What does MERTENS do?

MERTENS is a heating and ventilation installer in Baelen. Private Limited, started on 14 May 1993, 1 establishment.

What is the address of MERTENS?

The registered office of MERTENS is located at Rue de l'Invasion(MCH) 74, 4837 Baelen.

Is MERTENS still active?

Yes. According to the CBE (30 October 2026) MERTENS is active, legal situation “Normale toestand”, started on 14 May 1993.

Is MERTENS registered on Peppol?

Yes, MERTENS is registered on the Peppol network with ID 0208:0450136715.

What is the enterprise number of MERTENS?

The enterprise number of MERTENS is BE0450136715.

When was MERTENS founded?

MERTENS was founded on 14 May 1993.

Who are the directors of MERTENS?

According to the 2025 annual accounts, the directors of MERTENS are: Roger MERTENS.

Is MERTENS a reliable company?

Databakkes does not pass judgement; this is what the sources say: Active according to the CBE since 14 May 1993; 5 annual accounts filed, latest fiscal year 2025; 1 directors known from the annual account.

How much profit did MERTENS make in 2025?

MERTENS posted a profit after taxes of € 12,548 in financial year 2025.

What is the revenue of MERTENS?

As a small company, MERTENS is not required to publish revenue in its annual accounts. In financial year 2025, its added value was € 13,618.

MERTENS (Private Limited) - Baelen - BE0450136715

Dossier MERTENS, printed on 30 October 2026 from databakkes.be/en/0450136715/mertens. Sources: CBE, National Bank of Belgium, Belgian Official Gazette.

Warning lights

Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.

Negative equity NBB

More debt than assets in 3 of the last 4 fiscal years.

Financials

Financial year 2025

MERTENS from Baelen, company number BE0450136715, closed financial year 2025 with a result of € 12,548 after tax. For that financial year MERTENS recorded a gross margin of € 13,618 and equity of € -8,994. Compared with financial year 2024, the result moved from € 4,979 to € 12,548. Profitable, and profit is growing. More debts than assets. High debts against a small own buffer. The most recent annual accounts were filed with the National Bank of Belgium on July 2, 2026.

What it is worth Caution

€ -8,994

▲ € 12,548 vs 2024

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

Profit Growing

€ 12,548

▲ 152% vs 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 43,953

▼ 11% 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 € -39,980.

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

€ 1,061

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 24 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.

€ 88,715

▼ 6% vs 2024

€ 3,715 is repaid this year. At this pace the long-term loan is gone in ≈ 24 years.

Owed to suppliers

€ 816

▼ 72% vs 2024

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

Taxes

€ 918

▲ € 768 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	€ 9,917 Gross margin 2022: € 9,917 First fiscal year in the series	€ -30,659 Gross margin 2023: € -30,659 ▼ € 40,575 vs 2022 (€ 9,917) Unfavourable step	€ 21,361 Gross margin 2024: € 21,361 ▲ € 52,020 vs 2023 (€ -30,659) Favourable step	€ 13,618 Gross margin 2025: € 13,618 ▼ 36% vs 2024 (€ 21,361) Unfavourable step	▼ 36%
Profit after taxes	€ 1,858 Profit after taxes 2022: € 1,858 First fiscal year in the series	€ -37,499 Profit after taxes 2023: € -37,499 ▼ € 39,357 vs 2022 (€ 1,858) Unfavourable step	€ 4,979 Profit after taxes 2024: € 4,979 ▲ € 42,478 vs 2023 (€ -37,499) Favourable step	€ 12,548 Profit after taxes 2025: € 12,548 ▲ 152% vs 2024 (€ 4,979) Favourable step	▲ 152%
Equity	€ 10,978 Equity 2022: € 10,978 First fiscal year in the series	€ -26,521 Equity 2023: € -26,521 ▼ € 37,499 vs 2022 (€ 10,978) Unfavourable step	€ -21,542 Equity 2024: € -21,542 ▲ € 4,979 vs 2023 (€ -26,521) Favourable step	€ -8,994 Equity 2025: € -8,994 ▲ € 12,548 vs 2024 (€ -21,542) Favourable step	▲ € 12,548
Total debts	€ 126,774 Total debts 2022: € 126,774 First fiscal year in the series	€ 119,568 Total debts 2023: € 119,568 ▼ 6% vs 2022 (€ 126,774) Favourable step	€ 97,573 Total debts 2024: € 97,573 ▼ 18% vs 2023 (€ 119,568) Favourable step	€ 90,527 Total debts 2025: € 90,527 ▼ 7% vs 2024 (€ 97,573) Favourable step	▼ 7%
Cash	€ 58,875 Cash 2022: € 58,875 First fiscal year in the series	€ 31,393 Cash 2023: € 31,393 ▼ 47% vs 2022 (€ 58,875) Unfavourable step	€ 49,447 Cash 2024: € 49,447 ▲ 58% vs 2023 (€ 31,393) Favourable step	€ 43,953 Cash 2025: € 43,953 ▼ 11% vs 2024 (€ 49,447) Unfavourable step	▼ 11%
Retained profit	€ -20,009 Retained profit 2022: € -20,009 First fiscal year in the series	€ -57,508 Retained profit 2023: € -57,508 ▼ € 37,499 vs 2022 (€ -20,009) Unfavourable step	€ -52,529 Retained profit 2024: € -52,529 ▲ € 4,979 vs 2023 (€ -57,508) Favourable step	€ -39,980 Retained profit 2025: € -39,980 ▲ € 12,548 vs 2024 (€ -52,529) Favourable step	▲ € 12,548
Bank debt	€ 104,991 Bank debt 2022: € 104,991 First fiscal year in the series	€ 99,644 Bank debt 2023: € 99,644 ▼ 5% vs 2022 (€ 104,991) Favourable step	€ 94,219 Bank debt 2024: € 94,219 ▼ 5% vs 2023 (€ 99,644) Favourable step	€ 88,715 Bank debt 2025: € 88,715 ▼ 6% vs 2024 (€ 94,219) Favourable step	▼ 6%
Balance sheet total	€ 137,752 Balance sheet total 2022: € 137,752 First fiscal year in the series	€ 93,047 Balance sheet total 2023: € 93,047 ▼ 32% vs 2022 (€ 137,752) Unchanged	€ 76,030 Balance sheet total 2024: € 76,030 ▼ 18% vs 2023 (€ 93,047) Unchanged	€ 81,534 Balance sheet total 2025: € 81,534 ▲ 7% vs 2024 (€ 76,030) Unchanged	▲ 7%

Key figures of MERTENS, 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 MERTENS?

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

Jul 2, 2026 New annual accounts for financial year 2025: profit of € 12,548 (▲ 152% vs 2024). Source: NBB ↗
2024 Roger MERTENS became a director. NBB
Jun 14, 1993 New establishment in Baelen. KBO
May 14, 1993 Start of the company according to the CBE. KBO

In short

From € 1,858 profit in 2022 to € 12,548 profit in 2025.

Paid € 620 in corporate taxes since 2022.

Best year ever: 2025, with € 12,548 profit.

Original PDFs at the National Bank ↗

Management

Roger MERTENS

MERTENS

Behind MERTENS is Roger MERTENS.

Directors

According to the 2025 annual accounts

Roger MERTENS

Managing director

since 2024

Establishments

Establishment units

Physical locations of this company

Registered office

Rue de l'Invasion(MCH) 74

4837 Baelen

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

Details

Company number

0450.136.715

VAT number

BE 0450.136.715

Registered office

Rue de l'Invasion(MCH) 74, 4837 Baelen

Names & denominations

MERTENS

Enterprise type

Rechtspersoon

Legal form

Private limited company

Legal situation

Normale toestand

Start date

14 May 1993

Peppol

Active · Active since 29 Jan 2026

Activities · NACE

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

Installatie van verwarming, klimaatregeling en ventilatie

Groothandel in installatiemateriaal voor loodgieterswerk en verwarming

Groothandel in bouwmaterialen, algemeen assortiment

Detailhandel in verlichtingsartikelen

Groothandel in elektrisch materiaal, inclusief installatiemateriaal

Sanitaire werkzaamheden

Overig loodgieterswerk

View on CBE Public ↗ Annual accounts (NBB) ↗

MERTENS

Warning lights

Financials

What happened to MERTENS?

Management

Directors

Establishments

Establishment units

Details

Frequently asked questions