Other than manually adding costs to a WIP current asset account for each contract and tracking job profitability by customer:job here are a couple of ideas. One is Projects, built in but only available in QBO Plus and Advanced (you did not say what version you use) Introducing QuickBooks Projects: An Easy Way to Track Your Projects - QuickBooks (intuit.com) another is one of many apps on the quickbooks app store Connect Tradify with QuickBooks Online - Intuit