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Alfer Constructions Sa

Alfer Constructions has been active in Geneva-area metal construction for more than 40 years.

Construction
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Headquarters
Vernier, SwitzerlandSource: RevenueBaseRetrieved October 13, 2026
Employee range
51 to 200Source: RevenueBaseRetrieved October 13, 2026
Founded
1986Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
101 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Alfer Constructions Sa do?

The company’s 80 employees and apprentices work across its listed metal-construction sectors.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

Its clients include architects, general contractors, engineering offices and companies in the region.

What the business offers

Services & capabilities.

Metal structural work

Provides metal structural work, including on-site welding; the source states EN1090 certification up to execution class 3.

Source: LinkedIn company description · Retrieved October 13, 2026

Custom fire-rated and insulating frames

Supplies custom fire-rated and insulating frames using systems including Forster and Raico.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

Share your recognition

Embeddable award for your website

BADGE PREVIEWAlfer Constructions Sa listed #1 on Certified welding contractors, October 8, 2026Open the published source list.
Alfer Constructions Sa

#1 Certified welding contractors

Snapshot: October 8, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 3, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 5, 2026, September 15, 2026, September 16, 2026, September 17, 2026, September 18, 2026, September 21, 2026, September 28, 2026, September 29, 2026, October 8, 2026, October 9, 2026, October 10, 2026 and October 11, 2026. How the company lists are built.

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