Training and Events
How to Do Business With King County
Attend a free, in-person orientation at our office. Learn more about King County's vendor registration, applying to King County rosters, certifying as a small business, our contracting process, effective marketing strategies, and tips for submitting successful bids & proposals.
Chat with our contract specialists, sustainable purchasing manager, and our small business certification team.
Orientation locations will vary by date.
Online Vendor Registration | for: Everyone
Want to register for contract opportunities with King County? This series of videos walks you through the process.
Roster Registration | for: A/E or Construction firms
Roster projects for Architecture and Engineering (A&E) or Small Works (for construction) projects estimated to be under $300,000 are not advertised; they are available only to roster members. Watch this step-by-step video on how to register for the A&E or Small Works roster.
Level of Effort Training | for: Architecture/Engineering firms
This video explains how Architecture/Engineering consultants should submit project-specific costs during negotiations.
Profit Evaluation | for: Architecture/Engineering firms
This video explains how to establish profit margins on architectural and Engineering contracts.