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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryOberterzenTerza Holz GmbH
Terza Holz GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Terza Holz GmbH encompasses the planning, manufacture and assembly of wood products and constructions, particularly: interior doors, house entrances and wooden shutters; stairs, residential and industrial stairs, children's stairs; furniture and solid wood furniture; railing renovations; facades, roofs and flooring made of wood and wood-based materials; carpentry, joinery and assembly work; planning and consulting for wood construction projects; and repair and maintenance services for wood constructions. The company also offers services combining wood with other materials such as stone, clay, concrete and steel.

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Offering

Products & services

Industry:Timber Construction & Carpentry
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4.0/5

Terza Holz GmbH

✓ Offered5
Carpentry and timber construction
Carpentry, joinery work, installation work, façades, roofs, doors and windows, wooden and wood-based flooring, as well as extensions, new builds and attic storey additions.
Planning, extensions and renovations
Planning and realization of conversions and extensions, renovations and projects in collaboration with tradespeople, architects and structural engineers.
Furniture, doors and stair construction
Manufacture of solid-wood furniture, interior doors, entrances, wooden shed doors, residential and industrial staircases, and children's stairs.
Railings refurbishment
Refurbishment of railings as part of carpentry and installation work, also in combination with other materials.
Terza-Horse horse bridge
Transportable suspension bridge that can be converted into a seesaw or a tilting platform with a few simple steps and adapted to space conditions.
Trust & reputation

ranQ Trust Score of Terza Holz GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

Terza Holz 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%
Terza Holz GmbH scores 70.2 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.70.212%
  • 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%
Terza Holz GmbH 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%
Terza Holz GmbH scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Terza Holz GmbH reaches a ranQ Trust Score of 4.0 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.

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Location

Hofstettenstrasse 9
8884 Oberterzen

At a glance

Legal form
Limited Liability Company
UID
CHE-304.351.718
Founded
2020 · 6 years
Last commercial register change
March 1, 2021
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.
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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