Share 'Little nice shops in London selling chocolate bars'

Hi everybody, in about ten days I'll be in London for a week. I would like to present my chocolate bars to shops that could be interested in sell it. (please see: http://www.firstflora.eu/en/FirstFlora/Coffee-and-chocolate.html ) Could anybody suggest me some contact to visit? Actually I sell in Italy and Spain in little organic/non organic shops and little grocery stores. The product is organic…