SONTAG is registered with the CBE as active in: Ontwikkeling van residentiële bouwprojecten. Public Limited, started on 7 November 1975, 1 establishment.

What is the address of SONTAG?

The registered office of SONTAG is located at Zavelstraat 9, 1000 Brussel.

Is SONTAG still active?

Yes. According to the CBE (28 September 2026) SONTAG is active, legal situation “Normale toestand”, started on 7 November 1975.

Is SONTAG registered on Peppol?

Yes, SONTAG is registered on the Peppol network with ID 0208:0415721115.

What is the enterprise number of SONTAG?

The enterprise number of SONTAG is BE0415721115.

When was SONTAG founded?

SONTAG was founded on 7 November 1975.

It owns 100% of IMMOBILIERE DEPREZ, 100% of IMMO CENTRUM NIEUWSTRAAT and 100% of IMOFRA itself.

Is SONTAG a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 7 November 1975; 4 annual accounts filed, latest fiscal year 2024.

How much profit did SONTAG make in 2024?

SONTAG posted a profit after taxes of € 1,677,947 in financial year 2024.

What is the revenue of SONTAG?

As a small company, SONTAG is not required to publish revenue in its annual accounts. In financial year 2024, its added value was € 4,936,771.

SONTAG (Public Limited) - Brussel - BE0415721115

Dossier SONTAG, printed on 28 September 2026 from databakkes.be/en/0415721115/sontag. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2024

SONTAG from Brussel, company number BE0415721115, closed financial year 2024 with a result of € 1.7 million after tax. For that financial year SONTAG recorded a gross margin of € 4.9 million and equity of € 33.5 million. Compared with financial year 2023, the result moved from € 1.6 million to € 1.7 million. 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 June 27, 2025.

What it is worth Growing

€ 33.5 million

▲ 5% vs 2023

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

Profit Growing

€ 1.7 million

▲ 8% vs 2023

Profit after tax over the fiscal year.

Cash in the bank

€ 3.5 million

▼ 27% vs 2023

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

Where the profit goes Pays out

€ 200,000 paid out

12 % of the profit went to the shareholders, the rest stayed in the company.

People and assets in 2024

Vehicles and equipment

€ 8,939

▲ 89% vs 2023

Book value of vehicles, furniture and equipment.

Debts at end 2024

Bank debt ≈ 13 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.

€ 26.7 million

▲ 22% vs 2023

€ 2.1 million is repaid this year. At this pace the long-term loan is gone in ≈ 13 years.

Owed to suppliers

€ 214,083

▲ 226% vs 2023

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

Taxes and wages

€ 170,531

▲ 92% vs 2023

Taxes, VAT and social contributions still to pay.

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Key figures per fiscal year Download key figures (CSV)
	2021	2022	2023	2024	Change 2023 → 2024
Gross margin	€ 3,563,095 Gross margin 2021: € 3,563,095 First fiscal year in the series	€ 4,202,182 Gross margin 2022: € 4,202,182 ▲ 18% vs 2021 (€ 3,563,095) Favourable step	€ 4,483,930 Gross margin 2023: € 4,483,930 ▲ 7% vs 2022 (€ 4,202,182) Favourable step	€ 4,936,771 Gross margin 2024: € 4,936,771 ▲ 10% vs 2023 (€ 4,483,930) Favourable step	▲ 10%
Profit after taxes	€ 3,612,015 Profit after taxes 2021: € 3,612,015 First fiscal year in the series	€ 2,254,650 Profit after taxes 2022: € 2,254,650 ▼ 38% vs 2021 (€ 3,612,015) Unfavourable step	€ 1,551,921 Profit after taxes 2023: € 1,551,921 ▼ 31% vs 2022 (€ 2,254,650) Unfavourable step	€ 1,677,947 Profit after taxes 2024: € 1,677,947 ▲ 8% vs 2023 (€ 1,551,921) Favourable step	▲ 8%
Equity	€ 28,233,396 Equity 2021: € 28,233,396 First fiscal year in the series	€ 30,486,417 Equity 2022: € 30,486,417 ▲ 8% vs 2021 (€ 28,233,396) Favourable step	€ 32,037,510 Equity 2023: € 32,037,510 ▲ 5% vs 2022 (€ 30,486,417) Favourable step	€ 33,515,457 Equity 2024: € 33,515,457 ▲ 5% vs 2023 (€ 32,037,510) Favourable step	▲ 5%
Total debts	€ 13,119,154 Total debts 2021: € 13,119,154 First fiscal year in the series	€ 17,750,308 Total debts 2022: € 17,750,308 ▲ 35% vs 2021 (€ 13,119,154) Unfavourable step	€ 22,169,275 Total debts 2023: € 22,169,275 ▲ 25% vs 2022 (€ 17,750,308) Unfavourable step	€ 27,581,056 Total debts 2024: € 27,581,056 ▲ 24% vs 2023 (€ 22,169,275) Unfavourable step	▲ 24%
Cash	€ 2,662,527 Cash 2021: € 2,662,527 First fiscal year in the series	€ 2,953,806 Cash 2022: € 2,953,806 ▲ 11% vs 2021 (€ 2,662,527) Favourable step	€ 4,793,829 Cash 2023: € 4,793,829 ▲ 62% vs 2022 (€ 2,953,806) Favourable step	€ 3,517,749 Cash 2024: € 3,517,749 ▼ 27% vs 2023 (€ 4,793,829) Unfavourable step	▼ 27%
Land & buildings	€ 21,215,311 Land & buildings 2021: € 21,215,311 First fiscal year in the series	€ 21,903,162 Land & buildings 2022: € 21,903,162 ▲ 3% vs 2021 (€ 21,215,311) Unchanged	€ 28,056,124 Land & buildings 2023: € 28,056,124 ▲ 28% vs 2022 (€ 21,903,162) Unchanged	€ 36,476,760 Land & buildings 2024: € 36,476,760 ▲ 30% vs 2023 (€ 28,056,124) Unchanged	▲ 30%
Retained profit	€ 27,731,739 Retained profit 2021: € 27,731,739 First fiscal year in the series	€ 29,985,589 Retained profit 2022: € 29,985,589 ▲ 8% vs 2021 (€ 27,731,739) Favourable step	€ 31,537,510 Retained profit 2023: € 31,537,510 ▲ 5% vs 2022 (€ 29,985,589) Favourable step	€ 33,015,457 Retained profit 2024: € 33,015,457 ▲ 5% vs 2023 (€ 31,537,510) Favourable step	▲ 5%
Dividend	€ 0 Dividend 2021: € 0 First fiscal year in the series	€ 0 Dividend 2022: € 0 Unchanged (€ 0) Unchanged	€ 0 Dividend 2023: € 0 Unchanged (€ 0) Unchanged	€ 200,000 Dividend 2024: € 200,000 Unchanged (€ 0) Unchanged
Bank debt	€ 12,637,516 Bank debt 2021: € 12,637,516 First fiscal year in the series	€ 17,149,431 Bank debt 2022: € 17,149,431 ▲ 36% vs 2021 (€ 12,637,516) Unfavourable step	€ 21,797,530 Bank debt 2023: € 21,797,530 ▲ 27% vs 2022 (€ 17,149,431) Unfavourable step	€ 26,672,233 Bank debt 2024: € 26,672,233 ▲ 22% vs 2023 (€ 21,797,530) Unfavourable step	▲ 22%
Balance sheet total	€ 41,898,450 Balance sheet total 2021: € 41,898,450 First fiscal year in the series	€ 48,782,625 Balance sheet total 2022: € 48,782,625 ▲ 16% vs 2021 (€ 41,898,450) Unchanged	€ 54,752,685 Balance sheet total 2023: € 54,752,685 ▲ 12% vs 2022 (€ 48,782,625) Unchanged	€ 61,096,513 Balance sheet total 2024: € 61,096,513 ▲ 12% vs 2023 (€ 54,752,685) Unchanged	▲ 12%

Key figures of SONTAG, fiscal years 2021 to 2024, from the annual accounts filed with the National Bank of Belgium.The annual account for fiscal year 2025 has not been filed yet; it was expected before 31 July 2026.

What happened to SONTAG?

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

Jun 27, 2025 New annual accounts for financial year 2024: profit of € 1.7 million (▲ 8% vs 2023). Source: NBB ↗
Nov 7, 1975 Start of the company according to the CBE. KBO
Nov 1, 1975 New establishment in Brussel. KBO

In short

From € 3.6 million profit in 2021 to € 1.7 million profit in 2024.

Paid € 2.5 million in corporate taxes since 2021.

Best year ever: 2021, with € 3.6 million profit.

Paid out € 200,000 in dividends to the owners in total.

Original PDFs at the National Bank ↗

A new publication or filing at SONTAG? We notify you, reason included.

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My folder 3 companies

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

Real filings at the National Bank

Establishments

Establishment units

Physical locations of this company

Registered office

Zavelstraat 9

1000 Brussel

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 8 companies are registered at this address.

All companies at this address →

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IMOFRA same network

€ 334,537 gross margin · 2025

BALBAS

€ 685,055 gross margin · 2025

+3 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

0415.721.115

VAT number

BE 0415.721.115

Registered office

Zavelstraat 9, 1000 Brussel

Names & denominations

SONTAG

Enterprise type

Rechtspersoon

Legal form

Public limited company

Legal situation

Normale toestand

Start date

7 November 1975

Peppol

Active · Active since 26 Nov 2025

Activities · NACE

Ontwikkeling van residentiële bouwprojecten

Projectontwikkeling voor woningbouw

View on CBE Public ↗ Annual accounts (NBB) ↗