Serving US and Canadian businesses with $2M–$50M in annual revenue

eCommerce

We speak Shopify, Amazon, and TikTok.

Accurate books, clean COGS, and CFO advisory for Shopify, Amazon, and eCommerce brands.

Multichannel simplified

Firm Five reconciles sales data across Shopify, Amazon, and TikTok so you can trust your numbers.
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Product level clarity

We track gross margin by SKU, bundle, or product category, so you can stop guessing what’s profitable and double down on what’s working.

Ad spend, returns, and fees. Accounted for.

We tie performance marketing back to real ROI, flag abnormal return rates, and help you account for every platform fee, from fulfillment to transaction.

What we do best

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Channel specific reporting

Get sales, returns, and fees broken down by platform automatically.
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Gross margin by category

See your real margins, adjusted for shipping, packaging, and COGS.
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Ad spend tracking

Tie paid ads back to your bottom line by channel or campaign.
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COGS automation

No more guesswork. Our workflows keep you accurate and audit-ready.

People first. Powered by tech.

Experts you trust with systems that drive value.

Trusted Tools we work with

  • Logo-QuickBooks-Online
  • Logo-Katana
  • Logo-CIN-7
  • Logo-Google-Sheets
  • Logo-NetSuite
  • Logo-Xero
  • Logo-Gusto
  • Logo-Relay
  • Logo-Dext

Why Firm Five?

We limit onboarding to two clients per month and cap accounts per team member. You always get our focused, undivided attention.
Meet Your Team

Meet Your Team

Get to know your accounting team before we start, no surprises.
Clear Game Plan

Clear Game Plan

We outline exactly what to expect, what we’ll deliver, and when.
Industry Expertise

Industry expertise

We don’t just understand your books, we understand your business.

Frequently Asked Questions

What does Firm Five actually do?

We are an expert team of CPAs who provide monthly bookkeeping and accounting. Our services are 100% custom to fit your business. Our team can handle one area of your monthly books, or lead your entire finance department as a Fractional Controller.
If your company’s annual revenues are between $2M and $50M, you are a strong fit for Firm Five.
Unfortunately, we only work with QBO and Xero at this time, but we are happy to migrate you over to either of the two accounting softwares.
Yes we do. We love cleaning up bookkeeping messes.
We’ve partnered with tax professionals across the country to provide an all in one solution. The tax professionals we work closely with operate independently from Firm Five and you will be billed separately by them. They handle all the tax filings and advice, and Firm Five answers all their accounting related questions.
You are also welcome to use your own local accountant and we can work with them.