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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMetal IndustryJonaA. Merki AG
A. Merki AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of A. Merki AG is the manufacture of demanding components, particularly through mechanical surface treatment, manufacturing according to drawings, manufacturing with assembly and special products. The company works with state-of-the-art tools and machines, such as CNC machines, and offers services such as turning and milling.

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Products & services

Industry:Metal Industry
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3.9/5

A. Merki AG

4
Manufacturing to drawings
Manufacturing of mechanical parts according to customer drawings in various materials such as chromium-nickel alloys, titanium, aluminium, steel and brass; including consulting and complete parts production with partner companies.
Manufacturing with assembly
Manufacturing and assembly of orders, delivery to stock, delivery on call, as well as complete subassemblies with procurement of standard parts, assembly, packaging and shipping.
Mechanical surface treatment
Manufacturing mechanically machined surfaces and products for everyday use or design products using the capabilities of our own machine park.
Special products
Manufacturing special items for everyday use and design products with our own machine park, on request also as custom-made production.
Trust & reputation

ranQ Trust Score of A. Merki AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

A. Merki 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%
A. Merki AG scores 89.3 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.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%
A. Merki AG 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%
A. Merki AG 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

A. Merki AG reaches a ranQ Trust Score of 3.9 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

Buechstrasse 8
8645 Jona
Opening hours
Mon
06:45 - 12:00, 13:00 - 17:00
Tue
06:45 - 12:00, 13:00 - 17:00
Wed
06:45 - 12:00, 13:00 - 17:00
Thu
06:45 - 12:00, 13:00 - 17:00
Fri
06:45 - 12:00, 13:00 - 15:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.799.190
Founded
1972 · 54 years
Last commercial register change
January 24, 2022
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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