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795'104 firms from the commercial register, free to search by name, UID, town or postcode. For each firm you see how many building projects it is involved in.

More than 1'000 results; the first ones are shown. Narrow the search with a canton or a more precise name.

Langenegger Heizungen GmbH GmbH · 9426 Lutzenberg · AR 6 building projects
Kugler Holzbau AG AG · 9427 Wolfhalden · AR 5 building projects
Mettler Holzbau GmbH GmbH · 9103 Schwellbrunn · AR 5 building projects
Gabriel Koller GmbH GmbH · 9043 Trogen · AR 3 building projects
Urs Graf Bedachungen AG AG · 9410 Heiden · AR 3 building projects
schraner partner architektur gmbh GmbH · 9042 Speicher · AR 3 building projects
Blumer AG AG · 9104 Waldstatt · AR 2 building projects
Steffen Energie & Elektro GmbH GmbH · 9410 Heiden · AR 2 building projects
stco ag AG · 9100 Herisau · AR 1 building project
Sefar AG AG · 9410 Heiden · AR 1 building project
Famino AG AG · 9426 Lutzenberg · AR 1 building project
Nägeli AG AG · 9056 Gais · AR 1 building project
martin'S AG AG · 9427 Wolfhalden · AR 1 building project
Brunner GmbH GmbH · 9044 Wald AR · AR 1 building project
JARS IMMO AG AG · 9053 Teufen AR · AR 1 building project
F. Zürcher AG AG · 9053 Teufen AR · AR 1 building project
ImmoInvest AG AG · 9053 Teufen AR · AR 1 building project
LainPlus GmbH GmbH · 9055 Bühler · AR 1 building project
Bergimpuls GmbH GmbH · 9064 Hundwil · AR 1 building project
Meier Emil GmbH GmbH · 9112 Schachen b. Herisau · AR 1 building project
Maja Gastro GmbH GmbH · 9410 Heiden · AR 1 building project
Haag Holzbau GmbH GmbH · 9064 Hundwil · AR 1 building project
Heller AG, Heiden AG · 9410 Heiden · AR 1 building project
Altherr Urnäsch AG AG · 9107 Urnäsch · AR 1 building project
Balmer Welten GmbH GmbH · 9105 Schönengrund · AR 1 building project
FORM2 HOLZBAU GMBH GmbH · 9044 Wald AR · AR 1 building project
BERRO Immobilien AG AG · 9055 Bühler · AR 1 building project
NCS Immobilien GmbH GmbH · 9062 Lustmühle · AR 1 building project
Nägeli Immobilien AG AG · 9104 Waldstatt · AR 1 building project
Appenzeller Bahnen AG AG · 9100 Herisau · AR 1 building project
Müller Holz und Bau AG AG · 9104 Waldstatt · AR 1 building project
Nachhaltiges Wohnen AG AG · 9053 Teufen AR · AR 1 building project
Niederer Immobilien AG AG · 9410 Heiden · AR 1 building project
Langenegger AG Lutzenberg AG · 9426 Lutzenberg · AR 1 building project
Samson Ulmann Plan & Holz Einzelunternehmen · 9044 Wald AR · AR 1 building project
Schefer Hoch- und Tiefbau AG AG · 9043 Trogen · AR 1 building project
Willi Jenni Autospenglerei AG AG · 9035 Grub AR · AR 1 building project
Ammann & Ehrbar Baumanagement AG AG · 9100 Herisau · AR 1 building project
Keller Hubacher Architekten GmbH GmbH · 9104 Waldstatt · AR 1 building project
werner zähner holzmanufaktur GmbH GmbH · 9038 Rehetobel · AR 1 building project
Mineral- und Heilbad Unterrechstein AG AG · 9035 Grub AR · AR 1 building project
Dr. René und Renia Schlesinger-Stiftung Stiftung · 9044 Wald AR · AR 1 building project
Naturfarbenmalerei Schulz & Rotach GmbH GmbH · 9410 Heiden · AR 1 building project
Ö AG AG · 9056 Gais · AR
cw ag AG · 9100 Herisau · AR
d6 ag AG · 9104 Waldstatt · AR
PT AG AG · 9056 Gais · AR
Qunaj Einzelunternehmen · 9037 Speicherschwendi · AR
Teske Einzelunternehmen · 9428 Walzenhausen · AR
BDO AG 9100 Herisau · AR

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With Business you see, for every firm, the building permit applications it filed as project author or developer, plus the directory of all architecture firms with their projects.

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Source: commercial register (Zefix, federal open data via LINDAS), updated weekly. Firms without a commercial-register entry are added from the federal UID register when you search.