ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIndustryPharmaceutical IndustryRomanshornMax Zeller Söhne Aktiengesellschaft
Max Zeller Söhne Aktiengesellschaft Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Max Zeller Söhne Aktiengesellschaft develops and manufactures herbal medicinal products and over-the-counter phytotherapeutic remedies, including cough syrups, sleep aids and preparations for mood and nervousness. The company provides product information, a professionals' area and educational content on phytotherapy.

AI-generated
Offering

Products & services

Industry:Pharmaceutical Industry
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.5/5

Max Zeller Söhne Aktiengesellschaft

✓ Offered3
Herbal medicinal products
Herbal medicinal products for various applications, available in drugstores and pharmacies; complemented by OTC self-medication and medical products for professionals.
Dietary supplements (Zeller plus)
Dietary supplements of the Zeller plus range, available through pharmacies and specialist drugstores; currently featuring PhytoCacao® Cardio as a product from the range.
Knowledge of medicinal plants and phytotherapy content
Overviews of modern herbalism, a lexicon of medicinal plants, information on effects and areas of application, as well as the medicinal plant garden in Uttwil.
Trust & reputation

ranQ Trust Score of Max Zeller Söhne Aktiengesellschaft: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Max Zeller Söhne Aktiengesellschaft scores 81.0 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.83.024%
  • 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.70.510%
  • 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.88.08%
Max Zeller Söhne Aktiengesellschaft scores 92.3 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.82.07%
Max Zeller Söhne Aktiengesellschaft 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%
Max Zeller Söhne Aktiengesellschaft 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

Max Zeller Söhne Aktiengesellschaft reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.9 out of 5 stars from 15 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
4.9
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.915
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Max Zeller Söhne Aktiengesellschaft has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Max Zeller Söhne Aktiengesellschaft in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Max Zeller Söhne Aktiengesellschaft by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Max Zeller Söhne Aktiengesellschaft to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Seeblickstrasse 4
8590 Romanshorn
Opening hours
Mon
08:00 - 11:30, 14:00 - 16:30
Tue
08:30 - 11:30, 14:00 - 16:30
Wed
08:30 - 11:30, 14:00 - 16:30
Thu
08:30 - 11:30, 14:00 - 16:30
Fri
08:30 - 11:30, 14:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.661.259
Founded
1953 · 73 years
Last commercial register change
June 15, 2026
Employees
21 to 50
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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    AI
    Avosano Industrie Service AG
    Romanshorn
    AA
    Alpinamed AG
    Freidorf Tg
    NN
    NATUVISAN NutriHealth GmbH
    Kreuzlingen
    CH
    Ceres Heilmittel AG
    Kesswil
    JM
    JOGA Med AG
    Altnau
    LV
    Luma Vertriebs GmbH
    Horn
    PM
    Pharma Medica AG
    Roggwil Tg
    RA
    Regena AG
    Tägerwilen