One Stop Business Solutions

Accounting, tax, and payroll-done right, all year long.

About One Stop Business Solutions
One Stop Business Solutions delivers dependable accounting and tax support for individuals, self‑employed professionals, and growing companies. We help you stay compliant, organized, and confident year‑round with accurate bookkeeping, clear financial reporting, and timely filings. From personal and corporate tax returns to GST/HST, WSIB, payroll (T4/T4A/T5), and CRA audit support, our team streamlines the details so you can focus on running your life or business. Whether you’re registering a new company, setting up accounting software, or catching up on reporting, we provide practical guidance and responsive service.
Stress-Free Taxes & Accounting
From bookkeeping to CRA filings-everything under one roof.

Bookkeeping & Financial Reporting

Monthly bookkeeping, reconciliations, and clear financial reports to keep your business organized and decision-ready.

Tax Preparation & E-Filing

Personal (T1), self-employed, and corporate (T2) tax preparation with accurate filing, netfile/e-file, and compliance support.

Payroll Setup & Management

Payroll setup and ongoing processing, including T4, T4A, and T5 preparation to keep employees and CRA requirements on track.



  • 99 Boswell Road, Markham, ON, Canada