Home Northwest Merchant Services is a cash advance and payment processing company. About Us What we do is provide our merchants with payment processing services and make instant cash advances based on anticipated future credit card transactions. Processing Northwest Merchant Services is registered ISO/MSP of J.P. Morgan Chase, to bring you the best payment processing services in the business. Advance NMS QuickCash provides instant cash for payment processing ISO’s and Agents. Contact 4110 SE Hawthorne Blvd | Suite 425 | Portland, OR 97227 | 800-868-1312 Privacy Policy We do not partner with or have special relationships with any ad server companies. Site Map | Privacy Policy © 2008 Northwest Merchant Services™ All rights reserved