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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustryUnterägeriSumatronic AG
Sumatronic AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Sumatronic AG is the development, manufacture and marketing of products and solutions for the fields of broadcasting, broadcast, high-frequency technology, professional radio and audio/video multiroom technology. In particular, the company focuses on the areas of: broadcasting technology and studio technology, DAB+ broadcasting and related products such as DAB+ cable adapters and DAB repeaters, professional radio and tunnel break-in systems, repairs and rental of used and rental equipment, development and distribution of special products such as FMplus. The company also offers expert advice and consulting services in these areas.

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Offering

Products & services

Industry:Electrical Industry
✓ Offered
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Sumatronic AG

12
Transmission Technology
Planning, construction, measurements and equipment for radio networks and transmitters; includes radio planning, maintenance, and 24/7 service for transmission failures.
Studio Technology
Planning and construction of radio and production studios and studio vehicles, including reporting devices, telephone hybrids, audio codecs, microphones and accessories.
DAB+
DAB/DAB+ services and solutions, including reception, playout, laboratory testing, repeater systems, tunnel rebroadcasting and DAB+ antenna equipment.
Short-Term Radio Events
Consulting, planning and equipment for temporary radio broadcasts and event radio shows, including approvals, site clarification, studios, sound systems and licences.
Professional Radio Transceivers
Professional radio transceivers, pagers and repeaters for secure communication, including portable, mobile and operator stations, accessories and special versions.
Tunnel Break-In Systems
Tunnel rebroadcasting systems for road tunnels and other public areas, enabling emergency announcements in multiple languages without receiver retuning.
Specialist expertise and advice
Consultations, studies and expert reports for authorities, insurers, lawyers and broadcasters, covering DAB/DAB+, FM, indoor radio transmission, audio and studio technology.
Repairs
Repairs for broadcasting, transmission, studio and special equipment, including cost checks for devices of all brands and ages and clarification before repair.
Inhouse Developments (DAB+ & DOCSIS)
Patented in-house solutions and device adaptations for DAB+ and DOCSIS, used in shops, offices, warehouses and by end customers.
DAB-Repeater
Solution for DAB/DAB+ reception in car parks, shopping malls and offices where reception is weak or absent, especially behind concrete or metal facades.
DAB+ Cable Adapter
Adapter for receiving DAB+ cable radio via cable connection and converting the signal for standard DAB+ devices.
FMplus / DOCSIS
System for cable operators that enables fast internet while maintaining FM radio reception via cable connection.
Trust & reputation

ranQ Trust Score of Sumatronic AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Sumatronic 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%
Sumatronic 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%
Sumatronic AG scores 83.3 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).83.322%
Sumatronic 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

Sumatronic 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 54%, 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.

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Location

Hier entsteht die Karte
Rainstrasse 35
6314 Unterägeri

At a glance

Legal form
Corporation
UID
CHE-101.425.667
Founded
1987 · 39 years
Last commercial register change
March 5, 2009
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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