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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

What we think

Data and analytics | 17 December 2024

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

Advertising and media  | 21 November 2024

Profit Ability 2: Three key takeaways that prove advertising really is effective

Advertising and media  | 4 November 2024

Unlocking creative effectiveness: How to bridge the gap between creativity and analytics

Measurement strategy  | 11 October 2024

Let’s get real, marketing effectiveness requires much more than a trendy new MMM

Advertising and media  | 20 August 2024

It’s time to re-evaluate how we measure creative effectiveness

Data and analytics | 22 July 2024

How advanced marketing measurement can drive revenue growth

Want to know what our industry-leading experts have to say?

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?

Start exploring

Meet our people

Kelly Manning | Gain Theory Business Development Director

Meet our people

Kelly Manning

Business Development Director, North America

Kelly discusses her reasons for joining Gain Theory, the most important question marketers should be asking themselves, and the continued importance of linear TV to media strategies.

Download our exclusive new report