J4 Construction (Private limited company)
J4 Construction is a Belgian company registered with the Crossroads Bank for Enterprises under enterprise number 0801.689.459. It was founded on 11-05-2023. Its registered office is in Rumst. Its main activity is: Architectural and engineering activities; technical testing and analysis. Its annual accounts for 2025 report equity of € 51 343 and a profit of € 23 401. Addrly gives it a financial health grade of B, on a scale from A (safest) to E (most at risk). It filed its annual accounts within the legal deadline for each of its last 2 financial years.
Information last updated on 07-10-2026.
Company information
Key figures of J4 Construction
| 2025 | 2024 | |
|---|---|---|
Profit / lossiWhat the period earned after taxes. A negative amount is a loss. | € 23 401-10 % | € 25 942 |
EquityiWhat belongs to the shareholders: capital contributed, reserves and profits kept in the company. | € 51 343+84 % | € 27 942 |
Total assetsiEverything the company owns. Equal to total equity and liabilities, which says how it is financed. | € 73 503+30 % | € 56 536 |
Gross marginiSales and other operating income, minus purchases of goods and services. What is left to pay the staff and everything else. | € 33 079-19 % | € 40 902 |
Employees (FTE)iAverage number of workers over the period, in full-time equivalents. | - | - |
Financial estimate
Similar companies
Other companies in the same activity in Rumst.
| Company | Town |
|---|---|
| COMPUTER PORTRAIT SYSTEMS | 2840 Rumst |
| ESIS | 2840 Rumst |
| JAEKEN | 2840 Rumst |
| Architectenbureau Jan Marckx | 2840 Rumst |
| VIKTOR G. | 2840 Rumst |
| LAVENS | 2840 Rumst |
| STRUCTURES | 2840 Rumst |
| People 4 Technology | 2840 Rumst |
Frequently asked questions
Is J4 Construction still active? Yes. The Crossroads Bank for Enterprises lists J4 Construction as active.
What is the VAT number of J4 Construction? The VAT number of J4 Construction is BE 0801.689.459.
When was J4 Construction founded? J4 Construction was founded on 11-05-2023.
What is the address of J4 Construction? The current registered office of J4 Construction is Clemenshoek 115, 2840 Rumst.
When did J4 Construction last file annual accounts? The latest annual accounts of J4 Construction were filed on 24-12-2025.
Does J4 Construction file its annual accounts on time? Yes. J4 Construction filed its annual accounts within the legal deadline for each of its last 2 financial years.
Is J4 Construction financially healthy? Addrly gives J4 Construction a financial health grade of B, on a scale from A (safest) to E (most at risk). The failure probability and the indicators behind it are visible with a free account.
Is J4 Construction profitable? The annual accounts of J4 Construction for 2025 show a profit of € 23 401.
What is the equity of J4 Construction? The equity of J4 Construction was € 51 343 at the close of the 2025 financial year.
Who are the directors of J4 Construction? The annual accounts of J4 Construction record 1 mandate. The name, role and dates are visible with a free account.
Can J4 Construction receive Peppol e-invoices? Yes. J4 Construction is registered on the Peppol network and can receive structured electronic invoices.
What does J4 Construction do? The main activity of J4 Construction is: Architectural and engineering activities; technical testing and analysis.