General Contractors in
Lostallo

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

Companies

All 7 companies in Lostallo

Mavraj SA Logo

Mavraj SA

Since 2011 · 1–10 empl.

Mavraj SA is a family-run construction company active in building and civil engineering. Services include new construction, renovations and extensions, external landscaping and natural stone work, as well as general excavation, demolition, canalization and infrastructure works.

General ContractorsBuilding constructionCivil engineeringOutdoor facilities and natural stone works
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #1
VR

Valentino Rosa SA

Since 1989 · 1–10 empl.

General Contractors
No score yetCS

Christoph Simmen sagl

Since 2004 · 1–10 empl.

General Contractors
No score yetSC

STENZ CHRISTIAN CARPENTERIA SA

Since 2014 · 1–10 empl.

General Contractors
No score yetFR

Fratelli Rosa SA

Since 2015 · 1–10 empl.

General Contractors
No score yetRE

Rinnovi e manutenzioni edili TheNewAncientHome di Oscar Meleri

Since 2017 · 1–10 empl.

General Contractors
No score yetCA

Corfu Architettura Sagl

Since 2024 · 1–10 empl.

General Contractors
No score yet

General Contractors in Lostallo

7General ContractorsCommercial register (Zefix) · as of October 10, 2026
2014Median year of registrationCommercial register (Zefix) · as of October 10, 2026
291in the Canton of GrisonsCommercial 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

Chur35Grono22Roveredo GR16St. Moritz15S. Vittore12Mesocco9Davos Platz7Landquart7Bonaduz7S. Bernardino7
Industry axis

General Contractors in other places

General Contractors across Switzerland
Chur35Grono22Roveredo GR16St. Moritz15S. Vittore12Mesocco9Davos Platz7Landquart7Bonaduz7S. Bernardino7Cama5

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 Lostallo

All companies in Lostallo
Restaurants9Real Estate Brokerage5