Ottawa D-Squared Construction
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Ottawa's most trusted and reliable construction company for paving, concrete, snow removal, landscaping and site work services. D-Squared Construction Ltd is a national leader in construction services, growing from a small one-man business in 2007 to a $30 million company today, thanks to visionary leadership, innovative technology and quality work.

D-Squared supports commercial construction projects in key sectors and is proud to have completed contracts for notable clients such as the City of Ottawa, Public Works and Government Services Canada, The National Capital Commission, Ottawa Community Housing, and the Ottawa-Carleton District School Board.

As one of the fastest growing paving, concrete and commercial contractors in Ottawa, D-Squared provides an unparalleled level of leadership, professionalism and expertise while meeting the highest standards in all project components.
Services
D-Squared is Ottawa's most trusted and reliable construction company for paving, concrete, snow removal, landscaping and site work services. In 2006, Domenico Franco Madonna and Charles DePonte founded D-Squared Construction with the dream of becoming the most reliable construction company in Ottawa.
D-Squared has secured a national reputation as a leader in commercial construction projects through its successful contracts with the following. In 2019, D-Squared expanded its core business to include D-Squared Aggregates, a 120-acre quarry located just east of Ottawa in. D-Squared Construction takes great pride in clearing snow from the City of Ottawa all winter long.
At D-Squared Construction, our relationships with clients and suppliers are important to us. So important, in fact, that building and fostering great relationships with our clients and suppliers is at the core of who we are as a company, and what we hope to continuously achieve in the future. Our highly skilled staff strives every day to make sure our customers are 100% happy with the work we complete for them.
Every single day, the team at D-Squared complete projects that positively impact the Ottawa economy and community, but we wanted to do more. This is why D-Squared is actively involved in various community initiatives, including our own project with United Way, called the Pave the Way Initiative. Three years ago, D-Squared partnered with United Way Ottawa to provide the first-ever weekend youth recreational programs in priority neighbourhoods.
Our avant-garde approach to projects large and small guarantees successful project planning and execution. Each of our vehicles are tracked with an advanced GPS technology. This allows our leadership team to know the exact location of each snow plow, tractor and truck at any given moment, allowing us to always stay on schedule.
Reviews (10)
Luc Archambault
Luc Archambault
Dec 28, 2021
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Company is going under. Owner Dom sold his house to move back with his parents. There breezy heights location that they were renting was bought by Cavanagh construction and dsqaured was given 8 hours to leave. Dsqaure owes 2 million dollars for asphalt purchased from Cavanagh 2 years ago. If you look around town another company has a saying for dsqaured on the back of there trucks, time to pay the pyper. Haha rip dsquared.
Vicky Fray
Vicky Fray
Nov 19, 2021
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This company is so unprofessional, first they should learn how to pay their bills? every company in Ottawa complains about them and second, they should hire nicer staff and people who know how to drive.
Sami Juma
Sami Juma
Aug 21, 2021
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An emerging company with a distinguished group of employees with youthful spirit and determination
Ted Morrison
Ted Morrison
Aug 09, 2021
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Replaced road crossing culvert in front of my place ,clean ! job site polite , and clean dressed employees , hard hats on even in 30 plus weather and shovel operator wow give that man a raise , he is a gift to excavators
Ahmad J.
Ahmad J.
Jul 10, 2021
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This was on a weekday July 20, 2021 at 6:52pm where the drop was deep to the point it the bottom of my car hit hard. I also filmed other cars get damaged. I tried to contact the company but the phone kept ringing and no one answered. They should either close the road or ensure that the construction is drivable.
Jo Smoyo
Jo Smoyo
Jun 24, 2021
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Critical: Professionalism
One of their pickup drivers cut off my wife on the 417 off ramp. For a company that builds roads they should enforce safety on those same roads.
Jason Heyslop
Jason Heyslop
May 23, 2021
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Critical: Professionalism, Quality
Ashpalt is poor quality and would not pass heat or compaction test
Shane Proulx
Shane Proulx
Apr 12, 2021
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Critical: Professionalism
Trucks keep cutting off traffic on the 174 (from the construction site to the montreal rd off ramp) missed a vehicle by inches and missed me on my motorcycle by a few feet. No signal clearly didn't check for oncoming rraffic.
Stephen Mondey
Stephen Mondey
Jul 20, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Order aggregate from them dealing with them for the first time love them and the company. Look forward to doing more business from them!
Robin Stm
Robin Stm
Jan 09, 2018
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Dom and his team did an amazing job for me. Highly recommend them to anyone considering a construction company. Very professional, on time, delivered beyond expectations and within budget. In an industry that sometimes gets a bad reputation, these guys set the gold standard.