Had no direct dealings, but heard bad things, I would recommend a check around first
How can you talk about anyone's business when you haven't used them
I heard about Hitler, I would recommend checking first, heard he`s a bad lad. I`ll pop around and check.
If quite a few people say someones no good, I tend to go with the flow. Thats how you talk about anyone`s business, also Cowboy Builders on tv recommend getting other people experiences, so "Dont get done, get DOM"