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Accounting and Taxation
Expertise, Excellence, Empathy!
Accounting and Tax Services in Montreal
This interview was recorded in 2023. The professional title mentioned in the video reflects the situation at that time.

For over 30 years, I have been working in accounting and taxation. A graduate of HEC Montréal, with a specialization in taxation since 2005, I have gained solid experience within an accounting firm in the Greater Montreal area.
I offer my services to SMEs, self-employed individuals, non-residents, and estate liquidators located in Montreal, on the North Shore, and on the South Shore.
With strong expertise in accounting and taxation, I provide support tailored to my clients’ specific needs.
Olga Maria Ruiz, D. Fisc. primarily serves entrepreneurs, including SMEs, self-employed professionals, non-residents, and estate liquidators.
Double Service
I am an accountant with a specialization in taxation.
Professionalism
I offer you quick and easy access to professional services.
Professional and Personalized Quote
I guarantee you excellent value for money.
Local Service
I offer you all the support your business needs.
More than just an accounting service, Olga Maria Ruiz, D. Fisc. offers comprehensive support to each of its clients! I create a true partnership and a close relationship with my clients. By using my services (bookkeeping, financial statement preparation, Sales Taxes), you will benefit from practical solutions and all the support tailored to your business needs. Whether you need to be guided every step of the way or just partial support, you will be at the center of my business.
Olga Maria Ruiz, D. Fisc. also provides training and implements tools to assist accountants. You will receive personalized support based on listening and advice. If necessary, we can arrange meetings.
With extensive knowledge of the various aspects of entrepreneurship, Olga Maria Ruiz, D. Fisc. offers practical solutions and support tailored to your needs.
My Services:
My Key Strengths:
Tax accounting is a vital lever for ensuring rigorous financial management while optimizing your tax situation. With over 30 years of accounting experience and a D.E.S.S. (Graduate Diploma) in taxation, Olga Maria Ruiz, D. Fisc. supports SMEs, self-employed individuals, families, and trusts with a personalized approach tailored to their goals.
From day-to-day bookkeeping and financial statement preparation to deep tax analysis and regulatory compliance, every service is designed to keep your records flawless while identifying the best opportunities for tax optimization.
By staying on top of constantly changing tax laws and leveraging recognized expertise, Olga Maria Ruiz, D. Fisc. provides reliable, practical, and high-performing solutions. These insights are built to guide your strategic decisions and ensure the long-term success of your business.
Olga Maria Ruiz, D. Fisc. also offers training sessions and develops practical tools to help fellow accountants.
Following an initial meeting to assess your needs, I will be able to prepare an action plan and a personalized quote.