Impetus is a long running distributor and label for improvised music in the U.K. Although active for a few decades, and for a while prominently advertising in magazine like The Wire, they have a reputation for not paying the people who supply them with records. I myself have never gotten payment for a shipment of records I sent them in August of 2003. When talking to other labels in the U.K., I found that many refused to deal with them any more for similar reason and/or were owed money by them as well.