You may require a full bookkeeping service or you may have your own bookkeeper recording the business transactions and only require help at month end reconciling the ledgers
Bank accounts regularly reconciled.
Purchase ledgers need to be accurately recorded and supplier statements reconciled to ensure payments are correct and made on time to avoid any delays in supply.
Sales ledgers also need to be up to date, accurate and payments received on time to help cash flow.
Month end reconciliation of all ledgers ensure records are accurate and costs and vat transactions are correctly reflected in the accounts