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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryRetail & CommerceSoftware TradeZurichDelta Engineering GmbH
Delta Engineering GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Delta Engineering GmbH develops and distributes the DELTAproject and DELTAbauad software for office management and construction administration. The products provide address and document management, plan handling, time tracking, project planning, cost estimation (eBKP/BKP/NPK), billing and construction accounting, with editions available for macOS and Windows.

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Offering

Products & services

Industry:Software Trade
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Delta Engineering GmbH

✓ Offered
12
Office software for architects and planners
Project and organisation software for architecture, construction management and planning offices; address management, correspondence, meetings, project tasks, plan management and time tracking.
Construction administration
Construction administration software for architects, engineers and site managers; cost estimation according to eBKP, cost estimate according to BKP, bill of quantities with NPK and construction accounting.
Construction project management
Central management of project data and documents; tasks, plans, minutes, correspondence, submittals, specialist planners and contractors on a shared data basis.
Project documents and correspondence
Document creation from templates using text modules, images and free text; filing as PDF, printing and reuse for letters, mail-merge letters and project documents.
Time tracking
Time recording for projects and employees; ongoing recording of effort, evaluation of reported hours and control of working times and vacation.
Project planning and analysis
Plan the project budget, assemble the team, optimize internal office costs, and continuously compare project costs and the profit forecast with the plan.
Fee agreements and invoices
Calculate fees, manage contracts across projects, track incoming payments and payment schedules, and plan and issue invoices from the contracts.
Operational key figures according to SIA
Key figures for company productivity based on booked hours; working time statistics and analysis of hours over several years.
Cost estimation according to eBKP
Cost estimates based on the element method; the eBKP gateway for accurate cost calculations up to the cost estimate according to BKP.
Cost estimate according to BKP
Calculate costs by trade categories, create the building description and determine the rate for the construction sum eligible for fees.
Bill of quantities with NPK
Create NPK schedules of services, structure tender documents and prepare legally secure bills of quantities for architecture and construction projects.
Construction accounting
Keep track of cost status across construction projects; book variations and payments, maintain construction costs transparently and prepare final accounts.
Trust & reputation

ranQ Trust Score of Delta Engineering GmbH: 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 Engineering 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%
Delta Engineering GmbH scores 83.0 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.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%
Delta Engineering GmbH scores 83.3 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).83.322%
Delta Engineering GmbH scores 94.3 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 35.94.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Delta Engineering 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 October 2026.

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

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Location

Hagenholzstrasse 85A
8050 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-114.953.289
Founded
2009 · 17 years
Last commercial register change
January 6, 2022
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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