Over the years, the firm has, however, been involved in its share of controversies – from allegations of sexual assault lodged by female employees, to paying off Nigerian officials for government contracts. Formerly known as the Corps of Commissionaires, Corps Security is a British security company that officially speaking reports to Queen Elizabeth II. Established in 1859, it is said to be the world’s oldest security firm, and today it has a team of about 3,000 security personnel plus a dozen offices throughout the U. K. The company’s specialty is corporate security – including event protection, electronic surveillance, and consulting. According to its official website, Corps Security is “the leading supplier of specialist security solutions. ” Dressed, upon request, in the company’s iconic Commissionaire Uniforms, Corps Security’s event protection unit secures high profile sporting sites like Wembley Stadium and has a presence at important annual affairs such as the London Lord Mayor Show. Other services include manned guarding, CCTV surveillance, alarm response and key holding. Headquartered in Lima, Peru, Defion Internacional is a private military company that supplies specialist security staff who are mostly recruited from Latin America. These personnel are often then contracted out to other companies; in fact, Defion Internacional first became known when it trained recruits to work with Triple Canopy in Iraq. Defion Internacional has bureaus in Sri Lanka, the Philippines, Iraq and Dubai, and the firm specializes in training bodyguards, drivers, and logistics and administrative personnel.