JICMAIL reach and frequency data now has over 150,000 individual mail data points to report on. 

Launched in 2017, it has been delivering industry gold-standard data for over three years.  At the request of JICMAIL in 2018, Royal Mail agreed to amend its Advertising Mail terms and conditions to allow the sharing of volume posting data, by brand, with Nielsen.  Nielsen is a global measurement and data analytics business supporting the industry with channel data for all media channels.  

Take a look at this useful presentation which explains why circulation is such a vital element of building the case for mail.