Marketing

The Marketing Brain Notion template, free to duplicate

The exact Notion structure we use to give AI shared, permanent context for marketing. Twelve databases across four layers, free to copy and adapt for your own team.

Hosts
Ben Collins
Director, TrueGroup
Patrick Lambert
Director, TrueGroup
Jac Evans
Director, HireChain

The Marketing Brain Notion template, free to duplicate

By
Phil Taylor

Get the free template here, then read how it works.

Most marketing teams do not have an AI problem. They have a memory problem. Everyone is using AI every day, and everyone is briefing it from scratch, re-explaining the brand, the audience and the offer in a private chat no one else ever sees. Whatever you teach it on Monday is gone by Tuesday, and it never reaches the rest of the team.

We fixed that with one thing... a shared knowledge base the whole team, and every AI tool, reads from and writes to. We built ours in Notion, and we have turned it into a free template you can duplicate today.

What the Brain actually is

The Brain is a single Notion workspace that holds everything an AI needs to know before it creates anything for you. It is organised into twelve connected databases across four layers.

  • Foundation... brand, products and services, personas, messaging, proof. The things that stay true whatever you are working on.
  • Direction... strategy and channels. What you are trying to do and where.
  • Execution... skills, activities, content and tasks. How you make each type of asset and what is in flight.
  • Feedback... learnings. What worked and what did not, written back in so the next brief starts smarter.

Why four layers, not one big document

A single brand document goes stale the day you finish it, and no AI can find the right part of it quickly. Splitting the knowledge into layers means the AI pulls exactly the context a job needs... brand voice and personas for a social post, strategy and channels for a plan, proof and messaging for a sales deck. The structure is what makes the retrieval accurate.

How AI uses it

The model reads the relevant pages before it writes, so the output follows your rules rather than generic best practice. It maintains the Brain too. When you agree new messaging or improve a way of working, you ask the AI to update the page, and from that moment the whole team is on the new version. If it is not in the Brain, it does not exist.

How to make it yours

Duplicate the template, then spend an afternoon on the Foundation layer first... brand, one or two core personas, your real messaging. That alone changes the quality of everything the AI hands back. Add strategy and channels next, and let the Execution and Feedback layers build up as you work. You do not need it complete to feel the difference, you need it started.

Get the template

It runs marketing across TrueGroup and our client brands, and it is free to copy. Duplicate the template using the link on this page and make it yours.

Start using your marketing brain now

Last published on:
September 28, 2026

Latest news, podcasts and insights from our founders, Ben and Patrick

View More