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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionEffretikonRUMA Technik GmbH
RUMA Technik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

RUMA Technik GmbH is a metalworking company focused on welded constructions and bespoke metal fabrication. Services include consulting, several manual welding processes, production, on-site assembly and repairs for steel, stainless steel and aluminium, with applications in plant and apparatus construction, pool technology, furniture and motorsport components.

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Offering

Products & services

Industry:Metal Construction
✓ Offered
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3.9/5

RUMA Technik GmbH

9
Metal fabrication and ironwork
Metal fabrication and ironwork, custom metal structures, balconies, stair railings, handrails, picket railings, brackets and ramps made of steel, stainless steel and aluminium.
Welded structures and fabrication
Welding of welded structures, production of customised projects, manual welding processes for single and series parts in steel, stainless steel and aluminium.
Assembly and final on-site installation
Assembly and final on-site installation, including quality control, efficient and thorough completion of metal fabrication orders.
Repairs and adjustments to metal parts
Repairs and adjustments to metal products and equipment, including welding on cracked or broken structures made of steel, chrome steel or aluminium.
Plant and equipment construction
Plant and equipment construction for industrial products, prefabricated with precision machines and assembled using modern welding processes.
Pool and swimming-pool technology
Pool and swimming-pool technology with underwater and above-water handrails, return lines, service-room covers, custom pool ladders and steps, and repair welding.
Exhibition and retail fit-out
Exhibition stand and retail fit-out constructions and furnishings, custom furnishings and special structures for customer projects.
Custom design furniture
Custom design furniture, including tables, shelves, bar stools, side tables and display furniture for living, office and presentation rooms.
Custom special fabrications
Custom-made individual pieces and site-specific special solutions to customer requirements, including fire bowls, privacy screens, boat conversions, motorsport components and repairs.
Trust & reputation

ranQ Trust Score of RUMA Technik GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

RUMA Technik GmbH scores 62.1 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.75.024%
  • 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.40.910%
  • 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.50.08%
RUMA Technik GmbH scores 72.3 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.75.012%
  • 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%
RUMA Technik GmbH 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%
RUMA Technik GmbH scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

RUMA Technik GmbH 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 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Im Langhag 2
8307 Effretikon

At a glance

Legal form
Limited Liability Company
UID
CHE-437.048.026
Founded
2019 · 7 years
Last commercial register change
January 31, 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.
88.0
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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