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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingZurichTsuku GmbH
Tsuku GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Tsuku GmbH is a consultancy at the interface of ecology and behavioral economics that designs and tests interventions for sustainable behavioral change, supports organisational transformation and develops storytelling initiatives. Services include behavioural analyses, intervention design and project collaboration with partners from business, education and the public sector.

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Products & services

Industry:Management ConsultingSustainability Sector
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4.1/5

Tsuku GmbH

✓ Offered6
Sustainable behaviour change
With smart behavioural design to improve quality of life; analyse the causes of non-sustainable behaviour, develop and test interventions, nudges, incentives and behavioural economics.
Sustainable transformation
Using behavioural-economics analyses of institutions for a future-proof organisation; identify levers and barriers, develop cooperative change approaches for companies, education and public administration.
Storytelling
With new narratives for a good life in a healthy world; develop and spread stories for sustainable transformation and cooperative change.
Consulting for sustainable organisations
Advisory for companies, educational institutions and public administration on sustainable transformation, cooperation issues, incentive structures, vision, measurement and long-term implementation.
Behavioural economics analysis and intervention development
Analyse non-sustainable behaviour using insights and methods from behavioural economics; develop, test and adapt interventions for sustainable behaviour.
Project support for sustainable transformation
Support for concrete projects with companies, public authorities and institutions; collaboration, networking, funding and implementation of sustainable initiatives.
Trust & reputation

ranQ Trust Score of Tsuku GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Tsuku GmbH 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.
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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%
Tsuku GmbH scores 75.7 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.83.012%
  • 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.55.07%
Tsuku GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Tsuku GmbH scores 6.3 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.6.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Tsuku GmbH 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.

Knowledge

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Location

Ruhestrasse 4
8045 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-159.187.321
Founded
2017 · 9 years
Last commercial register change
July 23, 2025
Employees
1 to 10
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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