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HubSpot import error: "Multiple companies with this domain"

You imported companies and the import summary says Multiple companies with this domain. Here is what HubSpot says it means, a free checker for your file, and the steps we follow.

What the error means

HubSpot's import troubleshooting article says the import file contains a Company domain name value that matches multiple companies in your HubSpot account, and the import did not update the company record. In other words, the duplicate is already in your CRM, not only in your file.

Source: HubSpot Knowledge Base, Review and troubleshoot record import errors, https://knowledge.hubspot.com/import-and-export/troubleshoot-import-errors (retrieved October 14, 2026). Check that page for the current wording before you re-import.

Check your CSV before you re-import

How we fix it

1. Export your companies with Record ID, Company name and Company domain name.
2. Run the export through the checker above, using the Company domain name column. Each repeated domain is a group of duplicate companies.
3. For each group, decide which company to keep, merge the duplicates in HubSpot, then re-import the file.
4. If two companies really should stay separate, we use Record ID from a fresh export as the unique identifier for those rows instead of the domain.
5. Before the next import, run your import file through the checker too, so the file itself has one row per domain.

Row & Page is not affiliated with HubSpot or HighLevel. Example values on this page are fictional.