Software for the Canadian construction rules other tools ignore
Most invoicing and accounting tools were built for general business or the US market. Markup is built around the Canadian compliance primitives: the Construction Act, T5018, statutory holdback, and lien deadlines, bundled into one app.
Construction Invoicing SoftwareProper invoices that start the 28-day payment clock, with province-aware GST/HST/PST/QST applied automatically.Construction ActT5018 SoftwareTrack subcontractor payments against the $500 threshold and get filing-ready figures before the June 30 deadline.CRA complianceHoldback SoftwareStatutory holdback by province, tracked per contract, including Ontario's 2026 annual-release dates.Construction ActConstruction Lien SoftwareLien preservation deadlines by province, with alerts at 14 and 7 days before the date passes.Liens