Welcome to
Optimize Performance, Improve Flexibility and Enhance Control
Click on the button to register for Catalyst Vendor Self Service.
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Login Id:
Password is Case-Sensitive

Welcome to
Welcome to Catalyst for BNY Mellon.
AP Inquiries:
(866) 726-6627 (BNY Employees)
(979) 691-7992 (Vendors)
T&E Inquiries:
(877) 629-6285
(979) 691-6595
Email for AP and T&E Processing:
Email for Check Processing:
Useful Links:
Accounts Payable Website
COMIT Lookup Tool- Your COMIT ID is your Catalyst User ID
Catalyst Quick Reference Guide
T&E Website

IRS documents are available via the Catalyst Forms screen. Please log in to access them.

Attention Vendors: Click here  to view the Vendor Self Service Registration Guide