Some companies sometimes use themselves as counterparty (barclays, investec as examples), however there are those who select another company as the counterparty (Meteor, Gilliat... may use the likes of Lloyds or Rabobank)... as examples. These types of plans tend to change / get updated on a regular basis, so best to wait until you think you have the best coupon and counterparty. In all cases you need to speak to an adviser, and preferably an independent one.