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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEvent agencyRegensdorfSUMMATION Jessica Summa
SUMMATION Jessica Summa Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Summation is event management and production, particularly in the following areas: * Conceptualization and implementation of customized events for small businesses and private individuals (team events, social events, weddings, birthday/anniversary parties, etc.) * Artist and stage management * Crowd and security management * Public events: permit procedures, recycling and sustainability * Hospitality and VIP services * Moderations/hostings (MC/Host) The company also offers services in the areas of PR and media relations, marketing and communication, and consulting.

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Industry:Event agency
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SUMMATION Jessica Summa

✓ Offered8
Event Management & Production
Event Management & Production for major events, company events, team events, social events and weddings; independent conception and execution of tailor-made events.
Moderation / MC / Host
Moderation / MC / Host for festivals, VIP events, podiums, show programs and weddings; appearances in German, English, Italian and Spanish.
PR & Media Relations
PR & Media Relations for events and projects, including communication work and media contacts.
Artist & Stage Management
Artist & Stage Management for event productions, performances and show programs.
Crowd & Security Management
Crowd & Security Management for public events, including deployment coordination with police, fire brigade and the event team.
Permit Procedures for Public Events
Permit procedures for public events as well as support for recycling and sustainability aspects.
Hospitality & VIP
Hospitality & VIP support at events, including VIP welcome, guest care and support for special occasions.
Marketing & Communication Consulting
Marketing & communication consulting for small businesses and private individuals within event projects and events.
Trust & reputation

ranQ Trust Score of SUMMATION Jessica Summa

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of November 2026

SUMMATION Jessica Summa 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%
SUMMATION Jessica Summa scores 78.5 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.55.07%
SUMMATION Jessica Summa 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%
SUMMATION Jessica Summa scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of November 2026.

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

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Location

Watterstrasse 41
8105 Regensdorf

At a glance

Legal form
Sole proprietorship
UID
CHE-112.691.055
Founded
2005 · 21 years
Last commercial register change
March 24, 2021
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHRegensdorf
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.
67.0
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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