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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSite PreparationMarthalenD Keller GmbH
D Keller GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

D Keller GmbH provides excavation, crane and transport services. The company’s offerings include earthworks and digging, pipeline construction, watercourse engineering, landscaping, demolition and specialized work with custom machine adaptations, supported by a varied equipment fleet.

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Offering

Products & services

Industry:Site Preparation
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4.0/5

D Keller GmbH

✓ Offered10
Excavation work
Excavation work for road and civil engineering, earth moving, soil improvement, exposing pipes and installing service lines.
Foundation pit closures
Foundation pit closures with self-drilling anchors, sprayed concrete and driven waler beams, including lowering of groundwater using a well grabber.
Demolition and dismantling
Low-emission demolition and dismantling of residential, commercial, agricultural and industrial buildings, including site safety and disposal of materials.
Excavation, clearing, earthworks and yards
Excavation, clearing and earthworks for construction projects, foundation pit safety works, and creation of yards and forecourts.
Waterway construction
Waterway construction for flood protection and renaturalisation, including silt removal from streams and clearing of driftwood.
Excavation with a walking excavator
Excavation work with the Menzi Muck walking excavator for steep mountain slopes, overgrown embankments, deep water and difficult-to-access terrain.
Pipeline and utility construction
Pipeline and utility construction for energy supply, telecommunications, public transport, water supply and service lines, using line detection equipment, a metal detector and ground radar.
Garden construction
Garden construction for new landscaping and redesigns, including earth excavation, root removal, transport away of building materials and debris.
Special works
Special works for difficult sites and special tasks, if needed with self-designed machine components and adapted solutions.
Crane work
Crane work with crane trucks for lifting loads from different heights and distances, carried out by experienced crane operators.
Trust & reputation

ranQ Trust Score of D Keller GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

D Keller GmbH 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%
D Keller GmbH scores 68.7 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.58.012%
  • 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%
D Keller GmbH 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%
D Keller GmbH scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

D Keller GmbH 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.

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Location

Seebestrass 4
8460 Marthalen

At a glance

Legal form
Limited Liability Company
UID
CHE-454.559.032
Founded
2022 · 4 years
Last commercial register change
August 11, 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.
88.0
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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