Small firms from across South Wales will be put on the map by the Small Business Saturday campaign, as it unveils a nationwide roadshow to support and celebrate the nation’s small businesses as they face mounting challenges over the winter. Marking ten years of the campaign in the UK, Small Business Saturday’s Tour will arrive in Cardiff today, 18 November and will go on to visit independent businesses across the city, spotlighting local business owners and community leaders. Once again supported by BT…