What do we do?

GSI Constructora realize all type of completed reforms, our professional equipment is specialised in all the construction areas, installations, carpentry, plumbing, decoration and reforms. Our experience as construction business is our best key to success.

We realize reforms to all kind of housing, if your flat or house need a reform trust us, doesn’t mind the style of the completed reform you need, we are prepared thanks to our architecture equipment specialized in all work areas.

Do you want a new perspective in the design of your flat? We will take care of transforming your dreams in a reality, advising you to benefit the characteristics of your flat.


When we realize a reform we work with the best materials of the market, materials with quality guarantee. If the work or reform to realize needs certificates, we will take care of whole the paperwork.

Geographical area

Our working zone is focused on Catalonia but our equipment is prepared to go on everywhere of Spain to realize works of major reforms or new works.

mapa gsi


Our method to work is based on an organized and constant working plan to achieve the guarantee of the projects we do.


The GSI Constructora professionals have enough experience to do a perfect completed reform, with an elegant and personalized design.


All of our completed reforms have guarantee as we think the client has to be sure of the quality of the work.

We can help

If you are thinking to do a completed reform either it is a flats, offices, houses, locals or trades, we are the indicated to do it. You won’t have to worry of anything, as we said, we will maintain you informed in every moment.

As you can check in the top images, in GSI Constructora transform an rustic space in a modern and artistic space.

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Comentario articulo
Reformas integrales en Barcelona