Science & Humans is Canada’s leading hormone health and longevity platform, trusted by over 50,000 patients nationwide. We combine diagnostics, personalized treatment, and digital-first care to help people live healthier, longer lives. As we enter our next stage of growth, we are strengthening our financial infrastructure to support scale, speed, and operational excellence.

Accounting Manager who is excited to build and scale a modern, efficient finance function. Reporting directly to the CFO, this role will own the integrity of financial reporting, implement scalable accounting processes, and ensure compliance as we prepare for rapid expansion.

You will work closely with the Finance Manager and cross-functional stakeholders to drive operational excellence, strengthen financial controls, and provide exceptional service internally and externally.

This is a great opportunity for an accounting leader who thrives in high-growth environments and wants to make a meaningful impact on a fast-scaling healthtech company.

Manage and enhance the chart of accounts; develop accounting policies and document workflows for training and business continuity.

Collaborate with external tax advisors to ensure accurate tax filings and compliance.

Support the annual audit process, including timely responses to auditor inquiries.

Assist with external investor and lender reporting requirements.

Support the CFO with the annual budgeting process and potentially own Balance Sheet and Cash Flow budget & forecasts.

Accounting Operations

Own global payroll operations, ensuring timely, accurate, and compliant processing.

Partner with the Finance Manager to implement policies for cash handling, procurement, expense management, and approvals.





Optimize the accounting operations workflow to improve accuracy, speed, and scalability.

Assist the CFO in evaluating and improving financial systems and fintech tools (e.g., QBO, Chargebee, Expensify) to support automation and insight generation.

Mentor and support junior team members to elevate capability and performance.

Contribute to building out a future finance team as the company scales.

Educate non-finance teams on budgeting, spend controls, compliance expectations, and financial processes.

Serve as a key finance partner for cross-functional stakeholders across the business.

Bachelor’s degree in Accounting; 5+ years of progressive accounting or finance experience, ideally with exposure to high-growth or startup environments (Series A–C preferred).

3+ years of hands-on payroll experience; cross-border payroll exposure (North America + offshore contractors) is an asset.

Solid accounting operations experience, including AR, AP, month-end reconciliations, and reporting.

Solid understanding of Canadian GAAP and experience supporting annual audits; prior audit experience with Big 4 is preferred.

Experience with accounting and financial tools such as QBO, Chargebee, and Expensify (admin/super-user experience is an asset).

Growth mindset, accountability, strong collaboration skills, and a customer-focused approach.

Work closely with executive leadership and influence company direction.

Join a mission-driven team helping people live healthier, longer lives.

Hybrid flexibility from Mississauga with long-term career growth opportunities.

As part of our recruitment process, we may utilize artificial intelligence tools to support or assist the review of applications. These tools may help us identify candidates whose qualifications best match job requirements.

📌 Accounting Manager-Credit (Mississauga)
🏢 Scienceu0026Humans
📍 Mississauga