Established in 1998, we are a professional corporation specializing in all areas of small business bookkeeping, accounting, and income tax services. Our area of expertise lies specifically in full bookkeeping and payroll services, which gives our customers sound financial information, tailored to their specific needs for each type of business.
Why We Do What We Do
We believe that accounting is about more than numbers. It’s about giving individuals and business owners the clarity, confidence, and peace of mind to make informed financial decisions.
We understand that managing financial records, meeting tax obligations, and keeping up with changing requirements can be overwhelming. Our purpose is to simplify these responsibilities, provide dependable guidance, and help our clients feel supported rather than burdened by their financial administration.
By taking care of the details, we help our clients spend less time worrying about their finances and more time focusing on what matters most to them.
Our Approach
We Listen
We take the time to understand
your circumstances, needs, and priorities.
We Plan
We identify practical solutions
and services suited to your situation.
We Follow Through
We prioritize accuracy, consistency,
and dependable service.
We Support
We help clients understand their
financial information and make informed decisions.
Our Values
Personal Service
We take the time to understand each client’s circumstances rather than applying a one-size-fits-all approach.
Reliability
We follow through on our commitments and provide consistent, dependable service.
Clarity
We make financial information understandable and communicate in a straightforward, practical way.
Continuous Improvement
We embrace better tools, processes and ways of working while maintaining the personal service our clients value.
Meet Our Team
Alain Mainville, Owner & Accountant
A graduate of St-Lawrence College, Alain has worked in various industries developing his skills and knowledge in the bookkeeping, accounting and taxation fields for over 30 years. He established himself independently in 1998 as Alain Mainville Accounting Services, choosing to help small businesses grow and succeed. Incorporated in 2010, Alain has made the commitment to serve his clients in Eastern Ontario, producing quality work while ensuring ethical standards and accuracy.
Along with his memberships in the Intuit ProAdvisor program, Institute of Professional Bookkeepers of Canada, and Quickbooks Advanced Certified ProAdvisor, Alain keeps up-to-date on current accounting practices and Income Tax laws.
Lyse Longtin, Bookkeeper
Lyse joined the Mainville & Associates/Associés Inc. team in 2012, bringing more than 25 years of bookkeeping experience with small businesses and non-profit organizations. Her background in retail and wholesale business provides her with a strong understanding of business operations and financial management.
She is also committed to community involvement, having led projects that supported non-profit organizations, including initiatives that helped create educational resources for children with dyslexia.
Theresa Mainville, Office Assistant
Theresa has been Alain’s strongest supporter. She has taken on the role of part-time office assistant along with various other roles as needed.
As the business has developed over the years, Theresa has been Alain’s sounding board and has been active in helping develop the business into the success it is today.
