TLDR
Tax deductions, also known as write-offs, allow business owners to reduce the amount of tax they pay.
Many everyday business costs may qualify as deductions.
Keeping clear, organized receipts is essential – you may need them for proof if requested by the CRA. Credit card statements aren’t enough.
A few simple systems can make tax time feel far more manageable – and help you keep more of your money.
Running a small business takes time, energy and a lot of investment along the way. When tax season rolls around, it can feel overwhelming trying to sort out which expenses you can deduct – and how those deductions actually affect what you owe.
The good news is that many of the costs you’ve already taken on to run your business may help reduce your tax bill. Knowing which expenses are deductible can make a meaningful difference in how much of your hard-earned money you keep at the end of the year.
How tax deductions reduce your taxable income
Tax deductions, also called write-offs, are one way business owners can reduce the amount of tax they pay.
Here’s how deductions work:
- Throughout the year, you keep a record of your business expenses
- At tax time, you claim these expenses on your tax return
- Your total income is reduced by those amounts
For example, if your business income for last year was $100,000 and you claim $12,000 in expenses, you’re taxed on $88,000 – not the full $100,000. The exact savings depend on your tax rate, but the idea is straightforward: eligible expenses can help lower your overall tax bill.
Common small business tax deductions in Canada
Many of the day-to-day costs of running a business may qualify as deductions. Below are some of the most common categories.
Administrative expenses (software, bookkeeping, banking fees)
Running a business comes with ongoing administrative costs – tools, systems and services that keep things organized behind the scenes.
Accounting and tax software
The tools you use to manage your finances are typically deductible, including:
- Subscription fees for platforms like Quickbooks, Freshbooks or Xero
- Expense tracking or invoice tools
- Bookkeeping or financial management apps
Business bank fees and interest deductions
Many business banking costs are deductible against the income you earn:
- Monthly account fees
- Transaction fees
- Wire transfer costs
- Business credit card annual fees
- Interest on business lines of credit
Office expenses (home office and commercial space deductions)
Where you work – whether at home or in a dedicated commercial space – comes with costs that may be partially or fully deductible.
Home office versus commercial space deductions
If you rent or own a commercial space, deductible expenses may include:
- Rent or mortgage payments
- Utilities
- Property taxes
- Maintenance and repairs
If you work from home, you may be able to claim a portion of your home expenses based on how much of your space is used for your business. This includes a percentage of:
- Rent or mortgage interest
- Utilities
- Property taxes
- Internet
Business supplies and equipment deductions
The everyday items you need to operate your business can also be included:
Office supplies like paper, pens and printer ink Equipment such as computers, monitors or printers Materials or inventory used to create and/or deliver your product or service
Marketing and advertising deductions (digital and print)
Getting your business in front of the right people often comes with a cost – and many of those costs may be deductible.
These can include:
- Digital advertising (Google, Meta, LinkedIn)
- Website hosting and domain fees
- Professional website design and maintenance
- Business cards and printed marketing materials
- Email marketing platforms
- SEO services and content marketing
Professional development deductions (courses, training, conferences)
Investing in your own skills or your team’s capabilities can support business growth, and some of these costs may qualify as deductions.
Examples of deductible expenses include:
- Workshops and conferences
- Courses or certifications
- Industry training programs
Travel and vehicle deductions for business use
If you’re on the move with your business, certain transportation and travel costs may be eligible.
Vehicle expenses (business-use portion only)
If you use a vehicle for business, you can claim the business-use portion of expenses, such as:
- Gas
- Insurance
- Maintenance
- Repairs
- Lease or loan payments
Tracking is important here. For example, if 75% of your driving is for business, you can claim 75% of your vehicle costs.
A simple mileage log can help you keep track, including:
- Date of each business trip
- Start and end locations
- Purpose of the trip
- Distance travelled
Note: Your commute from home to your regular place of business is generally considered personal travel, not business use.
Business travel expenses (flights, hotels, transportation)
When travel is directly related to your business, deductible expenses may include:
- Airfare or train tickets
- Hotel accommodations
- Rental cars
- Taxis and ride-shares
- Parking at business destinations
Meals and entertainment deductions (partial limits apply)
Building relationships is part of running a business, and sometimes that happens over a meal or at an event.
Eligible expenses may include:
- Client meals
- Meals during business travel
- Team meals during work events
- Entertainment expenses while conducting business
In many cases, only a portion of these expenses can be claimed, so it’s helpful to keep that in mind when tracking.
Are you a freelancer or side-hustler? Read more about tax deductions for solopreneurs.
What the CRA looks for in business expense claims
When it comes to deductions, context plays a big role. A common piece of advice provided by accountants and advisors is simple: be reasonable. If an expense feels more personal than business-related, it may not qualify – and it’s likely worth leaving it off your tax return.
Commonly scrutinized deductions
Certain categories tend to get more attention, including:
- Vehicle expenses
- Personal health and life insurance plans
- Entertainment and meal expenses
- Travel and professional fees
Remember, some expenses are only partially deductible and limited to a percentage of the total cost. A quick check with an accountant can help bring clarity if something feels unclear.
What receipts you need for CRA proof
Do you really have to save every receipt for expenses you want to claim?
The answer is YES.
For any expense you plan to claim, you’ll need a receipt that shows what was purchased, when and where. A credit card statement on its own usually isn’t enough.
A simple habit that can help: snap a photo of receipts as you get them and store them in your accounting software or a dedicated folder. It saves time later and keeps everything in one place if you ever need to reference it.
New business owner? Discover more tax filing tips to make tax season a little easier.
Simple ways to track business expenses year-round
A few easy systems can make a big difference when tax season comes around:
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Keeping business and personal spending separate, such as through a dedicated business bank account
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Using accounting software to track expenses throughout the year
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Staying consistent with how you categorize your expenses
These habits don’t eliminate the work (or the anxiety) of tax season entirely, but they can make the process feel far more manageable. For more tips, take a look at these four steps for getting your small business finances organized.
Tax time can feel overwhelming, especially when you’re already juggling everything that comes with running a business. But taking the time to understand what you can claim may help you hold on to more of what you’ve worked so hard to earn.
Want to feel more prepared next tax season? Explore these 5 Proactive Steps that can help you approach filing with confidence.
This article is intended as general information only and is not to be relied upon as constituting legal, financial or other professional advice. A professional advisor should be consulted regarding your specific situation. Information presented is believed to be factual and up-to-date but we do not guarantee its accuracy and it should not be regarded as a complete analysis of the subjects discussed. All expressions of opinion reflect the judgment of the authors as of the date of publication and are subject to change. No endorsement of any third parties or their advice, opinions, information, products or services is expressly given or implied by Royal Bank of Canada or any of its affiliates.
