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Sign In. Username. Employees/Alumni = My Costco Account (LAN ID) Vendors/Suppliers = E-mail Address.
Former employees have access to ESS for 25 months after separation date. Login Issues: Retrieve Username | Reset Your Password. To access Employee Self-Service from outside the Costco network, employees must use the Google Chrome browser. This includes using the Chrome browser app on a mobile device.
Here’s how: Select Sign In / Register in the top right corner of the Costco.com homepage. Select Create Account, then enter your e-mail address, a password, and — if you’re a member — the number found on your membership card.