Accountant Toronto | Professional Accounting Services
Experienced accountants in Toronto offering bookkeeping, tax filing, payroll, and financial advisory. One Accounting helps you manage your finances efficiently.
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Tax and Accounting Services in Toronto
At One Accounting, we provide practical tax and accounting services in Toronto to help individuals and growing businesses stay organized, compliant, and in control of their finances. We make sure your records are accurate, your deadlines are met, and your financial information is easy to understand when you need it most.
Our accountants bring together technical skill and local experience to support your day-to-day bookkeeping, business accounting, and tax requirements. From personal tax preparation to corporate filings and ongoing bookkeeping support, every task is handled carefully and delivered on time.
When you work with a dedicated Tax Accountant in Toronto, you also gain access to year-round accounting support that helps you understand your numbers, manage cash flow, and make informed business decisions. We handle the details, so you can focus on running your business.
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.
Our accountants in Canada offer bookkeeping services that streamline your financial processes, reduce errors, and provide valuable insights.
Our tax services include tax planning and filing, minimizing your company's tax liability while maximizing deductions.
We handle employee salary calculations, deductions, taxes, benefits, and other Canadian payroll compliance requirements.
Advisory
We offer expert guidance and
strategic solutions to help small
businesses achieve their objectives and overcome challenges.
Businesses We Support in Toronto
Toronto is home to a wide range of growing small businesses, and we support many of them with structured accounting and financial management services.
- Small businesses requiring steady bookkeeping, clear reporting, and better visibility into expenses to plan for growth
- Startups managing early-stage operations, including cash flow, funding, and initial tax obligations
- Restaurants and cafes handling payroll, reporting, and day-to-day financial tracking during fluctuating business cycles
- Construction and trades businesses tracking project costs, materials, and labour expenses for accurate financial reporting
- Real estate agents and landlords managing rental income, expenses, and seasonal financial reporting requirements
- Tech companies and service firms requiring structured financial reporting as they scale operations
- Self-employed professionals and consultants with income that does not follow a predictable pattern
- Healthcare and wellness practices requiring streamlined accounting support to reduce administrative workload
- Law firms managing trust accounts, client billing, and compliance-related financial reporting
- Import and export companies managing inventory-related finances, foreign payments, and multi-jurisdictional tax requirements
Every business operates differently, so we tailor our accounting support to align with your financial workflows and day-to-day operations.
Our Process
Managing your finances involves several moving parts, especially when tax and accounting requirements are involved. We break the work into clear steps and keep you informed throughout each stage of the process.
1. Initial Consultation
We start with a conversation about what you need help with and when tasks must be completed. You explain your situation, and we listen carefully while asking the right questions.
2. Tax and Accounting Assessments
Once we review your records, we identify key areas that require attention and determine the next steps. You gain a clear understanding of your financial position and what comes next.
3. Tax Strategy and Planning
Together, we map out a plan that supports your goals and helps you avoid surprises when deadlines approach. We help you take care of key requirements in advance so deadlines don’t become last-minute problems.
4. Preparation and Filing
Documents are prepared carefully and submitted to the CRA on time. We keep you informed about what’s being filed and why it matters for your business.
5. Ongoing Support and Advice
After filing, questions often come up. We continue to be available throughout the year so you never feel left on your own.
What Our Tax and Accounting Specialists in Toronto Do
Your accountant in Toronto supports your tax and accounting responsibilities from start to finish. We monitor compliance requirements, share updates that may affect your finances, and explain your financial information in a way that is easy to follow. This helps you stay prepared for deadlines instead of managing filings at the last minute.
Why Choose One Accounting as Your Accounting and Tax Partner
Here’s what businesses often value when working with us:
- You receive timely responses to your accounting and tax queries.
- We understand how Toronto’s tax regulations apply to day-to-day business operations.
- Proactive financial planning helps you stay prepared throughout the year.
- Your financial records are managed using secure and reliable accounting systems.
- Transparent pricing helps you understand your costs in advance.
- Our services are aligned with your business priorities and operational needs.
This allows you to focus on running your business while we manage your accounting and tax responsibilities.
Support Built Around Your Needs
Every business operates differently. Some may require payroll support, while others manage rental properties, U.S. income, or growing investments. Some clients prefer regular financial check-ins, while others rely on us to manage their accounting and bookkeeping processes with minimal day-to-day involvement.
We tailor our accounting and advisory services to the way your business runs, so the support you receive fits naturally into your day-to-day operations.
Meet Our Team
What Our Clients Say
"Very knowledgeable and simple to collaborate with. Wonderful Business!!!"
Diane CochraneFounder & CEO, Stocked Cellars 
"Outstanding level of service. Highly recommend"
Layth Ashoo Managing Partner, Golden Spruce Capital 
"Very knowledgeable and easy to work with. Great company !!!"
Steve AllenDirector Of Operations, Knew Sales Group 
"We have been getting our taxes filed, books maintained from one accounting and the kind of understanding they have, the way they explain about taxes is really amazing and helpful!"
Pulkit DhandaWhiterose Janitorial 
"Very professional and friendly service. Would highly recommend to all my friends."
Smitha MaryWellCare Urgent Care 
8-hour (or better) Response Times
Designated
Bookkeeper
Bank
Reconciliations
Monthly Profit &
Loss Statements
Electronic Receipt
Submission Platform
FAQs
These FAQs provide a basic overview of our tax and accounting services. For specific questions or inquiries, it’s advisable to consult with our accountants.
Yes. If the CRA requests additional information, our team will help you prepare the necessary responses and guide you through each step of the audit process.
Yes. If you earn income in Canada, the United States, or both, we can help you manage cross-border filings and stay on track with your reporting requirements.
Most individuals file their personal tax returns by April 30. If you’re self-employed, your deadline may be different.
If you earn income in Canada or plan to claim benefits or credits, you’ll generally need to file a tax return.
Yes. We help with planning, filing, and any questions that come up throughout the year, not just during tax season.
We help you respond to CRA concerns and guide you through the next steps if any issues arise.
One Accounting offers bookkeeping, personal and corporate tax filing, payroll, HST/GST returns, and financial advisory services. They also cover international, non-resident, cross-border, real estate, and non-profit taxes.
Yes, they support small businesses with bookkeeping, expense tracking, and clear financial reporting tailored to their industry. Services are customized to fit your day-to-day operations and growth goals.
Yes, One Accounting handles federal and provincial tax filings for corporations, partnerships, and sole proprietors. They ensure accurate, on-time filings and provide year-round planning support.
Yes, they assist individuals with all types of personal returns, including rental income, investments, and self-employment. They ensure all eligible credits and deductions are applied to your filing.
Yes, their team files your HST and GST returns accurately and keeps your records organized to avoid penalties. They can also review and correct any issues with past filings.
One Accounting offers local tax expertise, transparent pricing, proactive planning, and year-round support. They handle the details so you can stay focused on running your business.
Requirements vary by situation but typically include income slips, receipts, and financial statements. The team will guide you on exactly what to prepare before filing.
Google Reviews
Posted on Google 
kaia naturals
Trustindex verifies that the original source of the review is Google. We have worked with One Accounting for over a year now and when they took us on things were a bit of a mess...after 8 months of hard work they have turned things around and accounting has been so much easier for us now and they are a pleasure to work with
Posted on Google
Avi Abrams
Trustindex verifies that the original source of the review is Google. Such a pleasure working with the One Accounting team for both my corp and personal taxes. They’re very detailed oriented, knowledgeable and proactive. Highly recommend.
Posted on Google
Rob Marot
Trustindex verifies that the original source of the review is Google. Being a startup, One Accounting has lifted a huge weight off of our shoulders and their team takes great care of us!
Posted on Google
Daniel Lawson
Trustindex verifies that the original source of the review is Google. Sunith and the team at One Accounting are awesome. The team is responsive, knowledgeable, and very competitive on price. I looked at half a dozen companies for my tax needs and I am very pleased with my choice. If you are looking for an accountant, I highly recommend you have a meeting with Sunith and see if One Accounting is a fit.
Posted on Google
Hannah McCaffery
Trustindex verifies that the original source of the review is Google. First time with them and it was a pleasant experience! Thanks!
Posted on Google
Jaylen Whyte
Trustindex verifies that the original source of the review is Google. Good company
Posted on Google
M A
Trustindex verifies that the original source of the review is Google. Excellent service, professional support, and very helpful throughout the process. Sunith and the team were responsive, efficient, and made everything much easier. Highly recommended.
Location
City
Toronto
Address
18 King St E Suite #1400,
Toronto, ON M5C 1C4, Canada
Phone
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Ready for Stress-Free Tax and Accounting Support?
If you want help with taxes, filing requirements, or day-to-day bookkeeping, we are here to support you. Work with a tax accountant in Toronto who handles the complex parts so you can have more time for what matters each day.
