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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,041 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionVernierALFER CONSTRUCTIONS SA
ALFER CONSTRUCTIONS SA Logo
Verified· 3 sources

ALFER CONSTRUCTIONS SA

Summary

About the company

The core activity of Alfer Constructions SA is metal construction, including the planning, manufacturing and assembly of metal structures, locksmithing, carpentry and exterior fittings.

AI-generated
Offering

Products & services

Industry:Metal Construction
✓ Offered10
Metal construction
Design, manufacture and installation of custom metal structures for industrial, commercial, public and residential buildings, with support from concept to completion.
Metal trusses
Custom metal trusses for industrial buildings, extensions, structural reinforcement, renovation, awnings, pergolas, covered areas, posts, masts and antenna frames.
Aluminium joinery
Custom aluminium joinery for facades, curtain walls, glazed roofs, shopfronts, doors, windows, balustrades and minimalist profiles, with prefabrication in the workshop.
Locksmithing
General locksmithing for staircases, doors, shopfronts, glazed structures, balustrades, barriers, gates, fencing and closures, including fire-rated and security elements.
Sheet metalworking
Custom sheet metalworking for outdoor fittings, supports, planter boxes, furniture, decorative items and industrial parts, with laser cutting, bending and rolling.
On-site welding
On-site and workshop welding for steel, stainless steel and aluminium structures, using MIG, MAG, TIG and arc processes, including maintenance and repairs.
Engineering office
Preliminary project work, technical solution and budget research, tenders, technical plans and 3D modelling for metal construction projects.
Emergency service
Locksmith emergency service and small metal repairs: fitting a master lock system, changing locks, opening doors, temporary closures, maintenance and automation.
Outdoor landscaping
Custom outdoor landscaping and urban furniture: benches, waste bins, supports for planting, pergolas, privacy screens, planters, kerbs and retaining structures.
Glazing
Custom glazing for shop windows, glazed roofs, glass balustrades, glazed frames, doors, partitions and fire-resistant glass, with emergency service.
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Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 39 reviews across all connected sources

Sources
GGoogle539
★TrustpilotSoon
PProvenExpertSoon

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Location

Chemin de Champs-Prévost 14
1214 Vernier
Opening hours
Mon
07:00 - 12:00, 13:00 - 16:00
Tue
07:00 - 12:00, 13:00 - 16:00
Wed
07:00 - 12:00, 13:00 - 16:00
Thu
07:00 - 12:00, 13:00 - 16:00
Fri
07:00 - 12:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.762.615
Founded
1990 · 36 years
Last commercial register change
September 17, 2026
Employees
11 to 20

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