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About

Twenty years of Canadian tax, one desk.

Common Accounting has been helping GTA individuals and small businesses since 2005. It's run by one person — on purpose.

Partners

  • Wave accounting software
  • Intuit
  • Humi HR and payroll
  • EFILE certifiedCanada Revenue Agency
Vadim Borisoff, BComm, Managing Director
Vadim Borisoff, BComm
Managing Director
  • Richmond Hill, ON · serving the GTA & remote across Canada
  • In Canadian tax since 2005
  • Bachelor of Commerce (BComm)
  • Former financial analyst, TD Bank
  • English · Russian

Why one accountant instead of a firm

I started out as a financial analyst at TD Bank, then spent time in mortgage lending before moving fully into tax. That path matters more than it sounds: I've seen how lenders read a set of financials, how underwriters treat self-employed income, and what a clean return does for someone trying to get a mortgage approved.

Since 2005 I've filed thousands of Canadian returns — personal, self-employed, corporate, rental, investment and crypto. Along the way I've handled the unglamorous parts too: HST registrations, WSIB clearances, payroll remittances, and CRA letters that arrive at the worst possible time.

Common Accounting is deliberately small. When you call, you get the person who prepared your return and remembers your file — not a queue, and not a different junior staffer each spring. For most people that's the whole value proposition: continuity, and someone who is accountable for the work.

Working remotely, properly

Everything runs through a secure, fully digital process — encrypted document sharing, electronic authorisation, and e-filing with the CRA. You get the review conversation by phone or video at a time that actually suits you. In practice, clients tell me it's faster and less disruptive than driving to an office in April.

Vadim Borisoff
Managing Director · Common Accounting
Background

How I got here, and why the practice is small

I started in Canadian tax in 2005. Before that I was a financial analyst at TD Bank, which is where I learned to read a set of numbers properly before forming an opinion about them — a habit that turns out to matter more in tax work than any piece of software does.

Common Accounting is deliberately a one-person practice. When you call, you get the person who prepared your return and who will answer the CRA letter if one arrives. There is no account manager, no handoff to a seasonal preparer in March, and no situation where the person explaining your return is reading it for the first time.

That limits how many clients I take. It also means nothing about your file gets lost between desks.

How it works

What working together actually looks like

Everything runs remotely, which for tax work is genuinely better rather than a compromise — you are not driving to Yonge Street to hand over paper, and documents move securely rather than sitting in a car.

1

A free 15-minute call

You describe the situation. I tell you what is involved, what it will cost, and whether you actually need an accountant — sometimes the honest answer is that you do not.

2

Send your documents

Slips, receipts and statements go over securely. If you are missing something, I will tell you exactly what to request and where to get it.

3

I prepare and review with you

The return is prepared, then we go through it together before anything is filed. You will understand what changed and why, not just the number at the bottom.

4

Filed, and available afterwards

Electronic filing straight to the CRA. If a Notice of Assessment or a review letter arrives later, call me — that is part of the work, not a new engagement.

Questions

About the practice

Do you work with clients outside Richmond Hill?

Yes — most of the practice is across the wider GTA, including Thornhill, Markham, Vaughan, Aurora, Newmarket, North York, Scarborough and Toronto. Everything is handled remotely, so your location matters far less than whether the work fits.

Do you speak Russian?

Yes. Tax is difficult enough in your first language. If Russian is easier for explaining your situation, we can do the whole thing in Russian.

Are you a CPA?

I hold a BComm and have worked in Canadian tax since 2005, previously as a financial analyst at TD Bank. Tax preparation and filing in Canada does not require a CPA designation — what it requires is current knowledge and care with the details. If your situation genuinely needs an audited financial statement, I will tell you and point you to someone who can sign one.

What if I have not filed for several years?

It is more common than people think, and it is fixable. Several years can be filed together and, where the circumstances fit, we can apply for relief from penalties and interest through the CRA's Voluntary Disclosures Program. The situation almost always looks worse from the inside than it turns out to be.