I've seen brands implement an ERP for many reasons.
Some are better than others but are no less valid.
This is my checklist, and you're looking for multiple factors to justify the commitment.
Multiple inventory locations
Outgrown your Accounting Platform
Legal Entities in multiple countries
FD owns Tech Roadmap
Heavy retail store growth
Advanced Order Routing between Warehouses
VC / Investor Backed
That's that sorted, then.
Having one of these rarely is enough for it to make sense.
To quote the genius Derek Sivers, if it isn't a hell yeah! It's a No.
Having one of these rarely is