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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryTourism & HospitalityCateringBirsfeldenNadja's Kitchen Cosmos, Nadja Hoffer
Nadja's Kitchen Cosmos, Nadja Hoffer Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Nadjas Kitchen Cosmos is the organization of cooking events, catering services and the rental of event locations, particularly for weddings, seminars and meetings. The company offers individual culinary solutions where guests can cook together, using natural ingredients and simple recipes.

AI-generated
Offering

Products & services

Industry:Catering
✓ Offered7
Cooking events
Cooking events: cook together, with an aperitif and small nibbles, freshly prepared dishes, accompanied by a service crew and a suitable location in the Basel area.
Catering
Catering & locations for parties and events, at your home or at a location of your choice, with planning, preparation, execution and support from A to Z.
Wedding catering
Wedding catering with a coordinated menu of your choice, Prosecco, welcoming service and support for wedding events based on over 15 years of experience.
Meeting and seminar location (Tower 8)
Meeting, seminar and event location in Tower 8 in Basel with various room setups for plenary and seminars, as well as use for cooking events.
Apéro to go
Small apéro boxes with three variants, tailored individually, bookable starting from 10 units, and available as a gourmet package with delivery in BL/BS.
Advent calendar
Advent calendar with 24 homemade treats in the classic, style and deluxe variants, assembled as a daily moment of indulgence.
Gift package
Individually assembled gift package with homemade treats, regional beers and wines, as well as homemade vinegar and oil.
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4.1/5

Nadja's Kitchen Cosmos, Nadja Hoffer

Trust & reputation

ranQ Trust Score of Nadja's Kitchen Cosmos, Nadja Hoffer: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Nadja's Kitchen Cosmos, Nadja Hoffer scores 77.0 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.89.424%
  • 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.80.810%
  • 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%
Nadja's Kitchen Cosmos, Nadja Hoffer scores 71.2 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.83.012%
  • 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.55.07%
Nadja's Kitchen Cosmos, Nadja Hoffer 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%
Nadja's Kitchen Cosmos, Nadja Hoffer scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Nadja's Kitchen Cosmos, Nadja Hoffer reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 23 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 23 reviews across all connected sources

Sources
GGoogle523
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Kirchstrasse 15
4127 Birsfelden
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Sole proprietorship
UID
CHE-242.258.864
Founded
2017 · 9 years
Last commercial register change
May 30, 2017
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.67.06%
  • 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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