About us

We’re on a mission to help shoppers make better buying decisions

Woman with afro hair and a green top looking towards her phone with social proof messaging featured, such as "97% of customers rate this 5 stars of value", and "40 people bought next day delivery in the last 24 hours"

We’re experts in social proof

Building greater customer engagement, increasing sales and return on investment using our expertise in social proof.

Our Solutions

Leading the field

From start-up in 2013 to the leader in social proof still today, Taggstar has some of the world’s largest brands and retailers as customers.


Launched Social Proof Messaging


Launched 'Last Purchased Time' Social Proof message


Launched 'Trending' Social Proof messages


Launched Global Social Proof messaging


Launched 1-2-1 social proof personalisation messages on PDP

World first real-time Social Proof messages in dynamic emails with Movable Ink for The Very Group

Integration of aggregated review messaging with BazaarVoice into Social Proof messaging


Deployment of Social Proof messaging in native app
Over 1 Billion API requests per month


Launched 1-2-1 Social Proof personalisation messages on PLP


Launched Social Proof Machine Learning feature


Launched Social Proof Recommendations

Customer stories

Taggstar in numbers


Messages per month


Conversion rate uplift


Websites & Apps



“We’re recognised as the global leaders in enterprise social proof. We pioneered it in 2013 and it is at the heart of everything we do.”

Marjorie Leonidas, CEO Taggstar

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We understand your

Our diverse backgrounds, skillsets, and ability to innovate by listening to our customers needs, allow us to continue leading the way in social proof.


The people behind Taggstar

Marjorie Leonidas

Chief Executive Officer

Andy Lucas

Chief Technology Officer

Peter Buckley

Chief Revenue Officer

Alison Wiltshire

Global Marketing Director

Ayowande Adeniji

Head of Professional Services & Support

Meet our board

Fraser Robinson

Founder, Board Director

George Robinson

Founder, Board Director

Robert Hissom

Board Member

Marjorie Leonidas

Board Member

Giving Back

Giving back to the community is as important as winning business for Taggstar and we support a range of charities and amazing causes.

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The Marylebone Project

A 10-mile walk across thirteen of the icon London bridges over the Thames in aid of the Marylebone Project, raising £11,000.

Learn more
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Make A Difference Foundation ("MAD")

Supporting MAD, with a donation towards transporting food, clothing and medical supplies to Ukraine.

Learn more
Four people being photographed with a cheque donation of £4,096 outside of the Thames Hospice building

Thames Hospice

We’ve supported the Thames Hospice with Team Taggstar participating in a recent Tough Mudder event.

Learn more

Want to know how much revenue we will
deliver for you?

Calculate the impact social proof will have on
your conversion rate and revenue.