SR&ED · AI Systems · Canada

Recover More. Build Smarter.

Big Four–trained SR&ED expertise for Canadian innovators building AI systems and modern technology. Zero claims denied.

Calculate Your Credit

Zero Claims Denied

Every claim filed has survived CRA review.

Big Four Senior Tax Experience

Prepared by a former Senior Tax Manager.

2026 $6M Enhanced Limit Fluency

Structured for the expanded CCPC limit.

Interactive Estimate

How much is your R&D worth back?

Enter your Canadian R&D costs to see an estimated federal and provincial credit — the same computation that anchors a filed claim.

Your R&D spend

Enter the annual cost of work performed in Canada on technological advancement.

Engineering time spent resolving technological uncertainty.

Arm's-length Canadian subcontractors count at 80%.

OITC 8% refundable for CCPCs

Canadian-controlled private corporation (CCPC)?

CCPCs earn a 35% refundable federal credit on the first $6,000,000 of qualifying spend under the 2026 enhanced limit.

Estimated recovery

$321,405

Largely refundable — cash back even at a loss.

Qualifying expenditure pool$793,500
Federal ITC$277,725
Ontario credit$43,680

Illustrative estimate using the proxy overhead method and typical provincial rates. Actual credits depend on eligible work, wage caps, specified-employee rules and CRA review.

Services

Where we do the work.

All services →

SR&ED Claims Preparation

T661, Schedule 31 and technical narratives that bridge your engineering work and the CRA's evidentiary standard.

Audit Defense

Representation and evidence assembly when the CRA reviews a claim — including claims you filed yourself.

Agentic Workflow Advisory

Design AI agents and automated workflows while capturing the qualifying experimentation as you build.

Process

Three steps, no surprises.

  1. 01

    Assess Eligibility

    A free consultation reviewing your projects, sprints and technical uncertainties to confirm what qualifies before any engagement begins.

  2. 02

    Prepare the Claim

    Technical narratives, financial calculations and CRA-defensible documentation — assembled with minimal draw on your engineers' time.

  3. 03

    Recover & Reinvest

    Your refund or credit lands, and goes straight back into headcount, infrastructure and the next thing you're building.

About

A tax manager who speaks engineering.

Bytown Advisory is led by a former Big Four Senior Tax Manager with genuine engineering fluency — someone who can sit with your team, understand what was actually hard about the work, and render it in the language the CRA expects.

That bridge between tech speak and tax compliance is why claims come back clean, and why founders keep their engineers focused on shipping.

More about the practice →

Find out what you're leaving on the table.

A free 20-minute call with the advisor who would prepare your claim.

Send your details

Or email info@bytownadvisory.com