CIS Income Tax Service

Accounting and Personal, Corporate, and U.S. tax return preparation in Niagara Falls. Voted as Best Tax Service in Niagara! We are proud to offer U.S.

Gambling Winnings Tax Recovery! CIS Income Tax Service has been operating for more than 40 years. Our tax preparers and reviewers collectively have decades of experience with all types of personal income tax returns. We participate in multiple annual tax update seminars and courses to ensure that we stay up to date on everchanging tax legislation. We have a strict review process in place, allowing  ...