Free Commercial Tools for Trade Subcontractors
Interactive calculators built by a working subcontractor director. Use them to size your commercial risk before a builder hands you a back-charge or rejects a variation. No sign-up required.
Payment Claim Date Calculator
Security of Payment dates for NSW, VIC, QLD and WA: payment schedule deadline, payment due date, adjudication windows — in each Act’s business days.
Open tool →Back Charge Risk Calculator
Estimate your annual back-charge exposure in 60 seconds. Inputs include project value, scope documentation, and back-charges received.
Open tool →Variation Cost Estimator
See how much margin is leaking through unapproved variations. Adjust contract value, approval rate, and labour rate to size the risk.
Open tool →Templates
Free downloadable site paperwork templates — print them or fill them in Excel. No sign-up required.
Day Labour Docket Template
Record crew, hours and materials for out-of-scope work, signed by the builder on the day. PDF + Excel download.
Get the template →Site Diary Template
Daily record of crew, conditions, delays, instructions and photos. The record made on the day is the one that holds.
Get the template →Toolbox Talk Template + Register
Run the talk, record the key points and hazards, and get every attendee to sign the register.
Get the template →Variation Notice Template
Notify variations in writing before the work: instruction, scope change, price basis, cost and time impact.
Get the template →TradeControl provides commercial support tools only. It does not provide legal advice.