About Us

Since 2017, Kowalski CPA has been offering a full range of services to individuals, businesses and estates. Our approach has always been to provide an easy and pain-free way for clients to handle their reporting and taxes, and to provide meaningful input to their business.

​Kowalski CPA is a registered firm with the Chartered Professional Accountants of Ontario

Our Team

Mark Kowalski, CPA, CA

​Mark obtained his CPA in 2013 during his early career with two mid-size Canadian accounting firms. During this time, his areas of expertise included not for profit audit, Canadian and US tax matters and personal taxes.

​Mark's audit experience took him around the country as he developed a specialization in working with first nation and Inuit groups in the North. He regularly travels to Nunavut to perform audit and accounting services to NPOs and Municipalities there.

​In 2017, Mark opened his own firm in order to provide a more personal level of service to his clients as well as develop relationships with businesses as external accounting support.

Mark also serves on the audit and finance committee of the Child and Nature Alliance of Canada.

Mosope Daniel Adegbemi

Daniel is a Staff Accountant with Kowalski CPA and has been with us since 2021. He graduated from the University of Ottawa in 2020 with a Honours Bachelor’s Degree with specialization in Accounting and currently pursuing his CPA designation.

Daniel specializes in working with owner-managers and assisting with the initial setup of accounts and books for new businesses and newly incorporated companies. In his free time, he enjoys playing and watching soccer.

Ryan Tansley

Ryan is a Junior Accountant with Kowalski CPA. He completed his undergraduate degree in Commerce at Carleton University while gaining experience in bookkeeping for local small and medium-sized businesses in Ottawa.

Prior to his career in accounting, Ryan played drums and was a songwriter for multiple groups in Ottawa. He’s thrilled to be part of the team at Kowalski CPA while completing his CPA designation!

Say Hello

Reach out today to see how we can help you and your business with your tax and accounting needs.