The Mackisen Advantage – Expert Help with TPS/TVQ Filing

Mackisen Consultation Inc. offers a turnkey solution for managing your GST/QST filing (or déclaration TPS/TVQ) so you never have to worry about deadlines or mistakes. Here’s why dozens of companies in Québec turn to Mackisen for business tax compliance:

Unmatched Expertise: Mackisen brings 35+ years of experience and a 355+ team of CPAs, auditors, accountants, and tax lawyers all under one roof. When you work with us, you get a dedicated team of experts who specialize in Canadian and Québec tax – we know the ins and outs of Revenu Québec and CRA requirements by heart.

Full-Service Convenience: We handle everything related to GST/QST filing – from registration of new businesses, calculating GST and QST for small business invoices, preparing the returns, to submitting them online. Because our firm is full-service, we can also integrate your sales tax filing with bookkeeping, payroll, corporate tax planning, and even audit defense if ever needed. No need to juggle multiple advisors or softwFast & Confidential: Tax emergencies? Tight deadlines? We've got you. Our large team allows for fast turnaround – we can prepare and file returns on short notice while maintaining strict confidentiality. With secure digital systems (including Clic Séqur), we ensure your financial data is protected. Your privacy is paramount – all our services are handled with absolute confidentiality and professionalism.

Accuracy & Compliance: Every return we file goes through a rigorous review process. We double-check that all eligible ITCs and ITRs are claimed so you never overpay taxes. We stay up-to-date on the latest tax law changes (like the mandatory e-filing rule in 2024 or new QST rules for out-of-province businesses) to keep you 100% compliant. No guesswork, no costly errors.

Bilingual & Client-Focused: Serving Québec businesses means we operate in English or French as needed – all our staff are bilingual. We explain the GST/QST process simply, in plain language (déclaration TPS/TVQ simple) so you always understand what we’re doing and why. Our mission is to build trust through transparency, education, and results.

Proven Trust: Mackisen has 5,000+ satisfied clients and maintains a near-perfect client satisfaction rating. We’ve helped businesses of all sizes – from startups to large enterprises – file GST/QST returns correctly and on time, period after period. Our clients often tell us they "finally have peace of mind about taxes" after coming to Mackisen. We are proud to be Montreal’s most trusted CPA and advisory firm.

Bottom line: When you choose Mackisen, you're not just buying a tax filing service – you're gaining a long-term partner in your business success. We treat your GST/QST obligations as if they were our own, proactively looking for ways to save you money, reduce hassle, and protect your business.