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CONSTANTIA HOLDING

Active Risk: not assessed Public limited companyfounded 2006active for 19 yearsBrusselsesteenweg 69, 9090 Merelbeke-MelleKBO/BCE: BE 0885.626.331

Holdings

own accounts to 30-12-2025, the bar shows equity in euros
This companyCONSTANTIA HOLDING2 holdings, 1 country accounts to 30-12-2025

Belgium 2 Equity Result

  • BE IMMOFLANDRIA50% €685,640 result -€107,858
  • BE ABAK50% €305,918 result -€25,870

Source: list of holdings in its own 30-12-2025 accounts. Every holding stands with its own latest accounts.

At the same address

Brusselsesteenweg 69, 9090 Merelbeke-Melle · 10 other companies
ABAK
registered office since 24-04-2001 · founded in 2001
total assets €3.5m (2025)
0474.400.670
BAS INVEST
registered office since 15-12-2006 · founded in 2006
total assets €2.8m (2025)
0885.711.255
ABAK INVEST
registered office since 24-09-2019 · founded in 2019 · negative equity (2025)
total assets €2.3m (2025)
0734.847.155
Optisur Group
registered office since 16-07-2012 · founded in 2012
8.3 FTE (2025)
0847.432.976
OPTISUR INVEST
registered office since 07-12-2017 · founded in 2017
total assets €1.1m (2025)
0685.733.283
Immoflandria
registered office since 01-07-1959 · founded in 1966
total assets €746,514 (2025)
0400.152.615
Riedel Communications Belgium
establishment since 01-01-2024 · founded in 2019
4.1 FTE (2025)
0731.567.961
DE WITTE IMMOBILIËN
registered office since 26-12-2006 · founded in 2006
total assets €79,479 (2025)
0885.934.652
IMMOFLANDRIA REAL ESTATE DEVELOPMENT
registered office since 04-05-2001 · founded in 1988
total assets €32,872 (2025)
0434.657.196
BTW-eenheid OPTISUR
registered office since 24-04-2025
founded in 2025
1022.659.419

Holdings and subsidiaries

2 holdings

Holdings 2

Share, source and own figures per holding (2)

Source for every holding own accounts 30-12-2025

Holdings through the years 2006 to 2025
Holdings through the years
Name20062007200820092010201120122013201420152016201720182019202020212022202320242025
ABAK 50%
Immoflandria 49.8%50%
INGENIM 80%50%49%40%

Source: list of holdings in its own accounts

Board mandates elsewhere

1 board mandate
Board mandates of CONSTANTIA HOLDINGCONSTANTIA HOLDING sits on their board1
Director
Founded in 1966 · total assets €746,514 (2025)

Connections & network

1 current director
Depth

The board mandates are listed under Board mandates elsewhere. The network lets you explore the same ties.

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