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D et SI (Public limited company)

D & SI SA
BE 0427.375.466 Active ●Rue des Pêcheries 79, 1170 Watermael-Boitsfort

D et SI is a Belgian company registered with the Crossroads Bank for Enterprises under enterprise number 0427.375.466. It was founded on 24-05-1985. Its registered office is in Watermael-Boitsfort. Its main activity is: Real estate activities. Its annual accounts for 2025 report equity of € 1 090 973 and a loss of € 8 833. Addrly gives it a financial health grade of A, on a scale from A (safest) to E (most at risk). It filed its annual accounts within the legal deadline for 3 of its last 4 financial years.

Information last updated on 07-10-2026.

Company information

Status
Active
Enterprise number
BE 0427.375.466
VAT registered
No
Founded
24-05-1985
Latest accounts
2025
Employees
-
Region
Brussels-Capital
Establishments
2
Filing record
On time 3 of 4 years
Peppol e-invoicing
Not registered
Registered office
Rue des Pêcheries 79, 1170 Watermael-Boitsfort
Main activity
Real estate activities
NACE activities
6812101 Promotion immobilière de maisons d'habitation neuves ou de travaux de rénovation
68201 Location et exploitation de biens immobiliers résidentiels propres ou loués, sauf logements sociaux

Key figures of D et SI

202520242023
Profit / loss
iWhat the period earned after taxes. A negative amount is a loss.
€ -8 833+68 %€ -27 224+95 %€ -516 482
Equity
iWhat belongs to the shareholders: capital contributed, reserves and profits kept in the company.
€ 1 090 973-1 %€ 1 099 807-2 %€ 1 127 031
Total assets
iEverything the company owns. Equal to total equity and liabilities, which says how it is financed.
€ 1 564 045-3 %€ 1 611 381-3 %€ 1 653 353
Gross margin
iSales and other operating income, minus purchases of goods and services. What is left to pay the staff and everything else.
€ 14 093€ -5 579€ 4 061
Employees (FTE)
iAverage number of workers over the period, in full-time equivalents.
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Financial estimate

Financial health grade A, on a scale from A (safest) to E (most at risk)
Health barometer
The failure probability and the indicators behind this grade are visible with a free account.
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Illustrative preview
Detected events
Appointments, capital, registered office, proceedings, extracted from the official acts.
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Illustrative preview
Directors & mandates
3 mandates on record in the annual accounts.
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Frequently asked questions

Is D et SI still active? Yes. The Crossroads Bank for Enterprises lists D et SI as active.

What is the VAT number of D et SI? D et SI is not registered for VAT. Its enterprise number is 0427.375.466.

When was D et SI founded? D et SI was founded on 24-05-1985.

What is the address of D et SI? The current registered office of D et SI is Rue des Pêcheries 79, 1170 Watermael-Boitsfort.

When did D et SI last file annual accounts? The latest annual accounts of D et SI were filed on 02-07-2026.

Does D et SI file its annual accounts on time? D et SI filed its annual accounts within the legal deadline for 3 of its last 4 financial years. Late: 2023.

Is D et SI financially healthy? Addrly gives D et SI a financial health grade of A, on a scale from A (safest) to E (most at risk). The failure probability and the indicators behind it are visible with a free account.

Is D et SI profitable? The annual accounts of D et SI for 2025 show a loss of € 8 833.

What is the equity of D et SI? The equity of D et SI was € 1 090 973 at the close of the 2025 financial year.

Who are the directors of D et SI? The annual accounts of D et SI record 3 mandates. The names, roles and dates are visible with a free account.

Can D et SI receive Peppol e-invoices? D et SI is not registered on the Peppol network at the moment.

What does D et SI do? The main activity of D et SI is: Real estate activities.

Sources

How Addrly builds and refreshes this data