Free consultation
Corporate Tax Preparation, Online Filing & Tax Credit Optimization
Plan, file, and save—complete corporate tax, online T2 filing, and credit optimization with CPA-certified financials and full CRA/ARQ representation.
35+
years serving Quebec corporations
1k+
corporate clients supported
99%
on-time T2 and GST/QST filings
$10M+
in credits/refunds identified for clients*
Our Core Corporate Accounting & Tax Services
Corporate Bookkeeping & Financial Statements
In-house bookkeeping by a 45-person team with CPA review—AP/AR, payroll, reconciliations, and lender-ready year-end financials.
Corporate Tax Filing (T2) & Online Submission
Accurate federal/provincial returns filed electronically with CRA and Revenu Québec, aligned to current legislation and compliance standards.
Tax Planning & Audit Representation
Strategic planning with a CPA, auditor, and tax lawyer to minimize tax and prevent reassessments—direct representation for CRA/ARQ audits.
GST/QST/HST Registration & Filing
End-to-end indirect tax compliance for multi-province operations and e-commerce platforms, including filings and input-tax recovery.
Corporate Credits, Grants & Incentives
Identification and filing support for SR&ED, Clean Economy ITC, AJCTC, Manufacturing & Processing deduction, and Quebec programs (CRIC, C3i, TCEBAI, and more).
Industry-Specific Support
Sector playbooks for manufacturing, technology/R&D, restaurants, real estate, retail/e-commerce, non-profits, and transportation & logistics.
The Mackisen Advantage
One coordinated team: CPAs, auditors, and tax lawyers under one roof
CPA-certified statements that banks and lenders recognize
Proactive planning plus hands-on audit defense with CRA/ARQ
Deep expertise in SR&ED, CRIC, C3i, AI, clean energy, and manufacturing credits
Cloud bookkeeping and secure client portal for fast, accurate turnaround
Clear, fixed-scope engagements with responsive, bilingual support
* Aggregate historical impact across engaged clients; outcomes vary by eligibility, records, and program rules.
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Do you offer bilingual service (EN/FR)?
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How do your fees and packages work?
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What industries do you specialize in?
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Do you offer a free consultation?
01
Do you offer bilingual service (EN/FR)?
02
How do your fees and packages work?
03
What industries do you specialize in?
04
Do you offer a free consultation?
01
Do you offer bilingual service (EN/FR)?
02
How do your fees and packages work?
03
What industries do you specialize in?
04
Do you offer a free consultation?
File With Confidence. Maximize Your Credits.
Book a free corporate tax consultation—our CPA team will file online, optimize credits, and deliver lender-ready financials with full CRA/ARQ representation.
Talk to an expert
File With Confidence. Maximize Your Credits.
Book a free corporate tax consultation—our CPA team will file online, optimize credits, and deliver lender-ready financials with full CRA/ARQ representation.
Talk to an expert
File With Confidence. Maximize Your Credits.
Book a free corporate tax consultation—our CPA team will file online, optimize credits, and deliver lender-ready financials with full CRA/ARQ representation.
Talk to an expert
Trusted by 5000+ customers
Trusted by 5000+ customers
4.7
From 100+ ratings
Caroline
Review on Google
I can confidently say that they deliver a level of service that goes beyond expectations. From the very beginning, I felt like I was in good hands.
Mary Michelle Reyes
Review on Google
I had my taxes done at Mackisen Consultation Inc., and I couldn’t be more satisfied. The technicians were not only highly skilled but also took the time to explain every detail.
Houman Gholipour
Review on Google
I do my taxes for me and also all members of our family with Mackisen since more than 25 years. They are very reliable and very patient and quick to support and react.
Joey D
Review on Google
I've been going to Mackisen for over 20 years to do my taxes and for other financial advice. I couldn't be happier with their service, making finance easy to understand.
Our Core Audit & Assurance Services
Financial Statement Audit (IFRS/ASPE)
The gold standard in financial reliability. We conduct independent audits that verify every figure in your financial statements, producing an auditor’s report with full assurance and credibility. Audited financials earn immediate trust from banks, investors, and regulators—enabling smoother financing, mergers, and growth.
Review Engagement (Mission d’examen)
When a full audit isn’t required, a review provides professional credibility at a lower cost. Through analysis and inquiry, we ensure your statements are plausible and accurate, giving lenders moderate assurance and improving borrowing potential.
Compilation (Notice to Reader / Mission de compilation)
Ideal for small businesses seeking clarity and organization. We compile your financial information into professional CPA statements that strengthen loan applications and internal decision-making—even without an audit opinion.
Special Purpose and Compliance Audits
For grants, government funding, or lender covenants, we perform targeted compliance audits. Our reports help you meet the requirements of regulators, boards, and funding agencies with confidence.
Internal Controls and Risk Advisory
Protect assets and reputation with a control audit that identifies weaknesses before they become problems. We review accounting systems, fraud prevention, and IT safeguards to enhance reliability and boost lender confidence.
IFRS/ASPE Conversion and Advisory
Transitioning from ASPE to IFRS or preparing for an IPO, merger, or acquisition? We manage the conversion—from policies to restatements—ensuring compliance and clarity for global investors and partners.
The Mackisen Advantage
Financial statements accepted by major banks and investors
Faster loan and financing approvals
Lower borrowing costs through verified transparency
Stronger confidence from investors and boards
Full compliance with IFRS, ASPE, and Quebec CPA standards
Comprehensive review of internal controls and fraud prevention
All our services
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