Group structure and Loan Account

All,

I could do with some dummy proof assistance on this one.

We operate a group structure with a holding company and a trading company.

The holding company then loans the trading company funds, and when the trading company is paid by clients it then repays the loan and this continue to circulate this way, this is how our accountants have advised we proceed our trade due to the future expansions we intend to make to the business.

So my question is how do I operate a loan account at the trading company end for this through CB?

The loan in money goes into the trading company current account and is then spent on bills the trading company has (i.e suppliers/ contractors etc) when the trading company is paid (also into the current account) lumps are sent back to the holding company in repayment of the loans received.

How do I then account for these imported transactions (Loans in) into the current account, transfer them across to a loan account to create an accurate balance in the loan account and then transfer the money back into the current account to be spent on bills?

I am slightly baffled and out of my accounting depth with this one and would really appreciate a 1,2,3 guide on how I can proceed and keep everything accurate.