Debt collection and debt recovery sound like they have the same meaning, but there is a subtle difference. Debt collection involves general measures taken to recover money owed by late payers. This might include telephone calls, reminder statements, specific ‘collection’ letters that request payment, or a pre-court ‘Letter Before Action.’
Debt recovery, on the other hand, is the recovery of a debt after it has been written off in a company’s accounts. So let us take a closer look at each of these terms.(http://collectionagencies.expertmarket.co.uk/What-is-the-Difference-Between-Debt-Collection-Debt-Recovery).