You can setup Inventory Items for services you provide for customers so that they can be billed easily.

• Go to Main Menu > Items add icon
• Enter an Item Code and an Item Description.
• Tick ‘I Sell This Item’ check box.
• Enter the RRP, this would be the amount you charge per hour or day etc.
• Select the appropriate ‘Income Account’.
• Select the appropriate ‘Tax Code’.
• Click ‘Save and Close’.

When you are entering an Invoice for a customer, select the Item Invoice layout. You would then be able to select the above inventory item you saved from the Inventory Items List. Simply enter the number of hours you spent as the ‘Quantity’ and the total amount owed by your customer will be calculated automatically. For each line item you add in the invoice you could have a description such as the tasks you did within those hours etc.