Financial clarity starts here.
Practical insights, real-world advice, and straight talk from the Castle team. Whether you're managing your own books or growing a business, we're here to help you stay organized, confident, and CRA-ready.

Terms of Service
Welcome to Castle! These terms of service outline the rules and regulations for the use of our bookkeeping services.
By accessing this website and using our services, you accept these terms and conditions in full. Do not continue to use Castle services if you do not accept all of the terms and conditions stated on this page.
Castle offers professional bookkeeping services including transaction categorization, reconciliations, financial reporting, GST/HST filing, and other related services as agreed upon with the client.
2. Billing and Payments
All services provided by Castle are billed on a recurring basis unless otherwise
agreed upon. Payments are due upon receipt of invoice. We accept payment via credit card, debit card, and electronic funds transfer.
3. Cancellation and Refund Policy
Clients may cancel services at any time by providing 30 days’ notice in writing or via email. Refunds for prepaid services will be prorated based on the remaining unused portion of the services.
4. Privacy Policy
Our privacy policy outlines how we collect, use, and protect your personal information. We do not sell or share your information with third parties without your consent, except as required by law.
5. Liability
Castle will perform all services with reasonable care and skill. However, we do not accept liability for losses resulting from acts of nature, third-party errors, or misuse of financial information or reports by the client.
6. Amendments
Castle reserves the right to amend these terms of service at any time. Amendments will be effective immediately upon posting on this website.
7. Contact Us
If you have any questions about this privacy policy or our privacy practices, please contact us at:
Castle
316 1st Ave NE
Phone: 587-872-0602
Email: info@bookwithcastle.com
Financial clarity starts here.
Practical insights, real-world advice, and straight talk from the Castle team. Whether you're managing your own books or growing a business, we're here to help you stay organized, confident, and CRA-ready.
Vehicle Expenses: The Complete CRA-Compliant Guide (Fuel, Insurance, Mileage, Depreciation)
November 24, 2025
To deduct vehicle expenses in Canada, you must: track a mileage log calculate business percentage keep all receipts prorate mixed-use costs apply CCA or lease rules correctly Deductible costs include fuel, repairs, insurance, registration, parking, leasing, depreciation, and loan interest. No mileage log = no deduction.
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The CRA’s Golden Rules for Documenting Expenses (The Audit-Proof Method)
November 23, 2025
To deduct an expense, you must be able to prove it. Document: receipts notes mileage home office calculations inventory mixed-use percentages Store everything digitally for 6 years. The CRA trusts documentation, not memory.
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What Actually Counts as a Business Expense? (And What Does Not)
November 22, 2025
Business expenses must be necessary, reasonable, and tied directly to earning income. Deduct: supplies, tools, marketing, vehicle use, home office, training, and professional services. Sometimes deduct: meals (50%), travel (if business-primary), phone/internet (prorated), safety or branded clothing. Do NOT deduct: personal items, daily coffees, fines, regular clothing, or commuting. When in doubt: Document it properly, or ask your bookkeeper.
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You’re Probably Undercharging — And Your Books Can Prove It
November 19, 2025
Most businesses don’t fail because of bad service. They fail because their pricing never matched their reality. When you price based on clean numbers: You stop undercharging You stop guessing You stop feeling drained You stop chasing volume You start building a business that works for your life Your price isn’t the problem. Your math is the problem. And your books hold the solution.
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Why Your Business Feels Broke Even When Sales Are Strong: The Cash Flow Timing Trap
November 18, 2025
Your business can be profitable and still feel broke. It can be growing and still feel stressful. It can be doing everything right and still feel financially tight. That’s the Cash Flow Timing Trap. When you understand timing — and when your books accurately show what’s happening — you stop feeling overwhelmed and start feeling in control. In most cases, the business isn’t broken. The timing is.
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