OSA CPA
OSA CPA Knowledge Hub

Practical tax, CRA, accounting, and advisory articles.

Educational resources from OSA CPA Professional Corporation for Ontario individuals, self-employed clients, and small business owners.

CRA Support

What to Do When You Receive a CRA Review Letter

Understand the request, organize records, protect the deadline, and respond with care.

 Small Business

GST/HST Records Small Businesses Should Keep

Common documents that help support GST/HST filing, input tax credits, and CRA review questions.

 Owner-Manager

Salary, Dividends, and Owner Payment Records

Key documentation considerations for salary, dividends, shareholder loans, reimbursements, and year-end tax filing.

General information only. These articles do not replace advice for your specific situation.