There are many different types of services performed by security firms and depending on the firms licence and certification they may be able to carry out some or all of the following services:
Security Patrol Services
Security patrols are performed on businesses, homes or large organisations and can vary between night time for businesses and day time for homes.
Security patrol services hours vary, but patrols of residential areas are mostly during daylight hours when the largest number of residents will be at work. Generally a security company won't detail what hours they perform patrol services but it is usually during peak crime periods and in peak crime areas.
For more information about security patrol services
Private security guards generally outnumber police officers worldwide. The role of the private security officer has never been more critical today with the constant threat of domestic terrorism. SG's and private security officers are in a highly visible profession and are often placed in positions of trusts.
Armed and Unarmed Security Guards
The increase in crime - burgulary, assault and robbery has increased the necessity for armed security guards. If your security contractor provides armed guards you need to ensure that they hold the appropriate licences, certification and insurances to do so.
If you don't check it with them and something unforeseen happens, then you may be held liable. To find out more about armed security guards
Hotel Security Guards
The main duties of a hotel security guard include the following:
Maintaining order in an area that has a lot of people and little space