Who We Work With

Helping Businesses & Private Clients With Their Financial Challenges

MDP helps a wide range of businesses and private clients throughout the Greater Toronto Area and Southern Ontario.

Delivering valuable financial solutions to our clients begins with detailed knowledge of the industries in which they operate, the solutions to their challenges and their unique financial situations.

Accounting for Corporations


Helping businesses across nearly two dozen different industries throughout Ontario, including those with in-house accountants, bookkeepers, & controllers.
Accounting for Business Owners

Business Owners & Shareholders

Supporting business owners and corporate shareholders with a team of experts that help their company grow and succeed from startup to mature operations.
Accounting for Family-Owned Businesses

Family-Owned Businesses

Providing family-owned companies with the expertise needed to address their unique needs & issues from an experienced & objective vantage point.
Accounting for High Net Worth Individuals

High Net-Worth Individuals

Assisting individuals with assets that need protection while maintaining holdings & maximizing earnings including estates, trusts, succession planning, wealth advisory, & more.
Accounting for Professionals


Instilling confidence in professionals and industry experts, ensuring their accounting & financials are in order, so they can concentrate on their practice.
Accounting for Not-For-Profits, Unions and Associations

Not-For-Profits, Unions, & Associations

Partnering with associations, unions, non-profit organizations, and charities for all their accounting, audit, advisory, and financial needs.


We have been a client of MDP for several decades, through a variety of personal, business and corporate situations. As we transitioned into different entities and stages of life, MDP has investigated, explained and projected every financial and tax implication. They are easily accessible and their day-to-day service is more than timely. They have always exceeded our expectations and we recommend MDP highly.

– Sue Gibbs of Peter Van Rhijn Photography Inc.

We recommend MDP as a professional yet friendly accounting firm. They have helped our business by anticipating our needs to stay in front of government compliance. With their knowledge and expertise, they have delivered comfort and peace of mind, allowing us to focus on what we know best.

– Jason Gaw of Sycamore Landscape

We have been dealing with MDP for over 35 years. Their field staff are well trained and are in and out in a reasonable time. The partners work with you and give you their expert advice on various matters. I myself have worked with them over 35 years with two different companies

– Mustafa Nasser of William L. Rutherford Limited

We have been working with MDP for over 25 years, they are a valued partner. The advice, service, and focus on our business has been a key part of our ongoing success.

– David Brown of Mindshape Inc.