Payment Options and Invoicing

Payment Options

Accepted payment methods include:

  • Checks/Warrants
  • ACH/Wire Payments
  • Interagency Payments (state agencies)
  • SAM.gov (federal agencies)

If you would like to set up ACH/Wire payments with your bank, or use SAM.gov, please submit a request through the WaTech Support Center .

Vendor payments

Vendor invoices can be submitted by mail to WaTech's PO Box or email:

Washington Technology Solutions (WaTech)
Attn. Accounts Payable
PO Box 41454
Olympia WA 98504-1454

Email: CTSDLAccountsPayable@watech.wa.gov