Income tax preparation – Corporate tax returns – US tax returns – Flat fee US gambling tax recovery – HST filing and bookkeeping services

CIS Income Tax and Accounting Services has been making tax time easier in Niagara Falls and the Niagara Region since 1981. We dig deep to get you the best refund possible and will communicate with the Canada Revenue Agency on your behalf.

Open late Feb to May – Short wait times to sit with our tax professionals – No appt. needed

 Get on the spot refunds with CIS Fast Cash Refund®

Visit our tax tips page to learn about current tax credits, exemptions and programs.

Accounting Services

Year round accounting services for businesses throughout the Niagara Region, Halton and the GTA. Small business and corporate tax returns. Let us do your HST filing and payroll so you can concentrate on your success!

US and Canadian tax filing image

US Tax Returns & US Gambling Tax Recovery

We prepare Canadian and US income tax returns and specialize in recovering taxes paid on US gambling wins. Don’t let the IRS keep your winnings, come and see us and we’ll get your money back for you.