About Us

J.D. Barnes Limited is one of Canada’s largest and most respected surveying and geomatics firms, proudly serving the industry since 1960. With a head office in Markham and over 20 locations across Ontario and Quebec, we are home to a team of nearly 600 professionals, including more than 80 licensed Ontario, Quebec, and Canada Land Surveyors and Professional Engineers, along with skilled technologists, GIS specialists, and utility locating experts.

Our reputation for quality and reliability is built on decades of experience delivering a full spectrum of land surveying and geomatics services, including legal and engineering surveys, Subsurface Utility Engineering (SUE), aerial imagery, mobile and terrestrial LiDAR, UAV (drone) surveys, GIS and mapping solutions, and bathymetric surveys. Through our subsidiary companies First Base Solutions (aerial imagery and geospatial data) and OnSite Locates (private utility locates and SUE), we offer specialized expertise to support diverse project needs.

We serve a broad range of clients, including municipalities, provincial ministries, infrastructure developers, utilities, and private engineering firms. Our long-standing partnerships and consistent service delivery reflect our commitment to innovation, precision, and client satisfaction.

J.D. Barnes continues to grow strategically, with recent acquisitions expanding our reach into southwestern and eastern Quebec. Our ongoing investments in modern equipment, advanced software, and staff development ensure we deliver accurate and cost-effective results.

Whether it’s mapping from the air, underground, or underwater, our team brings unmatched technical capability and regional knowledge to every project.