Protecting your business assets against external and internal threats Back-Line Security & Cleaning Services cc offers a wide range of measurable and excellent asset protection. While we do protect our clients' assets from the outside, guarding against internal threats and risks is our speciality. Through access control, risk management, surveillance and investigations, we defend our clients where they are most vulnerable. We provide an efficient service aimed at reducing crime and increasing profitability for our clients' businesses. Our officers, all PSiRA-registered, create positive interactions through good communication with our clients and their customers.