Listing of Amrize Ltd as part of the spin-off from Holcim

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Client list for PRT Revisions & Treuhand AG (CHE-105.269.596)

Number of clients: 64
Entity Name Domicile Entity Canton Legal Form Engagement Start Last SOGC Publication Auditor Place (Branch) UID
aawi informatik AG Freienbach SZ Ltd 19.01.1998 10.05.2012 Winterthur CHE-106.479.050
AKOMPA GmbH Winterthur ZH LLC 21.07.2021 21.03.2022 Winterthur CHE-364.252.592
Albanese Baumaterialien AG Winterthur ZH Ltd 24.11.2014 24.11.2014 Winterthur CHE-116.361.800
Anderegg Immobilien-Treuhand AG Winterthur ZH Ltd 12.06.2001 02.09.2024 Winterthur CHE-106.307.590
AZ Immobilienberatung AG Wetzikon (ZH) ZH Ltd 20.05.1996 17.01.2022 Winterthur CHE-100.006.285
Barkat Cash + Carry GmbH Zürich ZH LLC 17.04.2024 17.04.2024 Winterthur CHE-113.978.542
care-win24 AG Winterthur ZH Ltd 02.07.2018 08.03.2023 Winterthur CHE-390.714.960
Cyltronic AG Winterthur ZH Ltd 07.07.2023 22.04.2025 Winterthur CHE-490.487.322
DataID AG Kloten ZH Ltd 18.07.2000 05.11.2010 Winterthur CHE-105.591.767
David Thaddey AG Fischingen TG Ltd 16.04.2002 03.03.2006 Winterthur CHE-107.095.172
Elfag Bau AG Wetzikon (ZH) ZH Ltd 23.06.2000 12.11.2024 Winterthur CHE-108.015.187
ESE Media GmbH Zürich ZH LLC 27.02.2024 18.07.2024 Winterthur CHE-468.209.041
Family AG Uster ZH Ltd 23.01.2024 02.06.2025 Winterthur CHE-210.243.485
FBW Liegenschaften AG Wetzikon (ZH) ZH Ltd 09.03.2010 12.11.2024 Winterthur CHE-100.623.354
FD Immobilien AG Turbenthal ZH Ltd 01.10.2018 18.04.2024 Winterthur CHE-107.498.860
Genossenschaft BZB Basler Zentrum für Bildung Basel BS Cooperative 28.01.2011 04.05.2021 Winterthur CHE-107.603.849
getroi Consulting GmbH in Liquidation Winterthur ZH LLC 03.05.2011 05.08.2024 Winterthur CHE-110.312.281
HAND IN HAND: STIFTUNG FÜR EINE NACHHALTIGE ENTWICKLUNG Winterthur ZH Foundation 15.07.2010 02.08.2024 Winterthur CHE-112.497.576
Hauser Gastro AG Wetzikon (ZH) ZH Ltd 01.10.2007 04.01.2024 Winterthur CHE-113.831.560
Hauswartex AG Elsau ZH Ltd 29.04.2016 08.11.2016 Winterthur CHE-104.961.689
HBF HUGGENBERGERFRIES ARCHITEKTEN AG ETH SIA BSA Zürich ZH Ltd 18.01.2016 14.10.2022 Winterthur CHE-110.112.109
Heinz Egolf Baumanagement AG Wetzikon (ZH) ZH Ltd 26.05.2000 12.11.2024 Winterthur CHE-106.417.764
Heinz Keller AG Seuzach ZH Ltd 07.07.2000 03.09.2014 Winterthur CHE-108.018.926
HereOnAir GmbH Zürich ZH LLC 31.03.2022 04.04.2022 Winterthur CHE-494.593.443
Herrmann Partner AG Andelfingen ZH Ltd 16.05.2025 16.05.2025 Winterthur CHE-265.093.835
Heusser Feuer & Keramik AG Winterthur ZH Ltd 20.01.2025 20.01.2025 Winterthur CHE-165.991.739
HEW Investment AG Wetzikon (ZH) ZH Ltd 22.09.2003 12.09.2024 Winterthur CHE-105.141.016
HF-CARBON AG Frauenfeld TG Ltd 07.02.2025 07.02.2025 Winterthur CHE-204.684.303
Home Gebäudemanagement AG Winterthur ZH Ltd 25.10.2022 28.04.2025 Winterthur CHE-113.655.062
HygiSwiss AG Winterthur ZH Ltd 04.11.2011 19.09.2023 Winterthur CHE-112.261.625

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List generated on 24.06.2025. Number of deleted entities (not included in the list above) which have PRT Revisions & Treuhand AG recorded as statutory auditor: 28.