Assuming you have posted everything to the correct accounts, the Trial Balance should be all they need. (Trial balance is a summary of the total on each account

Assuming you have posted everything to the correct accounts, the Trial Balance should be all they need. (Trial balance is a summary of the total on each account - checking that it sums to 0 is the key advantage of double entry book keeping.) If it doesn't, then perhaps the account structure isn't granular enough? For the report you use, why don't you send a traditional general ledger and let them pivot it in excel by account (columns) and transaction number (rows)?