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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryRetail & CommerceWholesale - Furniture & Office SuppliesWinterthurBüro Sona AG
Büro Sona AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Büro Sona is the trade, planning, sampling, assembly, training and relocation of office furniture and equipment, with a focus on designing workspaces that meet the needs of employees, particularly in the areas of acoustics, seating, communication, well-being, shading, room partitioning, cloakrooms and workplace fitness.

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Products & services

Industry:Wholesale - Furniture & Office Supplies
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4.0/5

Büro Sona AG

✓ Offered
10
Trade in Office Furniture and Office Equipment
Trade in office furniture and office equipment, supported by a broad product portfolio, a showroom in Winterthur, and solutions for individual requirements.
Office Planning / Space Concepts
Tailored office planning and space concepts considering ergonomic, economic, and functional aspects; complete office outfitting, colour design, lighting, and move organisation.
Sample Approvals and Presentations
Sample approvals and presentations with an exhibition in Winterthur, sample and test furniture on site, 3D simulations, as well as colour and material samples.
Delivery, Installation and Service
Delivery, installation, and after-sales service for office fittings, including precise placement, repairs, adjustments, and replacement furniture when required.
Training
Personal training on the correct operation of the furniture, ergonomic adjustment of workstations, and advice on care, use, and ergonomics.
Office Moving Management
Planning and coordination of office moving projects with project structure, scheduling, infrastructure analysis, partner coordination, labelling concept, and employee training.
Lighting Solutions for Workplaces
Lighting concepts and luminaires for workplaces, tailored to the spatial design, well-being, and functional design.
Acoustic Solutions
Acoustic elements for open-plan offices, room separation, and workstation shielding to improve the sound climate in the office.
Ergonomic Seating Solutions
Office chairs and seating solutions for dynamic, healthy sitting, with ergonomic support for different requirements and body proportions.
Room Separation and Workstation Shielding
Flexible elements for separating rooms and shielding workstations for adaptable office layouts and a pleasant office atmosphere.
Trust & reputation

ranQ Trust Score of Büro Sona AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Büro Sona AG scores 57.6 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.67.124%
  • 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.52.910%
  • 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.35.08%
Büro Sona 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%
Büro Sona 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%
Büro Sona AG scores 45.7 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: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Büro Sona AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 7 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
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Talwiesenstrasse 1
8404 Winterthur

At a glance

Legal form
Corporation
UID
CHE-100.125.932
Founded
1985 · 41 years
Last commercial register change
November 3, 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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