Providing accounting, taxation, bookkeeping and business advisory services to owner-managed businesses in a variety of industry sectors.


Please note that we will be closed on Fridays during the Summer.
 (June 21 to Sept 22, 2022).

Helping Alberta business owners with tax advice for over 30 years.

Hamilton & Rosenthal Chartered Professional Accountants LLP

Hamilton & Rosenthal Chartered Professional Accountants LLP was established in 1988 and has locations in Calgary and Sundre, Alberta.


We strive to develop and maintain a long-term relationship with all of our clients by providing personalized, hands-on service


We share our firm’s expertise through newsletters that contain tax tips and traps, taxation law changes, and other important issues.

Our Team

We appreciate the opportunity to sit down with you to review your overall corporate structure and discuss your business.

Team of Accountants

Much More than Chartered Professional Accountants.

We have developed close working relationships with other specialists to provide services in such areas as corporate restructuring, succession and estate planning, legal, SR&ED, computer system design/support, insurance/bonding and financial planning.

Leave Us a Review

Happy with Us?

You mean the world to us, and we would love to learn more about your experience with Hamilton & Rosenthal.
Your review will help us deliver better experiences for future services & clients.

How do we get started?

Call us and we will direct you to one of the partners that can work with you and assess your needs.

(403) 266-2175

David Hamilton

Talk to David

(403) 514-2216

David devotes much of his time to the construction industry. He has developed a unique expertise in the requirements and reporting issues specific to this field.

Jayda Rosenthal

Speak with Jayda

(403) 514-2200

Jayda is dedicated to helping small business owners realize their goals. She strives to make financial reporting and tax compliance informative, useful and streamlined.

Robert Neufeld

Let Robert help you

(403) 514-2205

Robert is a business and community champion who is dedicated to volunteering with various non-profit organizations and going the extra distance for his clients.

Susan Mayfield

Give Susan a call

(403) 514-2222

Susan is experienced with owner-operated small businesses, tax planning, accounting software implementation, and Canadian and U.S. cross border issues.

Rachel Wang

Learn from Rachel

(403) 514-2203

Rachel is a dedicated and determined new Canadian who is fluent in three languages. She focuses her efforts in the area of in-depth taxation. She also enjoys music, singing and cooking but mostly taxes.

Tala Rosenthal

Contact Tala Today

(403) 514-2210

Tala is in the final stages of earning her Chartered Professional Accountant designations. She brings a fresh and current perspective to our Firm as accounting standards and tax laws change continually.

Calgary Construction Association

Member of the
Calgary Construction Association
since 1995

The Calgary Construction Association (CCA) promotes excellence in construction of building and honourable practice in the conduct of business and represents approximately 850 member companies.

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