Security Guard Company It takes considerable investigation and thought to choose San Diego's top guard service. You can use the following steps to find the top guard service: Decide what you need: You must first decide what kind of security services you require. Do you require executive protection services, event security, or security guards for a commercial property? Once you are aware of what you need, you may focus your search on businesses that are experts in those fields. Verify the guard company's licensing and certificates to ensure that it is authorized to provide guard services in San Diego. See whether they have received any honors or recognition for their work. Find a guard company with experience in providing security services for organizations or occasions like these by looking at their track record. Read more articles about the security guard industry!