Active · per the CBE, 16 September 2026
MERTENS - BEHEER logo

MERTENS - BEHEER

BE0445346301

Rechtspersoon Private limited company 1 establishment

MERTENS - BEHEER is registered with the CBE as active in: Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies. Private Limited, started on 25 September 1991, 1 establishment.

Zeedijk-Albertstrand 497 box 6.1, 8300 Knokke-Heist immomelkert.be

Behind the company: Guido MERTENS.

Active for

34 year, 11 months

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 4 of the last 4 fiscal years.

  • Two loss years in a row NBB

    Negative result in 2024 and 2025.

  • Not on Peppol Peppol

    Not registered in the Peppol network, mandatory for VAT-liable companies since 1 January 2026.

Financials

Financial year 2025

MERTENS - BEHEER from Knokke-Heist, company number BE0445346301, closed financial year 2025 with a result of € -3,196 after tax. For that financial year MERTENS - BEHEER recorded a gross margin of € -1,240 and equity of € -33,048. Compared with financial year 2024, the result moved from € -3,052 to € -3,196. The company made a loss. 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 29, 2026.

What it is worth Caution

€ -33,048

▼ € 3,196 vs 2024

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

Loss Caution

€ -3,196

▼ 5 % more loss than in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 19

▼ 15% vs 2024

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

Where the profit goes Caution

Loss, nothing to pay out

Reserves fell to € -39,548.

People and assets in 2025

Full-time equivalents estimate

≈ 1

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

Debts at end 2025

Bank debt

None

No bank loans on the last day of the fiscal year.

Owed to suppliers

€ 12,026

▼ 1% vs 2024

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

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Key figures per fiscal year Download key figures (CSV)
2022202320242025Change 2024 → 2025
Gross margin € -2,972 € -621 € -377 € -1,240 ▼ € 863
Profit after taxes € -5,466 € -4,973 € -3,052 € -3,196 ▼ € 143
Equity € -21,827 € -26,800 € -29,853 € -33,048 ▼ € 3,196
Total debts € 106,770 € 109,088 € 111,065 € 120,974 ▲ 9%
Cash € 35 € 24 € 22 € 19 ▼ 15%
Retained profit € -28,327 € -33,300 € -36,353 € -39,548 ▼ € 3,196
Bank debt € 24,900 € 24,450 € 0 € 0
Balance sheet total € 84,943 € 82,288 € 81,212 € 87,926 ▲ 8%

Key figures of MERTENS - BEHEER, 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 - BEHEER?

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

  • New annual accounts for financial year 2025: loss of € 3,196. Source: NBB ↗
  • Guido MERTENS became a director. NBB
  • New establishment in Knokke-Heist. KBO
  • Start of the company according to the CBE. KBO

In short

From € 5,466 loss in 2022 to € 3,196 loss in 2025.

Management

Guido MERTENS
MERTENS - BEHEER

Behind MERTENS - BEHEER is Guido MERTENS.

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Directors

According to the 2025 annual accounts

Guido MERTENS

Director

since 2006

Establishments

Establishment units

Physical locations of this company

Registered office

Zeedijk-Albertstrand 497 box 6.1

8300 Knokke-Heist

2.209.827.472

Zeedijk-Albertstrand 497 box app.6.1

8301 Knokke-Heist

Active since 17 October 1991

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

Website

Technologies

Adobe FontsCloudflare CDNJSFont AwesomeGoogle AnalyticsMasonryNginxOwl CarouselPHPWordPressjQuery

Hosting & Email

Email provider

Microsoft 365

Hosting

COMBELL-AS, BE

Website info

HTTPS Ja
Languages FR, NL

Features

Security

HTTPS
SPF
DMARC

Details

Company number
0445.346.301
VAT number
BE 0445.346.301
Registered office
Zeedijk-Albertstrand 497 bus 6.1, 8300 Knokke-Heist
Names & denominations
MERTENS - BEHEER
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
25 September 1991
Peppol
Not registered
Activities · NACE

Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies

Overige adviesbureaus op het gebied van bedrijfsvoering en beheer

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

Frequently asked questions

What does MERTENS - BEHEER do?
MERTENS - BEHEER is registered with the CBE as active in: Activiteiten van adviesbureaus op het gebied van bedrijfsvoering en overig managementadvies. Private Limited, started on 25 September 1991, 1 establishment.
What is the address of MERTENS - BEHEER?
The registered office of MERTENS - BEHEER is located at Zeedijk-Albertstrand 497 box 6.1, 8300 Knokke-Heist.
Is MERTENS - BEHEER still active?
Yes. According to the CBE (16 September 2026) MERTENS - BEHEER is active, legal situation “Normale toestand”, started on 25 September 1991.
Is MERTENS - BEHEER registered on Peppol?
No, MERTENS - BEHEER is currently not registered on the Peppol network.
What is the enterprise number of MERTENS - BEHEER?
The enterprise number of MERTENS - BEHEER is BE0445346301.
When was MERTENS - BEHEER founded?
MERTENS - BEHEER was founded on 25 September 1991.