Interviews, insight & analysis on digital media & marketing

The NDA Bookshelf: the business books you need to know about

The NDA Bookshelf is our regular feature highlighting the must-read books to survive and thrive in the digital industry. We ask some of our favourite authors why their book is such vital reading and why exactly you should bother reading it.

Agencynomics by Spencer Gallagher and Peter Hoole provides advice on how to grow an agency. The authors are co-founders of where they have helped over 1000 agencies grow over the last ten years.

We talked to Spencer Gallagher, CEO of Cactus, who started his agency life in 1999 and exited his agency Blue Halo to Gyro, now part of Dentsu, in 2008, taking it to the eighth largest digital agency in the UK in 2009.

Describe your book in five words.

Scaling your 0-50 person agency. 

Why should I read it? 

Most creative, design, technical, digital, marketing and advertising agency owners face constant daily challenges when trying to scale their agency business. 

This book helps guide you through the growth journey with first hand intimate experience from authors Spencer Gallagher and Peter Hoole, who have had years of experience helping in excess of 1,000 agencies scale. 

We are confident that this book has all the information you need to help build a best-in-class agency.

This book is full of insights and tips for anyone with or without agency experience, on the journey from start-up through to a team size of 50. 

Agencynomics also has over 100 practical tips and KPIs to help you improve your agency growth strategy.

What are the three biggest things I’ll learn from it?

1. The KPIs of agency businesses 

2. The truth about agency lead generation 

3. Essential agency finance strategies 

Who’s the ideal reader?

Agency owners, leaders, management or team members. 

What are your top three business books?

Frederic Laloux Reinventing organisations.

Steven Kotler – Stealing Fire.

Be More Pirate, Sam Conniff Allende.