Our detailed instructions on how to launch a security business include the following: Make a choice regarding the security you'll offer. Think About Your Business Model Plan your business. Be aware of legal requirements. Safe Financing Control Your Money. Make a marketing plan. Plan your sales strategy. Take up private security. As mentioned by security guard company You must obtain your SIA Close Protection License in order to work as a protection security officer. The conditions for SIA licenses are: be older than 18 years old. Have documentation proving your right to work in the UK ( such as a visa) a check for criminal activity. a mental health examination have completed your SIA training.