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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesCall CentersZurichTELAG AG
TELAG AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company provides contact center services, including inbound customer care, outbound telemarketing, technical helpdesks, whistleblowing, compliance, retail service and omnichannel customer service. The core activity is to enable customer contacts through various communication channels and offer high-quality services in these areas.

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Offering

Products & services

Industry:Call Centers
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4.2/5

TELAG AG

✓ Offered8
Customer Care
Customer care and customer communication across all channels, inbound customer service, first contact resolution, overflow and full outsourcing, including for complex topics and multilingual support.
Healthcare
Care for medical target groups, market development, patient support in 29 languages, appointment scheduling for field sales, service line and market research for pharmaceuticals, diagnostics, nutrition, dental, medical technology and rehab/care.
eCommerce
Customer service for online customers via email, phone and chat, support with orders, cross- and up-selling, complaint management, live chat and real-time support.
Billing Services
Accounts receivable management, invoicing, payment allocation, debt collection, reminders, debt enforcement proceedings, telephone directory assistance and invoicing services; also outsourcing of individual tasks or the entire process.
Technical Helpdesk
Technical customer support for web applications, hardware and software, including troubleshooting, information and help lines, 24/7 availability and support in four languages.
Telephone Service
Personal telephone service in the company name, receiving and forwarding calls, message delivery by email or SMS, on request 24/7.
Telephone Reception
Outsourcing of the in-house telephone switchboard, receiving and handling calls in the company name, call forwarding, message desk and transmission of notifications by email or SMS.
On-call Services
On-call duty for service organizations outside office hours, handling fault reports, coordinating deployments, monitoring service technicians as well as reports and statistics.
Trust & reputation

ranQ Trust Score of TELAG AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

TELAG AG scores 61.8 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.36.924%
  • 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.95.110%
  • 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%
TELAG AG scores 95.8 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.96.07%
TELAG 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%
TELAG AG scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TELAG AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 3.6 out of 5 stars from 41 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
3.6
of 5

Aggregated from 41 reviews across all connected sources

Sources
GGoogle3.641
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Hardturmstrasse 101
8005 Zurich
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-107.304.832
Founded
1959 · 67 years
Last commercial register change
June 26, 2026
Employees
101 to 500
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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