What does ALTESIAL do?

ALTESIAL is an IT company in Wezembeek-Oppem. Private Limited, started on 16 March 2009, 1 establishment.

What is the address of ALTESIAL?

The registered office of ALTESIAL is located at Vosberg 27, 1970 Wezembeek-Oppem.

Is ALTESIAL still active?

Yes. According to the CBE (17 September 2026) ALTESIAL is active, legal situation “Normale toestand”, started on 16 March 2009.

Is ALTESIAL registered on Peppol?

Yes, ALTESIAL is registered on the Peppol network with ID 0208:0810441829.

What is the enterprise number of ALTESIAL?

The enterprise number of ALTESIAL is BE0810441829.

When was ALTESIAL founded?

ALTESIAL was founded on 16 March 2009.

Who are the directors of ALTESIAL?

According to the 2025 annual accounts, the directors of ALTESIAL are: Simon Grubb.

Is ALTESIAL a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 16 March 2009; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did ALTESIAL make in 2025?

ALTESIAL posted a profit after taxes of € 45,963 in financial year 2025.

What is the revenue of ALTESIAL?

As a small company, ALTESIAL is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 93,823.

ALTESIAL (Private Limited) - Wezembeek-Oppem

Dossier ALTESIAL, printed on 17 September 2026 from databakkes.be/en/0810441829/altesial. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2025

ALTESIAL from Wezembeek-Oppem, company number BE0810441829, closed financial year 2025 with a result of € 45,963 after tax. For that financial year ALTESIAL recorded a gross margin of € 93,823 and equity of € 229,469. Compared with financial year 2024, the result moved from € 55,050 to € 45,963. 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 March 9, 2026.

What it is worth Growing

€ 229,469

▲ 17% vs 2024

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

Profit Healthy

€ 45,963

▼ 17% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 215,456

▲ 30% vs 2024

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

Where the profit goes Pays out

€ 12,453 paid out

27 % of the profit went to the shareholders, the rest stayed in the company.

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

€ 5,486

▼ 40% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 5 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.

€ 86,116

▼ 15% vs 2024

€ 17,018 is repaid this year. At this pace the long-term loan is gone in ≈ 5 years.

Owed to suppliers

€ 6,727

▲ 43% vs 2024

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

Taxes and wages

€ 12,542

▼ 50% vs 2024

Taxes, VAT and social contributions still to pay.

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Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 60,371 Gross margin 2022: € 60,371 First fiscal year in the series	€ 80,114 Gross margin 2023: € 80,114 ▲ 33% vs 2022 (€ 60,371) Favourable step	€ 105,475 Gross margin 2024: € 105,475 ▲ 32% vs 2023 (€ 80,114) Favourable step	€ 93,823 Gross margin 2025: € 93,823 ▼ 11% vs 2024 (€ 105,475) Unfavourable step	▼ 11%
Profit after taxes	€ 23,930 Profit after taxes 2022: € 23,930 First fiscal year in the series	€ 36,409 Profit after taxes 2023: € 36,409 ▲ 52% vs 2022 (€ 23,930) Favourable step	€ 55,050 Profit after taxes 2024: € 55,050 ▲ 51% vs 2023 (€ 36,409) Favourable step	€ 45,963 Profit after taxes 2025: € 45,963 ▼ 17% vs 2024 (€ 55,050) Unfavourable step	▼ 17%
Equity	€ 104,500 Equity 2022: € 104,500 First fiscal year in the series	€ 140,909 Equity 2023: € 140,909 ▲ 35% vs 2022 (€ 104,500) Favourable step	€ 195,959 Equity 2024: € 195,959 ▲ 39% vs 2023 (€ 140,909) Favourable step	€ 229,469 Equity 2025: € 229,469 ▲ 17% vs 2024 (€ 195,959) Favourable step	▲ 17%
Total debts	€ 171,339 Total debts 2022: € 171,339 First fiscal year in the series	€ 164,332 Total debts 2023: € 164,332 ▼ 4% vs 2022 (€ 171,339) Favourable step	€ 131,377 Total debts 2024: € 131,377 ▼ 20% vs 2023 (€ 164,332) Favourable step	€ 111,324 Total debts 2025: € 111,324 ▼ 15% vs 2024 (€ 131,377) Favourable step	▼ 15%
Cash	€ 111,351 Cash 2022: € 111,351 First fiscal year in the series	€ 182,220 Cash 2023: € 182,220 ▲ 64% vs 2022 (€ 111,351) Favourable step	€ 166,179 Cash 2024: € 166,179 ▼ 9% vs 2023 (€ 182,220) Unfavourable step	€ 215,456 Cash 2025: € 215,456 ▲ 30% vs 2024 (€ 166,179) Favourable step	▲ 30%
Land & buildings	€ 110,059 Land & buildings 2022: € 110,059 First fiscal year in the series	€ 92,907 Land & buildings 2023: € 92,907 ▼ 16% vs 2022 (€ 110,059) Unchanged	€ 107,473 Land & buildings 2024: € 107,473 ▲ 16% vs 2023 (€ 92,907) Unchanged	€ 88,709 Land & buildings 2025: € 88,709 ▼ 17% vs 2024 (€ 107,473) Unchanged	▼ 17%
Retained profit	€ 98,300 Retained profit 2022: € 98,300 First fiscal year in the series	€ 134,709 Retained profit 2023: € 134,709 ▲ 37% vs 2022 (€ 98,300) Favourable step	€ 189,759 Retained profit 2024: € 189,759 ▲ 41% vs 2023 (€ 134,709) Favourable step	€ 223,269 Retained profit 2025: € 223,269 ▲ 18% vs 2024 (€ 189,759) Favourable step	▲ 18%
Dividend	€ 0 Dividend 2022: € 0 First fiscal year in the series	€ 0 Dividend 2023: € 0 Unchanged (€ 0) Unchanged	€ 0 Dividend 2024: € 0 Unchanged (€ 0) Unchanged	€ 12,453 Dividend 2025: € 12,453 Unchanged (€ 0) Unchanged
Bank debt	€ 134,446 Bank debt 2022: € 134,446 First fiscal year in the series	€ 119,737 Bank debt 2023: € 119,737 ▼ 11% vs 2022 (€ 134,446) Favourable step	€ 101,509 Bank debt 2024: € 101,509 ▼ 15% vs 2023 (€ 119,737) Favourable step	€ 86,116 Bank debt 2025: € 86,116 ▼ 15% vs 2024 (€ 101,509) Favourable step	▼ 15%
Balance sheet total	€ 275,839 Balance sheet total 2022: € 275,839 First fiscal year in the series	€ 305,242 Balance sheet total 2023: € 305,242 ▲ 11% vs 2022 (€ 275,839) Unchanged	€ 327,337 Balance sheet total 2024: € 327,337 ▲ 7% vs 2023 (€ 305,242) Unchanged	€ 340,794 Balance sheet total 2025: € 340,794 ▲ 4% vs 2024 (€ 327,337) Unchanged	▲ 4%

Key figures of ALTESIAL, 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 ALTESIAL?

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

Mar 9, 2026 New annual accounts for financial year 2025: profit of € 45,963 (▼ 17% vs 2024). Source: NBB ↗
Mar 24, 2009 New establishment in Wezembeek-Oppem. KBO
Mar 16, 2009 Start of the company according to the CBE. KBO
2009 Simon Grubb became a director. NBB

In short

From € 23,930 profit in 2022 to € 45,963 profit in 2025.

Paid € 66,641 in corporate taxes since 2022.

Best year ever: 2024, with € 55,050 profit.

Paid out € 12,453 in dividends to the owners in total.

Original PDFs at the National Bank ↗

A new publication or filing at ALTESIAL? 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

Simon Grubb

ALTESIAL

Behind ALTESIAL is Simon Grubb.

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Directors

According to the 2025 annual accounts

Simon Grubb

Director

since 2009

Establishments

Establishment units

Physical locations of this company

Registered office

Vosberg 27

1970 Wezembeek-Oppem

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

Details

Company number

0810.441.829

VAT number

BE 0810.441.829

Registered office

Vosberg 27, 1970 Wezembeek-Oppem

Names & denominations

ALTESIAL

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

16 March 2009

Peppol

Active · Active since 6 Oct 2025

Activities · NACE

Activiteiten op het gebied van computerconsultancy en beheer van computerfaciliteiten

Computerconsultancy-activiteiten

Ontwerpen van computerprogramma’s

Overige zakelijke dienstverlening, neg

Ontwerpen en programmeren van computerprogramma's

View on CBE Public ↗ Annual accounts (NBB) ↗

ALTESIAL

Financials

What happened to ALTESIAL?

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

Management

Directors

Establishments

Establishment units

Details

Frequently asked questions