Marketing Strategy & Planning

Enabling world-class marketing operations for established businesses

Watertight Marketing is a multi-award-winning business growth methodology used by thousands of businesses to double and triple their profits. Watertight Marketing stops you from leaking profit and helps you to secure sustainable and scalable sales.

“Ellen’s knack for big picture strategy has always impressed me. She joins the dots on how marketing techniques combine to deliver real commercial results. Thoroughly recommended.”

Bryony Thomas
Author & Founder | Watertight Marketing

Watertight Marketing Book

Award-winning book

If you are new to Watertight Marketing, reading the second edition of Watertight Marketing is a great place to start. You can download a free sample of the second edition.


As a Watertight Marketing Certified Practitioner, Ellen Carroll from Nellie PR & Communications is trained and approved in using the Watertight Marketing™ methodology. One of the very first people to do the Watertight Marketing Masterplan, Ellen has undertaken rigorous training and assessments to become certified to use the methodology and tools with Nellie PR & Communications clients.

Benchmark your marketing

Does your marketing have the foundations to support healthy sales? Take the test to find out and get your results in less than 10 minutes to guide you towards more profitable sales.

How Watertight Marketing can help

Watertight Marketing with Nellie PR & Communications will transform your marketing and deliver long-term, profitable sales results, We help you to benchmark your marketing, find your focus audience, map your marketing activity plan with your marketing mapped to every step of a sales journey, resource, budget and measure your marketing, align marketing with your business plan.

Ellen works directly with CEOs, MDs, business leaders, and those responsible for marketing and sales to:

Audit andplan

Audit and

Using Watertight Marketing diagnostic tools to review your current marketing operation, prepare a prioritised action plan, or a larger engagement to create your strategic marketing plan and activity plan.


Train and

Running workshops, webinars, expert-led marketing transformation programmes, and bespoke training for you and your team. We run facilitated sessions and mentor your team in Watertight Marketing.



Working with you in a retained capacity to act as the marketing strategist for your business, using the Watertight Marketing framework and toolkit – bringing in our vast experience.

Touchpoint Leaks on a Sales Funnel