One Accounting

Welcome to One Accounting — Your Reliable CPA Firm Throughout Canada Established in 2017, One Accounting is a CPA-led professional accounting firm dedicated to assisting small and medium-sized businesses across Canada with their bookkeeping, tax, payroll, and financial management, allowing business owners to concentrate on growth. We have six office locations across the country: Toronto, Calgary, Mississauga, Hamilton, Burlington, and Oakville. In addition to face-to-face services, we also offer fully remote accounting and tax filing to clients throughout all Canadian provinces. Our team, consisting of Chartered Professional Accountants (CPAs) and Chartered Accountants (CAs), merges extensive technical knowledge with a genuine understanding of each client's business to provide precise, compliant, and dependable financial support aligned with your objectives. Why Opt for One Accounting? All-Inclusive Services Under One Roof From routine bookkeeping to corporate tax filing, payroll processing, personal tax returns, internal audits, and new business incorporation, we manage all your business’s financial needs in one location. Expert Team Led by CPAs Every engagement is managed by a Chartered Professional Accountant. Our staff includes CPAs, CAs, tax professionals, payroll specialists, and cloud accounting experts, guaranteeing the highest level of financial management. Fixed & Transparent Pricing We establish a fixed price upfront—monthly or quarterly—without any hidden fees, cancellation charges, or long-term commitments. You can cancel at any time with a 30-day notice period. Cloud-Based & Paperless Our operations are fully cloud-based, utilizing tools such as QuickBooks Online, Dext, and ADP to offer you real-time access to your finances from any location, eliminating the need for physical document copies. Quick Response Times We promise a response time of three hours for all client emails, ensuring you are always informed about the status of your work—no more chasing or waiting.