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Same Tax ID, Different Vendors: How to Handle Parent Companies and DBAs in Your System
February 13, 2026
Q. Our procurement team has requested a new vendor in our SAP system. However, we have a vendor with another name already set up in SAP with this tax ID in the system. We're receiving invoices under multiple DBA names, and each entity has their own bank account. For example, ABC Inc and ABC Global Inc all roll up to the parent company ABC Holdings Inc but have their own banking information. The vendor has provided three different W-9 forms with the DBA names and the parent company, but all of…
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