Plumbing business startup checklist: every step, in order

Plumbing is a compulsory trade in Ontario, Alberta, Saskatchewan, Quebec, New Brunswick, Nova Scotia, and PEI — you must be certified or a registered apprentice to do the work. In BC, Manitoba, Newfoundland and Labrador, and the territories, certification is voluntary but expected.

70% to pass. The Red Seal endorsement lets you work in any province or territory without re-certifying.

Most one-truck operations start as a sole proprietorship — cheapest and simplest. Incorporate later when revenue or liability warrants it.

$40 to $60 depending on the province — roughly $60 through the Ontario Business Registry; BC is $40 registration plus a $30 name request.

Free through the CRA's Business Registration Online. You will need it for taxes and payroll.

Mandatory once taxable revenue passes $30,000 over four consecutive calendar quarters; voluntary below it, which lets you claim input tax credits.

Most cities require a business licence for contractors — fees and rules vary by municipality.

The standard ask — general contractors and property managers often require proof before hiring you. Roughly $45/month as a solo operator; get three quotes.

Commercial vehicle insurance for the work truck or van.

Your livelihood rides in the back of the van.

WSIB in Ontario, WCB elsewhere — the moment you hire anyone, including apprentices.

Your rate must cover your wage, vehicle, insurance, tools, accounting, slow weeks, and tax — then profit on top. Underpricing to "get your name out" trains customers to expect unsustainable rates.

Then adjust your pricing. New plumbing companies most often fail on pricing, not plumbing.