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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryShipbuildingRomanshornPro Nautik AG
Pro Nautik AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Pro Nautik AG provides boat sales as well as shipyard and maintenance services for watercraft. Services include new and used boats (including electric boats), berths and accessories, and shipyard work such as maintenance, engine service, electronics, refits/alterations, winter storage and professional cleaning.

AI-generated
Offering

Products & services

Industry:Shipbuilding
✓ Offered3
Shipyard services
Maintenance, engine service, electronics, new builds, extensions and conversions, monitoring, Quagga mussel cleaning, summer services, winter storage, Park & Ride, workshop work and projects for boats.
Boat market
Boatfinder for new boats, storage-berth boats and used boat offers, electric boats, boat subscription, berths and accessories for boats around Lake Constance.
Boating school
Boating training for motorboats and sailing yachts, preparation for the boating licence, driving lessons, refresher trips, manoeuvre training, events and rentals.
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4.5/5

Pro Nautik AG

Trust & reputation

ranQ Trust Score of Pro Nautik AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Pro Nautik AG scores 89.1 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.82.624%
  • 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.100.010%
  • 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.95.08%
Pro Nautik AG scores 90.9 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.70.07%
Pro Nautik 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%
Pro Nautik AG scores 60.0 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.20.04%
Qualifications+0.00

Pro Nautik AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 74 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 74 reviews across all connected sources

Sources
GGoogle4.774
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

October 31, 2025Media
Romanshorner Werft kämpft für die Einführung einer neuen Lehre
tagblatt.ch

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Comparisons

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Location

Friedrichshafnerstrasse 50
8590 Romanshorn
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:30
Tue
07:30 - 12:00, 13:15 - 17:30
Wed
07:30 - 12:00, 13:15 - 17:30
Thu
07:30 - 12:00, 13:15 - 17:30
Fri
07:30 - 12:00, 13:15 - 17:30
Sat
09:00 - 12:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.703.601
Founded
1989 · 37 years
Last commercial register change
June 10, 2026
Employees
11 to 20
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.85.03%
    • Full methodology

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