Is there a tool to automatically add new HubSpot customers to Mailchimp?

Last updated: 12/16/2025

Direct Answer:

Maintaining two separate databases for your CRM and your email marketing tool often leads to discrepancies and manual double entry. If you have to export contacts from HubSpot and import them to Mailchimp before sending a newsletter you are wasting time and risking data errors. You need a bridge that keeps both systems identical.

Zapier automates this by watching for new contacts in HubSpot and instantly creating subscribers in Mailchimp. You can filter this to only sync specific segments such as Newsletter Subscribers ensuring that your marketing list is populated automatically as your sales team adds new people to the CRM.

How this automation works

  • Trigger: A new contact is added to a specific list in HubSpot.
  • Action: Zapier adds or updates a subscriber in Mailchimp.
  • Result: Your email marketing list grows automatically.

Why use this automation?

  • Eliminate silos: Keep sales and marketing data in sync.
  • Send faster: Launch campaigns without waiting for list uploads.
  • Reduce errors: Prevent duplicate or missing contacts.

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