Gate Three Software


Gate Three is a fully integrated web-based construction management system powered by EllisDon. A cradle to grave approach to managing the project lifecycle comes to life with Gate Three as it incorporates design, estimation, bid management, budgeting, contracting, constructing, billing, commissioning, and facilities management.

Gate Three integrates best of breed software tools (estimating, accounting and scheduling) while also providing a single data store for secure data management. During implementation, the system will be configured to support a company’s unique business processes and workflows. With a configurable workflow and a single source of data, project teams will now have all stakeholders  – owners, consultants, subcontractors, general contractors - on the same page, enabling more cohesive communication, collaboration and efficient project management. 

Gate Three is recommended for medium to large-sized general contractors.. EllisDon was founded in 1951, and was awarded Waterstone Human Capital's Canada's 10 Most Admired Corporate Cultures Award in 2014.



Gate Three - Launch pad
  • Gate Three - Launch pad
    Launch pad
  • Gate Three - Concrete Pour report
    Concrete Pour report
  • Gate Three - Mobile app modules
    Mobile app modules
  • Gate Three - Budget view
    Budget view
  • Gate Three - Daily site report
    Daily site report
  • Gate Three - Activities
Supported Operating System(s):
Mac OS, Web browser (OS agnostic), Windows 8

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