How Tax Review Fees Work: Understanding Flat Fees vs. Refund-Based Fees
21 September 2026
Imagine you've just been told that a tax review has identified a potential refund.
Your first reaction is probably excitement. But your second reaction might be:
"Okay... how much is this going to cost me?"
That's a fair question. And it's one that should be answered before you commit to a service.
There isn't one payment structure
At Canada Tax Reviews, clients can choose between two payment options described in the service agreement.
Option 1: A flat annual fee paid upfront
In this case, the client pays a flat fee of $150 per year for the work, paid upfront, plus applicable taxes.
This approach gives the client a predictable cost regardless of the amount of refund eventually identified.
Option 2: A percentage of a successful refund
The second option is based on the refund.
Under the terms described by the company, the client pays 33% of the refund, plus applicable tax, for each successful refund identified by the company.
The payment becomes due when the refund is issued.
Why would someone choose one over the other?
It depends on what matters most to the client.
If you prefer to know the cost upfront, you may prefer the flat-fee structure. If you would rather have the fee tied to a successful refund, you may prefer the percentage-based structure.
Neither option should be viewed in isolation. The important thing is understanding which option you selected when you entered into the agreement.
The number on the refund isn't the whole story
Imagine a hypothetical scenario in which two clients receive the same tax refund.
Under a percentage-based arrangement, the service fee would be calculated according to the agreed percentage. Under a flat-fee arrangement, the calculation would work differently.
That's why two clients could receive similar refunds yet incur very different service costs, depending on the payment structure they selected.
Read the agreement before the refund arrives
Before signing the agreement, look at:
The payment option you've selected
When payment becomes due
Applicable taxes
Cancellation terms
What happens if substantial work has already been completed
What happens after an application has been submitted
Knowing these details beforehand makes the eventual refund much easier to understand.
The takeaway
At Canada Tax Reviews, clients have different payment options, including a flat annual fee or a percentage-based option.
The key is to understand the payment structure you choose.
There's another important part of the story to understand:
What happens after the tax refund application is submitted?
Continue reading: The Tax Refund Application Is Submitted. Now What?



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