Gain Theory is a marketing effectiveness consultancy empowering smarter, agile, data-informed cultures.

Marketing is an important engine for business growth. Good marketing delivers business growth. Excellent marketing delivers sustainable business growth. Studies have shown that excellent marketers make more decisions grounded in facts.

Across six continents, we are united by a common mission: to empower informed marketing decisions, by more people, more often.

Using data, analytics and technology, our consultants help marketers improve marketing performance, delivering growth in profit and market share.