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 · Imprint742,806 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingRorschachStreule & Alder AG
Streule & Alder AG Logo
Verified· 4 sources

Streule & Alder AG

Summary

About the company

Streule & Alder AG provides building-envelope and roofing services, offering pitched and flat roofs, façade work, solar installations, sheet-metal (spenglerei) services, crane operations, sandblasting, energy consulting and maintenance.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered8
Pitched roof
Plan and execute pitched roofs with vapour barrier, thermal insulation, underlay and roof covering; also wooden shingles and renovations.
Flat roof
Execute and renovate flat roofs, gravelled, earth-covered, greened or accessible with slabs; including execution of various variants.
Solar
Plan and install solar systems, including provision of safe and clean energy from the building’s own roof, as well as proper disposal.
Sheet metal work
Sheet metal work on the building envelope, from connections and flashings to all jobs arising around the roof.
Crane work
Crane work for construction and roof projects, as a support service for installation, lifting and transport work.
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
Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.215
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 6, 2022Media
«Eine einmalige Erfahrung»: Vier Mitarbeiter der Streule + Alder AG in Rorschach reparierten ein Spitaldach in Senegal
tagblatt.ch
February 21, 2022Media
Streule + Alder-Crew ist im Senegal angekommen
rorschacherecho.ch
January 13, 2021Media
Alder AG übergibt Dachdeckerbetrieb an Streule + Alder AG
appenzellerzeitung.ch
November 19, 2019Media
Raiffeisenbank ehrt den Sieger des Publikumspreises
rorschacherecho.ch
May 25, 2018Media
Streule + Alder AG starten in das Festwochenende
rorschacherecho.ch

Knowledge

No knowledge articles yet

Once Streule & Alder AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Streule & Alder AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Streule & Alder AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Streule & Alder AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Blumenstrasse 24
9400 Rorschach
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.526.172
Founded
1993 · 33 years
Last commercial register change
July 17, 2023
Employees
11 to 20

Similar companies

SG
Sapisol-Bautenschutz GmbH
Steinach
MA
merz+egger ag
St. Gallen
MA
merz+egger ag
St. Gallen
BD
BS Dächer & Fassaden GmbH
St. Gallen