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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesStaad SgBiosynth Holding AG
Biosynth Holding AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Biosynth Holding AG supplies critical raw materials and services for diagnostics, vaccines and pharmaceuticals. The company offers research products, complex chemicals, peptides and biologics, together with development, manufacturing and analytical services.

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Products & services

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Biosynth Holding AG

Industry:Holding Companies
✓ Offered4
Research Products
Research products for pharma, life sciences, diagnostics, food, agrochemistry and cosmetics, including chemicals, peptides, antibodies, enzymes, nucleosides and synthetic enzyme substrates.
Chemical Contract Development and Manufacturing
Chemical contract development and manufacturing, including route design, custom synthesis, GMP manufacturing, large-scale production, biocatalysis, quality assurance and analytical services.
Peptide Services
Peptide services from discovery to GMP production, including custom peptide synthesis, libraries, neoantigens, lead optimization, modifications and bioconjugation.
Biological Raw Materials and Diagnostic Reagents
Biological raw materials and diagnostic reagents for IVD, including antigens, antibodies, plasma, biospecimens, antisera, enzymes, epitope mapping and bioconjugates.
Trust & reputation

ranQ Trust Score of Biosynth Holding AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Biosynth Holding AG scores 58.5 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.53.624%
  • 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%
Biosynth Holding AG scores 85.5 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.55.07%
Biosynth Holding 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%
Biosynth Holding AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Biosynth Holding AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.5 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 October 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle3.54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Rietlistrasse 4
9422 Staad Sg
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.768.414
Founded
1985 · 41 years
Last commercial register change
June 24, 2026
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.
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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