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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryIndustryChemicals manufacturerGamsenValsynthese SA
Valsynthese SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Valsynthese SA consists in the development and manufacture of chemical derivatives, in particular nitrite, nitro, carboxylic acid, anhydride and amino acid derivatives, as well as other specialized chemical products. The company offers custom manufacturing services, where it supports customers in the development and production of specific chemical products.

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Products & services

Industry:Chemicals manufacturerPharmaceutical company
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Valsynthese SA

✓ Offered3
Custom Manufacturing
Custom manufacturing for chemical and pharmaceutical industries, from gram to ton-scale: sourcing, samples, chemical development, analytical development and support, pilot production, commercial production and registration.
Custom Synthesis
Custom synthesis for the chemical and pharmaceutical industries, with expertise in high-risk chemical reactions, energetic processes and safe handling of hazardous reagents and substances.
Catalogue Products
Catalogue products in nitrite, nitro, carboxylic acid, anhydride, aminoacide, imide, chloroformate and isocyanate derivatives, plus other chemical categories.
Trust & reputation

ranQ Trust Score of Valsynthese SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

Valsynthese SA scores 70.7 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.75.024%
  • 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.40.910%
  • 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%
Valsynthese SA scores 95.8 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.96.07%
Valsynthese SA 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%
Valsynthese SA scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Valsynthese SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 4 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Fabrikstrasse 48
3900 Gamsen

At a glance

Legal form
Corporation
UID
CHE-103.334.662
Founded
1983 · 43 years
Last commercial register change
September 3, 2026
Employees
101 to 500
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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