Practical solutions for plumbing and mechanical contractors — built by a fourth-generation plumber who has run the work. Estimating, customers, margins, field capture, and parts, in one place.

Software that helps your company grow and thrive.

Person working at a computer in a workshop setting

Solutions

Ask John™

the contractor’s workspace: estimates, invoices, schedules, and field capture.

Smooth Estimator™

drawings in, takeoff out. Estimates in minutes, not nights.

WrenchDex™

the CRM that builds itself from the work you already do.

MarginMap™

revenue, margins, close rate, and forecast from your portal work.

TradesIP™

field capture, built into the Ask John portal.

PlumbPrint™

printable parts, built into the Ask John portal.

John A. Mullen is a fourth-generation plumber, CEO and founder of ConTech Consulting, and a published author and technical columnist. Throw a Wrench in Your Plans is a brand of ConTech Consulting. He builds software for the trades from experience running the work — from the field to the front office.