Frank Mastinsek & Associates

Accounting and Taxation Services (CPA/CMA)

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To the team at Frank Mastinsek & Associates,

We would like to express our sincere gratitude for the professionalism and expertise in guiding us over the past 20 years with our Corporate..[and] Personal... Tax preparation. Frank and his team ensured we complied with our tax obligations, yet benefited by the results of a Professional Accounting Service.  Frank advised us with Tax Planning to make sure we were using RRSP, TFSA and Estate Planning to achieve our financial goals.

We have known Frank for many years, and highly recommend his team for personal ..[and] business... tax preparation and book keeping services.

Thank you very much for always being there to guide us.

Best regards,

Rosemary and Les Cotter.

...makes tax season a lot less stressful...

I have been using the accounting services of Frank and his team for several years now. His proactive approach makes tax season a lot less stressful and ensures timely / accurate returns. Frank is tireless in his approach and makes sure he has all the facts before making suggestions. As Frank says, "It's not about what you earn... it's what you keep!" Thanks Frank for helping maximize my return!

Alexander Bowles
Toronto, ON

...handing my taxes to Frank is quite a relief...

"I have been using the service of Frank Mastinsek for my personal and business needs for many years.  I have and will continue to recommend Frank to all my friends and family.  Doing taxes is not my idea of fun, handing my taxes to Frank is quite a relief, knowing they will be handled in a timely professional manner."
Brian Johnson
Brian Johnson Carpentry

...never losing sight of the client's best interest...

We have used Frank and his team for our tax preparation since 1993. We realize that tax time can be very busy and stressful for the accounting industry. Frank and his team always conduct their business in a professional and efficient manner, never losing sight of the client's best interest as well as maintaining that personal touch. I would highly recommend their services.

Robert Boyd
Mortgage Centre
Pickering, ON

...attention to detail...

To the office of Frank Mastinsek,
I would like to take this time to send you a note thanking you and your whole team for your attention to detail and your professionalism in making sure my finances  are in order.
When I was first referred to you I was behind in my taxes and unorganized.
Thanks to you and in a very timely matter I am now current and back on track.
Once again thank you for taking care of your business so I can focus on mine.

Best Regards,

Frank Petrella
Creative Director
Woman Haircare

...most professional manner...

It has been my absolute pleasure knowing and being a client of Frank Mastinsek for over 25 years.  During this time he has provided me with preparation and filing of accurate tax returns in a most professional manner. He and his staff make you feel welcome to conduct business with. His slogan fits well “it’s not what you earn, it’s what you keep!”

Fred Emmons
FundEX Investments

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We at Frank Mastinsek & Associates strive to create lasting relationships by providing the best service to meet the objectives of our clients.


We take full responsibility of all our work to the complete satisfaction of our clients.

Read More About Us...

Our Services Include:

  • Small Business Accounting
  • Tax Preparation
  • Business Services
  • Financial Services
  • Personal Services
  • Assessments & Preparations

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it's not what you's what you keep!