Limitation note
Where HubSpot needs outside tooling.
These jobs stay in another system. HubSpot can be the front door or the activity log.
Inventory and MRP
Stock, bins, and work orders. Sync a status and an available-to-promise number if sales needs it. Edits happen in ERP.
Billing and the ledger
Invoices, tax, usage rating, and revenue recognition. HubSpot can open the renewal deal and store the invoice link.
Payroll and HRIS
Nothing about pay, right-to-work, or benefits belongs in the CRM, even as a convenience property.
Deep external portals
A page of their own records is in reach. A unique permission model per external company, with audit, usually is not.
Many-to-many territories
Native owner fields fail when two teams share one account for different products. That is a custom object, not a bigger workflow.
Regulated records
Patient charts, student transcripts after enrolment, and property contracts live in their specialist systems. HubSpot tracks the pursuit.
Hit a limit that is not listed?
Tell us the job HubSpot could not carry, and which system you kept it in.