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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryIT & CommunicationAdvertising agencyUnteribergbrainstormers GmbH
brainstormers GmbH Logo
Verified· 4 sourcesOwner confirmed
Last updatedAugust 27, 2026

Contact

Summary

About the company

Die brainstormers GmbH, based in Unteriberg (SZ), is a family-owned advertising agency and card manufactory. The company specializes in individually designed printed matter for personal occasions: birth announcements and birth notices, wedding invitations, as well as invitation, thank-you and Christmas cards – complemented by appropriately printed envelopes, napkins and finishes such as die-cutting or rotoring cards. From the idea through design to the finished card, everything comes from a single source: Swiss production, personal advice and a lot of attention to detail.

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Presence

Service area

Market presence

Brands of the company

Pingo Windeln Logo

Pingo Windeln

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Trust Score4.2/5

brainstormers GmbH

Brand of the company

pingo-windeln.ch is a Swiss online shop for diapers, operated by brainstormers GmbH (from Unteriberg). Offerings include ecological Swiss diapers, pants, wet wipes and hygiene products - available as single packs, sets, monthly boxes or via subscription. The products are skin-friendly, sustainably produced and free from perfume and parabens. Large customers such as day-care centers or pharmacies as well as online shops are served.

pingo-windeln.chView profile
Offering

Products & services

Industry:Advertising agencyOnline shop
✓ Offered7
Birth Cards & Birth Announcements
Individually designed cards for birth – from the classic format to the punched spin card. If desired, fully tailored to the baby's name, color scheme, and photos.
Wedding Stationery
Invitation, menu, table and thank-you cards for the wedding as a continuous series in the same design—from the first announcement to the gratitude after the celebration.
Envelopes – printed & addressed
Envelopes designed to match the card, including addressing and personal stamps. The mailing thus already conveys a unit even before opening.
Promotional Items & Online Shop
Through shop.brainstormers.ch you can order slides, novelty items and promotional products (e.g. illuminated heart glasses “Switzerland”) directly from stock.
Mirrored Films & Mirror Panels
Unbreakable, flexible mirrors in various sizes and formats – for shopfitting, trade fairs, POS displays, brochures and interior construction.
Hologram Films & Hologram Labels
Hologram stickers and seals as copy and forgery protection as well as an optical refinement element for packaging and documents.
Textile & Transfer Foils
Hologram, gold and glow-in-the-dark foils for ironing on, cut to individual shapes – for T-shirts, team and event clothing.
Expertise

Expert

JK
Jan Kuster
Trust & reputation

ranQ Trust Score of brainstormers GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

brainstormers GmbH scores 65.9 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.75.024%
  • 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.40.910%
  • 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.70.08%
brainstormers GmbH scores 86.7 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.70.07%
brainstormers GmbH scores 90.0 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).90.022%
brainstormers GmbH scores 85.7 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 35.85.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

brainstormers GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 4 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Contact

Location

Paradiesli 42
8842 Unteriberg
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:30
Tue
08:00 - 12:00, 13:30 - 17:30
Wed
08:00 - 12:00, 13:30 - 17:30
Thu
08:00 - 12:00, 13:30 - 17:30
Fri
08:00 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-111.777.949
Founded
2004 · 22 years
Last commercial register change
March 29, 2010
Employees
11 to 20

Active throughout Switzerland

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