Persuasion & consumer psychology · law 055
Unity Principle
By Shivam Bhandari · Reviewed 31 October 2026 · How we write
what it means
People are more influenced by those they see as part of their own group — a shared identity of ‘we’.
How Unity Principle works
Unity goes beyond liking. It is about shared identity — family, region, language, profession, or values. People trust and support those they see as ‘one of us’.
Brands use unity when they build communities around shared identity and values, not just products.
where it comes from
Robert Cialdini added unity as a seventh principle of persuasion in his 2016 book Pre-Suasion.
Unity Principle examples in business
Regional brands
A Punjabi food brand uses language and culture that make customers feel it is ‘ours’.
Communities
A fitness brand builds a running community where members identify as part of the tribe.
Founders
Industry insiders who become founders win early customers who share their background.
How to apply it
- 1Define the identity your best customers share.
- 2Speak their language — literally and culturally.
- 3Build community spaces (events, groups) around that identity.
- 4Show that your team shares the identity too.
common misreading
Unity can easily become exclusion. Build belonging without insulting outsiders.
ask yourself
What shared identity do your best customers have — and does your brand speak to it?
put it into practice
Frequently asked questions
What is Unity Principle?
People are more influenced by those they see as part of their own group — a shared identity of ‘we’. Unity goes beyond liking. It is about shared identity — family, region, language, profession, or values. People trust and support those they see as ‘one of us’.
Who came up with Unity Principle?
Robert Cialdini added unity as a seventh principle of persuasion in his 2016 book Pre-Suasion.
How do you apply Unity Principle in business?
1. Define the identity your best customers share. 2. Speak their language — literally and culturally. 3. Build community spaces (events, groups) around that identity. 4. Show that your team shares the identity too.
What is a common misunderstanding of Unity Principle?
Unity can easily become exclusion. Build belonging without insulting outsiders.