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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationSoftware DevelopmentGlattbruggBAU4X SA
BAU4X SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of BAU4x is the development and provision of innovative, cloud-based solutions for the construction industry, based on Swiss standards, which drive the digitization and modernization of construction processes.

AI-generated
Offering

Products & services

Industry:Software Development
✓ Offered11
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BAU4X SA

Construction administration software
Cloud-based construction administration software for cost planning, cost estimation, tendering, contract management and cost control according to eBKP, BKP and NPK.
Modular construction platform subscription
Modular cloud platform on a subscription basis, flexibly expandable with individual modules, without installation, servers, updates or backups.
Software for planners
IfA18-certified software for architecture, planning, consulting and engineering offices for managing bills of quantities, reserve items, offer comparisons, construction accounting and project documents.
Software for contractors and tradespeople
NPK-based software for construction companies and tradespeople to process requests for quotations, manage price lists, perform quantity checks, invoices, costing bases and project documents.
Project management
Project planning, control and completion of construction projects as well as administration of all information and documents related to projects.
Cost planning and cost estimation
Cost estimates and professional offers for construction projects according to BKP, including the transition to the construction tender.
Tendering with NPK
Creation, import, export and processing of NPK-based bills of quantities in the SIA451 and CRBx formats.
Quotation comparison
Comparison of quotations using self-defined award criteria, price bands and colour display down to the NPK position level.
Contract management
Contracts with uploadable Word templates that are automatically filled in BAU4x.
Construction cost control
Cost control for construction projects to monitor the budget and manage the review of construction accounting.
Quotation and invoice management
Creation of quotations, free-form quotations, invoices and advance payment invoices, as well as management of price lists, costing bases and product and service catalogues.
Trust & reputation

ranQ Trust Score of BAU4X SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

BAU4X SA 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%
BAU4X SA scores 70.4 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.64.612%
  • 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%
BAU4X SA 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%
BAU4X SA scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BAU4X SA 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.

Knowledge

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Location

Hier entsteht die Karte
Europa-Strasse 30
8152 Glattbrugg

At a glance

Legal form
Corporation
UID
CHE-238.124.002
Founded
2021 · 5 years
Last commercial register change
November 11, 2024
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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