Doing It Right, Right from the Start.

Land development is a key driver for the growth of business, government, the economy and our communities. As land surveyors and engineers, we take pride in the foundational role SDMM plays in that growth, providing expertise on innovative, sustainable design solutions and construction services throughout Halifax Regional Municipality and across the Maritimes since 1958. We're here to help make things happen.

We know time is money. Our expertise helps you save both.

With a collective history of more than 100 years as a professional surveying and engineering firm, we have an in-depth understanding of the regulatory process as well as excellent working relationships with the people and departments responsible for those processes. That means we're able provide smooth guidance and the right answers quickly and thoroughly so you can move into the next phase of your development with confidence and without delays.


A shout out and congratulations to SDMM's Ryan Matheson for meeting the requirements and obtaining his CET designation and to Rachael Cannings on achieving her “LEED Green Associate” status from the Canada Green Building Council!

Tenure and Talent

We tip our hats to two fine professionals, Carl Hartlen and Dan Gerard, who, collectively, have contributed 55 years to making SDMM a successful and prosperous company. Dan celebrates his 20th and Carl his 35th year with the firm. Congratulations gentlemen!


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