What is the address of Sidereus?

The registered office of Sidereus is located at Eugène De Plynstraat 25 box 4.1, 2060 Antwerpen.

Is Sidereus still active?

Yes. According to the CBE (6 October 2026) Sidereus is active, legal situation “Normale toestand”, started on 3 December 2010.

Is Sidereus registered on Peppol?

Yes, Sidereus is registered on the Peppol network with ID 0208:0831628114.

What is the enterprise number of Sidereus?

The enterprise number of Sidereus is BE0831628114.

When was Sidereus founded?

Sidereus was founded on 3 December 2010.

Who are the directors of Sidereus?

According to the 2025 annual accounts, the directors of Sidereus are: OLAV ADAMI.

Is Sidereus a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 3 December 2010; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did Sidereus make in 2025?

Sidereus posted a profit after taxes of € 395 in financial year 2025.

What is the revenue of Sidereus?

As a small company, Sidereus is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 11,412.

Sidereus (Private Limited) - Antwerpen - BE0831628114

Q: What does Sidereus do?

Sidereus is registered with the CBE as active in: Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies. Private Limited, started on 3 December 2010, 1 establishment.

Dossier Sidereus, printed on 6 October 2026 from databakkes.be/en/0831628114/sidereus. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2025

Sidereus from Antwerpen, company number BE0831628114, closed financial year 2025 with a result of € 395 after tax. For that financial year Sidereus recorded a gross margin of € 11,412 and equity of € 60,691. Compared with financial year 2024, the result moved from € 1,828 to € 395. 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 24, 2026.

What it is worth Growing

€ 60,691

▲ 1% vs 2024

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

Profit Healthy

€ 395

▼ 78% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 8,628

▼ 43% 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 € 48,291.

People and assets in 2025

Full-time equivalents estimate The annual accounts report no full-time equivalents. A micro company with one active director is usually run by that person; this is an assumption, not a figure from the source.

≈ 1

No payroll staff. One director, so that person most likely runs the business.

Vehicles and equipment

€ 24,574

▲ € 21,713 vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 2 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.

€ 14,393

€ 7,738 is repaid this year. At this pace the long-term loan is gone in ≈ 2 years.

Owed to suppliers

€ 8,455

▼ 46% vs 2024

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

Taxes

€ 4,641

▼ 51% 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)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 38,624 Gross margin 2022: € 38,624 First fiscal year in the series	€ 44,265 Gross margin 2023: € 44,265 ▲ 15% vs 2022 (€ 38,624) Favourable step	€ 22,774 Gross margin 2024: € 22,774 ▼ 49% vs 2023 (€ 44,265) Unfavourable step	€ 11,412 Gross margin 2025: € 11,412 ▼ 50% vs 2024 (€ 22,774) Unfavourable step	▼ 50%
Profit after taxes	€ 4,855 Profit after taxes 2022: € 4,855 First fiscal year in the series	€ 9,119 Profit after taxes 2023: € 9,119 ▲ 88% vs 2022 (€ 4,855) Favourable step	€ 1,828 Profit after taxes 2024: € 1,828 ▼ 80% vs 2023 (€ 9,119) Unfavourable step	€ 395 Profit after taxes 2025: € 395 ▼ 78% vs 2024 (€ 1,828) Unfavourable step	▼ 78%
Equity	€ 49,348 Equity 2022: € 49,348 First fiscal year in the series	€ 58,467 Equity 2023: € 58,467 ▲ 18% vs 2022 (€ 49,348) Favourable step	€ 60,296 Equity 2024: € 60,296 ▲ 3% vs 2023 (€ 58,467) Favourable step	€ 60,691 Equity 2025: € 60,691 ▲ 1% vs 2024 (€ 60,296) Favourable step	▲ 1%
Total debts	€ 127,251 Total debts 2022: € 127,251 First fiscal year in the series	€ 100,700 Total debts 2023: € 100,700 ▼ 21% vs 2022 (€ 127,251) Favourable step	€ 25,174 Total debts 2024: € 25,174 ▼ 75% vs 2023 (€ 100,700) Favourable step	€ 27,889 Total debts 2025: € 27,889 ▲ 11% vs 2024 (€ 25,174) Unfavourable step	▲ 11%
Cash	€ 1,173 Cash 2022: € 1,173 First fiscal year in the series	€ 1,060 Cash 2023: € 1,060 ▼ 10% vs 2022 (€ 1,173) Unfavourable step	€ 15,181 Cash 2024: € 15,181 ▲ € 14,121 vs 2023 (€ 1,060) Favourable step	€ 8,628 Cash 2025: € 8,628 ▼ 43% vs 2024 (€ 15,181) Unfavourable step	▼ 43%
Land & buildings	€ 148,156 Land & buildings 2022: € 148,156 First fiscal year in the series	€ 130,652 Land & buildings 2023: € 130,652 ▼ 12% vs 2022 (€ 148,156) Unchanged	-	-
Retained profit	€ 36,948 Retained profit 2022: € 36,948 First fiscal year in the series	€ 46,067 Retained profit 2023: € 46,067 ▲ 25% vs 2022 (€ 36,948) Favourable step	€ 47,896 Retained profit 2024: € 47,896 ▲ 4% vs 2023 (€ 46,067) Favourable step	€ 48,291 Retained profit 2025: € 48,291 ▲ 1% vs 2024 (€ 47,896) Favourable step	▲ 1%
Bank debt	€ 113,261 Bank debt 2022: € 113,261 First fiscal year in the series	€ 78,383 Bank debt 2023: € 78,383 ▼ 31% vs 2022 (€ 113,261) Favourable step	€ 0 Bank debt 2024: € 0 ▼ 100% vs 2023 (€ 78,383) Favourable step	€ 14,393 Bank debt 2025: € 14,393 Unchanged (€ 0) Unfavourable step
Balance sheet total	€ 176,599 Balance sheet total 2022: € 176,599 First fiscal year in the series	€ 159,168 Balance sheet total 2023: € 159,168 ▼ 10% vs 2022 (€ 176,599) Unchanged	€ 85,469 Balance sheet total 2024: € 85,469 ▼ 46% vs 2023 (€ 159,168) Unchanged	€ 88,580 Balance sheet total 2025: € 88,580 ▲ 4% vs 2024 (€ 85,469) Unchanged	▲ 4%

Key figures of Sidereus, 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 July 2027.

What happened to Sidereus?

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

Aug 24, 2026 New annual accounts for financial year 2025: profit of € 395 (▼ 78% vs 2024). filed late Source: NBB ↗
Dec 3, 2010 New establishment in Antwerpen. KBO
Dec 3, 2010 Start of the company according to the CBE. KBO

In short

From € 4,855 profit in 2022 to € 395 profit in 2025.

Paid € 19,441 in corporate taxes since 2022.

Best year ever: 2023, with € 9,119 profit.

Original PDFs at the National Bank ↗

A new publication or filing at Sidereus? 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

Management

OLAV ADAMI

Sidereus

Behind Sidereus is OLAV ADAMI.

See the full network in the app

Directors

According to the 2025 annual accounts

OLAV ADAMI

Director

Establishments

Establishment units

Physical locations of this company

Registered office

Eugène De Plynstraat 25 box 4.1

2060 Antwerpen

2.193.880.177

Eugène De Plynstraat 25 box 401

2060 Antwerpen

Active since 3 December 2010

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 →

Andreas Vermeiren

€ 22,024 gross margin · 2025

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

Details

Company number

0831.628.114

VAT number

BE 0831.628.114

Registered office

Eugène De Plynstraat 25 bus 4.1, 2060 Antwerpen

Names & denominations

Sidereus

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

3 December 2010

Peppol

Active · Active since 5 Nov 2025

Activities · NACE

Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies

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

View on CBE Public ↗ Annual accounts (NBB) ↗

Sidereus

Financials

What happened to Sidereus?

Know what changes at your customers, suppliers and competitors. Without reading an annual account.

Management

Directors

Establishments

Establishment units

Who else lives here?

Details

Frequently asked questions