NSI Accounting & Financial Services

    Cross-Border Strategic Advisory Firm

    About NSI

    NSI Accounting & Financial Services is a North American cross-border strategic advisory firm serving businesses across Canada and the United States. Founded in 2021, NSI was built to move beyond traditional compliance accounting and provide proactive, strategy-driven financial leadership to growth-focused companies.

    Our Services

    2021

    Founded

    US & CA

    Cross-Border

    CPA

    Licensed Professionals

    Women-Led

    Leadership

    Who We Are

    Strategy-Driven Financial Leadership

    Led by experienced Canadian and U.S. CPA professionals, our firm specializes in corporate tax strategy, cross-border structuring, financial forecasting, and advisory services for entrepreneurs, professional practices, and expanding enterprises.

    We focus primarily on businesses — not just year-end filings — but long-term partnerships that support recurring growth, financial clarity, and multi-entity optimization across jurisdictions. Our bookkeeping and financial reporting services ensure you always have a clear picture of where your business stands.

    NSI is proudly women-led and built on a foundation of technical excellence, integrity, and strategic thinking. We serve clients across industries including construction, healthcare, and SaaS. Through technology-driven systems and cloud-based platforms, we deliver seamless advisory services nationwide without geographic limitations. Get in touch with our team to learn more.

    Established

    2021

    Serving North America

    Canada
    USA

    What Sets Us Apart

    Why NSI

    Built for businesses that need more than a bookkeeper — they need a financial partner.

    Cross-Border Expertise

    Deep knowledge of Canadian and U.S. tax systems, enabling businesses to expand confidently across borders.

    Strategic Advisory Focus

    Beyond compliance — we provide tax planning, financial forecasting, cash flow strategy, and corporate structuring.

    Business-First Approach

    Our core focus is supporting corporations, professional firms, and scaling businesses seeking recurring advisory relationships.

    Technology-Driven Systems

    Cloud accounting, automation, and real-time reporting tools designed for modern enterprises.

    Long-Term Partnership Model

    We build strategic relationships that support businesses through every stage of growth.

    Our Journey

    From Launch to National Platform

    Pre-2021

    Building Cross-Border Expertise

    Extensive professional experience in Canadian and U.S. accounting, taxation, and corporate advisory, serving entrepreneurs and growth-driven businesses across North America.

    2021

    Official Launch

    NSI Accounting & Financial Services incorporated with a mission to redefine the client experience through strategy-focused accounting.

    2022

    Business & Professional Focus

    Shifted toward corporate clients and professional practices seeking proactive tax optimization and advisory services.

    2023

    Strengthened Cross-Border Operations

    Expanded Canada–U.S. tax and structuring services to support businesses entering new markets.

    2024

    Advisory & CFO Services Expansion

    Introduced forecasting, financial modeling, and fractional CFO services to support scaling enterprises.

    2025

    National Growth Platform

    Positioned as a North American advisory firm serving clients across Canada and the United States through a scalable digital model.

    2030

    Multi-City Expansion (Vision)

    Strategic plan to establish physical offices in major financial centers across Canada and the U.S., creating a fully integrated cross-border advisory network.

    Our Credentials

    Professional Standards You Can Count On

    Our team holds recognized certifications across both Canadian and U.S. jurisdictions, so you get advice grounded in real expertise.

    Certified Public Accountants (CPA)
    Chartered Professional Accountants (CPA Canada)
    QuickBooks ProAdvisor Certified
    Xero Certified Partner
    IRS Enrolled Agents
    Cross-Border Tax Specialists

    Women-Led

    Proudly Founded & Led

    Advisory-First

    Strategy Over Compliance

    Cross-Border Specialists

    Canada & U.S. Tax Expertise

    Ready to Work Together?

    Let's talk about how NSI can support your business with proactive tax strategy and financial advisory.