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J4 Construction BV

J4 Construction (BV) is a company in Rumst, active in engineering activities and related technical consultancy, founded in 2023. Financial year 2025: gross margin €33,079, profit €23,401, equity €51,343.

ActiveEngineering activities and related technical consultancy
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Annual accounts 2025 filed on 24/12/2025 · profit €23,401 (-10%)View the figures →Read in plain language

Figures for J4 Construction, 2025NBB · micro format

All figures, sector and health →
Gross margin-19%€33,079Profit for the financial year-10%€23,401Equity+84%€51,343Solvency+20.4 pt69.9%

Three ratios

How we calculate
▲ 2.01 → 3.11
3.11current assets ÷ short-term debt
Position in the sector with Pro
▲ 49.4% → 69.9%
69.9%equity ÷ total assets
Position in the sector with Pro
▼ 68% → 43.6%
43.6%operating profit ÷ total assets
Position in the sector with Pro

Annual accounts 2025. The sector is recalculated every night.

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What happenedfrom the annual accounts and the CBE

  1. Annual accounts 2025 filed
  2. Annual accounts 2024 filed
  3. Incorporated as besloten vennootschap

Publications in the Belgian Official Gazette 1 publication

  • 15/05/2023Incorporation and articlesOprichting (nieuwe rechtspersoon, opening bijkantoor, enz...)Deed (pdf)

To the publication → list, timeline or per year

E-invoicing and VAT

Checking… · Peppol network and European VAT register (VIES)
PeppolWorking…
Peppol address
VAT number (VIES)Working…

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