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A5 hardback planner 2027: why A5 is the right size for a business planner

By Claire Mitchell, The Girls Mean Business · 28 October 2026

Size matters when it comes to planners. Too big and it stays on your desk. Too small and there’s no room to think. For a business planner you’ll use all year, A5 hardback is the sweet spot.

Why A5 works

A5 is 148 by 210 millimetres: half a sheet of A4. That makes it:

A4 planners are lovely to write in, but most of them never leave the house. Pocket planners go everywhere, but there’s no room to plan anything bigger than a shopping list.

Why hardback

You’ll open your planner hundreds of times in a year and throw it in your bag every day. A hardback cover keeps the pages flat and tidy, and it still looks good in December. It also gives you something to lean on when you’re writing on your knee.

What to look for in an A5 business planner

The Awesome Marketing Planner 2027

My planner is an A5 hardback in midnight blue with gold foil, printed endpapers and a bright pink ribbon. I’ve been making it for small business owners since 2017, and it runs from January to December 2027.

Inside the printed planner:

And a couple of my rescue chickens are hiding in the pages for you to find. 🐔

The book is one part of six

The A5 book is the part you hold. The rest of the system is what keeps you using it all year:

The Awesome Marketing Planner System 2027: the A5 hardback planner and its pages, the Planner Portal on a laptop and the planner app on three phones
The whole system: the planner, the Portal and the app, plus the group, the Monday Bum Kick and the extras.

It’s printed to order and posted in December, from the UK to anywhere. Pre-orders close on Sunday 8th November.

Love, Claire x

Your questions

How big is an A5 planner?

A5 is 148 by 210 millimetres, half the size of a sheet of A4 paper. It fits in most handbags and work bags.

Is the Awesome Marketing Planner A5?

Yes. It’s an A5 hardback in midnight blue with gold foil and a bright pink ribbon.

Does it come in A4?

No, it’s A5 only. If you want bigger pages to work on, the Planner Portal has extra pages you can print at home.

When do pre-orders close?

Pre-orders close on Sunday 8th November. Planners are printed to order and posted in December.

The whole Awesome Marketing Planner System 2027: the A5 hardback planner and its pages, the Planner Portal on a laptop and the planner app on phones

Pre-order the Awesome Marketing Planner™ System 2027

The A5 hardback planner with gold foil, PLUS the Planner Portal with my training for every page, PLUS the planner app, PLUS the Facebook group, the Monday Bum Kick and the extras.

See everything and pre-order

Pre-orders close on Sunday 8th November. Planners are printed to order and posted in December.