Your company will want to know details of all current debts you have - have you looked into an IVA yet?
You could speak to a company for free advice, Andy Davie/Vincent Bond are worth a look. Give them a ring.
Sharing from experiences of dealing with debt
The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.
Bob Marley. http://kallis3.blogs.iva.co.uk
It only matters as to what is relevant. No one will pore over years of records but any IP firm will want to know some history so there is an explanation for creditors of what happened. It is all very straightforward.
All of your debt is taken into account but we don't go nosing through your Bank statements, except maybe the last 6 months to confirm that your Income & Expenditure disclosed looks reasonable.