If you're not a billing manager for the organization, ask your client to have an owner of the organization add you to the organization as a billing manager.
Tip: Billing managers can also change the organization's number of paid seats anytime.
Updating your organization's credit card
-
In the upper-right corner of any page, click your profile photo, then click Settings.

-
In the "Access" section of the sidebar, click Organizations.
-
Next to the organization, click Settings.

-
If you are an organization owner, in the "Access" section of the sidebar, click Billing and plans.
-
At the top of the page, under "Payment information", click Update payment method.

-
Under "Payment method", click New Card.

-
Under "Payment method", choose to pay with a credit card or PayPal.

-
Complete the payment information form, then click Submit.

