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Read the latest case studies, insights and featured articles for businesses working with Which?

Case studies

Our insights, your success

How Which? drives consumer trust and sales growth for Heatable

Since joining the Which? Trusted Trader scheme, the home energy installation company has gone from strength to strength

A Which? Best Buy licence gave AEG an 800% return on investment

The brand purchased a Best Buy licence for one of its tumble dryers, a model that impressed Which? experts during rigorous testing

Which? taste tests help brands build consumer trust and stand out

Whether it’s a shock win for a lesser-known brand or a supermarket’s own-label product beating a big name, our tests generate serious buzz

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Featured

Find out about our campaigns and impact work

The Power in You – Which? empowers consumers with new brand platform

Because we all have the power to choose wisely

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