TROISMER

Active Private limited companyfounded 2007active for 19 yearsBosweg 1, 1860 MeiseKBO/BCE: BE 0890.432.977 #2 company by total assets in Meise, Professional and technical services sector

TROISMER

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Holdings

own 2025 accounts, the bar shows equity in euros

This companyTROISMER5 holdings, 1 country 2025 accounts

Belgium 5 Equity Result

BE FGM nv91.58% €9.2m result -€2.5m
BE Five Trees bv99.5% €5.1m result -€125,607
BE Etablissement Raymond De Groodt99.99% €5.1m result -€645,996
BE Lasmer nv99.99% €4.1m result -€2.6m
BE Tenggara bv50% -€601,223 result -€85,460

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

The LEI register names no parent.

Earlier ties

NEXIOS CONSULTING GROUP via Léon Seynave, no longer at NEXIOS CONSULTING GROUP · Director (not named in the articles) · deed of 29-11-2023 founded in 2002	68 FTE (2025)
BESIX Environment via Léon Seynave, no longer at BESIX Environment · Director · deed of 02-07-2018 founded in 1989 · group BESIX Group	17 FTE (2025)

Holdings and subsidiaries

5 holdings

Share, source and own figures per holding (5)

Source for every holding own accounts 2025

ETABLISSEMENTS RAYMOND DE GROODTsubsidiary
Equity €5.1m Loss of €645,996 in 2025 (profit of €1.5m in 2024) Checked score 86

99.99%
LASMERsubsidiary
Equity €4.1m Loss of €2.6m in 2025 (loss of €9,197 in 2024) Checked score 17

99.99%
FIVE TREESsubsidiary
Equity €5.1m Loss of €125,607 in 2025 (loss of €2,075 in 2024) Checked score 84

99.5%
FGMsubsidiary
Equity €9.2m Loss of €2.5m in 2025 (loss of €1.8m in 2024) Checked score 79

91.58%
TENGGARA
Equity -€601,223 Loss of €85,460 in 2025 (loss of €25,416 in 2024) Checked score 53

50%

Holdings through the years 2008 to 2025

Holdings through the years
Name	2008	2010	2018	2023
ETABLISSEMENTS RAYMOND DE GROODT 2008 to 2025: 99.99%	99.99%
LASMER 2008 to 2025: 99.99%	99.99%
FIVE TREES 2010 to 2022: 99.05% 2023 to 2025: 99.5%		99.05%		99.5%
FGM 2018 to 2025: 91.58%			91.58%
TENGGARA 2008 to 2025: 50%	50%

Source: list of holdings in its own accounts

Board mandates elsewhere

3 board mandates

Board mandates of TROISMERTROISMER sits on their board3

FGM

Director, Managing director

Founded in 1989 · total assets €23.7m (2025)

AMELGEM

Director

Founded in 2018 · 3.5 FTE (2025)

CONCEPTION ET DEVELOPPEMENT IMMOBILIER

Director, Managing director

Founded in 2005 · total assets €1.8m (2025)

Connections & network

1 connected company

Depth

Shared directors

This company Company Director Shareholding +N: links not shown yet

Linked via shared directors

3MER Partners

via SEYNAVE Léon Arnold Marie Séraphin · Permanent representative · deed of 24-03-2026

Founded in 2023 · total assets €163,915 (2025)

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