FREE SIA Training Advice.If you are thinking about starting a career within the UK security industry, you may have a few questions. SIA Licence UK has a ton of information on door supervisor courses, cctv operator courses, security guard courses, close protection courses.If you still have questions after browsing our site, you can use our free questions form to ask anything about the UK security industry and we will do our best to get back to you as soon as we can.A career within the UK security industry can be very rewarding both financially and mentally, so come and check out the site and see if it would be something you could do.