How do I assign a business unit to all migrated records in HubSpot?

Last updated: 03/11/2025

If you are migrating data into HubSpot with multiple business units in place, and would like your source data to get assigned to one specific business unit, here's a step-by-step manual: 

1. At the fields mapping wizard step, go to the object where you want to set Business unit field.

2. Click on Unmapped fields:

3. Click Set constant value and on the right side search for Business units field: 

4. Select the Business units field on the right side, set the constant value from the picklist of available values to Business unit you want to assign to all records, click apply: 

5. As a result, your mapping for Business units should look this way: 

You can apply similar settings for mapping of other objects as well. 

After completing your migration, your records will be assigned to the respective BU in your HubSpot portal.