Don't panic - a suspense balance is extremely common, and at just under £400 it is almost certainly one or two unallocated items rather than a problem with your books as a whole. But it does need clearing, ideally before year-end, because a suspense account is a holding pen, not a proper destination for transactions. What it means: double-entry bookkeeping requires every transaction to balance. When your software (or you) cannot yet work out where one side of an entry belongs, it parks the amount in the suspense account so the books still balance. It is a sign of an incomplete entry, not an error in itself. The usual reasons a balance ends up there: - A bank payment or receipt that has not been matched or allocated - very common with bank feeds. - An opening balance or brought-forward item posted during setup that was never allocated to a proper account. - A journal with a missing or wrong nominal code, where the software posts the difference to suspense to keep the entry balanced. - Part-paid invoices, duplicate entries or small rounding differences left over after allocating payments. How to clear it: open the suspense account ledger in your software and look at each transaction making up the balance. For each one, find the bank statement line, invoice or journal it relates to and re-code it to the right nominal account - most software lets you do this from the suspense account screen or through the bank reconciliation. Work through every line until the balance is zero. The year-end rule: the suspense account should be nil in your final accounts. Your accountant needs clean books to prepare the statutory accounts, and unexplained balances do not belong in them. Clear it now, and build a habit of reviewing the suspense account monthly - anything still sitting there after a month deserves investigation while the paperwork is fresh.