About Us

DFP Surveyors is a part of Tham Surveying Limited, Ontario Land Surveyors. DFP Surveyors have been serving the Land Development and Building Construction Industry since 1925. Our firm’s expertise is in the provision of Land Development and Construction Layout Surveys throughout the Greater Toronto and surrounding areas. We currently undertake over government, business and private sectors land development projects.

Our primary activities include the provision of a full range of professional land surveying, and mapping services to both the public and private sectors including Cadastral Surveying, Engineering Surveying, Geodetic Surveying, GPS Surveying and Geographic Data Collection. We are a GTA based company having main office located in Oshawa with a Branch office in Vaughan, Ontario. Staff contingent comprises of over 30 professional and technical personnel including multiple Ontario Land Surveyors.

Our company philosophy is to provide quality product, on time and within budget. The success of this approach is underscored by the firm’s rapidly growing list of satisfied clients and an equally impressive volume of repeat and referral business.

Tham Surveying Limited is a member of the Association of Ontario Land Surveyors (AOLS)