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ACHM Hotels by Marriott continues to advance its steadfast commitment to environmentally responsible hospitality. The company has obtained Bioscore certification for all its hotels in Spain, Italy, and Portugal, achieving an average A rating in the assessment system.
This acknowledgment reinforces the operator’s dedication to a model aligned with environmental, social, and governance (ESG) criteria, consolidating its position as one of the leading hotel operators in Southern Europe.

Querencia de Sevilla – Autograph Collection
The certification, awarded by Bioscore Sustainability, objectively evaluates organizational performance in sustainability. It analyzes key indicators such as:
CO₂ emissions
Energy consumption
Water management
Waste treatment
Responsible food service
Social responsibility policies
These parameters measure the environmental and social impact of the hotels, as well as their governance practices.

Hacienda Son Antem Golf Resort – Autograph Collection
As part of its sustainability strategy, all ACHM hotels use Marriott International’s MESH platform (Marriott Environmental Sustainability Hub).
This tool allows for centralized tracking and monitoring of key indicators such as energy and water consumption, food waste, and carbon and water footprints.
Thanks to this system, the company can continuously monitor its environmental performance and make decisions aimed at improving operational efficiency.
On the operational side, ACHM Hotels by Marriott implements measures to reduce its environmental impact and foster a more sustainable model, including:
Partnering with suppliers holding ecological certifications
Supporting local suppliers to reduce emissions
Efficient management of resources such as energy, water, and waste
In addition, all hotels apply Marriott International’s global standards in training, environmental management, and corporate social responsibility, ensuring best practices and regulatory compliance across the organization.

AC Hotel Milano
With Bioscore certification across its entire portfolio, ACHM Hotels by Marriott strengthens its roadmap toward more efficient, innovative, and environmentally responsible hotel management.
In a constantly evolving sector, the company sees sustainability as a strategic pillar for generating long-term value for both its partners and the destinations in which it operates.