What does ISOSELF do?

ISOSELF is a heating and ventilation installer in Tervuren. Private Limited, started on 12 February 2014, 2 establishments.

What is the address of ISOSELF?

The registered office of ISOSELF is located at Roelandsheide 68, 3080 Tervuren.

Is ISOSELF still active?

Yes. According to the CBE (29 October 2026) ISOSELF is active, legal situation “Normale toestand”, started on 12 February 2014.

Is ISOSELF registered on Peppol?

Yes, ISOSELF is registered on the Peppol network with ID 0208:0546525021.

What is the enterprise number of ISOSELF?

The enterprise number of ISOSELF is BE0546525021.

When was ISOSELF founded?

ISOSELF was founded on 12 February 2014.

Who are the directors of ISOSELF?

According to the 2025 annual accounts, the directors of ISOSELF are: Petrus Monteyne.

Is ISOSELF a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 12 February 2014; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account; 2 establishments in the CBE.

How much profit did ISOSELF make in 2025?

ISOSELF posted a profit after taxes of € 63,175 in financial year 2025.

What is the revenue of ISOSELF?

As a small company, ISOSELF is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 261,510.

ISOSELF (Private Limited) - Tervuren - BE0546525021

Dossier ISOSELF, printed on 29 October 2026 from databakkes.be/en/0546525021/isoself. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Financials

Financial year 2025

ISOSELF from Tervuren, company number BE0546525021, closed financial year 2025 with a result of € 63,175 after tax. For that financial year ISOSELF recorded a gross margin of € 261,510 and equity of € 158,011. Compared with financial year 2024, the result moved from € 37,612 to € 63,175. Profitable, and profit is growing. The buffer is growing. High debts against a small own buffer. The most recent annual accounts were filed with the National Bank of Belgium on March 20, 2026.

What it is worth Growing

€ 158,011

▲ 36% vs 2024

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

Profit Growing

€ 63,175

▲ 68% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 78,205

▲ € 68,874 vs 2024

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

Where the profit goes Pays out

€ 21,000 paid out

33 % of the profit went to the shareholders, the rest stayed in the company.

People and assets in 2025

Vehicles and equipment

€ 48,746

▼ 14% vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

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.

€ 871,628

▲ € 785,447 vs 2024

€ 66,901 is repaid this year. At this pace the long-term loan is gone in ≈ 13 years.

Owed to suppliers

€ 174,945

▲ € 151,479 vs 2024

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

Taxes

€ 4,945

▼ 66% vs 2024

Corporate tax and VAT still to pay. No wage debt: nothing outstanding to staff or social security.

Key figures per fiscal year Download key figures (CSV)
	2022	2023	2024	2025	Change 2024 → 2025
Gross margin	€ 44,290 Gross margin 2022: € 44,290 First fiscal year in the series	€ 59,142 Gross margin 2023: € 59,142 ▲ 34% vs 2022 (€ 44,290) Favourable step	€ 109,937 Gross margin 2024: € 109,937 ▲ 86% vs 2023 (€ 59,142) Favourable step	€ 261,510 Gross margin 2025: € 261,510 ▲ 138% vs 2024 (€ 109,937) Favourable step	▲ 138%
Profit after taxes	€ 26,551 Profit after taxes 2022: € 26,551 First fiscal year in the series	€ 25,282 Profit after taxes 2023: € 25,282 ▼ 5% vs 2022 (€ 26,551) Unfavourable step	€ 37,612 Profit after taxes 2024: € 37,612 ▲ 49% vs 2023 (€ 25,282) Favourable step	€ 63,175 Profit after taxes 2025: € 63,175 ▲ 68% vs 2024 (€ 37,612) Favourable step	▲ 68%
Equity	€ 98,143 Equity 2022: € 98,143 First fiscal year in the series	€ 100,825 Equity 2023: € 100,825 ▲ 3% vs 2022 (€ 98,143) Favourable step	€ 115,837 Equity 2024: € 115,837 ▲ 15% vs 2023 (€ 100,825) Favourable step	€ 158,011 Equity 2025: € 158,011 ▲ 36% vs 2024 (€ 115,837) Favourable step	▲ 36%
Total debts	€ 261,528 Total debts 2022: € 261,528 First fiscal year in the series	€ 197,802 Total debts 2023: € 197,802 ▼ 24% vs 2022 (€ 261,528) Favourable step	€ 199,907 Total debts 2024: € 199,907 ▲ 1% vs 2023 (€ 197,802) Unfavourable step	€ 1,329,671 Total debts 2025: € 1,329,671 ▲ € 1.1 million vs 2024 (€ 199,907) Unfavourable step	▲ € 1.1 million
Cash	€ 52,122 Cash 2022: € 52,122 First fiscal year in the series	€ 14,283 Cash 2023: € 14,283 ▼ 73% vs 2022 (€ 52,122) Unfavourable step	€ 9,331 Cash 2024: € 9,331 ▼ 35% vs 2023 (€ 14,283) Unfavourable step	€ 78,205 Cash 2025: € 78,205 ▲ € 68,874 vs 2024 (€ 9,331) Favourable step	▲ € 68,874
Land & buildings	-	-	-	€ 999,137 Land & buildings 2025: € 999,137 First fiscal year in the series
Retained profit	€ 79,543 Retained profit 2022: € 79,543 First fiscal year in the series	€ 82,225 Retained profit 2023: € 82,225 ▲ 3% vs 2022 (€ 79,543) Favourable step	€ 97,237 Retained profit 2024: € 97,237 ▲ 18% vs 2023 (€ 82,225) Favourable step	€ 139,411 Retained profit 2025: € 139,411 ▲ 43% vs 2024 (€ 97,237) Favourable step	▲ 43%
Dividend	€ 22,600 Dividend 2022: € 22,600 First fiscal year in the series	€ 22,600 Dividend 2023: € 22,600 Unchanged (€ 22,600) Unchanged	€ 22,600 Dividend 2024: € 22,600 Unchanged (€ 22,600) Unchanged	€ 21,000 Dividend 2025: € 21,000 ▼ 7% vs 2024 (€ 22,600) Unchanged	▼ 7%
Bank debt	€ 86,020 Bank debt 2022: € 86,020 First fiscal year in the series	€ 71,355 Bank debt 2023: € 71,355 ▼ 17% vs 2022 (€ 86,020) Favourable step	€ 86,181 Bank debt 2024: € 86,181 ▲ 21% vs 2023 (€ 71,355) Unfavourable step	€ 871,628 Bank debt 2025: € 871,628 ▲ € 785,447 vs 2024 (€ 86,181) Unfavourable step	▲ € 785,447
Balance sheet total	€ 359,671 Balance sheet total 2022: € 359,671 First fiscal year in the series	€ 298,627 Balance sheet total 2023: € 298,627 ▼ 17% vs 2022 (€ 359,671) Unchanged	€ 315,744 Balance sheet total 2024: € 315,744 ▲ 6% vs 2023 (€ 298,627) Unchanged	€ 1,487,682 Balance sheet total 2025: € 1,487,682 ▲ € 1.2 million vs 2024 (€ 315,744) Unchanged	▲ € 1.2 million

Key figures of ISOSELF, 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 ISOSELF?

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

Mar 20, 2026 New annual accounts for financial year 2025: profit of € 63,175 (▲ 68% vs 2024). Source: NBB ↗
Aug 1, 2015 New establishment in Etterbeek. KBO
Feb 12, 2014 New establishment in Tervuren. KBO
2014 Petrus Monteyne became a director. NBB
Feb 12, 2014 Start of the company according to the CBE. KBO

In short

From € 26,551 profit in 2022 to € 63,175 profit in 2025.

Paid € 30,481 in corporate taxes since 2022.

Best year ever: 2025, with € 63,175 profit.

Paid out € 88,800 in dividends to the owners in total.

Original PDFs at the National Bank ↗

Management

Petrus Monteyne

ISOSELF

ECOHABS

Behind ISOSELF is Petrus Monteyne. Petrus Monteyne is also behind ECOHABS.

Directors

According to the 2025 annual accounts

Petrus Monteyne

Director

Also active at: ECOHABS

since 2014

Establishments

Establishment units

Physical locations of this company

Registered office

Roelandsheide 68

3080 Tervuren

2.244.379.862

Kolonel Van Gelestraat 125

1040 Etterbeek

Active since 1 August 2015

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 →

ECOHABS same network

€ 70,608 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

0546.525.021

VAT number

BE 0546.525.021

Registered office

Roelandsheide 68, 3080 Tervuren

Names & denominations

ISOSELF

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

12 February 2014

Peppol

Active · Active since 9 Oct 2025

Activities · NACE

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

Installatie van isolatie

Elektrotechnische installatiewerken van nijverheidsinrichtingen

Activiteiten van ingenieurs en aanverwante technische adviseurs, exclusief landmeters-experts

Isolatiewerkzaamheden

View on CBE Public ↗ Annual accounts (NBB) ↗

ISOSELF

Financials

What happened to ISOSELF?

Management

Directors

Establishments

Establishment units

Who else lives here?

Details

Frequently asked questions