Welcome to CIS Income Tax and Accounting Services. Niagara’s trusted tax experts since 1981.
Thank you for yet another successful tax season! Haven’t filed yet? Don’t worry! We are still open and in office Monday through Friday during the summer. We are operating on a drop-off only basis – please drop off or email us a completed Drop Off Form & Authorization Form.
The Drop-Off sheet is fillable only with Adobe or can be filled manually after printing. Once completed, please drop off, post, scan, or email your documents to us.
Get on the spot refunds with CIS Fast Cash Refund®
Visit our tax tips page to learn about current tax credits, exemptions and programs.
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 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.