Meet Bryony Thomas

Bryony Thomas; The business strategist and keynote speaker who turns chaotic growth into sustainable success

Bryony Thomas isn’t your typical business guru. From co-managing charity campaigns at 19 to becoming divisional marketing director of FTSE 100 Experian by 28, she’s built her reputation on one simple truth: most businesses don’t need more marketing tactics — they need a system that actually works.

Her “curious rebellion” from the hills of South Wales to boardrooms across Europe has equipped her with the rare ability to see what others miss. Known as “The Elephant Spotter” for pointing out what needs addressing, Bryony transforms businesses through her Watertight Marketing methodology— proven in over 3,500 organisations worldwide.

When your audience craves transformation over motivation, Bryony delivers the roadmap from busy to business.

 

 Strategic | Proven | Unforgettable

Work With Bryony

Speaking

Speaking

For a conference session delegates actually remember and do something about.

Training

Training

Master the methodology that's transformed 3,500+ businesses.

marketing consultant

Consultancy

partner directly with the creator of a truly proven growth system.

“Bryony is the ultimate communicator. She takes complex ideas and makes them cleaer, and brings them to life in all sorts of ways!”

Rin Hamburgh

MD, RH&Co

Business Growth

Watertight Growth

The platform that supports scaling without breaking

Built on research with 1,500+ scaling businesses, this isn’t theory — it’s the blueprint for step-up companies ready to systemise and scale. Perfect for established SMEs in the £2-20m bracket looking to move beyond founder-led (glorious) chaos.

Business Growth

Watertight Marketing

Turn prospects into profits with systematic precision

Stop the “tactic burn” of jumping from one marketing fad to another. Build customer journeys so compelling that leads flow naturally from strangers to advocates, creating predictable revenue streams that don’t leak.

Business Growth

Watertight Wellbeing

Resilience lessons from someone who’s lived them

Life lessons from a “business hippy” who knows what it’s like to rebuild from setbacks. Learn how to face struggles with strength and dig into your inner resilience — because sustainable business growth requires sustainable people.

Bryony’s #1 Best-Selling Book

The Book That Delivers What Others Promise

Watertight Marketing; Second Edition

The business book that ambitious leaders actually implement

Finally, a marketing manual that works in the real world. While other business books gather dust, this one transforms companies. Page by page, you’ll discover how businesses have doubled, tripled, and hit that fabled 10x revenue using these exact frameworks.

What makes it different:

  • True stories, real results: Case studies from businesses that achieved extraordinary growth
  • No-fluff methodology: Practical frameworks you can implement immediately
  • Systems, not tactics: Build a marketing operation that works consistently
  • Common language: Equip your whole team with tools for confident marketing decisions

Grab a Free Sample (PDF)

Help yourself to a sample of the best-selling book here. No email required.

Watertight Marketing Book
Bryony Thomas Motivational Speaker
Bryony Thomas Motivational Speaker
Bryony Thomas Motivational Speaker
Bryony Thomas Motivational Speaker
Bryony Thomas Motivational Speaker
Bryony Thomas Motivational Speaker
Bryony Thomas Motivational Speaker
Bryony Thomas Motivational Speaker
Bryony Thomas Motivational Speaker
Bryony Thomas Motivational Speaker

‘This is THE marketing bible! A must have for all businesses serious about growth.’

Alison Edgar, MBE The Entrepreneurs' Godmother
Alison Edgar, MBE

“Watertight Marketing has utterly transformed our business. In year one, we doubled both turnover and profit. In year two, we tripled it!”

Hollie Brooks, Co-Founder Audenza
Hollie Brooks, Co-Founder

“There isn’t one bit of this book that isn’t useful. No matter how long you have worked in marketing.”

Amy Grenham Marketing Manager
Amy Grenham

“Practical, actionable and a proven method. What more could you want from a Marketing book?”

Chris Turner 
Chris Turner

“Excellent book with practical and achievable marketing advice for all SMEs”

Julie Peel Inspired Design
Julie Peel

“This is a brilliant and inspirational update not a new book”

Cheryl Crichton 
Cheryl Crichton

“The Best Marketing Book Out There. This book contains all the information you need in one place, and it does so in a way that is easy to understand and straight to the point with no jargon.”

Rachel Amazon Review
Rachel

“Watertight Marketing is a no-nonsense guide to help step up the marketing of your business in a truly different way.”

Christian Tait, Owner Creative Cadence
Christian Tait, Owner

“The best marketing book bar none. Looking at the entire customer journey from first awareness through to loyalty.”

Almira Ross 
Almira Ross

Enlightening, gave me clarity on the missing links

Lisa Flamingo 
Lisa Flamingo

“Everything you need to know about marketing in one place.”

Alison Edgar 
Alison Edgar

“The only marketing book you’ll ever need”

Kirsty I. 
Kirsty I.

“Applying Watertight Marketing is like having Marie Kondo organise the marketing clutter in your mind and business.”

Cara Sherliker Adeva Partners
Cara Sherliker

“Hands down the best book on marketing there is. There’s no fluff only easy to use, easy to implement ideas and concepts.”

Joe Leech MRJOE Ltd
Joe Leech

Great marketing guidance for businesses.

Tim Rylatt 
Tim Rylatt

“Bryony’s theory has revolutionised my thinking after 20 years in marketing.”

Alison Dowsett Blacktrace Holdings Ltd
Alison Dowsett

“I think it might be quite good.”

Colin Bryony's Dad
Colin

“This book has packed a huge punch for me. It has helped me structure my thinking – and doing – in a way that few other marketing thinkers or other books have.”

Deborah Kingsley, MD KPC Communication
Deborah Kingsley, MD

It all makes sense!!

Robs W 
Robs W

“I loved the book. We’ve actually enjoyed working through the materials – not least because it works!”

Dave Carr, MD EazyCollect
Dave Carr, MD

Grab a Free Sample (PDF)

Help yourself to a sample of the best-selling book here. No email required.

With Your Book

Free Video Course

When you have your book, grab our free course on ‘Getting the most from your book’

Starter Workbook

Download the starter workbook with one pen and paper exercise per chapter.

“Watertight Marketing is a no-nonsense guide to help step up the marketing of your business in a truly different way.”

Christian Tait, Owner Creative Cadence
Christian Tait, Owner

“This book has packed a huge punch for me. It has helped me structure my thinking – and doing – in a way that few other marketing thinkers or other books have.”

Deborah Kingsley, MD KPC Communication
Deborah Kingsley, MD

“Absolutely brilliant! I love this book. I’ve learned SO much, but at the same time, it’s such a good and pleasurable read.”

Hil Gibb 
Hil Gibb

“The best marketing book bar none. Looking at the entire customer journey from first awareness through to loyalty.”

Almira Ross 
Almira Ross

“Applying Watertight Marketing is like having Marie Kondo organise the marketing clutter in your mind and business.”

Cara Sherliker Adeva Partners
Cara Sherliker

‘This is THE marketing bible! A must have for all businesses serious about growth.’

Alison Edgar, MBE The Entrepreneurs' Godmother
Alison Edgar, MBE

Enlightening, gave me clarity on the missing links

Lisa Flamingo 
Lisa Flamingo

“I think it might be quite good.”

Colin Bryony's Dad
Colin

Great marketing guidance for businesses.

Tim Rylatt 
Tim Rylatt

“Watertight Marketing has utterly transformed our business. In year one, we doubled both turnover and profit. In year two, we tripled it!”

Hollie Brooks, Co-Founder Audenza
Hollie Brooks, Co-Founder

“Readable, Relatable, Practical”

Jim 
Jim

“I loved the book. We’ve actually enjoyed working through the materials – not least because it works!”

Dave Carr, MD EazyCollect
Dave Carr, MD

“Great way to integrate marketing with sales”

Sarah H. 
Sarah H.

“Hands down the best book on marketing there is. There’s no fluff only easy to use, easy to implement ideas and concepts.”

Joe Leech MRJOE Ltd
Joe Leech

“This is a brilliant and inspirational update not a new book”

Cheryl Crichton 
Cheryl Crichton

“Practical, actionable and a proven method. What more could you want from a Marketing book?”

Chris Turner 
Chris Turner

“Every small business owner should read this book”

Nicholas Taimitarha 
Nicholas Taimitarha

“Everything you need to know about marketing in one place.”

Alison Edgar 
Alison Edgar

“Bryony’s theory has revolutionised my thinking after 20 years in marketing.”

Alison Dowsett Blacktrace Holdings Ltd
Alison Dowsett

“Finding Watertight Marketing was a revelation and a relief.”

Dave James, MD Ascentor
Dave James, MD

Grab a Free Sample (PDF)

Help yourself to a sample of the best-selling book here. No email required.

With Your Book

Video Courses

Free Video Course

When you have your book, grab our free course on ‘Getting the most from your book’

Companion Workbook

Starter Workbook

Download the starter workbook with one pen and paper exercise per chapter.