Sustainable buildings,

healthy people

ZER0CEM is a vibrant and dynamic team focused on working at consultancy and certification in sustainable construction

We strive to create motivating and optimistic environments where healthy people can live, work, and relax

Buildings that really perform as they should, reducing CO2 emissions, which can be internationally compared

What do our projects tell?

Whitin 5 countries

227 kg saved every hour

50.743 sqm

Consultancy and Certification

Certification in Sustainable Construction >

Logo Certificación BREEAM



Gain credibility with the leading certificate adapted to the environment

Logo Certificación LEED



Full international approach to show sustainability grade of your designs

Logo Certificación WELL



Certification scheme that measures people’s health and wellness

Logo Certificación PH



Maximum comfort with minimum energy consumption through passive design

Consultancy in Sustainable Construction >

Icono Construccion sostenible



Sustainability for your designs through external consultancy that really helps

Icono simulación termica




Make sure building’s construction match designs and energy regulations

Icono Termografia




Make sure about buildings’ envelopes thermal properties and thermal bridges

Icono Auditoria Energética



Plan  your energy consumption to save energy according to R.D. 56/2016

Case Studies >

About ZER0CEM >

Tuvimos el acierto de contar con ZER0CEM para resolver satisfactoriamente el área de sostenibilidad en algunos proyectos de ámbito internacional y complejidad elevada

Rafael Conejero Díaz

Co-Fundador, BG20 Arquitectos

Thanks to ZER0CEM we experienced a great development in projects involving sustainability, but even more we gained a great coordination between our head office and our Chinese team

Dai Feng

Design Director, RIA Chinese Office

ZER0CEM ha dado a nuestra oficina la posibilidad de desarrollar proyectos más complejos gracias a su conocimiento en consultoría y certificación de sostenibilidad en construcción.

Juan M. Rojo Laguillo

Fundador, Rojo Arquitectos


An independent audit supported by a non-profit organization that certifies good practices in sustainable construction providing extra recognition, truthfulness, clarity and rigor. ZER0CEM offers consultancy and certification for BREEAM, LEED, GREEN and PH standards.


ZER0CEM provides extra quality to traditional architectural design. We work on rising comfort and holistic sustainability in a objective and certified way through the use of international standards.

As we work with highest international requirements, our projects remain always over local requirements, so finally they never produce any incompatibility

We have already worked on projects in Europe, North Africa, Middle East and China and we hope to continue doing it with you



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