General Contractors in
Onex

5 companies in General Contractors based in Onex — name and year of registration from the commercial register. The list below shows them all.

Companies

All 5 companies in Onex

CDO GmbH Logo

CDO GmbH

Since 2017 · 1–10 empl.

The core activity of CDO GmbH is the provision of construction and renovation services on the Swiss market, including project planning, execution and completion of construction projects.

General ContractorsRenovations and Interior Fit-OutTimber Construction and Roof StructuresHouse Construction
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
BINNI HOMME SERVICE SARL Logo

BINNI HOMME SERVICE SARL

Since 2026 · 1–10 empl.

BINNI HOMME SERVICE SARL provides services in renovation, painting, plastering, interior decoration and cleaning. Its work includes facade and plastering services, wallpapering, post-construction cleaning, end-of-tenancy cleaning and the maintenance of buildings and villas.

Building MaintenancePlastering and Façade WorkPainting and WallpaperingInterior Design
No score yetTS

Techni-services Sàrl

Since 2019 · 1–10 empl.

General Contractors
No score yetSS

SwissRenov' Sàrl

Since 2022 · 1–10 empl.

General Contractors
No score yetGR

GFF RÉNOVATIONS, José Alberto Dos Santos Ferreira

Since 2025 · 1–10 empl.

General Contractors
No score yet

General Contractors in Onex

5General ContractorsCommercial register (Zefix) · as of October 10, 2026
2022Median year of registrationCommercial register (Zefix) · as of October 10, 2026
615in the Canton of GenevaCommercial register (Zefix) · as of October 10, 2026
9,216in SwitzerlandCommercial register (Zefix) · as of October 10, 2026
Locations

General Contractors in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 10, 2026

Largest places

Geneva217Carouge GE53Meyrin45Plan-Les-Ouates25Vernier24Grand-Lancy23Petit-Lancy23Satigny21Les Acacias16Châtelaine16
Industry axis

General Contractors in other places

General Contractors across Switzerland
Geneva217Carouge GE53Meyrin45Plan-Les-Ouates25Vernier24Grand-Lancy23Petit-Lancy23Satigny21Les Acacias16Châtelaine16Versoix15Le Lignon13Thônex12Vésenaz11Cointrin11Chêne-Bourg10Le Grand-Saconnex8La Croix-De-Rozon7Bernex7Aïre5

By canton

Canton of Zurich1,206Canton of Vaud836Canton of Ticino804Canton of Bern705Canton of Geneva615Canton of Aargau562Canton of St. Gallen550Canton of Fribourg464Canton of Lucerne447Canton of Valais445Canton of Zug404Canton of Schwyz342Canton of Thurgau334Canton of Grisons291Canton of Basel-Country258Canton of Solothurn213Canton of Neuchâtel122Canton of Appenzell Outer Rhodes90Canton of Nidwalden75Canton of Schaffhausen68Canton of Glarus50Canton of Obwalden49Canton of Jura41Canton of Appenzell Inner Rhodes21Canton of Uri15
Place axis

Other industries in Onex

All companies in Onex
Restaurants45Painting & Plastering29Management Consulting21Facility Management & Cleaning18Property Management15NGOs & NPOs13IT Consulting & Services13Real Estate Project Development13Technical Consulting & Engineering12Fiduciary Offices12Logistics & Transport Companies12Coaching & Personal Development11Advertising Agencies11Automotive & Vehicle Trade11Moving Companies11Interior Construction10Plumbing & Building Services10Catering10Trade Fair & Event Organizers9Building Maintenance9Flooring & Tiling9Real Estate Brokerage9Retail - Food & Luxury Items9Administrative Services8Horticulture & Landscaping8Holding Companies8Other Service Industries7Architecture Firms7Electrical Planning & Installation7Cultural & Educational Organizations7Hair Salons7Financial Services7Physiotherapy7Software Development7Housing Cooperatives7Online Shops7Mobility Services7Film & TV Production6Food Processing6Continuing Education Institutes6Wholesale - General Specialty Trade6Travel Agencies6Taxi Companies6Beauty Salons5Wholesale - Food & Luxury Items5Residential Homes5