
One Accounting is a professional accounting firm serving clients across Toronto, Oakville, Hamilton, Mississauga, Waterdown, Calgary, and Burlington. We provide a wide range of accounting services for corporations and small businesses, including bookkeeping, tax preparation, payroll, and financial advisory services. In addition to our local support, we also offer remote accounting and tax filing services across Canada, making it easy for clients nationwide to manage their finances with confidence.
Business Accountant in Canada
Our Services
Work with top-rated business accountants providing expert services across Canada. We offer personalized tax planning, bookkeeping, compliance, and business advisory to help individuals and businesses achieve financial success.




Advisory
Why Choose Us?
Top Accountants for Your Financial Needs
We understand that every business accounting need is unique, with its own objectives and financial conditions. Therefore, as experienced accountants, we take pride in providing personalized support. In particular, we take the time to fully comprehend your company before developing strategies specifically tailored to meet your goals.
- One-Stop Firm
- Dedicated CPAs
- No Hidden Fees
- Quick Support
- Small Business Accountants
- Reasonable Pricing
- Professional Expertise
- Error-free Reporting
FREE CONSULTATION

Why Do Clients Choose One Accounting?
Looking for a reliable accountant in Canada? Then look no further! One Accounting is a well-established professional accounting firm based in Toronto, with offices across Oakville, Hamilton, Mississauga, Waterdown, Calgary, and Burlington.
Our experienced accountants provide comprehensive financial services for individuals and businesses, offering everything under one roof. Moreover, by using advanced accounting software and modern technology, we streamline financial processes, improve accuracy, and deliver real-time insights to support better decision-making.
CPA Accountants for All Businesses
At One Accounting, our experienced CPA accountants in Canada, based in Toronto (HQ) and supporting clients in Oakville, Hamilton, Mississauga, Waterdown, Calgary, and Burlington, deliver complete accounting, bookkeeping, and financial solutions with professionalism and expertise.
Our accountants are highly trained CPAs and CAs with decades of experience, providing expert support in bookkeeping, business accounting, Canadian tax, and provincial compliance. They ensure accurate, reliable, and professional handling of all your financial matters.
Get Expert Services from Professional Accountants

Our Priority: Clients
The main priority will always be our customers, and we work diligently to deliver reliable bookkeeping, business accounting, and tax services while respecting your priorities and guiding you toward the decisions that matter most.

Technology-Driven Accountants
We use modern cloud accounting tools and automation to streamline bookkeeping, improve accuracy, and give you real-time visibility into your business finances. In fact, automation and the right technologies save both time and costs. We implement these tools effectively to support your business operations.

Response Times
We understand that your time is valuable, so we won’t keep you waiting. To ensure prompt communication, we offer a guaranteed response time of 3 hours for emails. Additionally, we always make sure you are kept in the loop about the progress of any work being done for you.

We Focus On Simplicity
As a small business owner, you deserve the right solution to the challenges you face every day. With this in mind, we simplify your bookkeeping, business accounting, and financial processes, helping you focus on running your business with confidence.
What Our Clients Say






Software Partners
Accounting FAQs: Your Questions Answered
One Accounting has a team of dedicated accountants who provide professional financial management solutions tailored to small businesses and corporations. Specifically, we specialize in maximizing returns, minimizing tax burdens, and ensuring accurate bookkeeping, timely tax preparation, and strategic financial planning. Moreover, One Accounting connects you with Toronto accountants, ensuring expert financial management for businesses of all sizes. Let us be your trusted partner in navigating the complexities of your business finances, providing clarity and confidence every step of the way.
How Can One Accounting Help You?
What industries does One Accounting specialize in?
Our accountants provide expert financial solutions across various industries, serving businesses in sectors such as real estate, import and export, law firms, medical practices, restaurants, startups, dental clinics, consulting, manufacturing, and more. With a deep understanding of the unique financial needs of each industry, our team ensures tailored accounting, tax, and advisory services designed to help businesses thrive.
What Services Do Accounting Firms Offer to Your Business?
Whether you need tax planning, bookkeeping, or business advisory, our Toronto accountants at One Accounting are here to help. Additionally, we provide expert advice on tax compliance, budgeting, and strategies to improve profitability and streamline financial operations, ensuring your business stays on the path to success.
One Accounting proudly serves clients with offices in Toronto, Oakville, Hamilton, Mississauga, Waterdown, Calgary, and Burlington, delivering expert financial solutions across multiple regions. By expanding our reach, we ensure businesses in these locations receive the highest level of financial expertise and support.
The cost of hiring a Canadian accountant varies depending on the services required, with hourly rates typically ranging from $100 to $400. Additionally, factors such as the complexity of your financial needs, the accountant’s experience, and whether you require specialized services like tax planning or corporate accounting can significantly influence the final price.
As CPAs in Toronto, we bring advanced qualifications, extensive training, and a commitment to ongoing professional development, ensuring a higher standard of financial expertise. Moreover, we are equipped to handle complex financial challenges, provide strategic business advice, and ensure full compliance with regulations, making us a reliable choice for your financial needs.
Competitive Advantage

Reliable - 24/7 Support
To answer your questions, you have access to a dedicated team of experienced professionals. Specifically, our team of accountants includes CPAs, tax specialists, information technology experts, and payroll specialists, ensuring comprehensive support for all your financial needs.
Fixed Pricing (Monthly or Quarterly)
Cloud-Based Solutions
Our professional accountants use the best cloud-based tools to interact with you digitally while providing up-to-date financial information in real-time. By leveraging automation, we streamline transaction categorization and reconciliation, helping you save time and reduce the risk of errors.


