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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Consulting & ServicesThalwilAbacus Business Solutions AG
Abacus Business Solutions AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Abacus Business Solutions AG is the marketing, implementation and support of software solutions for the construction industry, in particular the AbaBau software, which supports business processes of companies in the construction industry and building trade. This also includes consulting, training, customer service and account management to support customers in their digital transformation.

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Offering

Products & services

Industry:IT Consulting & ServicesSoftware Development
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3.9/5

Abacus Business Solutions AG

✓ Offered12
ERP solution for the construction industry (AbaBau)
Swiss ERP solution for the main construction trades and subcontractors, with estimating, execution, billing, post-calculation, mobile service and digital reports.
ERP consulting
Analysis of requirements, definition of project goals and development of a solution concept for the implementation of the Abacus ERP solution.
ERP implementation
Project planning, ongoing coordination and support through to the successful go-live of the Abacus ERP solution.
ERP support
Personal support for questions and challenges, hotfixes and updates, as well as targeted optimizations in ongoing operations.
Training & courses
Practice-oriented training for teams to use AbaBau optimally, tailored to the requirements of the construction industry.
Architecture industry solution
ERP for architecture offices with quotations, final billing, CRB certification and direct connection to tender portals.
Main construction industry solution
ERP for building construction, civil engineering, road construction and special construction, with estimating, scheduling and performance billing in the office or on the construction site.
Electrical & building automation industry solution
ERP for quotations, service and maintenance assignments, and invoicing—available on mobile for electrical and building automation businesses.
Horticulture industry solution
ERP for precise quotations and transparent project handling with plant data, flowering calendar and photo documentation.
Building envelope & metal construction industry solution
ERP for façades, roofing, window construction and sheet-metal work, with GH industry data, mobile reporting and CRB certification.
Building services (HVAC) industry solution
ERP for heating, ventilation, air conditioning and plumbing with mobile processes and cost control.
Timber construction industry solution
ERP for timber construction with data from Holzbau Schweiz, measurement, estimating and billing, optimized for the construction site and usable on mobile.
Trust & reputation

ranQ Trust Score of Abacus Business Solutions AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

Abacus Business Solutions AG scores 50.9 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.25.724%
  • 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.76.210%
  • 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.95.08%
Abacus Business Solutions AG scores 89.3 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.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%
Abacus Business Solutions AG scores 86.7 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).86.722%
Abacus Business Solutions AG scores 53.6 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 35.77.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Abacus Business Solutions AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.1 out of 5 stars from 19 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.1
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle3.119
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 5, 2024Media
Abacus Business Solutions ernennt neuen CEO
netzwoche.ch
June 4, 2024Media
Führungswechsel bei der Abacus Business Solutions AG
organisator.ch
June 4, 2024Media
Neuer Chef für Abacus Business Solutions
inside-it.ch

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Location

Zürcherstrasse 59
8800 Thalwil
Opening hours
Mon
07:30 - 12:00, 13:30 - 16:00
Tue
07:30 - 12:00, 13:30 - 16:00
Wed
07:30 - 12:00, 13:30 - 16:00
Thu
07:30 - 12:00, 13:30 - 16:00
Fri
07:30 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.379.382
Founded
1999 · 27 years
Last commercial register change
August 29, 2025
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.70.03%
    • Full methodology

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