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

About the company

The core activity of CoSB AG is focused on personnel development and recruiting as a service. Specifically, this includes: Leadership training and coaching for employees and companies, organizational development and team development, recruiting services, including digital in-house solutions and outsourced recruiting office, eLearning with AI, talent solutions and employee selection. The company supports businesses in developing their employees and finding new talent, with the goal of promoting entrepreneurial excellence.

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Offering

Products & services

Industry:Recruitment & HR Consulting
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CoSB AG

✓ Offered10
Recruitment as a Service
Recruiting outsourcing and recruiting on a temporary basis; Active Sourcing, Employer Branding, career sites with applicant management software, as well as digital in-house solutions for recruiting.
Leadership training
Tailor-made programmes for leaders at all levels; training sessions and workshops to strengthen leadership, collaboration and company culture.
Business coaching
Appreciative, solution-oriented one-to-one and team coaching for employees, executives and teams; support with current challenges and goal achievement.
Organisational development
Support for change and transformation processes in companies and teams; assistance with adjustments to structure, culture and processes.
CoSB Academy
Short, interactive online and in-person modules for further training, individually or combinable; location-independent learning and coaching for individuals and teams.
Onboarding programmes
Tailored support trainings and coaching in online modules and/or in-person coaching, integrated into company-specific induction programmes.
Short assessments
Half-day individual potential assessments with web-based evaluation and recommendations regarding job requirements.
Career counselling / outplacement
Guidance for self-assessment, strengths analysis and career design; support in developing new career opportunities.
AI eLearning
AI-supported eLearning for location-independent interactive learning and coaching, supplementing the Learning Office offering.
CoSB Business Club
Club lunch meetings organised four times a year with keynote talks and discussion among decision-makers.
Trust & reputation

ranQ Trust Score of CoSB AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

CoSB AG scores 79.6 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.81.624%
  • 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.58.610%
  • 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.100.08%
CoSB 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%
CoSB 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%
CoSB AG scores 77.1 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 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CoSB AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 9 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
5
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Industriepark 11
8610 Uster
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-115.014.833
Founded
2009 · 17 years
Last commercial register change
February 24, 2023
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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