
E-COMMERCE GROWTH, GROUNDED IN FINANCIAL REALITY
A growth agency and educational platform for DTC brands.
We integrate finance and marketing so you know (like, actually know) whether your growth is profitable and sustainable.
OUR PHILOSOPHY
Marketing and finance are not separate disciplines. They are two views of the same system.
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Your business is a network of interconnected variables. Improvements in one area only become meaningful when you understand how they affect the system as a whole.
Our approach integrates finance and marketing because we believe marketing performance must be understood in the context of financial impact.​ When the two are integrated—not siloed—growth becomes something you can see, measure, and trust.
TOM SANTAGATO
Founder, FourThree Media
I'm a husband, a father of three and a former athlete turned finance guy turned e-commerce strategist — life takes some interesting turns, doesn't it?
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After competing at the collegiate and international levels, earning degrees in education and finance, and spending several years working on Wall Street, I found myself unfulfilled with what my day to day had become. In 2017, I launched FourThree Media and the rest, as they say, is history.
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Everyday I get to wake up and work toward making things better than they were the day before for individuals and businesses that had the courage to bet on themselves. I love what I do.

PUBLISHED WORK
MARGIN OF GROWTH:
Master the Math That Powers Sustainable
E-Commerce Growth
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The metrics that determine whether your business thrives aren't in your ad platform—they're in the relationship between your marketing and your finances.
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This book teaches the essential math behind sustainable e-commerce growth: contribution margins, break-even ROAS, customer acquisition costs, payback windows, and cash flow. The frameworks that connect what you spend to what you keep.
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Every business has a margin of growth—the space between where you are today and how far you can scale before the economics start to strain.
Understanding that space is the difference between growth that compounds and growth that costs you. This book shows you how to find it, measure it, and expand it over time.









