public Limited) - Watermaal-Bosvoorde

Dossier D et SI, printed on 31 October 2026 from databakkes.be/en/0427375466/d-et-si. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Warning lights

Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.

Two loss years in a row NBB

Negative result in 2024 and 2025.
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.

What it is worth Healthy

€ 1.1 million

▼ 1% vs 2024

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

Loss Caution

€ -8,833

▲ 68 % less loss than in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 12,179

▲ € 11,850 vs 2024

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

Where the profit goes Caution

Loss, nothing to pay out

Reserves fell to € 787,304.

Debts at end 2025

Bank debt ≈ 10 years to go The accounts give the long-term loan and the part due within the year. The remainder divided by that part is the number of years at an equal pace; a new loan or early repayment changes it.

€ 397,549

▼ 8% vs 2024

€ 32,308 is repaid this year. At this pace the long-term loan is gone in ≈ 10 years.

Owed to suppliers

€ 21,852

▼ 19% vs 2024

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

Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 14,907 Gross margin 2022: € 14,907 First fiscal year in the series	€ 4,061 Gross margin 2023: € 4,061 ▼ 73% vs 2022 (€ 14,907) Unfavourable step	€ -5,579 Gross margin 2024: € -5,579 ▼ € 9,639 vs 2023 (€ 4,061) Unfavourable step	€ 14,093 Gross margin 2025: € 14,093 ▲ € 19,671 vs 2024 (€ -5,579) Favourable step	▲ € 19,671
Profit after taxes	€ -15,150 Profit after taxes 2022: € -15,150 First fiscal year in the series	€ -516,482 Profit after taxes 2023: € -516,482 ▼ € 501,333 vs 2022 (€ -15,150) Unfavourable step	€ -27,224 Profit after taxes 2024: € -27,224 ▲ € 489,258 vs 2023 (€ -516,482) Favourable step	€ -8,833 Profit after taxes 2025: € -8,833 ▲ € 18,391 vs 2024 (€ -27,224) Favourable step	▲ € 18,391
Equity	€ 1,643,513 Equity 2022: € 1,643,513 First fiscal year in the series	€ 1,127,031 Equity 2023: € 1,127,031 ▼ 31% vs 2022 (€ 1,643,513) Unfavourable step	€ 1,099,807 Equity 2024: € 1,099,807 ▼ 2% vs 2023 (€ 1,127,031) Unfavourable step	€ 1,090,973 Equity 2025: € 1,090,973 ▼ 1% vs 2024 (€ 1,099,807) Unfavourable step	▼ 1%
Total debts	€ 427,083 Total debts 2022: € 427,083 First fiscal year in the series	€ 475,471 Total debts 2023: € 475,471 ▲ 11% vs 2022 (€ 427,083) Unfavourable step	€ 462,261 Total debts 2024: € 462,261 ▼ 3% vs 2023 (€ 475,471) Favourable step	€ 425,296 Total debts 2025: € 425,296 ▼ 8% vs 2024 (€ 462,261) Favourable step	▼ 8%
Cash	€ 418 Cash 2022: € 418 First fiscal year in the series	€ 426 Cash 2023: € 426 ▲ 2% vs 2022 (€ 418) Favourable step	€ 329 Cash 2024: € 329 ▼ 23% vs 2023 (€ 426) Unfavourable step	€ 12,179 Cash 2025: € 12,179 ▲ € 11,850 vs 2024 (€ 329) Favourable step	▲ € 11,850
Land & buildings	€ 466,024 Land & buildings 2022: € 466,024 First fiscal year in the series	€ 452,042 Land & buildings 2023: € 452,042 ▼ 3% vs 2022 (€ 466,024) Unchanged	€ 442,575 Land & buildings 2024: € 442,575 ▼ 2% vs 2023 (€ 452,042) Unchanged	€ 433,108 Land & buildings 2025: € 433,108 ▼ 2% vs 2024 (€ 442,575) Unchanged	▼ 2%
Retained profit	€ 1,339,844 Retained profit 2022: € 1,339,844 First fiscal year in the series	€ 823,361 Retained profit 2023: € 823,361 ▼ 39% vs 2022 (€ 1,339,844) Unfavourable step	€ 796,137 Retained profit 2024: € 796,137 ▼ 3% vs 2023 (€ 823,361) Unfavourable step	€ 787,304 Retained profit 2025: € 787,304 ▼ 1% vs 2024 (€ 796,137) Unfavourable step	▼ 1%
Bank debt	€ 415,774 Bank debt 2022: € 415,774 First fiscal year in the series	€ 460,078 Bank debt 2023: € 460,078 ▲ 11% vs 2022 (€ 415,774) Unfavourable step	€ 429,940 Bank debt 2024: € 429,940 ▼ 7% vs 2023 (€ 460,078) Favourable step	€ 397,549 Bank debt 2025: € 397,549 ▼ 8% vs 2024 (€ 429,940) Favourable step	▼ 8%
Balance sheet total	€ 2,122,984 Balance sheet total 2022: € 2,122,984 First fiscal year in the series	€ 1,653,353 Balance sheet total 2023: € 1,653,353 ▼ 22% vs 2022 (€ 2,122,984) Unchanged	€ 1,611,381 Balance sheet total 2024: € 1,611,381 ▼ 3% vs 2023 (€ 1,653,353) Unchanged	€ 1,564,045 Balance sheet total 2025: € 1,564,045 ▼ 3% vs 2024 (€ 1,611,381) Unchanged	▼ 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:

Jul 2, 2026 New annual accounts for financial year 2025: loss of € 8,833. Source: NBB ↗
2008 MICHEL DEPRINS became a director. NBB
Oct 3, 2000 New establishment in Watermaal-Bosvoorde. KBO
Apr 11, 1996 New establishment in Braine-le-Château. KBO
May 24, 1985 Start of the company according to the CBE. KBO

In short

From € 15,150 loss in 2022 to € 8,833 loss in 2025.

Original PDFs at the National Bank ↗

Management

BRUSSELS INVESTMENT MANAGEMENT OFFICE SCHMIT

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 SI

Behind 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

TANGUY VERMEIREN

Director

Also active at: TRANSPORTS SCHMIT - ROUFOSSE - DESTRIJKER

MICHEL DEPRINS

Director

since 2008

ERIC ROUFOSSE

Managing director

Also active at: BRUSSELS INVESTMENT MANAGEMENT OFFICE SCHMIT

Shareholders

BRUSSELS INVESTMENT MANAGEMENT OFFICE SCHMIT

Participations

No participations in other companies reported.

Establishments

Establishment units

Physical locations of this company

Registered office

Visserijstraat 79

1170 Watermaal-Bosvoorde

2.027.841.418

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.

All companies at this address →

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+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

View on CBE Public ↗ Annual accounts (NBB) ↗