About us

We’re on a mission to empower retailers with innovative messaging solutions delivering compelling online conversion rate uplift & ROI

phone showing social proof messaging examples

We’re experts in conversion rate optimisation

Taggstar elevates online shopping with real-time, data-driven messaging, helping shoppers make faster and more informed purchase decisions.

Acting as a virtual shopping assistant, our AI-powered Conversion Messaging platform delivers Social Proof, Attribute Messaging and Dynamic Badging at key moments across the shopping journey.

Trusted by global brands, Taggstar turns hesitation into conversions, reducing abandonments, and boosting sales with statistically proven ROI.

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
Created Taggstar Inc. our US subsidiary
Launched Social Proof Pro Plan for speciality retailers

2025

Launched Dynamic Badging
Launched AI Merchandiser

Customer stories

Taggstar in numbers

10bn

Messages per month

20%+

Conversion rate uplift

100+

Websites & Apps

16

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

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.

The Marylebone Project

A 10-mile walk across thirteen of the icon London bridges over the Thames in aid of the Marylebone Project, raising over $12,000.

Learn more

Make A Difference Foundation ("MAD")

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

Learn more

Thames Hospice

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

Learn more

Unlock the potential of Taggstar
Take the first step toward higher conversion rates!

Contact us