Problem
You cannot merge two vendors. You need to edit transactions from Vendor A to be under Vendor B and then deactivate Vendor A.
Solution
Edit the transactions and deactivate the vendor
Editing Vendor A's Transactions to Vendor B
Using Search
or the Purchasing
section, open the Purchase Order you want to edit. The Purchase Order must be in Pending status.Click the Actions menu and choose Edit.
Edit the vendor from Vendor A to Vendor B.
Save your changes.
Repeat the steps for each transaction you want to move from Vendor A to Vendor B.
Deactivating Vendor A
After moving all necessary transactions, go to Settings > Purchasing > Vendors.
Find Vendor A in the vendor list.
Click on Vendor A to open the vendor details and click Edit.
Toggle the Active slider to Inactive.

Click Save.
By following these steps, you can effectively manage your vendors in ServiceTitan without the need to merge them. This process ensures that all transactions are correctly attributed to the right vendor while keeping your vendor list up-to-date and organized.