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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryIndustryPrinting companySt. GallenLong Island GmbH
Long Island GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Long Island GmbH operates the techstudio.ch online shop, selling products in audio, consumer electronics, computing, household goods, and home and garden. Its range includes items such as headphones, speakers, projectors, printers, and household appliances.

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Presence

Service area

Offering

Products & services

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4.1/5

Long Island GmbH

✓ Offered5
Online shop for electronics and home
Online shop for headphones, speakers, projectors, televisions, computers, printers, smartwatches, smartphones as well as home and garden articles.
Headphones
Headphones, Bluetooth headsets, TV listening systems, wireless headphones and further accessories for audio and phone applications.
Projectors and projection accessories
Projectors, mini projectors, projection screens and accessories for home cinema, mobile use and presentations.
Speakers and audio products
Speakers, karaoke systems, portable audio and DVD devices, as well as speaker stands and brackets.
Home appliances and cleaning accessories
Cordless handheld vacuum cleaners, window cleaners, vacuum cleaners, sewing machines and other devices for cleaning and home.
Trust & reputation

ranQ Trust Score of Long Island GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Long Island 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%
Long Island GmbH scores 82.0 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.97.712%
  • 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%
Long Island GmbH 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%
Long Island GmbH 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

Long Island 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 November 2026.

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

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Location

Fürstenlandstrasse 35
9000 St. Gallen

At a glance

Legal form
Limited Liability Company
UID
CHE-165.076.150
Founded
2012 · 14 years
Last commercial register change
August 23, 2021
Employees
1 to 10

Active in 1 of 26 cantons

  • SGSt. Gallen
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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