Pol. Industrial A Granxa
Parc. 212-214
Edificio Idigranito PO.Box 188
36400 Porriño, Pontevedra

T: +34 986 346 664



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Grupimar is part of Marcelino Martinez Group (1959) and we have been working for you since 1992.

We are dedicated to the extraction and manufacturing of natural stone and we are in constant movement to embrace new knowledge and cutting edge technologies. We have been adapting for decades to offer quality products and service as a key factor, making us a benchmark in the natural stone field.

Our goals?

To continue improving processes and services which allows us to meet our clients needs and thrive as a Company.

To keep on innovating and developing our products in a sustainable way and so we’ll continue making our world a better place to live.

Bloques de granito

Service and support

A client is more than just a client, it is also a chance to learn and grow so we will be with you every step of the way, every doubt, listening to you, helping and telling you the truth.

Canteras de granito en Galicia

Our principles

Our corporate principles are the foundation of the company, reflect our commitmentand responsibilityto people and nature, ensuring sustainability, qualityand professionalism.

We create constructive and professional relationships based on honestyand respect, because social responsibility and ethical commitment are not negotiable.

Baldosas de granito

If you have a project, you are looking for information or you just want to meet us, do not hesitate to contact us. We are looking forward to working with you!


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