Substack is launching native sponsorships.

"During the pilot, Substack is simply facilitating payments and is not taking a cut."

Dec 09, 2025

∙ Paid

Hello everyone.

Today’s letter includes: Becca PR’s new president, Hamish McKenzie tells me about Substack’s new ad product, and McNally Jackson shares some exclusive data about their bestselling books of 2025.

Substack is launching native sponsorships.

"During the pilot, Substack is simply facilitating payments and is not taking a cut."

This post is for paid subscribers