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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesSecurity ServicesZurichDelta Türsysteme AG
Delta Türsysteme AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Delta Türsysteme SA is the development, planning and realization of complex and sophisticated solutions for doors and walls that combine security, functionality and aesthetics at the highest level. This also includes the restoration and modernization of historic doors as well as the manufacture of specialized doors and walls for various industries such as industry, commerce, education, healthcare and architecture.

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Products & services

Industry:Security Services
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Delta Türsysteme AG

✓ Offered10
Modular doors and partitions
Doors made of wood, glass or metal, glazed partitions, sliding doors, frameless doors and accessories, with requirements for fire protection, acoustics, security, radioprotection, hygiene and humidity.
Product development for client-specific solutions
Design and implementation of custom architectural solutions, with 3D engineering, visualisations, prototypes, CNC production and interior fittings manufactured in Zurich.
Upgrade of historical heritage® doors
Restoration and upgrading of historical doors according to current requirements for fire protection, acoustics, security and thermal insulation, while preserving the existing heritage.
Maintenance service
Revision, inspection and scheduled maintenance of doors and operators, with maintenance contracts per site and maintenance also for products from other manufacturers.
Fire protection
Fire doors, partitions and fire-rated glazing for compartmentation, protection against fire and smoke, safe evacuation routes and EI30, EI60, EI90, EI120 classes.
Acoustic protection and sound-insulating doors
Soundproof partitions, glazing and doors for offices, concert halls, recording studios and homes, with solutions tailored to high acoustic requirements.
Security and security doors
Anti-burglary doors, armoured doors, bullet-resistant glazing and access control solutions, with resistance classes RC2, RC3, RC4 and protection against gunfire.
Radioprotection and anti-radiation doors
Doors and wall elements for protection against radiation, for environments requiring specialised radioprotection.
Doors for wet and damp rooms
Doors and solutions for wet environments, suitable for facilities exposed to humidity and specific operating conditions.
Protection of historical monuments
Door and partition solutions for the conservation of historical monuments and listed sites, with restoration, reproduction and discreet compliance to standards.
Trust & reputation

ranQ Trust Score of Delta Türsysteme 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.

Delta Türsysteme 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%
Delta Türsysteme AG scores 90.9 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%
Delta Türsysteme 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%
Delta Türsysteme AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Delta Türsysteme 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.

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Secure profile

Location

Naglerwiesenstrasse 2
8049 Zurich

At a glance

Legal form
Corporation
UID
CHE-101.473.790
Founded
2000 · 26 years
Last commercial register change
October 17, 2024
Employees
11 to 20
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.85.03%
    • Full methodology

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