Established for over 25 years, GCI Tandem is a human-sized, independent firm specializing in taxation, advisory services, and outsourcing of strategic functions.
We are looking for a motivated, meticulous, and intellectually curious Tax Specialist who is eager to take on high-value assignments and join a tight-knit, passionate team based on the South Shore of Montreal. You will actively contribute to the firm’s growth and have the opportunity to quickly advance into a Director, Taxation role.
Recognized for our deep expertise, we operate with an agile and flexible structure that fosters close collaboration, teamwork, and a supportive work environment.
Our professionals serve Canadian and international corporations, private and public multinational groups, entrepreneurs and executives, high-net-worth families, and international estates and trusts. We help optimize their tax positions (integrated planning, technical support, and advisory) while enhancing their organizational and strategic performance to succeed in today’s complex and competitive global economy. This diverse clientele allows for a unique variety of mandates, providing talent with a stimulating and challenging environment for continuous growth.
Join our dynamic team and make a real impact.
What Will Your Day Look Like?
You’ll work closely with our clients, supporting them in tax planning, compliance, and analysis. In return, the team will support your growth with specialized coaching and a custom development plan so you can contribute meaningfully every day. It’s a true collaborative environment where your ideas matter and your initiatives are encouraged.
Tax Research & Analysis
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Conduct research and provide tax validation in Canadian taxation within a cross-border context.
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Depending on your experience, you may also support U.S. and international tax files.
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Draft technical tax memorandums.
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Build financial and tax simulations, comparative scenarios, models, etc.
Tax Planning
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Collaborate on internal planning and the implementation of tailored tax solutions.
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Present options and discuss solutions with both the internal team and clients.
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Participate in weekly team meetings and ongoing training to stay on top of tax developments and sharpen your skills.
Tax Compliance
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Update and document source files and supporting documents to prepare tax returns.
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Review and ensure quality control of tax returns prepared by the technical team.
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Occasionally assist with complex tax returns and specific compliance issues (e.g., pledges, voluntary disclosures, objections).
Tax Representation
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Full tax function outsourcing by our clients, including all interactions with tax authorities regarding queries, disputes, or litigation.
Advisory / Consulting
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Develop and maintain trusted relationships with clients through diagnostics and ongoing support.
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Represent the firm externally through article writing, speaking engagements, or teaching opportunities, if desired.
Other Responsibilities
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Collaborate closely with the group’s strategic partners and colleagues in complementary areas (audit, transactions, legal, accounting, brokerage, financial planning).
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Provide training and technical support to interns and junior tax professionals.
Is This You?
Education:
Professional Experience:
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Minimum 3 years of tax practice.
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Broad Canadian tax expertise.
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Experience in U.S. or international taxation is an asset.
Skills:
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Proficiency in tax compliance and research software (e.g., iFirm, ProSystem fx).
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Bilingual in French and English, both written and spoken.
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Additional languages are an asset for our international clientele.
Key Attributes:
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Strategic thinker with strong problem-solving skills.
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Excellent communicator with solid project management abilities.
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Client-focused with sharp business acumen.
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Strong interpersonal skills and a collaborative mindset.
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Professional rigor, sound judgment, and integrity in execution.
We pay special attention to personality, intellectual curiosity, and a desire to grow within a high-potential firm. Flexible hours and remote work are available to support a healthy work-life balance.
