A Competent Person in relation to The Regulatory Reform (Fire Safety) Order 2005 is a person who:
Has sufficient training, experience or knowledge and other qualities to enable them properly to implement fire-fighting and detection measures, such as the use of any non-automatic fire-fighting equipment.
Arranges any necessary contacts with external emergency services, particularly as regards to fire-fighting, rescue work, first-aid and emergency medical care.
https://www.legislation.gov.uk/uksi/2005/1541/article/13/made
It's important for us to help you make informed decisions.