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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationSoftware DevelopmentFislisbachKlapp GmbH
Klapp GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Klapp GmbH provides a communication solution for the education sector that enables teachers, parents and students to manage messages, calendars and absences centrally. The service is available via a mobile app and web browser, routes communications through Swiss servers, and is used by schools as well as other organisations such as clubs and church communities.

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Products & services

Industry:Software Development
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4.1/5

Klapp GmbH

✓ Offered
5
School communication platform
Communication and absence management for schools and clubs, with sending of messages, documents and appointments; usable on its own or integrated into existing school administration systems.
Absence management
Record absences professionally, with integrated early-detection functionality and secure, traceable notifications to teachers and parents.
Support
Support by email, phone and chatbot, complemented by self-service articles and video tutorials for teachers, parents and administrators.
Tutorial videos
Step-by-step videos in three languages for teachers, parents and administrators, covering topics such as do not disturb and scheduling messages.
Webinars and training events
Webinars on digital solutions for everyday school life, with practical examples for teaching, planning, AI, learning platforms and digital tools.
Trust & reputation

ranQ Trust Score of Klapp GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

Klapp GmbH scores 70.8 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.56.824%
  • 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.98.510%
  • 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.78.08%
Klapp GmbH scores 77.8 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.79.212%
  • 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%
Klapp GmbH 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%
Klapp GmbH scores 55.0 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Klapp GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.1 out of 5 stars from 47 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.1
of 5

Aggregated from 47 reviews across all connected sources

Sources
GGoogle4.147
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

August 10, 2023Media
Berner Schulen setzen auf neue App zur Kommunikation mit Eltern
derbund.ch
August 17, 2019Media
Die App dieser Aargauer erobert Schweizer Schulen – und verdrängt Whatsapp
badenertagblatt.ch

Knowledge

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Location

Leemattenstrasse 5
5442 Fislisbach
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-273.849.127
Founded
2018 · 8 years
Last commercial register change
March 28, 2025
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.
88.0
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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