Active · per the CBE, 18 September 2026

MARK DE KEYSER

BE0879452973

Rechtspersoon Private limited company 1 establishment

MARK DE KEYSER is a heating and ventilation installer in Oud-Turnhout. Private Limited, started on 17 February 2006, 1 establishment.

Landbouwstraat 6, 2360 Oud-Turnhout

Behind the company: Mark DE KEYSER.

Active for

20 year, 7 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.

  • Tight liquidity NBB

    Cash and receivables cover 33 % of short-term debt in 2025; threshold 65 %.

Financials

Financial year 2025

MARK DE KEYSER from Oud-Turnhout, company number BE0879452973, closed financial year 2025 with a result of € 11,295 after tax. For that financial year MARK DE KEYSER recorded a gross margin of € 23,170 and equity of € -35,253. Compared with financial year 2024, the result moved from € -8,035 to € 11,295. 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 June 16, 2026.

What it is worth Caution

€ -35,253

▲ € 11,295 vs 2024

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

Profit Growing

€ 11,295

▲ still € 8,035 loss in 2024

Profit after tax over the fiscal year.

Cash in the bank

€ 9,297

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 € -41,453.

People and assets in 2025

Full-time equivalents estimate

≈ 1

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

Vehicles and equipment

€ 24,477

▲ € 20,950 vs 2024

Of which on lease € 226.

Debts at end 2025

Bank debt

€ 236

▼ 97% vs 2024

Loans from banks and other lenders, long and short.

Owed to suppliers

€ 2,346

▼ 79% vs 2024

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

Taxes

€ 1,312

▲ 27% vs 2024

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

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Key figures per fiscal year Download key figures (CSV)
2022202320242025Change 2024 → 2025
Gross margin € 26,714 € -5,805 € 1,309 € 23,170 ▲ € 21,861
Profit after taxes € 4,625 € -15,992 € -8,035 € 11,295 ▲ € 19,329
Equity € -22,521 € -38,513 € -46,548 € -35,253 ▲ € 11,295
Total debts € 94,374 € 92,529 € 102,157 € 112,983 ▲ 11%
Cash € 0 - - € 9,297
Retained profit € -28,721 € -44,713 € -52,748 € -41,453 ▲ € 11,295
Bank debt € 40,789 € 35,715 € 9,238 € 236 ▼ 97%
Balance sheet total € 71,853 € 54,016 € 55,609 € 77,729 ▲ 40%

Key figures of MARK DE KEYSER, 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 MARK DE KEYSER?

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

  • New annual accounts for financial year 2025: profit of € 11,295. Source: NBB ↗
  • New establishment in Oud-Turnhout. KBO
  • Mark DE KEYSER became a director. NBB
  • Start of the company according to the CBE. KBO

In short

From € 4,625 profit in 2022 to € 11,295 profit in 2025.

Paid € 969 in corporate taxes since 2022.

Best year ever: 2025, with € 11,295 profit.

Management

Mark DE KEYSER
MARK DE KEYSER

Behind MARK DE KEYSER is Mark DE KEYSER.

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Directors

According to the 2025 annual accounts

Mark DE KEYSER

Director

since 2006

Establishments

Establishment units

Physical locations of this company

Registered office

Landbouwstraat 6

2360 Oud-Turnhout

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

Details

Company number
0879.452.973
VAT number
BE 0879.452.973
Registered office
Landbouwstraat 6, 2360 Oud-Turnhout
Names & denominations
MARK DE KEYSER
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
17 February 2006
Peppol
Active · Active since 7 Dec 2025
Activities · NACE

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

Installatie van verwarming, klimaatregeling en ventilatie

Sanitaire werkzaamheden

Overig loodgieterswerk

Frequently asked questions

What does MARK DE KEYSER do?
MARK DE KEYSER is a heating and ventilation installer in Oud-Turnhout. Private Limited, started on 17 February 2006, 1 establishment.
What is the address of MARK DE KEYSER?
The registered office of MARK DE KEYSER is located at Landbouwstraat 6, 2360 Oud-Turnhout.
Is MARK DE KEYSER still active?
Yes. According to the CBE (18 September 2026) MARK DE KEYSER is active, legal situation “Normale toestand”, started on 17 February 2006.
Is MARK DE KEYSER registered on Peppol?
Yes, MARK DE KEYSER is registered on the Peppol network with ID 0208:0879452973.
What is the enterprise number of MARK DE KEYSER?
The enterprise number of MARK DE KEYSER is BE0879452973.
When was MARK DE KEYSER founded?
MARK DE KEYSER was founded on 17 February 2006.