Private security firms are part of a wide range of services that are available to businesses in the capital.
They are employed by companies, individuals, and organizations for their own protection. They are hired by a wide range of companies, such as banks, utilities, transport, and energy companies, and by the military and the government.
The private security industry in London is made up of a wide range of firms, many of which are also involved in the wider security industry, and which offer a variety of services.