Most excavation contractors find out a job lost money after it's done. By then it's too late. GroundMargin gives ground-disturbing trade contractors real-time job costing so you know your margin while you can still act on it. Built on 35+ years of real excavating experience. ✦ Describe any job in plain English → AI cost estimate in seconds ✦ Track costs against estimates in real time ✦ Built-in trade vocabulary Try the free AI estimator — no login required.