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

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringSt. GallenHASTAG St. Gallen Bau AG
HASTAG St. Gallen Bau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

HASTAG St. Gallen Bau AG provides civil engineering services, including general civil works, specialist foundation (specialist deep foundation) construction, ground-source heat installation and drilling, gravel extraction and supply, concrete products and pumping, and disposal services.

AI-generated
Offering

Products & services

Industry:Civil Engineering
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
4.4/5

HASTAG St. Gallen Bau AG

✓ Offered5
Civil engineering
Building pits, earthworks, trench and sewer construction, water engineering, road construction and demolition with construction coordination from a single source; incl. transport, land reclamation, utilities and waste-disposal concepts.
Special deep construction
Excavation support systems, foundations and specialised boreholes with anchors, micropiles, injection displacement piles, screw-press piles, filter wells, piezometers and exploratory drilling.
Ground heat
Boreholes for ground heat probes, probe manifolds and distribution shafts, long-term pressure tests, groundwater filter wells, technical consulting and calculations for ground heat probes.
Gravel
Kieswerk Stöcklen Arnegg for extraction, standard-compliant processing and delivery of aggregates, sand, chippings, garden gravel, recycled materials and unbound mixtures.
Waste disposal
Professional disposal of construction waste, clean excavated material, slightly contaminated excavated material, demolition spoil and inert substances at the Stöcklen Arnegg and Altegg Mettlen landfills.
Trust & reputation

ranQ Trust Score of HASTAG St. Gallen Bau AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

HASTAG St. Gallen Bau AG scores 79.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.77.924%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.74.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.88.08%
HASTAG St. Gallen Bau AG scores 95.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.82.07%
HASTAG St. Gallen Bau AG scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).86.722%
HASTAG St. Gallen Bau AG scores 50.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

HASTAG St. Gallen Bau AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 18 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 18 reviews across all connected sources

Sources
GGoogle4.718
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 21, 2019Media
Ein neuer Stern am Hastag-Himmel
tir-transnews.ch

Knowledge

No knowledge articles yet

Once HASTAG St. Gallen Bau AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

HASTAG St. Gallen Bau AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank HASTAG St. Gallen Bau AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of HASTAG St. Gallen Bau AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Waldmannstrasse 9a
9014 St. Gallen
Opening hours
Mon
08:00 - 11:30, 13:30 - 16:30
Tue
08:00 - 11:30, 13:30 - 16:30
Wed
08:00 - 11:30, 13:30 - 16:30
Thu
08:00 - 11:30, 13:30 - 16:30
Fri
08:00 - 11:30, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.592.500
Founded
1966 · 60 years
Last commercial register change
March 26, 2026
Employees
21 to 50
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.100.03%
    • Full methodology

    Similar companies

    JR
    JMS RISI AG Tief- und Spezialtiefbau
    Jona
    BB
    Bernet Bau AG
    Gommiswald
    RA
    Rotomag AG
    Sargans
    BH
    Bauunternehmung Hofstetter AG
    Benken Sg
    DZ
    De Zanet AG
    Kaltbrunn
    WB
    Willi Bau AG
    St. Gallen
    DS
    Dietsche Strassenbau AG
    Kriessern
    KB
    KIBAG Bauleistungen AG
    St. Gallen