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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Consulting & ServicesBözenMarkys - Reef, Koller
Markys - Reef, Koller Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Markys - Reef, Koller operates a coral farm and a webshop offering Swiss-bred corals, imported corals, and related aquarium supplies. Services include personalised consultation on coral husbandry, troubleshooting and system optimisation, and the farm collaborates with the Stocker Lab at ETH Zurich on research into coral-associated microorganisms.

AI-generated
Offering

Products & services

Industry:IT Consulting & Services
✓ Offered4
Coral sales
Sale of corals from Swiss propagation as well as imported corals; frags, larger colonies and, according to the website, also rare items in the shop.
Advice on coral husbandry
Personal advice on keeping corals, nutrients and water parameters, as well as the right environment for a reef aquarium.
Troubleshooting for reef systems
Analysis of running reef systems for faults and problems, as well as support with troubleshooting and suitable solutions.
System optimization for reef aquariums
Advice on new equipment, lights and protein skimmers, as well as optimizing the system for more colour and more enjoyment with the animals.
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4.1/5

Markys - Reef, Koller

Trust & reputation

ranQ Trust Score of Markys - Reef, Koller: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Markys - Reef, Koller scores 83.7 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.70.08%
Markys - Reef, Koller scores 63.3 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.64.612%
  • 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%
Markys - Reef, Koller 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%
Markys - Reef, Koller scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Markys - Reef, Koller 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.

Knowledge

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Location

Bühlrain 8
5076 Bözen
Opening hours
Mon
Closed
Tue
Closed
Wed
Closed
Thu
Closed
Fri
18:00 - 20:00
Sat
13:00 - 17:30
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-317.593.484
Founded
2021 · 5 years
Last commercial register change
January 13, 2022
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.
67.0
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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