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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsWinkelPDF Projekt AG
PDF Projekt AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of PDF Projekt AG encompasses the execution of construction projects, including: project development and realization, renovations and refurbishments, gardening services, customer-specific masonry work, concrete drilling and cutting, sales of new or existing properties, and project developments including general contracting or total contracting. The company thus offers a wide range of services in the construction and real estate sectors.

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Offering

Products & services

Industry:General Contractors
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PDF Projekt AG

Real Estate Brokerage
✓ Offered9
Project development
Project development for new-builds in collaboration with investors, general contractors and architects; from land acquisition through planning to execution and completion.
Alterations / Renovations
Alterations, extensions and renovations for residential and commercial properties; including interior fit-out, bathroom renovations, façade refurbishments and further conversion measures.
Custom masonry work
Masonry orders for interior and exterior areas, including masonry work, wall openings, lightweight partition walls, foundations and other customer-specific construction work.
Concrete drilling and milling
Core drilling, drilling and milling work as well as concrete cutting; including work up to large diameters and supplementary demolition and reconstruction works.
Plastering work
Plastering work for interior and exterior areas, such as plaster rendering, repairs, façade refurbishments and work related to alterations.
Tiling works
Laying tiles in interior and exterior areas, for example tile floors, terrace tiles, tiles laid on gravel or concrete, and other flooring finishes.
Property sales
Sale of new-builds, existing properties, apartments, houses and building land; includes assistance with buying and selling in the real-estate sector.
Total contractor
Total contracting for property and new-build projects; coordination of planning, execution and completion in collaboration with investors and architects.
General contractor
General contracting for new-build and project development projects; taking over coordination from project planning through to implementation.
Trust & reputation

ranQ Trust Score of PDF Projekt AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

PDF Projekt AG scores 87.2 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.87.324%
  • 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.86.510%
  • 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.88.08%
PDF Projekt AG scores 78.3 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.83.012%
  • 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%
PDF Projekt AG 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%
PDF Projekt AG scores 6.3 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 35.6.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PDF Projekt AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 29 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 29 reviews across all connected sources

Sources
GGoogle4.929
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schwärzen 33
8185 Winkel
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-395.068.682
Founded
2017 · 9 years
Last commercial register change
February 12, 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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