Financials
Financial year 2025
SIERAKOWSKI-GROUPE from Schaarbeek, company number BE0806386536, closed financial year 2025 with a result of € 15,910 after tax. For that financial year SIERAKOWSKI-GROUPE recorded a gross margin of € 46,146 and equity of € 383,389. Compared with financial year 2023, the result moved from € 53,814 to € 15,910. The company is profitable. 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 August 31, 2026.
€ 383,389
▲ 9% vs 2023
Assets minus debts, by the books. What is left if everything were sold and paid today.
€ 15,910
▼ 70% vs 2023
Profit after tax over the fiscal year.
€ 90,951
▲ 29% vs 2023
Cash and bank balances on the last day of the fiscal year.
Stays in the company
No dividend for 2025. Retained profit grew to € 377,139.
People and assets in 2025
€ 10,164
▼ 63% vs 2023
Book value of vehicles, furniture and equipment.
Debts at end 2025
€ 58,321
▼ 43% vs 2023
€ 15,261 is repaid this year. At this pace the long-term loan is gone in ≈ 4 years.
€ 15,769
▲ € 13,894 vs 2023
Supplier invoices still open on the last day of the fiscal year.
€ 3,320
▼ 86% vs 2023
Corporate tax and VAT still to pay. No wage debt: nothing outstanding to staff or social security.
Want to see how much further we take a dossier in the Pro version? Open the free De Lijn example and give feedback →
| 2021 | 2022 | 2023 | 2025 | Change 2023 → 2025 | |
|---|---|---|---|---|---|
| Gross margin | € 70,585 | € 50,090 | € 104,162 | € 46,146 | ▼ 56% |
| Profit after taxes | € 40,477 | € 24,635 | € 53,814 | € 15,910 | ▼ 70% |
| Equity | € 271,688 | € 296,322 | € 350,136 | € 383,389 | ▲ 9% |
| Total debts | € 372,136 | € 179,969 | € 151,419 | € 94,968 | ▼ 37% |
| Cash | € 158,011 | € 56,984 | € 70,671 | € 90,951 | ▲ 29% |
| Land & buildings | € 197,111 | € 307,181 | € 363,422 | € 353,806 | ▼ 3% |
| Retained profit | € 265,438 | € 290,072 | € 343,886 | € 377,139 | ▲ 10% |
| Bank debt | € 144,009 | € 123,070 | € 101,957 | € 58,321 | ▼ 43% |
| Balance sheet total | € 643,823 | € 476,291 | € 501,555 | € 478,357 | ▼ 5% |
Key figures of SIERAKOWSKI-GROUPE, fiscal years 2021 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 SIERAKOWSKI-GROUPE?
What happened at SIERAKOWSKI-GROUPE in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:
- New annual accounts for financial year 2025: profit of € 15,910 (▼ 70% vs 2023). filed late Source: NBB ↗
- New establishment in Schaarbeek. KBO
- Wieslaw Sierakowski became a director. NBB
- Agnieska Zalewska became a director. NBB
- Start of the company according to the CBE. KBO
In short
From € 40,477 profit in 2021 to € 15,910 profit in 2025.
Paid € 53,021 in corporate taxes since 2021.
Best year ever: 2023, with € 53,814 profit.
A new publication or filing at SIERAKOWSKI-GROUPE? We notify you, reason included.
Follow SIERAKOWSKI-GROUPEDatabakkes Pro
Know what changes at your customers, suppliers and competitors. Without reading an annual account.
- Follow them in one folder Every company in your folder gets this full dossier: household book, all fiscal years, benchmark against companies of the same size.
- We alert you, with the reason New annual account, Official Gazette publication or status change: you get what changed and where it says so.
- In bulk too, and in ChatGPT and Claude Upload your customer list and get the warning signs back per company. Or ask in your own AI assistant, with this register as the source.
Databakkes Pro is being built. Sign up now and you are first in line for an invitation, with a month to try without a credit card.
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
Management
Behind SIERAKOWSKI-GROUPE are Wieslaw Sierakowski and Agnieska Zalewska .
Directors
According to the 2025 annual accounts
Wieslaw Sierakowski
Manager
since 2008
Agnieska Zalewska
Manager
since 2008
Establishments
Establishment units
Physical locations of this company
Chaumontelstraat 20-22
1030 Schaarbeek
Notelaarstraat 118
1030 Schaarbeek
Active since 18 September 2008
Who else lives here?
A building full of entrepreneurs or one very busy letterbox? Another 1 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
- 0806.386.536
- VAT number
- BE 0806.386.536
- Registered office
- Chaumontelstraat 20-22, 1030 Schaarbeek
- Names & denominations
- SIERAKOWSKI-GROUPE · S-GROUPE
- Enterprise type
- Rechtspersoon
- Legal form
- Private limited company
- Legal situation
- Normale toestand
- Start date
- 16 September 2008
- Peppol
- Active · Active since 29 Apr 2026
- Activities · NACE
Algemene bouw van residentiële gebouwen
Bouwrijp maken van terreinen
Overige bouwinstallatie
Algemene bouw van andere niet-residentiële gebouwen
Schrijnwerk
Handel in eigen onroerend goed
Overige bouwinstallatie, n.e.g.