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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil engineerFribourgDMA Ingénieurs SA
DMA Ingénieurs SA Logo
Verified· 4 sourcesTrust Score
Summary

About the company

DMA Ingénieurs SA is an engineering firm specializing in the planning and implementation of infrastructure projects. The core activities include: construction and renovation of buildings (schools, residential buildings, office buildings, hospitals, etc.); planning and implementation of transportation infrastructure (train stations, roads, bridges, etc.); civil engineering (construction of tunnels, canals, etc.); water management (water and wastewater supply, etc.); environmental technology (wastewater treatment, etc.); and structural analysis and earthquake safety. The company also provides services in the areas of project development, construction management and supervision.

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Offering

Products & services

Industry:Civil engineer
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3.9/5

DMA Ingénieurs SA

✓ Offered
6
Civil engineering
Roads, external works and squares, drainage of water, water and gas supply; studies and projects for infrastructure for municipalities, roads and networks.
Structures of special engineering
Bridges, viaducts, overpasses and retaining walls; design and project supervision for specialised civil engineering structures.
Building
Residential buildings, schools, homes and hospitals, offices, shops, administrative buildings, industry, refurbishment and vertical extensions.
Seismic engineering
Studies and design of structures subject to seismic requirements; adaptation and strengthening of buildings and structures.
Structural expertise
Analysis of cracks, deformations and damage; assessment of load-bearing capacity, adaptation of existing structures and definition of the reinforcements required.
Wastewater treatment
Pumping stations and wastewater treatment plants; projects for treatment of wastewater and micropollutants.
Trust & reputation

ranQ Trust Score of DMA Ingénieurs SA: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of November 2026

DMA Ingénieurs SA scores 53.8 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.70.824%
  • 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.27.910%
  • 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.35.08%
DMA Ingénieurs SA 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%
DMA Ingénieurs SA scores 88.3 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).88.322%
DMA Ingénieurs SA scores 8.2 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 35.6.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

DMA Ingénieurs SA reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

January 27, 2020Media
Le témoin à deux anciens apprentis
laliberte.ch

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Location

Boulevard de Pérolles 55
1700 Fribourg
Opening hours
Mon
08:00 - 12:00, 14:00 - 17:00
Tue
08:00 - 12:00, 14:00 - 17:00
Wed
08:00 - 12:00, 14:00 - 17:00
Thu
08:00 - 12:00, 14:00 - 17:00
Fri
08:00 - 12:00, 14:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.050.238
Founded
1989 · 37 years
Last commercial register change
May 23, 2022
Employees
11 to 20

Active in 1 of 26 cantons

  • FRFribourg
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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