ranQ
ranQ
ranQ
DirectoryIndustriesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The first Swiss company directory, built to boost AI visibility.

Product
  • Pricing
  • Directory
  • Industries
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,816 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesFlawilSeiz Haus- und Industrietechnik AG
Seiz Haus- und Industrietechnik AG Logo
Verified· 4 sources

Seiz Haus- und Industrietechnik AG

Summary

About the company

The core activity of Seiz AG includes the planning, installation and maintenance of heating systems, ventilation systems, pipelines, as well as the use of renewable energies. The company also offers a 24-hour emergency service and advises customers on the renovation of heating systems and the simplification of decision-making bases.

AI-generated
Reviews

Aggregated rating

Aggregated rating
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

January 20, 2025Media
Lippuner übernimmt Seiz
leaderdigital.ch

Knowledge

No knowledge articles yet

Once Seiz Haus- und Industrietechnik AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Seiz Haus- und Industrietechnik AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Seiz Haus- und Industrietechnik AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Seiz Haus- und Industrietechnik AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Wilerstrasse 71
9230 Flawil
Opening hours
Mon
07:15 - 12:00, 13:15 - 17:15
Tue
07:15 - 12:00, 13:15 - 17:15
Wed
07:15 - 12:00, 13:15 - 17:15
Thu
07:15 - 12:00, 13:15 - 17:15
Fri
07:15 - 12:00, 13:15 - 16:45
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.833.743
Founded
1997 · 29 years
Last commercial register change
December 2, 2024
Employees
21 to 50

Similar companies

TI
Th. Inauen AG
Waldkirch
EA
Eigenmann AG Bedachungen Spenglerei
Wittenbach
DA
DORF-Gebäudetechnik AG
Sennwald
DA
DORF-Lüftungstechnik AG
Sennwald
OA
Oberhänsli AG
Mosnang
WG
Wirth Gebäudetechnik AG
St. Gallen
ST
Systec Therm AG
St. Gallen
BL
Bernhard Lämmli AG
Thal