From Ethical Consumer, a but off topic but not good reading:
"Cocoa sourcing rating
Due to the child labour issue, all companies who were deemed to have insufficient policies on cocoa sourcing lost half a mark in our ethical scores under Workers’ Rights.Companies were rated as follows:
Sufficient cocoa sourcing policies:
Cocoa Loco,Lindt,Traidcraft,Equal Exchange, iChoc, Vivani, Ritter Sport,Plamil,Lidl,Divine,Tony’s Chocolonely,Fairafric,Vego,Beyond Good, Chocolate Madagascar,Pacari,Co-op,Moo Free,Willies, Ombar, Mia.
Insufficient cocoa sourcing policies:
Ferrero,Mondelez(Cadbury, Green & Blacks),Mars, Biona,Tesco,Marks & Spencer,Waitrose,Nestlé,Aldi,Hershey’s,ASDA,Morrisons,Sainsbury’s,Hotel Chocolat,Guylian,Godiva,Booja Booja,Seed and Bean,Montezuma."