The GST/HST quick method lets a registered business remit a flat percentage of its taxable sales instead of tracking the tax paid on every expense. For a health clinic it only ever touches the taxable side: massage fees, product sales, insurance and medico-legal work. Exempt treatment income sits outside it completely. It often leaves a service-heavy taxable stream with real money, and it can just as easily cost a retail-heavy one.
Clinics hear about the quick method from colleagues in other industries and assume it either applies to everything they earn or to nothing. Neither is true. Because most health practices mix exempt treatment with a smaller taxable stream, the quick method question here is narrower than the generic advice suggests, and the answer turns on arithmetic, not opinion.
What the quick method actually changes
Nothing changes on the invoice. You still charge 13% HST in Ontario on your taxable sales, and your patients and payers see exactly what they saw before. What changes is what you send to CRA. Instead of remitting everything you collected minus input tax credits on your expenses, you remit a flat percentage of your tax-included taxable sales. For a service business in Ontario that rate is 8.8%, and CRA grants a 1% credit on the first $30,000 of those sales each fiscal year.
The trade is simple: you keep the spread between the 13% you collected and the flat amount you remit, and in exchange you give up input tax credits on day-to-day expenses. Credits on capital purchases survive, so a new treatment table or clinic renovation is still recoverable. One more detail people miss: the spread you keep is business income, so it gets taxed like the rest of your earnings.
Why clinics are a special case
The quick method applies to taxable activity only. If you run a mixed practice, your exempt treatment income is invisible to it in every direction.
Treatment income: untouched
Physio, chiro, psychology, and other exempt care never enters the quick method calculation. It does not count toward the eligibility limit and no remittance rate is ever applied to it.
Where the method lives
Massage fees, dispensary and product sales, insurance assessments, and medico-legal reports. This is the only income the flat rate touches.
Eligibility works the same way. The method is open to businesses whose worldwide taxable sales, tax included and combined with any associated businesses, stay at or under $400,000 a year. Exempt income does not count toward that limit, so a large clinic billing $700,000 in exempt treatment with $60,000 of taxable work can still qualify. And while CRA bars certain professions from the method entirely, that list is accountants, bookkeepers, lawyers, financial consultants and their kin. Health practitioners are not on it.
When it leaves money in your pocket
The method favours taxable income that is mostly labour. Take an RMT billing $80,000 a year in massage fees. She collects $10,400 of HST. Under the quick method she remits 8.8% of the tax-included $90,400, about $7,955, and the 1% credit trims another $300 off. She keeps roughly $2,700 of the tax she collected. If the HST she paid on taxable-side expenses would have produced less than that in input tax credits, which is typical for a practitioner whose main input is her own hands, the quick method wins every year it runs.
The same logic holds for the report-writing side of an exempt practice. A psychologist with a steady flow of taxable insurance assessments has almost no expenses that belong specifically to that stream, which makes the flat rate an easy win once registration is required. If you are not sure when that point arrives, the $30,000 registration threshold works on the same taxable-only counting.
When it backfires
The picture flips when your taxable stream is built on things you buy. A dispensary-heavy clinic purchasing supplements, braces, and retail inventory pays real HST on those purchases, and the quick method takes those credits away. CRA publishes lower remittance rates for businesses that mainly resell goods, but the trade-off can still land against you, and the right rate depends on how your taxable sales break down.
Timing matters too. The election is made on a CRA form with a deadline tied to your filing schedule, and once you are in, you are in for at least a year. Choosing it in a year when your cost structure is about to change, say a planned dispensary expansion, locks in the wrong answer. This is a decision to price out with a full year of your own numbers before you commit.
FAQ
Does my exempt treatment income count toward the $400,000 limit?
No. The limit is measured on taxable sales only, tax included, along with any associated businesses. Exempt health care income is excluded from the count.
Do my patients pay anything different if I elect the quick method?
No. You still charge the full 13% on taxable services and products. Only the amount you remit to CRA changes.
Can I use the quick method if my clinic is entirely exempt?
There is nothing to elect. If every dollar you earn is exempt treatment income, you are not registered for HST and the method has no income to apply to.
Wondering whether the flat rate beats your input tax credits? Send us a year of numbers and we will price both methods for you.