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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryIT & CommunicationWeb Portals & Platform CompaniesJonaSebastus AG
Sebastus AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Trown Partners AG is to support entrepreneurs in evaluating and selling their companies, particularly through services such as company valuation, creation of company documentation and negotiation of purchase agreements.

AI-generated
Offering

Products & services

Industry:Web Portals & Platform Companies
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3.8/5

Sebastus AG

✓ Offered
9
Tailor-made sailing holiday
Tailor-made sailing holidays with personal planning, destinations to suit your wishes, selection of boat type, crew option, budget and travel route.
Cabin charter
Cabin charters for smaller groups, couples or solo travellers with shared or private cabin, often including crew, route, meals and additional costs in the package.
Family sailing holiday
Sailing holidays for families with suitable routes, child-friendly planning and different boat types such as sailboat, catamaran or gulet.
Romantic sailing holidays
Romantic sailing trips for couples with routes that can be planned individually, destinations and crew service.
Sailing with friends
Sailing holidays for groups of friends with suitable travel routes, destinations and optional crew or all-inclusive service.
All-inclusive yacht charter
All-inclusive yacht charters in Greece and Croatia with crew, route, meals, drinks, cleaning, fuel and additional services depending on the package.
Yacht search and booking advice
Yacht search with destination, time period and boat type selection, plus advice on the appropriate charter option and crew.
Luxury yacht charter
Fully crewed luxury yacht charters with motor yachts, sailing yachts, catamarans and gulets in international destinations.
Support and personal assistance during the trip
Personal agent support before and during the sailing trip, including assistance, route planning and contact by phone, WhatsApp or video call.
Trust & reputation

ranQ Trust Score of Sebastus AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Sebastus AG scores 49.8 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.35.08%
Sebastus AG scores 78.6 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.75.012%
  • 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%
Sebastus AG scores 83.3 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).83.322%
Sebastus 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sebastus AG reaches a ranQ Trust Score of 3.8 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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Comparisons

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Location

Rotenrainstrasse 5
8645 Jona
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
09:00 - 17:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-332.156.671
Founded
2019 · 7 years
Last commercial register change
August 18, 2020
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.70.03%
    • Full methodology

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