Reviewed by Logan Hanson, BSc, CPA. Last verified against CRA guidance on August 4, 2026.
Choosing an SR&ED consultant is mostly about spotting the difference between someone who fills in a form and someone who actually finds and defends your refund. They can look identical on a website. They are not identical on your claim. Here’s what to look for in an SR&ED consultant, the green flags worth paying for, and the red flags worth walking away from.
Look for a whole-year review, a real technical process that involves your engineers, transparent pricing, and included audit defense. Those four things separate a consultant who grows and protects your refund from one who just files what you hand them. Everything else is detail on top of these.
A strong SR&ED consultant reviews your whole year, involves your engineers, explains pricing clearly, and includes audit defense. Here are the green flags worth paying for.
Walk away from a consultant who guarantees a CRA outcome, hides fees, excludes audit defense, or prepares claims without your technical team. Here are the red flags to watch for.
Yes, more than most founders expect, because the fee comes out of your refund. A percentage fee grows every year your refund grows, so the lifetime cost can be large. A flat fee stays known and leaves more of the credit with you.
Percentage-fee pros: nothing out of pocket up front, and the firm is motivated to maximize the claim.
Percentage-fee cons: the cost climbs as your refund grows, even though the filing work doesn’t scale the same way.
Flat-fee pros: a known cost that doesn’t balloon, so more of the credit stays with you as you grow.
Flat-fee cons: a defined fee even in a smaller year, though a fair provider shouldn’t charge you if there’s no eligible work at all.
They should understand your technology well enough to identify the technological uncertainty and describe the systematic investigation and advancement in the CRA’s terms. A consultant doesn’t need to be able to write your code, but they do need to hold a credible technical conversation with your engineers. If they can’t, the narrative ends up shallow, and a shallow narrative may not clearly establish why the work qualifies.
A whole-year review can uncover eligible expenditures a project-by-project review misses. Take a CCPC eligible for the enhanced 35% refundable rate that would have handed a form-filler its one project, worth $176,000 in salaries, or about $61,600 in federal credit before overhead and provincial credits. A consultant who reviews the whole year adds $135,000 in eligible salaries from other projects and a $53,750 arm’s-length Canadian contractor at 80%, so $43,000, lifting the base to about $354,000.
That’s roughly $123,900 in federal credit before the prescribed-proxy overhead amount and provincial credits, up from $61,600. That’s about $62,300 more in federal credit; whether it covers the fee depends on what the consultant charges, which is one more reason the fee model matters. This is illustrative, so your numbers will vary. For an eligible CCPC the enhanced 35% credit is refundable, applies to the first $6 million of qualifying expenditures, provides up to $2.1 million a year, phases out with taxable capital, and shares that limit among associated corporations. See our State of SR&ED overview for context.
Evaluate a consultant on review scope, engineer involvement, pricing, audit defense, eligibility judgment, and whether they overpromise on CRA outcomes. Score any consultant you’re considering against this list.
SRED.ca charges a flat fee, billed monthly, never a percentage or contingency fee, which usually works out to roughly half the lifetime cost of a percentage-based firm. As far as we know, we’re the only SR&ED provider that publishes its pricing on its website, so you can judge the cost before you talk to us. We review your whole year, work with your engineers, and track evidence as you go. We’re CPA-owned, audit defense is included, and if the CRA approves less than 75% of the filed claim we waive our fees, as set out in our 75% guarantee. If there’s no eligible work in your year, you don’t pay.
The right SR&ED consultant is the one who reviews your whole year, works with your team, prices the job fairly, and stands behind the claim. Look past the marketing and judge the process. If you’d like to see what that looks like on your own claim, grab a free consultation. The CRA’s SR&ED program page has the official rules.
Related reading: 8 SR&ED consultant facts for first-time claimants, how SR&ED tax services support startup R&D credits, and why an SR&ED refund shrinks under a previous consultant.
A whole-year review that finds eligible work you’d miss. That’s where the value is. A consultant who only files the project you hand them, however smoothly, leaves the biggest part of the job undone.
Not on price alone. What matters is whether they find eligible work, write a strong narrative, and include audit defense. A cheaper consultant who misses eligible work or files a weak claim can cost you far more than the fee you saved.
Size matters less than process. What counts is whether they review your whole year, involve your engineers, price fairly, and stand behind the claim. A small specialist and a large firm can both be strong or weak on those points, so judge the process, not the logo.
Guaranteeing a CRA outcome, only looking at one project, being vague about fees or audit defense, never involving your engineers, and pushing you to claim work you know was routine. Any of these is a reason to keep looking.
Well enough to draw out the technological uncertainty from your engineers and translate your team’s systematic investigation and advancement into the CRA’s language. They don’t need to write your code, but they do need to hold a credible technical conversation, or the narrative ends up too shallow to hold up.
Ask each the same questions: whole-year review, engineer involvement, fee model and lifetime cost, audit defense, and what happens if the CRA reduces the claim. Comparing the answers side by side tells you more than any sales pitch.
This article is general information, not tax advice. Tax figures depend on your corporation type, province, and taxation year.
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