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We listen carefully, we explore extensively, we think outside of the box, we care passionately about our work and our clients.


We specialize in new home design, from custom homes to large master planned communities.

  • Residential Architectural Design
  • Custom and Luxury Home Design
  • Community and Land Development
  • Presentation Centres
  • Building Permit and Construction Documents
  • Site Plan Design
  • Siting and Grading
  • Site Plan Approval
  • Zoning Analysis and By-law Assistance
  • Planning Pre-consultation Meetings
  • Minor Variances


Residential, commercial, and mixed-use projects across Ontario.

The Firm

Diversified & Professional.

Cassidy+Company is a diversified practice comprised of over 40 professionals. The Residential Development Industry’s continuing respect to our firm is a testimonial to our expertise in Residential Design, management and responsiveness. Our Environment is Team orientated with attention to detail from beginning to completion.


We have received many awards for our work, but the best reward is our long term relationships with each client and the continued success of their projects.

Contact Us

We look forward to creating a dialogue and a new work relationship with you.