Why do contractors need job costing in their bookkeeping?
A contractor's P&L can show a healthy profit while half the jobs lose money, because the winners cover the losers. Job costing fixes that. Every invoice, material purchase, sub payment, and labor hour gets tagged to a job, and at month end you see gross profit per project. Over a year, that tells you which job types, customers, and crews are actually profitable. Most contractors we onboard are surprised by what they find.