Company email (September 2014):
"All of our beers are vegan, and we have just beeen re-certified by The Vegan Society for 2014-2015."
Vegans Society UK Accreditation Page:
http://www.vegansociety.com/trademarkdetail.aspx?id=009161
"Pitfield Brewery produce a range of vegan bottled beers including organic beer and a historic range of beers brewed to old recipes."
Pitfield 1792 Imperial Chocolate Stout
Vegan
This product is listed as vegan friendly.
What the company told us
Correspondence on record, with the date of each entry.