Which HubSpot Company fields does Warmly update?
Last updated: September 2, 2026
If you’ve enabled Create or update companies in your HubSpot integration settings, Warmly can sync data to the following standard HubSpot Company fields:
Standard HubSpot Field | Behavior when creating or updating a company |
Owner | Fill-if-empty. If an owner already exists, we will never change it for that company record in HubSpot |
Name | Fill-if-empty. |
Website | Never overwritten. Warmly uses this value to match the company record. |
Number of Employees* | Fill-if-empty |
City* | Fill-if-empty |
State* | Fill-if-empty |
Zip* | Fill-if-empty |
Country* | Fill-if-empty |
* To sync these fields when Warmly creates a new HubSpot company, enable the Sync back country, state, zip code, and company size toggle.

Custom fields
If you’ve mapped custom fields in your HubSpot integration, the following rules apply:
Fields with a default value: The default value is only written when creating a new record. It will not overwrite an existing HubSpot value.
Warmly custom fields: These are always overwritten to ensure HubSpot has the latest values from Warmly.
Have questions or feedback? Reach out to your CSM or email us at [email protected]