Welcome to Tonin & Co. LLP

Tonin & Co. LLP is a full service accounting firm serving the Southwestern Ontario community. Working with local business owners and not-for-profit organizations to meet their comprehensive needs is our specialty.


Our expertise in long-term business management, including maximizing business value, business growth, and succession planning has been invaluable to our diverse client base. The trusted relationships with our clients are a collaborative partnership. We want to see businesses and organizations grow and thrive. We enjoy providing guidance and advice to our clients, every step of the way!


Tonin & Co, LLP is always looking for new clients. We offer complimentary initial consultations to better understand your needs and how we can be of assistance. Please do not hesitate to contact us if you are looking for a reliable, trustworthy accountant and advisor who is always looking out for your best interests.


Please call our office at 519-822-5307 and ask to speak to Peter Tonin, Pat Brooker, or Tim Lopinski.