Phone or Text
587-872-0602

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.

We’re not just about spreadsheets—we’re about people. Behind every clean set of books is a business owner working hard to grow, and we’re here to make sure your numbers support your goals, not stress you out.

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.

1. Services Provided
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
Phone or Text
587-872-0602

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.

We’re not just about spreadsheets—we’re about people. Behind every clean set of books is a business owner working hard to grow, and we’re here to make sure your numbers support your goals, not stress you out.
Our Blog

Documentation: Audit-Proofing Your Write-Offs

December 6, 2025

• CRA expects receipts, proof of payment, and a clear business purpose • Digital records are acceptable and encouraged • Keep documents for six years in case of audit • Certain categories require extra support such as mileage logs Good documentation does not just protect deductions — it builds stronger financial control in your business.

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Meals and Entertainment: The 50% Rule Explained

December 4, 2025

• Most meals and entertainment are subject to the 50 percent rule • The expense must have a clear business purpose and attendees • Full deductions are limited to specific staff and promotional events • Proper receipts and notes prevent disallowed claims Handled correctly, client meals can be a useful and compliant business deduction.

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Vehicle Expenses: Deducting the Cost of Driving for Business

December 2, 2025

• Only business-related driving can be deducted • A detailed mileage log is required to support the claim • Apply your business-use percentage to eligible operating costs • Lease payments or CCA offer different ways to write off the vehicle’s value Accurate tracking turns everyday driving into real tax savings.

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The Home Office Deduction: How Much Can You Really Claim?

December 2, 2025

• Home office claims must be tied to a dedicated workspace • Square footage drives the percentage you can deduct • Claims cannot create or increase a business loss for sole proprietors • Detailed records are essential to support your numbers

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GST/HST on Expenses: What You Can Recover and What You Can’t

November 30, 2025

• Registered businesses can recover GST/HST paid on qualifying expenses • Documentation must confirm the tax paid and business purpose • Certain categories like meals have limited recovery • Full ITCs on capital assets can significantly reduce out-of-pocket tax

Read More