About Our People

Mathew Irwin


“The best part about working at Welch is making an impact on the growth of our clients and staff. Both clients and staff can be anywhere on the learning curve and it feels good to help them progress while learning from them as well.”

Mathew Irwin has over 19 years of experience in providing assurance and business advisory services to owner managed businesses (in particular, automotive and construction sectors), not-for-profit organizations and government agencies. Mathew has worked with many clients from the inception of their business as a start-up through to their success and he loves watching his clients grow their business and succeed.

Mathew Irwin has been with Welch LLP since 1997 after graduating from Bishop’s University. Mathew received is CA designation in 2001 and was promoted to Partner in 2012. Aside from working with clients, Mathew plays active role in the recruitment and development of Welch’s new staff.

Quick Facts

Joined Welch in



Bachelor of Administration, Bishop’s University


CPA Ontario, CPA Canada

Favorite quote/ Words of Wisdom

You have two ears and one mouth for a reason. You are meant to use them in that proportion.

Community involvement

Treasurer of Café Ottawa

Hobbies/ talents

Biking, hockey and fishing

Favorite books (or authors)

Catcher in the Rye, The Glass Castle, The Book of Negroes, Angela’s Ashes and Into Thin Air.

Most memorable vacation

East African Safari. This was an overland camping trip traveling through Kenya, Tanzania and Uganda. The animals (from lions to mountain gorillas) were great, but the people/cultural experience made the biggest impact. It makes you appreciate what you have and to not sweat the small stuff.

Favorite music

I was a big fan of the 90’s grunge era in particular Nirvana and Pearl Jam. These days, Raffi seems to own the airwaves.

Favorite movie

The Shawshank Redemption

Personal accomplishment/ most proud of

My wife and I are most proud of our three daughters.

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