The Comina's offices provide their know-how and experience to satisfy your request for either construction, renovation, transformation, interior design, real estate sales or estimates.


The Comina's offices provide their know-how and experience to satisfy your request.

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Construction management

Our team is also trained and qualified to direct construction projects. Our ongoing priority is to respect prices and schedules.

In addition, several of our construction managers have a federal master's degree.

Our mandate, with reference to the direction of various construction projects, includes the following SIA services:

  • Study of estimates and financial planning
  • Contracts of invitation to tender
  • Coordination and supervision of work
  • Meters
  • Invoice Control
  • Final account summary

Our experience also extends to project execution at both a general and total company level.

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Interior Design

We assist customers to advise them on material choices and interior architectural concepts using highly detailed 3D presentations.

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Real estates sales

In charge of the real estates sales in Crans-Montana, of the specific carrying out of our office Gabriel SA but also of other properties on request, Mrs Ludivine Léonard-Comina, holder of the Federal License of real estate broker, wil be pleasded to advise you.

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Real estate estimates

Our office is also competent to estimate proprety values, the costs of repair after a claime as well as to establish surface certificates as part of the LFAIE (Swiss federal law for the sale to foreigners)

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Quantity Surveyor

Representation and assisting customers facing architects or contractors with general or specialized way for the following tasks (non-exhaustive list) :

  • Monitor the project carried out by the contractor (Mr. X and his architect)
  • Help by giving notice in the relevant analysis and reflection on the proposals or acts of the contractor
  • Assist and inform the MO regarding extra costs or less costs calculated by the architect, after examination
  • Finalize with the architect PV the more accurate description of materials
  • Find solution of material costs in relation with your material choices
  • Check all the work execution on site if they are in relation with the description of materials
  • Follow weekly the construction progress and inform the MO
  • Give indications on site following the MO decision
  • Assist the MO in the final acceptance of work, assessing of any apparent defects by reference tolerances, custom or law

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