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Gain Theory, A Global Foresight Consultancy

We accelerate growth for ambitious brands

We are a global marketing effectiveness and foresight consultancy with expertise in data, advanced analytics, and technology. We empower smarter, data-informed marketing investments.

Forrester Wave Leader 2023

Gain Theory named a Leader in The Forrester Wave™:

Marketing Measurement and Optimization, Q3 2023.

$
21
bn

in client value generated

50

years of experience

910

client recommendation score

We work with ambitious brands

Doordash logo Beauty Pie logo
Reckitt logo Funding Circle logo
dfs logo General Mills logo
Ahold Delhaize logo Doordash logo
Dr Oetker logo IG logo
Purina logo dfs logo

What we think

Advertising and media  | 29 May 2025

Marketing Effectiveness Unlocked: Introducing Gain Theory’s AI-powered podcast

Read more about Marketing Effectiveness Unlocked: Introducing Gain Theory’s AI-powered podcast
Data and analytics | 22 May 2025

How Australian CMOs are building a culture of effectiveness with data-driven decisions

Read more about How Australian CMOs are building a culture of effectiveness with data-driven decisions
Advertising and media  | 22 May 2025

Standard Chartered: How marketing builds trust and positions itself as a growth engine

Read more about Standard Chartered: How marketing builds trust and positions itself as a growth engine
Advertising and media  | 21 May 2025

Retail media: Why advertisers need to address how different teams collaborate to ensure success

Read more about Retail media: Why advertisers need to address how different teams collaborate to ensure success
Foresight | 1 May 2025

Why data-informed foresight is key to conquering economic chaos

Read more about Why data-informed foresight is key to conquering economic chaos
Data and analytics | 17 December 2024

Is your marketing effectiveness program built to last? 5 questions you need to ask

Read more about Is your marketing effectiveness program built to last? 5 questions you need to ask

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Using our award-winning solutions, you can:

Focus on measuring what matters

Increase speed and quality of insights

Create value over the short and long term

Interested in our
award-winning solutions?

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Meet our people

Shawn O’Neal | Gain Theory Americas CEO

Meet our people

Shawn O’Neal

Americas CEO

Shawn discusses why marketers shouldn’t let uncertainty hinder decision-making, the impact gen AI is having on brands, and why he follows the work a University of Oxford don.
Read more about Shawn O’Neal
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