TERRA FIRMA RETAINING WALLS Inc. is arguably Ontario’s most specialized residential and commercial retaining wall construction company.

We are committed to designing and building innovative retaining wall solutions that stand the test of time. With nearly two decades of experience constructing retaining walls, we have attained a unique level of expertise that sets us apart as specialists in retaining wall construction.

Whether your retaining wall is 4 feet tall or 20, holding back your backyard or a commercial loading bay, we have you covered! With over 400 retaining walls built, we have the experience and skills to provide you with a bespoke solution for even the most challenging of sites. In addition, with an industry-leading five-year warranty, we are fully committed to the success of every single project.

We provide in-house design services and have extensive experience working with every City and Conservation Authority in the Greater Hamilton and Greater Toronto areas. We also offer stamped design drawings, slope stability assessments, arborist reports, and letters of completion.

Contact us today for a free consultation. We will happily provide an innovative solution for your retaining wall project.