AGM provides homeowners, private clients and public corporations with a complete range of general and specific land information services. Our expertise in planning, surveying, engineering has been recognized in southwestern Ontario since1925, when our founder, Lieutenant Colonel Samuel Wallis Archibald (P. Eng., O.L.S.), started a small practice in Seaforth, Ontario. We’ve since grown to a staff of more than 30 professionals.


  • Surveyor’s Real Property Reports
  • Builder’s Layout & Grading Plans
  • Reference Plans
  • Subdivision Plans
  • Condominium Plans
  • Cemetery Plans
  • Boundaries Act Plans
  • Site Plans
  • Registration Plans (ACLS)


  • Site Plans
  • Subdivision Development
  • Servicing Studies & investigations
  • Road, Sewer, Watermain Design
  • Site Servicing
  • Builder Services
  • Construction Administration
  • Project Management
  • Inspection Services
  • Storm Water Management


Engineering Surveys

  • Digital Topographical Base Plans for Engineering Design
  • Digital Terrain Model (DTM) Products
  • Horizontal & Vertical Control Establishment for UTM & MTM Surveys

General Surveys

  • Boundary Surveys
  • Topographical Surveys
  • Engineering Surveys
  • Court Action Surveys
  • Infrastructure/Utility Surveys

Builder’s Surveys

  • Site Plans Lot Grading Plans
  • Building Layout
  • Building & Grading Certification


Combination of planning, surveying, and engineering consulting services for homeowners, private clients, municipal and public agencies.