Certifications | The Corner Duomo Hotel Milano

A quality stay at The Corner Duomo

The Corner Duomo Milan is part of the Roscioli Hotels Group, a family hotel group that for over 80 years has guaranteed a virtuous management of its business.

The group has obtained numerous certifications that attest to its management oriented towards maintaining high standards, attention to sustainability and customer and collaborator satisfaction.

Our certifications

Quality and Hospitality
The Roscioli Hotels Group is committed daily to pursuing customer satisfaction, safeguarding the environment, protecting the health and safety of workers.

Our quality policy

Sustainable tourism
Our hotels have planned a series of structural interventions in order to improve the efficiency of the environmental and energy management system.

Our policy for the environment

ISO 14001 certification : 2015 - Environmental Management System
Our environmental policy and our sustainable measures.


ISO 9001 Certification: 2015 - Quality Management System
Our quality policy and our management system.


ISO 45001 Certification - Safety in the workplace
Our commitment to the protection of health and safety in the workplace.