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What to Look for in HubSpot Migration Services | Mole Street

Written by Harry Maule | Sep 14, 2026, 9:43:05 AM

HubSpot migrations are sold on the promise that all your customer data will end up in one system. Done correctly, you get that and more, including marketing that can ship campaigns without waiting on ops, sales and marketing working from the same record, and reporting that links campaigns to revenue.

Done poorly, you get the opposite. Your reporting history does not come across, your attribution breaks, the systems you did not migrate stay disconnected, and your team works around the CRM rather than in it. The difference rarely depends on the software itself but rather on the service that runs the migration.

Most guides on this topic are checklists written for agencies or are ranked lists of vendors. Our guide is written for the buyer. Below are the criteria that separate a HubSpot migration service that can handle a complex enterprise stack from one that can only move a single system. We include what each scenario looks like when it’s done right and the red flags that tell you it isn’t.

Key Takeaways

  • The service, not the software, decides the outcome. A HubSpot migration either unifies your stack or recreates your silos on a new platform, and which outcome you get depends on who runs it.
  • Data integrity and reporting continuity are the criteria buyers forget. Losing historical records or attribution history is the most common and most expensive migration failure, and it isn’t discovered until months later.
  • Complex stacks need unification instead of a single-system move. In a multisystem enterprise environment, the provider must connect and reconcile systems, rather than load one system into HubSpot.
  • References at your scale are the real proof. The strongest migration services can show examples of completed migrations off your exact source platform, with the security posture to match.