John Paul S. Boisvert has worked his way to the top.  With 26 years experience in the construction industry, a registered Architectural Technologist, a BCIN number for both "House & Small buildings" and a Tarion builder/vendor #.  There is no project too big or small.  Creating Hierarchy in 2006, the design build firm has set a very high standard for Ottawa and has hundreds of gratified clients.   

Raised in Kirkland Lake Ontario, a small mining community up north, he worked construction from the age of twelve.  After high school he decided it was time for change.   Shortly after that decision, he enrolled in the Architectural Technology program at Algonquin college here in Ottawa.  With a wealth of experience already under his belt, he decided to apply the skills he obtained from working construction to his new career in architecture.  The architectural realm was calling his name.  In 2017, the urge to build his luxury designs was too strong.  Building his first million + luxury model home "The Mondo" along side another million + home on island park.




Emma J. Boisvert has an eye for design.  After being employed in the fashion industry for over 9 years as the backbone of two major retail stores, first as a Visual Merchandiser and then manager, her love for decorating, staging and real estate have taken over and lead her on a new path and a new career. 

As a competitive gymnast and coach for much of her life , Emma was taught at a young age that with perseverance, dedication and passion we can achieve our goals.  She is no stranger to hard work, and continues these values today.  Inspired by the great people in her life, her drive will continue to push her to new heights.


Interior Designer/Decorator/Stager


I have worked with this company for 8 years from mid size renovations to million dollar new builds. I have found them very professional, knowledgeable and detail attentive. Our mutual clients have always been very satisfied at the conclusion of our projects. Highly recommended.

I would like to take this opportunity to let you know how very pleased and impressed we are with the end result of our basement renovation. John came up with a design for our basement and we decided to go with it. We were more than happy working with John throughout the renovation process. He is very organized, good communicator and his attention to detail is excellent. John always was quick to respond to any questions or concerns we had. We would definitely recommend HDD to anyone. Fantastic job!!

Patience, professionalism, attention to details, these are all attributes that John-Paul possesses. Throughout this whole process, John-Paul has always been there to provide answers to our questions. His suggestions regarding the design of our custom home were key to make the design our dream home. Thank you John-Paul for your amazing work!