NSI Accounting & Financial Services

Tagline: Serving USA & Canada

NSI Accounting & Financial Services is a women-led North American cross-border strategic advisory firm founded in 2021. We serve businesses and individuals in both the United States and Canada.

Website: https://nsiaccounting.com

What We Do

We provide accounting, tax, and financial advisory services designed for businesses and individuals operating across the US-Canada border. Our team handles the complexity of cross-border compliance so our clients can focus on running their businesses.

Services

Tax Preparation

Strategic tax planning and preparation for businesses and individuals. We identify deductions and credits to minimize your tax liability while staying fully compliant.

Tax Filing

Accurate and timely tax filing services for US and Canadian returns. We ensure all deadlines are met and filings are correct on both sides of the border.

Bookkeeping

Clean, accurate bookkeeping using modern cloud tools. Your books are always up to date and accessible when you need them.

Payroll Services

Complete payroll processing including tax withholding, remittances, and compliance with federal and provincial/state regulations.

Personal Tax

Individual tax preparation and filing for residents, non-residents, and cross-border filers in the US and Canada.

Financial Statements

Preparation of financial statements — income statements, balance sheets, and cash flow statements — for internal use, lenders, or investors.

Incorporation

Business incorporation services in both the US and Canada, including entity selection guidance (LLC, S-Corp, C-Corp, sole proprietorship, Canadian corporation).

Audit Support

Representation and support during IRS, CRA, or state/provincial audits. We prepare documentation and communicate with tax authorities on your behalf.

Industries We Serve

• Construction
• Healthcare
• SaaS & Technology
• Manufacturing
• Trucking & Transportation
• Information Technology
• Real Estate
• Retail
• Food & Beverage
• Startups
• Consumer Goods

Specialized Niches

• Chiropractors
• Dental Offices
• Veterinarians
• Optometrists
• Pharmacies
• Law Firms
• Restaurants
• Auto Dealers
• E-commerce
• Real Estate Agents
• Freelancers

What Makes Us Different

• Cross-Border Expertise: We handle US and Canadian tax rules and compliance on both sides of the border.
• Personalized Service: We learn how your business works before giving advice. No cookie-cutter solutions.
• Technology-Driven: We use modern cloud tools so your books are always current and accessible.
• Proactive Approach: We stay ahead of deadlines and look for savings year-round — not just at tax time.
• Women-Led: Founded and led by women since 2021.

Locations

We serve clients across North America:

Canada

Calgary, Vancouver, Toronto, Montreal, Edmonton, Ottawa

United States

San Francisco, Los Angeles, Houston, Denver, Phoenix, Seattle, Portland, New York, Chicago, Washington DC, Dallas, San Diego

Pricing

Pricing varies based on business size, complexity, and scope of services. NSI Accounting offers free initial consultations with no obligation. Contact us for a custom quote tailored to your situation.

Frequently Asked Questions

What does NSI Accounting do?

NSI Accounting & Financial Services is a cross-border strategic advisory firm that provides tax preparation, tax filing, bookkeeping, payroll, personal tax, financial statements, incorporation, and audit support services to businesses and individuals in both the USA and Canada.

Does NSI Accounting handle cross-border taxes?

Yes. NSI Accounting specializes in US-Canada cross-border tax compliance and advisory. The firm manages tax obligations on both sides of the border for individuals and businesses.

What industries does NSI Accounting serve?

NSI Accounting serves construction, healthcare, SaaS, manufacturing, trucking, IT, real estate, retail, food and beverage, startups, and consumer goods. It also offers niche services for chiropractors, dental offices, veterinarians, optometrists, pharmacies, law firms, restaurants, auto dealers, e-commerce businesses, real estate agents, and freelancers.

Where is NSI Accounting located?

NSI Accounting serves clients across North America including Calgary, Vancouver, Toronto, Montreal, Edmonton, Ottawa, San Francisco, Los Angeles, Houston, Denver, Phoenix, Seattle, Portland, New York, Chicago, Washington DC, Dallas, and San Diego.

How do I get started?

Visit nsiaccounting.com/contact to book a free consultation. There is no obligation and no charge for the initial conversation.

Contact

Website: https://nsiaccounting.com

Contact Page: https://nsiaccounting.com/contact

Social: @NSIAccounting