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S.I.I.M.

Active Private limited companyfounded 1995active for 31 yearsDorpsstraat 31A, 2940 StabroekKBO/BCE: BE 0454.470.140 #4 company by equity in Stabroek, Real estate sector

Holdings

own accounts to 31-03-2025, the bar shows equity in euros
This companyS.I.I.M.1 holding, 1 country accounts to 31-03-2025

Belgium 1 Equity Result

  • BE Groep Callens99.53%no longer active €363,186 result -€31,940

Source: list of holdings in its own 31-03-2025 accounts. Every holding stands with its own latest accounts.

Earlier ties

SUNDAY GROUP
via Callens Steven, at S.I.I.M., last mentioned in 2023 · Director (not named in the articles) · deed of 28-06-2022
founded in 2013 · negative equity (2025)
9.7 FTE (2025)
Skinloft
via Callens Steven, at S.I.I.M., last mentioned in 2023 · Director · deed of 19-12-2025
founded in 2021 · negative equity (2025)
total assets €19,094 (2025)
SIMONT BRAUN
via Callens Steven, at S.I.I.M., last mentioned in 2023 · Member of the executive committee · deed of 05-10-2017
founded in 1999
15 FTE (2025)
Belgische Vereniging voor Inwendige Geneeskunde - Société belge de Médecine Interne - Belgian Society of Internal Medicine
via Callens Steven, at S.I.I.M., last mentioned in 2023 · Director · deed of 27-02-2025
founded in 1997
total assets €229,678 (2025)
Belgische Vereniging voor Infectiologie en Klinische Microbiologie - SociEtE belge d'Infectiologie et de Microbiologie clinique
via Callens Steven, at S.I.I.M., last mentioned in 2023 · Director · deed of 17-02-2021
founded in 1993
BROCOM
via Callens Steven, at S.I.I.M., last mentioned in 2023 · Director · deed of 01-07-2026
founded in 2010
Show 1 more earlier tie
ScAIdev
via Callens Steven, at S.I.I.M., last mentioned in 2023 · Permanent representative · deed of 02-09-2026
founded in 2026

Holdings and subsidiaries

1 holding

Holdings 1

Share, source and own figures per holding (1)
Holdings through the years 2007 to 2025
Holdings through the years
Name2007200820092010201120122013201420152016201720182019202020212022202320242025
GROEP CALLENS 98%99.5%99.53%
IMMO GROEP CALLENS 49%100%

Source: list of holdings in its own accounts

Board mandates elsewhere

1 board mandate
Board mandates of S.I.I.M.S.I.I.M. sits on their board1
Director, Managing director
No longer active · founded in 1990 · 9.2 FTE (2025)

Connections & network