For Accounting & Billing queries, please contact the Finance & Accounting Division (Accounts Receivable Dept) via email at ar@gu.g4s.com or via telephone at +1 (671) 646-2307 Press 4 for Accounting.

For our monitoring customers & clients with recurring services, you may also signup for automatic payment via credit card authorization to avoid the hassle of doing monthly payments. Fill out the authorization form and email to ar@gu.g4s.com.

For commercial, government & industry clients, we also accept ACH or wire payments.

We greatly appreciate your business!

Credit Card Authorization Form

Please take advantage of additional savings by checking out out prepayment promotions on recurring services and sign-up for e-statements.