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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryIndustryTextile & Clothing IndustryZurichSieg & Partner AG
Sieg & Partner AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of SIEPaG is the planning, consulting and installation of shading and sun protection solutions for private households, office spaces and public institutions, particularly the manufacture and installation of interior shading systems such as pleated blinds, roller blinds, raff blinds, vertical blinds, Venetian blinds, panel curtains and insect protection systems.

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Offering

Products & services

Industry:Textile & Clothing Industry
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Sieg & Partner AG

✓ Offered9
Sun shading
Sun shading to measure for private households, offices and public buildings; visibility and solar protection for windows, glass doors, conservatories and room dividers.
Plissé blinds
Plissé blinds to measure for privacy and sun protection, soft light transmission, special shapes, roof windows and various window types; manually or electrically operated.
Roller blinds
Roller blinds to measure as glare protection, privacy screening or blackout; for living spaces, wet areas and commercial premises, manually or electrically operated.
Roman blinds
Roman blinds to measure with glare and privacy protection as well as blackout; for living areas, special shapes and roof windows, with removable or washable fabrics.
Vertical blinds
Vertical blinds to measure for controlling light and visibility, large window areas, glass fronts, skylights and room dividers; manually or electrically operated.
Horizontal blinds
Horizontal blinds to measure made of aluminium or wood for flexible sun protection, privacy and glare-free working; also suitable for wet areas and special shapes.
Panel curtains
Panel curtains to measure for visibility and sun protection on large window areas, glass fronts and room dividers; manually or electrically operated.
Insect screens
Insect screens to measure for windows, doors and light wells; tension frames, swing and pivot frames, sliding systems, plissé doors and insect screen roller blinds.
Sustainable fabrics for roller blinds and panel curtains
Sustainable fabrics made from ocean plastic for roller blinds and panel curtains; semi-transparent, hard to ignite, halogen- and PVC-free and certified.
Trust & reputation

ranQ Trust Score of Sieg & Partner AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Sieg & Partner AG 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%
Sieg & Partner AG scores 85.5 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%
Sieg & Partner AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Sieg & Partner AG scores 8.3 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 35.8.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sieg & Partner AG 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 October 2026.

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

Knowledge

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Location

Witikonerstrasse 252
8053 Zurich

At a glance

Legal form
Corporation
UID
CHE-107.631.610
Founded
1994 · 32 years
Last commercial register change
June 19, 2026
Employees
1 to 10
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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