Pay Your Invoice We offer convenient options for paying your account. E-Transfer (Preferred) Send your payment to firm@koskie.com.Please include your name and file number in the message field. Credit Card / PayPal Click below to pay securely online using Visa, Mastercard, or PayPal. Payments are processed securely through PayPal’s encrypted gateway.For assistance, please contact our office at (306) 242-8478.