Book Review – Getting Things Done by David Allen

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Adam James

Adam James works in marketing. He has a full service digital marketing business called Liberty Digital. Check out the site here www.libertydigital.com.au

If you’ve ever felt buried under emails, to-do lists, and half-finished projects, David Allen’s Getting Things Done (GTD) is the system you didn’t know you needed. My mentor got me onto this in 2009 and since then I’ve read it 4 times at least.

Originally published in 2001, it’s still one of the most practical productivity books ever written — and for business owners, it’s basically a manual for staying sane while juggling everything.

Getting Things Done (GTD) by David Allen

The Core Idea

Allen’s philosophy is simple but powerful: your brain is for having ideas, not holding them.

Most of us try to remember too many things at once — from calls to make, clients to follow up with, bills to pay, proposals to write, and a million other micro-tasks that clog our mental bandwidth. GTD’s solution is to capture everything externally, sort it properly, and work from a clear system rather than a cluttered mind.

The Five Steps to “Getting Things Done”

The GTD method is built around five steps:

  1. Capture: Get every task, idea, or obligation out of your head and into a trusted system — a notebook, app, or software.
  2. Clarify: Decide what each item actually means. Is it actionable? If yes, what’s the next physical step?
  3. Organise: File your actions into categories — by project, context, or priority.
  4. Reflect: Review your lists regularly to stay on top of what’s important.
  5. Engage: Do the work, focusing on one defined action at a time instead of firefighting everything at once.

It sounds simple, but the discipline of following these steps transforms chaos into control.

Why It Matters for Business Owners

Entrepreneurs and consultants often live in “reaction mode” — jumping from emails to client calls to admin tasks. GTD helps break that pattern. Once everything is written down and categorised, you can make better decisions about what truly matters. It’s the difference between being busy and being effective.

For teams, the GTD mindset also encourages clarity and accountability. When every task has a defined “next action,” there’s less ambiguity and fewer things slip through the cracks. Many leaders report that after implementing GTD, they feel less stressed and more creative because their minds aren’t constantly reminding them of unfinished business.

Real-World Application

At Business Advice, we’ve seen the GTD system work particularly well for small-business owners and consultants managing multiple clients. You can apply it using software like Asana, Trello, Notion, or even a simple spreadsheet. The key is consistency — once the system becomes second nature, your productivity skyrockets.

If you’re the kind of person who starts ten projects at once and finishes two, this book will help you build momentum and focus.

Final Thoughts

Getting Things Done isn’t a motivational read — it’s a framework. It’s about developing a habit of clarity, structure, and follow-through. If you take the time to implement it the result is less stress, more time, and a lot more done.

If you’re serious about improving how you manage your time and mental energy, this book is a must-read.

Recommended reading: Getting Things Done – Official Site

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