Active · per the CBE, 19 September 2026

SIGMA Advisory

BE0839963580

Rechtspersoon Private limited company 1 establishment

SIGMA Advisory is filed with the CBE under the catch-all “Diverse administratieve activiteiten ten behoeve van kantoren”. Also registered: PR agency, consultancy. Private Limited, started on 5 October 2011, 1 establishment.

Waterloose Steenweg 540, 1050 Elsene [email protected]

Behind the company: Michail SOTIROPOULOS.

Active for

14 year, 11 months

Financials

Financial year 2025

SIGMA Advisory from Elsene, company number BE0839963580, closed financial year 2025 with a result of € 9,309 after tax. For that financial year SIGMA Advisory recorded a gross margin of € -4,735 and equity of € 378,388. Compared with financial year 2024, the result moved from € -47,094 to € 9,309. Profitable, and profit is growing. The buffer is growing. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on May 28, 2026.

What it is worth Growing

€ 378,388

▲ 3% vs 2024

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

Profit Growing

€ 9,309

▲ still € 47,094 loss in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 251,221

▲ 2% vs 2024

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

Where the profit goes Growing

Stays in the company

No dividend for 2025. Retained profit grew to € 372,188.

People and assets in 2025

Vehicles and equipment

€ 12,807

▼ 41% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt

None

No bank loans on the last day of the fiscal year.

Owed to suppliers

€ 10,143

▼ 14% vs 2024

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

Taxes

€ 1,059

▼ 59% 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 € 40,233 € 171,707 € -6,523 € -4,735 ▲ € 1,788
Profit after taxes € 10,775 € 123,830 € -47,094 € 9,309 ▲ € 56,403
Equity € 466,930 € 467,760 € 369,079 € 378,388 ▲ 3%
Total debts € 66,074 € 165,652 € 63,364 € 11,243 ▼ 82%
Cash € 299,584 € 348,835 € 246,580 € 251,221 ▲ 2%
Retained profit € 460,730 € 461,560 € 362,879 € 372,188 ▲ 3%
Dividend € 0 € 123,000 € 51,587 € 0 ▼ 100%
Bank debt € 10,073 € 9,942 € 0 € 0
Balance sheet total € 533,003 € 633,411 € 432,443 € 389,631 ▼ 10%

Key figures of SIGMA Advisory, fiscal years 2022 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 30 April 2027.

What happened to SIGMA Advisory?

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

  • New annual accounts for financial year 2025: profit of € 9,309. filed late Source: NBB ↗
  • New establishment in Elsene. KBO
  • Start of the company according to the CBE. KBO
  • Michail SOTIROPOULOS became a director. NBB

In short

From € 10,775 profit in 2022 to € 9,309 profit in 2025.

Paid € 114,198 in corporate taxes since 2022.

Best year ever: 2023, with € 123,830 profit.

Paid out € 174,587 in dividends to the owners in total.

Management

Michail SOTIROPOULOS
SIGMA Advisory

Behind SIGMA Advisory is Michail SOTIROPOULOS.

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Directors

According to the 2025 annual accounts

Michail SOTIROPOULOS

Director

since 2011

Establishments

Establishment units

Physical locations of this company

Registered office

Waterloose Steenweg 540

1050 Elsene

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 2 companies are registered at this address.

All companies at this address →

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

Details

Company number
0839.963.580
VAT number
BE 0839.963.580
Registered office
Waterloose Steenweg 540, 1050 Elsene
Names & denominations
SIGMA Advisory
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
5 October 2011
Peppol
Active · Active since 3 Jul 2026
Activities · NACE

Diverse administratieve activiteiten ten behoeve van kantoren

Administratieve en ondersteunende activiteiten ten behoeve van kantoren

Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies

Activiteiten van adviesbureaus op het gebied van public relations en communicatie

Adviesbureaus op het gebied van public relations en communicatie

Overige adviesbureaus op het gebied van bedrijfsbeheer; adviesbureaus op het gebied van bedrijfsvoering

Frequently asked questions

What does SIGMA Advisory do?
SIGMA Advisory is filed with the CBE under the catch-all “Diverse administratieve activiteiten ten behoeve van kantoren”. Also registered: PR agency, consultancy. Private Limited, started on 5 October 2011, 1 establishment.
What is the address of SIGMA Advisory?
The registered office of SIGMA Advisory is located at Waterloose Steenweg 540, 1050 Elsene.
Is SIGMA Advisory still active?
Yes. According to the CBE (19 September 2026) SIGMA Advisory is active, legal situation “Normale toestand”, started on 5 October 2011.
Is SIGMA Advisory registered on Peppol?
Yes, SIGMA Advisory is registered on the Peppol network with ID 0208:0839963580.
What is the enterprise number of SIGMA Advisory?
The enterprise number of SIGMA Advisory is BE0839963580.
When was SIGMA Advisory founded?
SIGMA Advisory was founded on 5 October 2011.