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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionBiascaMM WORK&INVESTMENT SAGL
MM WORK&INVESTMENT SAGL Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company MM WORK & INVESTMENT Sagl specializes in the professional assembly and installation of products from the fields of carpentry and metal construction. The core activities include the assembly of windows, doors, window and door frames, blinds, sun protection systems, facades, kitchens and furnishings. In addition, the company offers maintenance and repair services for these products.

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Products & services

Industry:Interior Construction
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3.7/5

MM WORK&INVESTMENT SAGL

✓ Offered
9
Installation of windows, glazing and façades
Installation of glass and window systems in hinged, sliding and pivot configurations; folding verandas, curtain walls, steel frames and steel elements, automatic entrances and vestibules.
Supply and installation of doors and windows
Supply and installation of windows, window systems, doors and frames, including for major projects and private clients, with support to choose the most suitable products.
Solar shading and protection for openings
Shutters, blinds and solar shading for windows and glazed areas, with installation and solutions for new or renovated buildings.
Curtain façades and large glazing
Curtain or ventilated façades, shopfronts and large glazing, with assembly of glass and steel systems for complex projects.
Kitchens and interior furnishing
Installation of kitchens and furnishings, including fine joinery work and fitting of furniture elements for private and professional clients.
Mobile partition walls and architectural structures
Mobile partition walls, substructures, architectural and load-bearing structures, with installation and technical support for projects of varying size.
Maintenance and repairs
Maintenance and repairs of doors, windows, shutters, window systems, glazing, entrances, insect screens, roller shutters, balcony railings, grilles, parapets and furnishings.
Carpentry and metal construction work
Carpentry or metal construction work, with TIG welding for steel and precision work on finished products and custom-made components.
Wooden items (MMWOOD)
Wooden items made entirely of wood, handcrafted with expert craftsmanship and natural materials, with examples such as coat stands, wood storage crates and bike stands.
Trust & reputation

ranQ Trust Score of MM WORK&INVESTMENT SAGL: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

MM WORK&INVESTMENT SAGL scores 52.7 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.68.224%
  • 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.17.610%
  • 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.50.08%
MM WORK&INVESTMENT SAGL scores 65.0 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.55.07%
MM WORK&INVESTMENT SAGL scores 85.0 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).85.022%
MM WORK&INVESTMENT SAGL scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

MM WORK&INVESTMENT SAGL reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Via al Ramon 18
6710 Biasca
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-362.186.139
Founded
2022 · 4 years
Last commercial register change
January 4, 2024
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.
88.0
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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