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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenancePlan-Les-OuatesSEMA-TECH SA
SEMA-TECH SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Sema-Tech SA is a Swiss company specializing in the planning, execution, and renovation of interior spaces. The company's core activities include: the installation of partitions (walls and room dividers), the installation of ceilings (ceilings and roof structures), the installation of floors and flooring, room insulation, painting, planning and execution of fit-outs (furniture and renovations), and the renovation of office spaces and apartments. The company thus offers a comprehensive range of services for the design and renovation of interior spaces.

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Products & services

Industry:Building MaintenanceInterior Construction
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4.1/5

SEMA-TECH SA

Flooring & Tiling
Painting & Plastering
✓ Offered6
Partition walls
Glazed, removable partition walls made of aluminium and metal, fire-resistant partitions, soundproof partitions and mobile partitions for the fit-out of offices and workspaces.
Suspended ceilings
Metal suspended ceilings, acoustic ceilings and ceilings in wool, mineral fibre or wood to improve acoustic comfort and to integrate technical installations.
Technical floors
Demountable and modular raised technical floors, floor coverings in carpet tiles, PVC or parquet for new builds and renovation.
Insulation
Acoustic and soundproof, thermal and fire-retardant insulation for the interior fit-out and renovation of offices.
Painting
Refurbishment of offices and apartments, freshening up and touch-ups, with a wide choice of colours.
Office fit-out
Fit-out of kitchens, bathrooms, furnishings and storage solutions to create friendly, functional workspaces.
Trust & reputation

ranQ Trust Score of SEMA-TECH SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

SEMA-TECH SA 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%
SEMA-TECH SA scores 85.5 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.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.55.07%
SEMA-TECH SA scores 83.3 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).83.322%
SEMA-TECH SA scores 8.3 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 35.8.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SEMA-TECH SA 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 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.

Knowledge

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Location

Chemin du Champ-des-Filles 19
1228 Plan-Les-Ouates

At a glance

Legal form
Corporation
UID
CHE-109.690.517
Founded
2002 · 24 years
Last commercial register change
November 21, 2023
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.
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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