Active · per the CBE, 30 October 2026
A.C.K. logo

A.C.K.

BE0438098619

Rechtspersoon Private limited company 1 establishment

A.C.K. is a specialised building contractor in Herstal. Private Limited, started on 24 July 1989, 1 establishment.

En Hayeneux 101, 4040 Herstal ac-herstal.com

Behind the company: Didier KONSDORFF, Mike KONSDORFF.

Active for

37 year, 3 months

Financials

Financial year 2025

A.C.K. from Herstal, company number BE0438098619, closed financial year 2025 with a result of € -5,076 after tax. For that financial year A.C.K. recorded a gross margin of € 120,902 and equity of € 210,822. Compared with financial year 2024, the result moved from € 24,575 to € -5,076. The company made a loss. The company holds a healthy buffer. A strong own buffer against the debts. The most recent annual accounts were filed with the National Bank of Belgium on September 30, 2026.

What it is worth Healthy

€ 210,822

▼ 2% vs 2024

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

Loss Caution

€ -5,076

▼ still € 24,575 profit in 2024

Profit after tax over the fiscal year.

Where the profit goes Caution

Loss, nothing to pay out

Reserves fell to € 204,575.

People and assets in 2025

Wage cost

€ 92,512

▲ 1% 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

€ 119,455

▲ € 95,785 vs 2024

Book value of vehicles, furniture and equipment.

Debts at end 2025

Bank debt ≈ 3 years to go

€ 92,066

▲ € 79,499 vs 2024

€ 28,271 is repaid this year. At this pace the long-term loan is gone in ≈ 3 years.

Owed to suppliers

€ 35,676

▲ 65% vs 2024

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

Taxes

€ 13,999

▲ 6% 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)
2022202320242025Change 2024 → 2025
Gross margin € 157,287 € 83,676 € 163,857 € 120,902 ▼ 26%
Profit after taxes € 18,522 € -9,485 € 24,575 € -5,076 ▼ € 29,651
Equity € 200,808 € 191,323 € 215,898 € 210,822 ▼ 2%
Total debts € 151,647 € 89,869 € 55,094 € 141,742 ▲ 157%
Cash € 40,527 € 16,687 € 82,784 -
Land & buildings € 14,838 € 49,891 € 45,150 € 40,547 ▼ 10%
Retained profit € 194,561 € 185,076 € 209,651 € 204,575 ▼ 2%
Bank debt € 23,070 € 17,053 € 12,568 € 92,066 ▲ € 79,499
Balance sheet total € 384,027 € 281,192 € 270,992 € 352,564 ▲ 30%

Key figures of A.C.K., 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 A.C.K.?

What happened at A.C.K. in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

  • New annual accounts for financial year 2025: loss of € 5,076 (▼ € 29,651 vs 2024). filed late Source: NBB ↗
  • Didier KONSDORFF became a director. NBB
  • Mike KONSDORFF became a director. NBB
  • New establishment in Herstal. KBO
  • Start of the company according to the CBE. KBO

In short

From € 18,522 profit in 2022 to € 5,076 loss in 2025.

Paid € 23,280 in corporate taxes since 2022.

Best year ever: 2024, with € 24,575 profit.

Management

Didier KONSDORFF Mike KONSDORFF
A.C.K.

Behind A.C.K. are Didier KONSDORFF and Mike KONSDORFF.

Directors

According to the 2025 annual accounts

Didier KONSDORFF

Director

since 2023

Mike KONSDORFF

Director

since 2023

Establishments

Establishment units

Physical locations of this company

Registered office

En Hayeneux 101

4040 Herstal

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

Website

Technologies

Google AnalyticsOpenStreetMapPHPWordPress

Hosting & Email

Email provider

Microsoft 365

Hosting

OVH, FR

Domain

Domain

ac-herstal.com

Registered

2001-02-05

Registrar

EuroDNS S.A.

Expires

2027-02-05

Website info

HTTPS Ja
Languages EN
Copyright 2026

Features

Jobs

Security

✓ HTTPS
✓ SPF
✓ DMARC

Details

Company number
0438.098.619
VAT number
BE 0438.098.619
Registered office
En Hayeneux 101, 4040 Herstal
Names & denominations
A.C.K.
Enterprise type
Rechtspersoon
Legal form
Private limited company
Legal situation
Normale toestand
Start date
24 July 1989
Peppol
Active · Active since 9 Nov 2025
Activities · NACE

Dakwerkzaamheden

Dakbedekking en bouw van dakconstructies

Overig loodgieterswerk

Sanitaire werkzaamheden

Frequently asked questions

What does A.C.K. do?
A.C.K. is a specialised building contractor in Herstal. Private Limited, started on 24 July 1989, 1 establishment.
What is the address of A.C.K.?
The registered office of A.C.K. is located at En Hayeneux 101, 4040 Herstal.
Is A.C.K. still active?
Yes. According to the CBE (30 October 2026) A.C.K. is active, legal situation “Normale toestand”, started on 24 July 1989.
Is A.C.K. registered on Peppol?
Yes, A.C.K. is registered on the Peppol network with ID 0208:0438098619.
What is the enterprise number of A.C.K.?
The enterprise number of A.C.K. is BE0438098619.
When was A.C.K. founded?
A.C.K. was founded on 24 July 1989.