Canada's Amazon &
E‑Commerce Accountants
We handle the bookkeeping, tax, and compliance so Amazon and e-commerce sellers can focus on growing their business. We're sellers ourselves.
Professional
Accountants
Every service built for
e-commerce sellers
General accountants don't know your business. We specialize exclusively in Amazon and e-commerce. Every service is built around how your business actually works.
E-Commerce Bookkeeping
Monthly books, clean financials, and seller-ready reports. We reconcile Amazon, Shopify, and Walmart payouts, COGS, PPC, and inventory in QuickBooks Online.
Learn more →Corporate Tax Returns
T2 corporate returns optimized for e-commerce income. We understand inventory, PPC deductions, and the nuance that general accountants miss.
Learn more →Personal Tax Returns
T1 personal returns for founders drawing salary or dividends from their e-commerce business. Structured to minimize your overall tax burden.
Learn more →Non-Resident GST/HST
If you sell on Amazon.ca from outside Canada, you likely have GST/HST obligations. We handle registration, filing, and ongoing compliance for international sellers.
Learn more →CBSA Record Custody
We serve as your authorized Canadian record custodian. Encrypted storage, BSF900 filing, and audit support for non-resident importers.
Learn more →Exit Planning
Preparing to sell? We normalize your financials, calculate SDE/EBITDA, document add-backs, and make your numbers buyer-ready.
Learn more →Preparing to Sell
Your Business?
Prepared businesses sell for 20-40% more than unprepared ones. We reverse your tax-minimized books to show buyers what your business actually earns, with SDE/EBITDA calculations, documented add-backs, and a clean financial package.
- ✓SDE and EBITDA calculations with documentation
- ✓Owner add-back identification and evidence
- ✓Recast financial statements (3-5 years)
- ✓Revenue quality and concentration analysis
- ✓Working capital analysis for deal structuring
- ✓Buyer-ready financial package
- ✓Canadian tax planning (LCGE) where applicable
Not just accountants.
Amazon specialists.
Jones & Cosman is one of a small number of Canadian accounting firms that hold Official Amazon Service Provider status. That means Amazon has vetted us as qualified experts for their seller community.
We have been serving e-commerce sellers since 2012. We're sellers ourselves, and we understand how your business works from the inside.
About Our TeamWhat our clients say
"Rob and Marsha have been providing tax services for my companies and family for over 4 years. Highly recommend!"
"What used to take me 6+ hours to piece together, they handle in about an hour. Incredible team."
"They took care of everything - corporate tax, personal tax, GST filing. I just focus on selling now."
Tax and compliance guides
written for sellers
Holdco/Opco Structures for Canadian E-Commerce Sellers: When It Makes Sense and What to Watch For (2026)
A Holdco/Opco structure can defer six figures of personal tax per year and shelter $1.275M of capital gain on sale, but only when the e-commerce business has reached the right s…
Business taxeseBay Canada Marketplace Tax: How GST/HST Works for Canadian and Non-Resident Sellers (2026)
eBay Canada is a marketplace facilitator. Here is how the platform collects and remits GST/HST, PST, and QST on your behalf, when to register, and how to recover GST on eBay fees.
AmazonCARM Client Portal Setup: Step-by-Step Walkthrough for Canadian Commercial Importers (2026)
Since 2024, every commercial importer in Canada has had to [...]
