MaxRefund Blog

Tax & Bookkeeping Guides
Plain Language. No Jargon.

Practical guides on CRA deadlines, bookkeeping best practices, payroll rules, and tax strategies — written for Canadian business owners, not accountants.

Bookkeeping

Records, receipts, ITCs, mileage, shareholder accounts — keep your books clean and CRA-ready.

8 articles

Payroll

T4As, employee vs contractor classification, salary vs dividends — paying people correctly.

6 articles

Taxes & CRA

Deadlines, instalments, GST/HST, notices of assessment — navigating the CRA without surprises.

10 articles

24 articles

Taxes & CRA

CRA Key Dates & Tax Deadlines for Canadian Small Businesses (2026)

Miss a CRA deadline and you'll pay automatic penalties. Here's every filing and payment deadline your business needs to track in 2026 — T1, T2, GST/HST, and payroll.

Taxes & CRA

GST/HST Registration in Canada: Do You Really Need to Register?

Once your revenue hits $30,000, GST/HST registration isn't optional — it's the law. Here's how the threshold works, when to register, and what happens if you wait too long.

Taxes & CRA

Tax Instalments Canada: Do You Need to Pay the CRA in Advance?

The CRA doesn't always wait until filing season to collect. Find out if you're required to make quarterly or monthly instalment payments — and how to calculate them correctly.

Taxes & CRA

How to Read a CRA Notice of Assessment

Your Notice of Assessment is more than a receipt — it affects your RRSP room, benefit eligibility, and audit risk. Here's how to decode every section and what to do when something looks wrong.

Taxes & CRA

QST in Quebec: What Small Business Owners Need to Know

Quebec has its own sales tax system on top of the federal GST. Here's a plain-language guide to QST registration, filing frequencies, input tax refunds, and what's different from the rest of Canada.

Bookkeeping

CRA Mileage Rate 2026: How to Claim Vehicle Expenses for Your Business

The CRA's 2026 per-kilometre rate determines how much you can deduct for business driving. Here's what the rate is, how to track it correctly, and what the CRA expects if you're ever audited.

Bookkeeping

How Long to Keep Business Records in Canada: The CRA's 6-Year Rule

The CRA requires businesses to keep most records for six years — but the clock doesn't always start when you think. Here's exactly what to keep, how long, and what you can safely discard.

Bookkeeping

Input Tax Credits (ITCs): How to Recover GST/HST Paid on Business Purchases

If you're GST/HST registered, you can claim back the tax you paid on business expenses. Here's how ITCs work, what qualifies, what doesn't, and how to claim them without triggering a review.

Bookkeeping

Shareholder Loans in Canada: The CRA One-Year Rule Every Business Owner Must Know

Withdrawing money from your corporation as a shareholder loan has strict CRA rules. Miss the repayment window and that loan becomes fully taxable personal income — here's how to stay compliant.

Payroll

T4A for Contractors: When to Issue One and How to File It

If you paid a self-employed individual more than $500 for services, you likely need to issue a T4A. Here's when it's required, which boxes to fill, and how to file it with the CRA by the February deadline.

Payroll

Employee vs. Independent Contractor: How the CRA Decides (and Why It Matters)

Misclassifying workers costs thousands in back-taxes, CPP, and EI. The CRA has specific criteria for telling employees from contractors — here's how to get the classification right from day one.

Payroll

Salary vs. Dividends: How to Pay Yourself from a Canadian Corporation

Should you pay yourself a salary or dividends from your corporation? The answer depends on your tax rate, RRSP room, and CPP contributions — here's a practical breakdown for Canadian business owners.

Taxes & CRA

Sole Proprietor vs Corporation in Canada: Which Is Right for You?

Tax rates, liability, setup costs, RRSP room, and the lifetime capital gains exemption — a complete side-by-side comparison to help you decide when incorporation makes financial sense.

Bookkeeping

Home Office Deduction Canada: What You Can Claim

Work from home? The CRA allows you to deduct a portion of rent, utilities, property taxes, and more. Here's how to calculate your business-use percentage and which expenses qualify.

Taxes & CRA

Small Business Deduction Canada: The 9% Tax Rate Explained

The SBD reduces corporate tax to 9% on the first $500,000 of active income. Here's who qualifies, how the passive income grind-down works, and combined rates by province.

Taxes & CRA

RRSP for Self-Employed Canadians: How It Works

No employer matching — but the RRSP is still one of your most powerful tax tools. Here's how contribution room is calculated, the 60-day deadline, and how it changes if you incorporate.

Payroll

CRA Payroll Remittances: How to Stay Compliant and Avoid Penalties

Missing a payroll remittance deadline triggers automatic CRA penalties of 3% to 10% — and doubles on a second offence. Here's what to remit, when, and how to never miss a deadline.

Bookkeeping

Year-End Bookkeeping Checklist for Canadian Small Businesses

A complete month-by-month checklist from October to February — reconciliations, payroll wrap-up, T4/T4A prep, GST/HST reconciliation, and everything your bookkeeper needs to close your books cleanly.

Taxes & CRA

GST/HST Filing for Canadian Small Businesses: A Practical Guide

Getting a GST number is just the beginning — you also need to file returns on time. Here's how to calculate net tax, choose between the Regular and Quick Method, file online, and handle a balance owing.

Bookkeeping

Online Bookkeeping for Ontario Small Businesses

Ontario's 13% HST, Employer Health Tax, and WSIB create a specific compliance picture. Here's how online bookkeeping works for Ontario businesses — and what to look for in a remote bookkeeper.

Payroll

CRA Payroll Audit: What Business Owners Need to Know

Payroll audits are more common than most business owners expect. Here's what triggers one, what the CRA examines, what penalties apply, and how to be ready before the letter arrives.

Payroll

How to Set Up Payroll for a Small Business in Canada

From registering your CRA payroll account to issuing your first T4 — a step-by-step guide to setting up payroll correctly, calculating CPP, EI, and income tax, and meeting every CRA deadline.

Bookkeeping

Bookkeeping for Small Businesses in Canada: A Practical Guide

What bookkeeping actually involves, cash vs accrual, bank reconciliation, GST/HST tracking, financial statements, and when it makes sense to stop doing it yourself.

Taxes & CRA

How to Reduce Your Small Business Taxes in Canada Legally

10 CRA-approved strategies for reducing what you owe — from choosing the right structure to salary vs dividends, RRSP contributions, CCA timing, family salaries, and the GST/HST Quick Method.