Active · per the CBE, 19 September 2026

De Sio

BE0521692031

Rechtspersoon Private limited company 1 establishment

De Sio is an IT company in Sint-Pieters-Woluwe. Private Limited, started on 4 March 2013, 1 establishment.

Grootveldlaan 257, 1150 Sint-Pieters-Woluwe

Behind the company: Annamaria De Sio.

Active for

13 year, 6 months

Financials

Financial year 2025

De Sio from Sint-Pieters-Woluwe, company number BE0521692031, closed financial year 2025 with a result of € 51,314 after tax. For that financial year De Sio recorded a gross margin of € 97,854 and equity of € 166,945. Compared with financial year 2024, the result moved from € 53,735 to € 51,314. The company is profitable. 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 October 14, 2025.

What it is worth Healthy

€ 166,945

▼ 24% vs 2024

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

Profit Healthy

€ 51,314

▼ 5% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 116,720

▲ 47% vs 2024

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

Where the profit goes Pays out

€ 104,033 paid out

More than the year’s profit went to the shareholders; reserves fell.

People and assets in 2025

Vehicles and equipment

€ 9,908

▲ € 8,622 vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 7 years to go

€ 138,889

▼ 12% vs 2024

€ 19,791 is repaid this year. At this pace the long-term loan is gone in ≈ 7 years.

Owed to suppliers

€ 2,680

▼ 55% vs 2024

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

Taxes

€ 14,943

▲ 52% vs 2024

Corporate tax and VAT still to pay. No wage debt: nothing outstanding to staff or social security.

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Key figures per fiscal year Download key figures (CSV)
2022202320242025Change 2024 → 2025
Gross margin € 50,487 € 96,845 € 97,379 € 97,854
Profit after taxes € 18,893 € 53,835 € 53,735 € 51,314 ▼ 5%
Equity € 148,843 € 165,928 € 219,664 € 166,945 ▼ 24%
Total debts € 233,288 € 245,173 € 179,338 € 264,107 ▲ 47%
Cash € 50,291 € 57,669 € 79,671 € 116,720 ▲ 47%
Land & buildings € 284,432 € 270,935 € 256,664 € 245,383 ▼ 4%
Retained profit € 142,643 € 159,728 € 213,464 € 160,745 ▼ 25%
Dividend € 0 € 36,750 € 0 € 104,033
Bank debt € 194,772 € 177,802 € 157,982 € 138,889 ▼ 12%
Balance sheet total € 382,131 € 411,101 € 399,001 € 431,052 ▲ 8%

Key figures of De Sio, 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 October 2026.

What happened to De Sio?

What happened at De Sio in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

  • New annual accounts for financial year 2025: profit of € 51,314 (▼ 5% vs 2024). Source: NBB ↗
  • Annamaria De Sio became a director. NBB
  • New establishment in Sint-Pieters-Woluwe. KBO
  • Start of the company according to the CBE. KBO

In short

From € 18,893 profit in 2022 to € 51,314 profit in 2025.

Paid € 74,259 in corporate taxes since 2022.

Best year ever: 2023, with € 53,835 profit.

Paid out € 140,783 in dividends to the owners in total.

Management

Annamaria De Sio
De Sio

Behind De Sio is Annamaria De Sio.

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Directors

According to the 2025 annual accounts

Annamaria De Sio

Director

since 2023

Establishments

Establishment units

Physical locations of this company

Registered office

Grootveldlaan 257

1150 Sint-Pieters-Woluwe

What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.

Details

Company number
0521.692.031
VAT number
BE 0521.692.031
Registered office
Grootveldlaan 257, 1150 Sint-Pieters-Woluwe
Names & denominations
De Sio
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
4 March 2013
Peppol
Active · Active since 10 Oct 2025
Activities · NACE

Activiteiten op het gebied van computerconsultancy en beheer van computerfaciliteiten

Computerconsultancy-activiteiten

Frequently asked questions

What does De Sio do?
De Sio is an IT company in Sint-Pieters-Woluwe. Private Limited, started on 4 March 2013, 1 establishment.
What is the address of De Sio?
The registered office of De Sio is located at Grootveldlaan 257, 1150 Sint-Pieters-Woluwe.
Is De Sio still active?
Yes. According to the CBE (19 September 2026) De Sio is active, legal situation “Normale toestand”, started on 4 March 2013.
Is De Sio registered on Peppol?
Yes, De Sio is registered on the Peppol network with ID 0208:0521692031.
What is the enterprise number of De Sio?
The enterprise number of De Sio is BE0521692031.
When was De Sio founded?
De Sio was founded on 4 March 2013.