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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryUsterBüchi AG
Büchi AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company develops and manufactures reactor systems, pilot plants and provides related services for the chemical and pharmaceutical industries, with the aim of promoting productivity and sustainability in these areas.

AI-generated
Offering

Products & services

Industry:Glass, Ceramics, Stone & Construction Materials IndustryMechanical Engineering Industry
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Büchi AG

✓ Offered5
Glass reactors & process systems
Glass reactors, nutsche filters, filter reactors, peptide synthesizers, HPAPI reactor and process systems as well as process plants, stirred vessels, gas scrubbers and measuring, control and automation components.
Pressure reactors / stirred autoclaves
Laboratory, pilot and high-pressure reactors, small pressure reactors, metal-free pressure reactors, hydrogenation systems, magnetic couplings, corrosion testing autoclaves, accessories and measuring, control and automation solutions.
Engineering
3D engineering, reactor engineering with CFD simulation and FEM simulation for the development and design of reactor systems and process plants.
After-sales
On-site installation and maintenance, technical support worldwide, FAT and SAT, qualification (IQ, OQ) as well as repairs and spare parts ordering.
Training
Customer trainings for users and plant operators on site as well as regular training at headquarters for technical staff and local branches or distributors.
Trust & reputation

ranQ Trust Score of Büchi AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Büchi AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Büchi 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%
Büchi AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Büchi AG scores 22.9 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 35.45.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Büchi AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, 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.

Press

Media

May 29, 2026Media
Büchi AG in Uster feiert 80-jähriges Bestehen
zo-online.ch

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Location

Gschwaderstrasse 12
8610 Uster

At a glance

Legal form
Corporation
UID
CHE-102.607.113
Founded
1964 · 62 years
Last commercial register change
February 10, 2026
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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