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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.

2013

Launched Social Proof Messaging.

2014

Delivered 200 million messages a year.

2015

Launched 'Last Purchased Time' Social Proof message.

2016

Launched Analytics & A/B Testing.

2017

Launched Global Social Proof messaging.

2018

Launched social proof personalisation messaging.
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.

2019

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

2020

Launched Machine Learning optimisation.

2021

Entered the US market.
Delivered over 5 billion API requests a month.

2023

Launched Attribute Messaging.

2024

Delivered 100 billion messages in the year.
Launched Social Proof Pro Plan for speciality retailers.

2025

Launched Dynamic Badging.
Launched AI optimisation.

Customer stories

Taggstar in numbers

10bn

Messages per month

20%+

Conversion rate uplift

100+

Websites & Apps

14

Languages

“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

Argos logo
Debenhams logo black
Fabletics
Hallmark logo
Kurt Geiger
Radley logo
Very Group logo

We understand your
challenges

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

Industries

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

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

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