Software

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 Act

Construction Invoicing Software

Proper invoices that start the 28-day payment clock, with province-aware GST/HST/PST/QST applied automatically.

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CRA compliance

T5018 Software

Track subcontractor payments against the $500 threshold and get filing-ready figures before the June 30 deadline.

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Construction Act

Holdback Software

Statutory holdback by province, tracked per contract, including Ontario's 2026 annual-release dates.

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Liens

Construction Lien Software

Lien preservation deadlines by province, with alerts at 14 and 7 days before the date passes.

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