Illustration of a woman with gray hair, wearing glasses and a light blue shirt, sitting at a desk and working on an orange laptop.

Who we are

Sumsets is a modern, cloud-based bookkeeping firm serving businesses and entrepreneurs across Canada. We provide reliable bookkeeping, payroll, and financial reporting services designed to bring clarity, organization, and confidence to your numbers. Our approach is straightforward and efficient, with accurate books, timely reporting, and systems that support smart business decisions.

Sumsets was founded by Tia Fowler, who brings over 18 years of experience as an in-house accountant. A graduate of St. Lawrence College with a Business Administration - Accounting diploma, Tia also completed Advanced level studies in the CGA program and previously held a Payroll Compliance Practitioner (PCP) certification. She is a QuickBooks Online ProAdvisor, Xero Certified Advisor, and proficient in property management platforms including Yardi Voyager and Breeze. After nearly two decades working behind the scenes within organizations, Tia launched Sumsets Accounting to focus on the work she loves most, supporting clients directly and making a meaningful impact on their businesses.

QuickBooks Certified ProAdvisor badge for QuickBooks Online
Xero accounting software logo with black background and text in blue and black.
YARDI logo with a blue and black design.
Yard Breeze logo with wind icon and text