Cross Border US Canada Tax Services
Coordinated tax, accounting, bookkeeping, HST/GST, CRA and IRS support for businesses operating between Canada and the United States, built for compliance, clarity and financial control.
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Contact us
- 1965 Britannia Rd W, Mississauga L5M 4Y4 Ontario, Canada
- corporateaffairs@ihcpa.ca
- +1 (647) 564-9666
- +1 (825) 772-2446
- Mon – Sat: 9:30 am – 6:30 pm, Sunday: CLOSED
Canada-US Cross-Border Tax, Accounting and Financial Control Services
Operating between Canada and the United States creates complexity across taxes, reporting, bookkeeping and compliance. Our team delivers coordinated cross-border support so your records are accurate, compliant and ready for CRA and IRS requirements.
Cross-Border Tax Coordination
Coordinated support across Canadian and US compliance needs.
Bookkeeping and Reconciliation
Clean books, reconciliations and multi-entity alignment.
HST/GST and CRA Support
HST/GST filings, reviews and CRA correspondence.
US Reporting Awareness
Built-in awareness of US tax reporting obligations.
Who We Work With
- Canadian corporations with US operations
- US corporations with Canadian operations
- Ecommerce and online sellers
- Import/export and distribution businesses
- Multi-entity and group structures
- Professional service firms and consultants
Cross Border Corporate Tax Support
We coordinate corporate tax planning, filings and compliance across Canada and the US to reduce risk and support growth.
- Canada-US corporate income tax
- Withholding tax and treaty review
- Year-end compliance and filings
Bookkeeping & Financial Control
Canada-US Bookkeeping and Financial Control
We keep your books accurate and aligned to show leaders what is happening across entities and platforms.
- Multi-entity bookkeeping
- Bank and merchant reconciliation
- Clean, audit-ready financials
Ecommerce & Marketplace Reconciliation
Ecommerce and Merchant Settlement Reconciliation
We reconcile merchant payouts, marketplace activity and platform fees so revenue and cash movement are reliable.
- Marketplace and PSP reconciliation
- Payout, reserve and fee analysis
- Revenue recognition support
Intercompany & Transfer Pricing
Intercompany and Transfer Pricing Support
We help you manage intercompany transactions, pricing policies and documentation to support CRA and IRS requirements.
- Intercompany agreements
- Transfer pricing documentation
- Pricing policy support
Inventory & Movements
Inventory and Cross-Border Movement Support
We support inventory tracking, cross-border movements and duty cost accuracy for smoother operations.
- Inventory and COGS review
- Cross-border shipment tracking
- Duty and landed cost support
Need Support With Canada-US Cross-Border Tax and Accounting?
Let’s get your compliance, bookkeeping and reporting aligned so you can grow with confidence.
Indirect Tax – Canada
HST/GST and Canadian Indirect Tax Support
We help you stay compliant with HST/GST rules, filings, reviews and CRA requirements.
- HST/GST filings and adjustments
- Input tax credit review and analysis
- CRA audit support and responses
Indirect Tax – US
US Sales Tax Nexus Review
We review your US sales tax obligations, nexus exposure and filing requirements to reduce risk.
- Nexus review and risk assessment
- Sales tax registration support
- Multi-state filing coordination
Our Operating Philosophy
Weak monthly structure creates cross-border tax problems. Our goal is simple — file-ready records throughout the year.
- Strong monthly processes
- Accurate records and reconciliations
- Proactive issue identification
- Clear communication
- Confident compliance
- Better financial decisions
HST/GST and Canadian Indirect Tax Support for Cross-Border Businesses
Timely financial information helps you understand performance, manage cash flow and make better decisions.
Monthly Financial Statements
Profit & loss, balance sheet and cash flow.
KPI and Trend Analysis
Key metrics and performance trends.
Cash Flow Visibility
Understand cash in, cash out and runway.
Management Insights
Clear insights to support better decisions.
Cleanup & Stabilization
Cleanup and Stabilization Before Ongoing Support
If your books are behind or disorganized, we clean up and stabilize your financials before moving into ongoing monthly support.
- Book cleanup and catch-up
- Reconciliations and adjustments
- Setup of strong monthly processes
- Transition to ongoing support