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How to Set Up Payroll for a New Business in Ontario?

Payroll for a New Business in Ontario

 

Starting a new business in Ontario comes with many responsibilities, and one of the most critical is setting up payroll correctly. Proper payroll management ensures your employees are paid accurately and on time while complying with payroll taxes Ontario regulations. Whether you’re hiring your first employee or expanding your team, this Ontario payroll setup guide will walk you through the essential steps.

Step 1: Register as an Employer with the CRA

Before running payroll, you must register your business with the Canada Revenue Agency (CRA) to get a payroll account number. This number is required to:

  • Deduct payroll taxes (CPP, EI, and income tax)
  • Submit remittances to the CRA
  • Issue T4 slips at year-end

You can register online through the CRA’s Business Registration Online (BRO) service or by phone.

Step 2: Gather Employee Information

To set up payroll, collect the following details from each employee:

  • Full name, address, and Social Insurance Number (SIN)
  • TD1 (Federal) and TD1ON (Ontario) tax forms to determine tax deductions
  • Banking details for direct deposit (if applicable)

Step 3: Choose a Payroll System

You have three main options for managing payroll setup Ontario:

  • 1. Manual Payroll
    • Suitable for very small businesses with few employees
    • Requires calculating payroll taxes and deductions manually
    • Higher risk of errors and compliance issues
  • 2. Payroll Software
    • Automates tax calculations, deductions, and direct deposits
    • Popular options include QuickBooks, ADP, and Wagepoint
    • Reduces errors and saves time
  • 3. Outsourced Payroll Services Ontario
    • Best for businesses that want a hands-off approach
    • A payroll service provider handles tax filings, remittances, and year-end reporting
    • Ensures full compliance with Ontario labour laws

Step 4: Calculate Payroll Deductions

Ontario employers must deduct the following from employee paychecks:

  • Canada Pension Plan (CPP) – Both employer and employee contribute
  • Employment Insurance (EI) – Shared contributions
  • Federal & Provincial Income Tax – Based on TD1 forms

Use the CRA’s Payroll Deductions Online Calculator (PDOC) to ensure accuracy.

Step 5: Set Up a Payroll Schedule

Ontario law doesn’t mandate a specific pay frequency, but common options include:

  • Weekly (common for hourly workers)
  • Bi-weekly (every two weeks)
  • Semi-monthly (twice a month)
  • Monthly (less common but used by some salaried employees)

Ensure you stick to the schedule to avoid legal issues.

Step 6: File and Remit Payroll Taxes

Employers must remit payroll taxes Ontario to the CRA on time:

  • Monthly remittance – If your average monthly withholding is $25,000 or less
  • Quarterly remittance – If your average is $25,001 to $100,000
  • Accelerated remittance – If over $100,000 (twice a month)

Late payments can result in penalties, so automation or payroll services in Ontario can help avoid mistakes.

Step 7: Keep Accurate Records

Maintain payroll records for at least six years, including:

  • Pay stubs and timesheets
  • Tax deduction records
  • ROE (Record of Employment) when employees leave

Step 8: Issue T4 Slips Annually

By February 28 each year, provide employees with T4 slips summarizing their annual earnings and deductions. File copies with the CRA to stay compliant.


Final Thoughts

Setting up payroll in Ontario requires attention to tax laws, employee details, and remittance deadlines. While small businesses can manage payroll manually, using payroll software or payroll services from Black Box Consultancy ensures accuracy and compliance.

Need help? Consider consulting a payroll expert or using a trusted payroll setup Ontario provider to streamline the process. By following this guide, you’ll avoid costly mistakes and keep your business running smoothly!

Looking for reliable payroll solutions? Explore top-rated Payroll Services Ontario today and stay compliant with ease!