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

About the company

SustainServ is a globally active management consulting firm specializing in the integration of sustainability aspects into companies' strategies, day-to-day operations, and reporting. The company's core activities include: * Development of sustainability strategies * Materiality analysis * Greenhouse gas accounting * Human rights assessments * Stakeholder engagement * GRI reporting * Implementation and monitoring of sustainability measures * Reporting and communication of sustainability performance The company supports its clients in integrating sustainability into their business practices and helps them achieve their long-term goals.

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Products & services

Industry:Management ConsultingSustainability Sector
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4.1/5

Sustainserv GmbH

✓ Offered3
Reporting + Communication
Sustainability reporting under ESRS, ISSB, GRI, SASB, CDP and TCFD/TNFD, as well as communication material for investors, customers, employees and other stakeholders.
Targets + Transitions
CO2 accounting, climate risk management, target setting and transition plans, nature and biodiversity, as well as social and environmental supplier engagement.
Focus + Strategy
Sustainability and ESG strategy, ESG ratings, materiality assessments, as well as governance, policies and framework conditions for integrating sustainability into strategy and management control.
Trust & reputation

ranQ Trust Score of Sustainserv GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Sustainserv 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.
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%
Sustainserv GmbH scores 89.7 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.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.82.07%
Sustainserv GmbH scores 86.7 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).86.722%
Sustainserv GmbH scores 61.7 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.23.34%
Qualifications+0.00

Sustainserv 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 58%, 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.

Press

Media

October 18, 2024Media
Nachhaltigkeit: ein integrierter Managementansatz
organisator.ch
October 18, 2024Media
Sostenibilità: un approccio di gestione integrata
organisator.ch

Knowledge

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Location

Auf der Mauer 2
8001 Zurich
Opening hours
Mon
09:00 - 18:00
Tue
09:00 - 18:00
Wed
09:00 - 18:00
Thu
09:00 - 18:00
Fri
09:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-109.351.908
Founded
2001 · 25 years
Last commercial register change
June 22, 2026
Employees
21 to 50
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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