01/10/2026
If you're running another HubSpot data clean-up, the real problem is everything that happens in between.
Duplicates pile up, contacts lose their owners, old deals sit in the pipeline and formatting drifts. None of it is a big deal on its own. Leave it for a quarter and your forecast and reporting stop matching reality.
A little time each week fixes that:
· Merge duplicates
· Fill missing owners
· Close stale deals
· Tidy up formatting
When the data is clean, leadership can trust the numbers without asking for a spreadsheet to back them up.