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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryUnterbäch VsProJacks GmbH
ProJacks GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ProJacks GmbH offers 'deceleration oases' such as a block hut and the Moos‑Alphütte for booking and carries out prototyping activities through the Optihaus project. The website provides construction plans, a specific energy‑calculation method and information for timber‑house building projects.

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Offering

Products & services

Industry:Timber Construction & CarpentryAccommodation Facilities
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4.0/5

ProJacks GmbH

✓ Offered5
Lodges & Retreats
Private use of the ProJacks Lodge as a place to slow down for short breaks, recovery, creativity, writing, or home office; suitable for small retreats, workshops, and hosting partnerships.
Moos-Alp Hut
Private use of the Moos-Alp Hut for Slowdown Week, deep cleaning, and timeout; with hut wellness, barrel sauna, bath tub, fire spot, and space for up to ten people.
Tiny House
Accommodation in the Optihaus quarter in Bürchen to experience life in the quarter, the Optihaus construction method, and sustainable timber construction on site; includes a sauna and a viewing opportunity.
Quarter
Nature-oriented quarter in Bürchen with Optihaus homes in solid timber construction, building plots, shared agricultural land, and viewing days for people interested in their own Optihaus.
Co-Creation
Long-term partnerships with core, know-how, and product partners; joint prototyping projects, partner offers, and collaboration around the ProJacks oases.
Trust & reputation

ranQ Trust Score of ProJacks GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

ProJacks GmbH scores 62.2 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.68.224%
  • 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.17.610%
  • 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.100.08%
ProJacks GmbH scores 77.2 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.86.512%
  • 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.55.07%
ProJacks GmbH scores 85.0 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).85.022%
ProJacks GmbH scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ProJacks GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Geerostrasse 30
3944 Unterbäch Vs
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Limited Liability Company
UID
CHE-191.247.457
Founded
2016 · 10 years
Last commercial register change
March 1, 2023
Employees
1 to 10
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.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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