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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceLiestalZimmerei & Bauunternehmen Flamm GmbH
Zimmerei & Bauunternehmen Flamm GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of FLAMM GmbH encompasses the planning and execution of construction projects, particularly in the field of timber construction, with a focus on: new buildings and conversions, renovation and refurbishment, roofing and skylight installation, architecture and planning. The company thus offers comprehensive services in the construction sector, from planning to execution, with a focus on timber construction and carpentry.

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Products & services

Industry:Building Maintenance
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Zimmerei & Bauunternehmen Flamm GmbH

Timber Construction & Carpentry
Roofing
✓ Offered6
Carpentry & Timber Construction
Roof structures, timber frame construction, modular timber construction, carports, canopies, pergolas, timber cladding, storeys and extensions, plus repair and renovation of timber structures.
Roofing
Pitched roofs, re-roofing, tile and beaver-tail roofs, metal roofs, glass and Plexiglas roofs, roof windows, dormers, plus repair, maintenance and storm or hail damage work.
Sheet Metal Roofing Work
Gutters, downpipes, roof-edge and wall copings, chimney and dormer cladding, metal façades, window sills, flashings, snow-retention systems, plus maintenance and repairs.
Joinery
Interior doors, fitted wardrobes, kitchens, custom furniture, wall and ceiling cladding, wooden stairs, railings, window sills, interior fit-outs, plus repairs and bespoke joinery.
General Building Contractor
Concrete works, foundations, plinths, garden and retaining walls, indoor and outdoor tiling, natural stone and porcelain stoneware surfaces, stair and landing finishes, plus external landscaping works.
Architecture & Building Planning
Consulting, concept design, building permit planning, drainage planning, execution planning, 3D visualisation, permit documentation, plus project and construction management.
Trust & reputation

ranQ Trust Score of Zimmerei & Bauunternehmen Flamm GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Zimmerei & Bauunternehmen Flamm 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%
Zimmerei & Bauunternehmen Flamm GmbH scores 78.5 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.89.612%
  • 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.55.07%
Zimmerei & Bauunternehmen Flamm GmbH 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%
Zimmerei & Bauunternehmen Flamm GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Rösern 66
4410 Liestal

At a glance

Legal form
Limited Liability Company
UID
CHE-239.086.864
Founded
2015 · 11 years
Last commercial register change
December 19, 2022
Employees
1 to 10
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.88.06%
  • 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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