David Mahy is a Wealth Planner with Optimize, specializing in helping clients build and secure their financial futures. With a deep commitment to understanding each client’s unique goals, David creates personalized, comprehensive wealth strategies that address investments, taxes, insurance, and long-term planning.
His client-first approach sets him apart, ensuring that every decision is made with integrity and a focus on empowering clients to make informed, confident choices about their financial lives. David believes in building lasting relationships founded on trust and delivering peace of mind through customized, goal-oriented planning.
Your partner in personalized, full-service wealth management
Your ally in the pursuit of financial freedom
We go beyond managing money—we focus on optimizing your financial journey by fusing technology, modern strategies, and core values like integrity, transparency, and balance. We provide honest, personalized advice and a proactive, high-touch experience.
Meet the team


David Mahy
Wealth Planner
- Email: david.mahy@optimize.ca
- Phone: 519-472-6275


Candice Mahy
Wealth Planner
- Email: candice.mahy@optimize.ca
- Phone: 519-472-6275


Nick Cup, MBA, CFP, CIM®
Portfolio Manager
- Email: nick.cup@optimize.ca
- Phone: 416-900-3887
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Harris Whiting, CIM®
Associate Portfolio Manager
- Email: harris.whiting@optimize.ca
- Phone: 437-253-5716
Team values

Client-First Approach
The Mahy Group prioritizes exceptional, personalized service, treating every client as an individual with unique goals and needs. By focusing on building trust and fostering meaningful relationships, they ensure each client feels valued and supported. Their client-first philosophy drives every decision, ensuring strategies are tailored to achieve meaningful outcomes and long-term financial success.
Integrity as a Guiding Principle
Honesty, transparency, and ethical practices are the foundation of The Mahy Group. The team is committed to providing clear, unbiased advice and open communication at every step of the financial planning process. By consistently putting the client’s best interests at the forefront, they create a trusted partnership that inspires confidence and builds lasting relationships.

Our dedication to excellence is
reflected in every aspect of our work
Clients can expect a proactive, high-touch experience designed to simplify and enhance their financial lives. At 4 Pillars Wealth, we believe in consistently going above and beyond to deliver exceptional service and build lasting relationships. This means not only addressing clients' current needs but also anticipating future challenges and opportunities, helping them feel confident and prepared for what lies ahead.

Empowering Clients Through Knowledge
At The Mahy Group, staying informed and knowledgeable is a top priority. The team continually tracks industry trends to provide expert guidance that reflects the latest developments. By offering up-to-date strategies and empowering clients through education, they ensure every decision is well-informed. This commitment to education fosters confidence and helps clients achieve their financial goals with clarity and assurance.
Timeline
1982
As the owner of Mahy & Associates, David led strategic evaluations focused on long-term growth and asset protection. He dedicated four decades to providing clients with tailored financial solutions to meet their unique needs.
2022
At Optimize, David helps clients with comprehensive financial planning, serving as their primary point of contact. He ensures that all investment advice is delivered by a Licensed Optimize Representative. David works closely with clients to help them set and achieve their financial goals.
Supporting our community

The Mahy Group is committed to supporting equitable education for children in low-income communities. Through their involvement with First Book Canada, they help remove barriers to learning by providing essential resources and opportunities for educators and students. This reflects the team’s belief in fostering a brighter future and ensuring every child has access to quality education.

Advancing pediatric health is a priority for The Mahy Group. By contributing to SickKids, they support groundbreaking research and provide world-class healthcare for children. Their involvement not only helps improve health outcomes but also offers hope and healing to families, underscoring their dedication to bettering the lives of young patients and fostering healthier communities.

Promoting cultural awareness and unity is a key focus for The Mahy Group. Through their support of the Gord Downie & Chanie Wenjack Fund, they contribute to reconciliation efforts and foster understanding between Indigenous and non-Indigenous communities in Canada. Their involvement reflects a commitment to creating a more inclusive and compassionate society for future generations.