Currently anyone can call themselves an electrician, without the need for any qualifications or competency.
The Scottish Government is gathering information and views on whether regulations should be introduced in relation to electricians. While the focus of the consultation is on domestic work carried out for individual consumers, it will also apply to commercial and industrial work.
https://consult.gov.scot/energy-and-climate-change-directorate/a-consultation-on-the-regulation-of-electricians/
