Who We Are

Taxtronix – J&L Sulimierski – is an accounting, taxation, and financial consulting firm with the DIFFERENCE!
Dedication is our nature; client satisfaction is our ultimate goal.

This goal has motivated us right from the outset, to find a better way, the best tools, and the most efficient methods to serve our clients.

Since our company inception, we have broken new ground in the field of tax preparation and accounting software development.

Presently, we are the only company in Canada to use our own software:

  • TAXPRO for tax preparation
  • GIFI for accounting and bookkeeping
  • PAYHELP for payroll

With these utmost efficient tools, we are serving over 5000 individuals, businesses, and corporations annually. We offer a wide range of services, including:

  • Personal, business, and corporate tax returns
  • GST/HST consulting, registration, and calculation
  • Full bookkeeping services in accordance with GAAP
  • Managerial accounting (A to Z bookkeeping combined with continuous tax planning)
  • Business seminars and consulting (office set-up services)

We invite you to visit us at one of our offices in the Greater
Toronto Area and see exactly what we’re talking about.


Mississauga: 702 Burnhamthope Rd. - Mississauga, L4Y 2X3 - Phone: 905.949.9988 - Fax: 905.949.2965
Bloor: 2290 Bloor St. West - Toronto, M6S 1N9 - Phone: 416.769.4558 - Fax: 416.769.2905
© 2024 TORONTO TAXTRONIX SYSTEM. All Rights Reserved.