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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBernDiggelmann + Partner AG
Diggelmann + Partner AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Diggelmann + Partner AG is the provision of engineering services in the field of construction, particularly in the specialist areas of building construction, civil engineering, special foundation engineering, road construction and bridge construction. The company offers planning, consulting and project management services for public and private clients and specializes in the realization of complex construction projects, such as bridges, tunnels, roads and buildings.

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Products & services

Industry:Technical Consulting & Engineering
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Diggelmann + Partner AG

Civil Engineering Firms
✓ Offered8
Special structures
Bridges, overpasses and underpasses, retaining structures, cut-and-cover tunnels and galleries for rail, road, cycling and pedestrian traffic in steel, steel composite, concrete, prestressed concrete, UHFB and masonry.
Railway infrastructure construction
Track construction with railway systems, rail technology, station and platform facilities, noise protection, and the construction of structures and protective measures over, under or beside rail lines in operation.
Road construction
Road alignment planning outside and within built-up areas, junctions and roundabouts, pavement construction, drainage, as well as construction of structures and traffic management during works with ongoing traffic.
Special deep construction
Geotechnics, excavation shoring and slope stabilisation, deep foundations, underground structures, dewatering, waterproofing, sheet piling, Rühl walls, pile and anchored walls, and microtunnelling.
Utility pipework construction
Design and implementation of gas, water, electrical, telecommunications and district heating lines, as well as sewer systems, including under traffic or using trenchless methods.
Building construction
Structural engineering and design for public buildings such as railway stations, hospitals, schools and administrative buildings, as well as private industrial, commercial, retail, hotel and residential buildings.
Expert reports
Expert opinions, condition and damage assessments, second opinions, work as a juror, review mandates and examination expertises for clients, insurers, courts, authorities and universities.
Consulting
Client support, engineering advice for procurements and tenders, independent cost estimates, technical consulting and supervision, and support for contractors.
Trust & reputation

ranQ Trust Score of Diggelmann + Partner AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Diggelmann + Partner 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.
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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%
Diggelmann + Partner AG scores 92.3 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.82.07%
Diggelmann + Partner 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%
Diggelmann + Partner AG scores 29.9 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 35.13.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.46.74%
Qualifications+0.00

Diggelmann + Partner 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 58%, 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.

Press

Media

March 26, 2021Media
Ein Paradies für Ferrophile: Zürich nimmt den Negrellisteg von der ersten Minute an in Beschlag
nzz.ch
March 25, 2021Media
Negrellisteg in Zürich wird am Freitag eröffnet
baublatt.ch
May 2, 2018Media
SBB und Stadt Zürich bauen Fussgängerbrücke über das HB-Gleisfeld
baublatt.ch
May 2, 2018Media
Diese Brücke überquert ab 2020 das Gleisfeld vor dem Hauptbahnhof Zürich
nzz.ch

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Location

Spitalackerstrasse 20A
3013 Bern

At a glance

Legal form
Corporation
UID
CHE-106.830.035
Founded
1996 · 30 years
Last commercial register change
May 1, 2026
Employees
21 to 50
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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