Looking to start, grow or sell your business? We can help.

If you are a business owner and have questions about financial planning, managing your finances, professional accounting, or our Value Building program, we look forward to hearing from you.

Please fill out the form below to contact our team or book a 30-min call with Ray at the link below.  Your first consultation is free with no obligation. 

R.Tisi Professional Corporation

R. Tisi Professional Corporation provides business accounting and financial management services to Welland, Niagara and Hamilton area.  

707 East Main St.

Welland, Ontario  L3B 3Y5

Phone: 905-788-2030

Toll free: 1-877-788-2030

Fax: 905-788-3126


Our Team

Raymond Tisi, CPA, CA, B. Math

Vivian Tisi
Office Manager

Derly Valencia, CPA
Account Manager

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