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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsSierreBureau d'ingénieurs Crettaz et Partenaires SA
Bureau d'ingénieurs Crettaz et Partenaires SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Crettaz Partenaires SA is an engineering firm specializing in the planning, design, and implementation of projects in the fields of construction and infrastructure. The company's core activities include: Road and sports infrastructure construction, Water engineering, Expert appraisals, Seismic engineering, Civil engineering structures, Cable cars and lift systems, Steel and timber structures, Concrete structures, and Renovations and refurbishments. The company offers a comprehensive range of services, from planning to project implementation, and has strong expertise in various areas of construction.

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Products & services

Industry:Civil Engineering Firms
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Bureau d'ingénieurs Crettaz et Partenaires SA

✓ Offered9
Reinforced and prestressed concrete structures
Reinforced and prestressed concrete structures for buildings, apartment blocks, villas, shopping centres and facilities; design and execution of construction projects.
Steel and timber structures
Steel and timber structures for buildings, halls, reception structures and alterations; studies and execution of construction projects.
Road and sports facilities, underground services
Road and sports facilities, underground services, road repairs, parking lots, crossings and sports centres; planning and execution of projects.
Cable cars and chairlifts
Studies and projects for cable cars and chairlifts, in particular Pralan–Grillesses–Le Bâté, Zinal–Sorebois, Bendolla–Col du Pouce and Tracui.
Bridges and civil works
Bridges and civil structures for road infrastructure, with studies, rehabilitation and construction of works such as bridges and cantonal roads.
Watercourses
Watercourses, safety measures and treatment of damage caused by bad weather, with interventions on rivers and hydraulic works.
Conversions and rehabilitation
Conversions and rehabilitations of existing buildings, with adaptations, renovations and interventions on structures such as hotels, schools and raccards.
Technical assessments
Technical assessments, in particular documentation of cracks and a future evidence report for buildings and structures.
Seismic engineering
Seismic engineering for the assessment and consideration of the seismic behaviour of structures, with a dedicated seismic form.
Trust & reputation

ranQ Trust Score of Bureau d'ingénieurs Crettaz et Partenaires SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Bureau d'ingénieurs Crettaz et Partenaires SA scores 63.0 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.69.624%
  • 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.35.310%
  • 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.78.08%
Bureau d'ingénieurs Crettaz et Partenaires SA scores 79.2 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.70.212%
  • 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%
Bureau d'ingénieurs Crettaz et Partenaires SA scores 85.0 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).85.022%
Bureau d'ingénieurs Crettaz et Partenaires SA scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bureau d'ingénieurs Crettaz et Partenaires SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 3 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.73
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Avenue du Rothorn 11
3960 Sierre
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-466.800.140
Founded
2020 · 6 years
Last commercial register change
May 28, 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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.95.03%
    • Full methodology

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