Coallier Consulting Services offers an expertise focused on personal and estate tax. We have built a reputation for providing meticulous and personalized service, to a diverse clientele. Our human and professional approach is rooted in attention to detail, integrity, and a genuine commitment to helping individuals navigate complex tax matters with confidence.
Practice in Taxation primarily for individual tax compliance and advise on tax, financial and estate planning, including the complex cross-border issues of multiple tax jurisdictions of estate settlement, financial and retirement planning. We collaborate with your existing advisors, such as financial advisors and notaries.
Representative mandates: Advise families, professionals and clients who wish to preserve their assets, minimize taxes, and implement effective tax and estate planning; advise the executors of an estate; assist the executors of a foreign estate to understand the tax implications of assets located in and outside of Quebec and support them for tax compliance. Tax and estate planning for a person with assets in multiple jurisdictions.
- Year-end tax planning
- Preparation of personal income tax returns
- Preparation of estate and trust income tax returns
- Income splitting
- Tax tips for the self-employed
- Tax tips for rental property owners
- Canadian Estate Planning and Cross-Border Tax Considerations
- Will planning
- Post-mortem planning
- Calculation of the tax impacts of the transfer of assets on death
- Preparation of final deceased tax returns
- Estate tax
- Preparation of Asset and liabilities at death
- Preparation of Request for Clearance certificates
- Support in the administration of trusts and estates
- Support for the settlement of Canadian and cross-border estate
- Private Wealth or Family Office concierge service for our high-net-worth clients
- Tax strategies to reduce or defer taxes
- Personal tax planning
- Planning for retirement
- Personal budget preparation
- Preparation of Personal balance sheet (list of assets)
- Preservation of family assets
- Family and personal Estate Planning
- Blended family Planning
- Will planning
As an individual subject to a hectic pace of life, you may have put off the optimization of your personal tax situation. However, there are many planning elements to consider in order to reduce your tax burden, both in terms of personal taxes, testamentary and estate taxes.
Are you in possession of property outside Québec? Outside of Canada? Would you like to minimize the potential effects of double taxation that may arise as a result of your death? Our in-depth knowledge, our personalized approach and the solutions we offer will allow you to achieve your objectives when transferring your assets.
When you’re in great shape, you think about the future, your family, what your life will look like in 10, 15 or 30 years… Death is usually not the first thing that comes to your mind, and we often prefer to forget it. However, planning your estate not only allows you to take care of your financial situation, but also to lighten the burden on your loved ones when the time comes to say goodbye.
If you were the victim of an accident tomorrow morning, would at least one person around you be able to easily “find their way around” your belongings? Bills to pay, safety deposit box, bank accounts, investments, mortgages, life insurance, pension funds, important documents… In addition, with the new challenges presented by the digital age, you must also think about your virtual heritage, digital assets. It is not always easy to manage all this if you have not kept an up-to-date balance sheet of all your assets.
Let’s keep in mind that estate planning is above all an act of love for our loved ones. Writing a will, planning your estate and planning for the future means giving yourself peace of mind about the future. It is this peace of mind that we can bring you through our professional services and advice.
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Need to plan your tax situation? Contact us now!

Mylène Coallier
B.A.A., M.Fisc., TEP
Master in tax
After ten years of professional experience in the personal trust services of Canada’s largest financial institution, where she worked in the areas of personal taxes, death taxes, estates and trusts, estate settlement and supervision of private wealth management accounts for Western Canada, she continues her consulting practice.

Claude Girard
CPA
Tax Consultant
Claude Girard is a seasoned tax professional with over three decades of experience in personal income tax and estate settlement services. She holds a Bachelor of Commerce from Concordia University and a Diploma in Chartered Accountancy from McGill University. She has also completed Parts I and II of the CICA In-Depth Tax Program, further deepening her expertise in Canadian taxation.

Gillian Patrick
Consultant
Gillian is a consultant with 12 years of experience preparing Income tax returns and Estate settlements. After working 15 plus years in the field of Marketing and Sales, with Reader’s Digest, Koch Petroleum and Gibson Energy, she began a new chapter of her career working for Claude Girard, CPA who is a specialist in Income tax and Estate settlements.
400-6300 AUTEUIL,
BROSSARD QC
J4Z 3P2
450.671.4915
Monday to Friday: 8:30 a.m. to 5:30 p.m.
Saturday: Closed
Sunday: Closed
Do you have questions or need personalized support? Our team is here to help you navigate your tax obligations with confidence. Contact us to schedule an appointment in person or via videoconference.
Do you have questions or need personalized support? Our team is here to help you navigate your tax obligations with confidence. Contact us to schedule an appointment in person or via videoconference.