Active · per the CBE, 18 September 2026

ALTTEC

BE0798374336

Rechtspersoon Private limited company 1 establishment

ALTTEC is a heating and ventilation installer in Bilzen-Hoeselt. Private Limited, started on 13 February 2023, 1 establishment.

Molenstraat 51, 3730 Bilzen-Hoeselt

Behind the company: Lennert Decoster, Jochen Schoefs.

Active for

3 year, 7 months

Financials

Financial year 2025

ALTTEC from Bilzen-Hoeselt, company number BE0798374336, closed financial year 2025 with a result of € 28,105 after tax. For that financial year ALTTEC recorded a gross margin of € 120,190 and equity of € 126,012. Compared with financial year 2024, the result moved from € 45,123 to € 28,105. The company is profitable. The buffer is growing. Debts are under control. The most recent annual accounts were filed with the National Bank of Belgium on June 19, 2026.

What it is worth Growing

€ 126,012

▲ 29% vs 2024

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

Profit Healthy

€ 28,105

▼ 38% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 54,444

▼ 51% 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 € 114,012.

People and assets in 2025

Wage cost

€ 67,864

▲ 98% vs 2024

Payroll staff only. What the director pays themselves is already netted into the gross margin and is not shown separately in the accounts.

Vehicles and equipment

€ 25,796

▲ 14% 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

€ 270,171

▲ 8% vs 2024

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

Taxes and wages

€ 18,927

▼ 42% vs 2024

Taxes, VAT and social contributions still to pay.

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Key figures per fiscal year Download key figures (CSV)
202320242025Change 2024 → 2025
Gross margin € 56,154 € 108,334 € 120,190 ▲ 11%
Profit after taxes € 40,785 € 45,123 € 28,105 ▼ 38%
Equity € 52,785 € 97,907 € 126,012 ▲ 29%
Total debts € 278,194 € 305,883 € 304,681
Cash € 65,400 € 111,234 € 54,444 ▼ 51%
Retained profit € 40,785 € 85,907 € 114,012 ▲ 33%
Balance sheet total € 330,978 € 403,791 € 430,693 ▲ 7%

Key figures of ALTTEC, fiscal years 2023 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 ALTTEC?

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

  • New annual accounts for financial year 2025: profit of € 28,105 (▼ 38% vs 2024). Source: NBB ↗
  • New establishment in Bilzen-Hoeselt. KBO
  • Start of the company according to the CBE. KBO

In short

From € 40,785 profit in 2023 to € 28,105 profit in 2025.

Paid € 39,047 in corporate taxes since 2023.

Best year ever: 2024, with € 45,123 profit.

Management

Lennert Decoster Jochen Schoefs

Behind ALTTEC are Lennert Decoster and Jochen Schoefs. The same people are also behind ALTTEC IMMO. Lennert Decoster is also behind Decoster verwarming & sanitair. Jochen Schoefs is also behind SCHOEFS TECHNICS.

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Directors

According to the 2025 annual accounts

Lennert Decoster

Director

Also active at: Decoster verwarming & sanitair, ALTTEC IMMO

Jochen Schoefs

Director

Also active at: SCHOEFS TECHNICS, ALTTEC IMMO

Establishments

Establishment units

Physical locations of this company

Registered office

Molenstraat 51

3730 Bilzen-Hoeselt

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
0798.374.336
VAT number
BE 0798.374.336
Registered office
Molenstraat 51, 3730 Bilzen-Hoeselt
Names & denominations
ALTTEC
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
13 February 2023
Peppol
Active · Active since 2 Sept 2023
Activities · NACE

Installatie van verwarming, klimaatregeling, koeling en ventilatie aangedreven door elektriciteit

Algemene elektrotechnische installatiewerken

Sanitaire werkzaamheden

Frequently asked questions

What does ALTTEC do?
ALTTEC is a heating and ventilation installer in Bilzen-Hoeselt. Private Limited, started on 13 February 2023, 1 establishment.
What is the address of ALTTEC?
The registered office of ALTTEC is located at Molenstraat 51, 3730 Bilzen-Hoeselt.
Is ALTTEC still active?
Yes. According to the CBE (18 September 2026) ALTTEC is active, legal situation “Normale toestand”, started on 13 February 2023.
Is ALTTEC registered on Peppol?
Yes, ALTTEC is registered on the Peppol network with ID 0208:0798374336.
What is the enterprise number of ALTTEC?
The enterprise number of ALTTEC is BE0798374336.
When was ALTTEC founded?
ALTTEC was founded on 13 February 2023.