There are a number of different things to consider when you are thinking of hiring a security guard; things like experience, physical and mental capacity to do work, personal background and work, and professionalism.
Also, you need to consider if the applicant is well-experienced in this type of environment you want to secure if he is licensed and trained to carry firearms, if necessary, and if he had injuries in the past or present. You can also get more information about the security guard at https://www.unifiedsecurity.com.au/services/security-guards/.
Disability or injury may prevent him from protecting your property, so you need to consider that as well. Before hiring anyone to learn as much as possible about candidates for a job position. One way to do this is to ask for some references.
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Contact former employers to check the performance and other important matters. You can also consider hiring someone to conduct a criminal investigation. Ask your attorney about this process.
Get the written consent of the applicant before conducting background checks. When your request is granted, you just have to search for the information you really need, and you just have to use the information to assess the overall capacity of the candidate became a security guard. Remember that any information you get is confidential.
Having a criminal record is usually a consideration of the employer. Know the law about digging into the criminal records because they may be different depending on what you're in.
In some areas, you can find out about the beliefs that are directly related to a specific job only. Typically, you are forbidden to dig into the juvenile records. You may also be able to check every police arrest where there end up being a conviction.