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Physiotherapy clinic payroll: kins, split shifts, and the real contractor line
The classification question in a physiotherapy clinic is narrower than most owners think: it is only genuinely open for treating physiotherapists. Kinesiologists, physiotherapist assistants, and the front desk work your schedule, with your equipment, on your patients — they are employees. What makes physio payroll distinctive is the shape of the week: split shifts around morning and evening peaks, part-timers stacked across roles, and benefits doing retention work that wages alone can't.
By the AnalytIQ Accounting team · Last reviewed: August 12, 2026
Only one role carries a live contractor question
Kinesiologists and PTAs deliver exercise programs and treatment support inside a physiotherapist's plan of care, on clinic hours, with clinic equipment — that is employment, whatever the offer letter said. The same goes for reception and billing admin. Treating physiotherapists are the only role where self-employment is even arguable, and the argument rests on their own College registration, their own liability coverage, caseloads at more than one clinic, and genuine control over their days. A clinic that has been paying its kins on invoice is usually sitting on retroactive CPP and EI for both shares, plus penalties — and the cheapest moment to fix it is before a departing kin applies for EI and triggers a ruling.
Insurer billing pulls the money through the clinic
Physio revenue rarely touches the therapist's own bank account first. Extended-health direct billing runs under the clinic's setup, and auto-insurance treatment flows through HCAI under the clinic's FSRA service-provider licence. That means the clinic collects and the PT is paid out — a structure that looks like employment unless the rest of the file says otherwise, so the contractor evidence has to come from registration, insurance, multi-clinic practice, and schedule control. For a genuinely self-employed PT, the payout is fees for services: a T4A with box 048 if they practise personally, ordinary invoices if they bill through a professional corporation. Physiotherapy itself is HST-exempt, so no HST rides along on the split.
The employee core of the clinic — kins, PTAs, admin — runs on standard rails: an RP payroll account under the clinic's business number, withholdings through software that handles part-timers well, and T4s out in February. What a split-shift clinic needs beyond the defaults is a time system that records blocks rather than days, because every rule in the next section keys off recorded hours.
Split shifts and the ESA, scenario by scenario
Physio clinics peak before work and after it, so 7-to-11 and 3-to-7 scheduling is normal — and it collides with employment standards in specific, predictable places.
| Scenario | What Ontario's rules say | What payroll does |
|---|---|---|
| Evening block cut to 90 minutes after cancellations | An employee who regularly works more than three hours and is sent home early gets three hours' pay | Top-up to three hours at the regular rate |
| Two four-hour blocks, five days a week | Overtime starts after 44 hours in the week — there is no daily trigger | Straight time at 40 hours; watch weeks with a sixth day |
| Part-time kin scheduled on a stat holiday | Holiday pay is the prior four weeks' wages divided by twenty, plus premium pay or a substitute day | Verify the software applies the formula, not an assumption |
| Midday gap between blocks | The unpaid gap is not hours worked | Two clock-ins per day so the record matches reality |
None of this is exotic — it just needs a payroll setup that expects split days instead of fighting them.
Benefits that keep physios without blurring status
In a tight PT labour market, benefits often decide who stays. For employees the tax treatment is friendly: employer-paid health and dental premiums are not a taxable benefit, while group life premiums are, and land in box 40 of the T4. The trap is generosity across the line — putting contractor physiotherapists on the employee benefits plan undermines the very status you are relying on and usually puts you offside the insurer's eligibility terms, since most group policies cover employees only. If a self-employed PT wants coverage, price it into the split and let them buy their own, or let their professional corporation run a private health services plan. For employees, a group RRSP with employer matching is the middle path we see most — the match is taxable pay, but it retains like a benefit and needs no medical underwriting.
Owner pay, and the PT who heads south
Practising through a physiotherapy professional corporation makes your own pay the usual salary-dividend model — salary for RRSP room and CPP, dividends for flexibility, and no EI either way once you hold more than 40% of the votes. Only physiotherapists can hold shares in the PC, so family income planning runs through documented salaries for real work, not dividends. And if a US travel-PT contract on a TN visa is in your future — or one of your therapists' — the payroll consequences stop at the border but the tax ones don't; our cross-border guide for physiotherapists picks up there.
Source: Ontario — Your guide to the Employment Standards Act.
Common questions.
Are the kinesiologists at my physio clinic contractors?
Almost never. Kins work clinic hours, on clinic equipment, delivering programs inside a physiotherapist's plan of care — that is employment, and paying them on invoices leaves both shares of CPP and EI exposed.
Do split shifts create daily overtime?
No. Ontario overtime is weekly — time and a half after 44 hours — so two four-hour blocks a day stays straight time. The rules that do bite are the three-hour minimum on shortened shifts and public-holiday pay for part-timers.
Can I put contractor physiotherapists on the clinic benefits plan?
You shouldn't. Employee benefits are strong evidence of employment, and most group policies only cover employees anyway. Price the split so self-employed PTs can buy their own coverage.
Related reading
A week of split shifts, paid right.
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