E-Procurement Supplier Portal
Register
Registering in E-Procurement will: 
- Allow your company to receive King County solicitation notifications.
- Allow your company to respond to King County solicitations and qualification questionnaires electronically.
- Allow your company to enroll on King County's Capital Project Rosters (solicitations that are not formally advertised).
- Enhance your company's collaboration and messaging capabilities with County employees.
- Grant access to your company's King County activity dashboard.
- List your company on the Supplier directory for King County agencies.
Registration resources
- Supplier Registration - User Guide PDF | Video Tutorial
- Supplier Questionnaire - User Guide PDF | Video Tutorial
- Identifying NAICS Codes - User Guide PDF | Video Tutorial
Tips you should know
- Company details
- Download and complete the IRS W-9 form to upload into your company profile.
- Have your company information: Tax Identification Number (TIN), Washington State License Numbers (Construction Industry), and Unified Business Identifier (UBI).
- Contacts
- Identify the company contacts that should have access to your company's profile. You’ll be asked for a contact name, a unique email, and phone number. It’s recommended that a business email is used.
- Addresses
- Provide an address to “Receive POs” (purchase orders) and to “Receive payments.” The “Receive POs” address must be a physical address; P.O. (post office) boxes are not accepted.
- Business classifications:
- Identify the business certifications your firm possesses, including Small Contractor & Supplier (SCS) and certifications administered through Washington State Office of Minority and Women’s Business Enterprises (e.g. MBE, WBE, DBE, etc.).
- NAICS codes
- Identify all NAICS commodity codes relevant to your business. Go to the NAICS website to research your commodity codes. For more information, review the NAICS Quick Reference Guide.
- Require minimum native screen resolution of 1280x1024 and one of the supported browsers below:
- Apple Safari 10+
- Google Chrome 60+
- Microsoft Edge 40+
- Mozilla Firefox 52+
- Use of Microsoft Internet Explorer is not supported.
There are two supplier roles within the system. Each company contact may have as many roles assigned to them as is appropriate. The system will automatically add two roles to each contact that has a User Account: Administrator and Bidder. The definitions and permissions of each role are highlighted below.
While most of the columns in the matrix are self-explanatory, one distinguishing difference between the roles is the ability to access solicitation information, attachments and be able to submit bids and/or proposals to King County.
E-Procurement supplier roles definitions
- Supplier Self Service Administrator KC: Manages the supplier profile information. Primary tasks include updating supplier profile information and creating user accounts to grant employees access to the supplier profile, and responding to qualification questionnaires.
- Supplier Bidder KC: Responds to invitations to bid, requests for proposals, requests for qualifications, requests for information, and supplier qualification questionnaires.
rolematrix
A Qualification Questionnaire is a function whereby an organization is requested to respond to an ad hoc questionnaire produced by King County in order to learn more about the supplier community and/or pre-qualify the organization for a solicitation.
King County supplier roles recommendations
- Identify the company contacts that should have access to your company's profile.
- Review all roles within the system and determine the right role for every contact in your company profile
- Be sure to select 'Request User Account' for all contacts to receive a system login (without selecting this option, the added contacts will not have login access to the system)
- Contacts must have unique email addresses
If you're a registered supplier in King County's updated E-Procurement Supplier Portal you'll receive email notification of County solicitations that match the NAICS codes you selected in the registration process. Current County opportunities can also be viewed here. King County also advertises on social media sites like LinkedIn and printed in media outlets like the Seattle Times.
Registering as a King County supplier is different from certifying as a King County Small Contractor and Supplier (SCS). Maximize your opportunity to do business with King County: make sure to register as a supplier and certify your small firm if eligible. If your firm is already SCS-certified, your certification will remain active but your firm must register in the new supplier portal.
Supplier registration will:
- Allow your company to receive King County solicitation notifications
- Allow your company to respond to King County solicitations and qualification questionnaires electronically
- Allow your company to enroll on King County's Rosters (unadvertised solicitations)
- Enhance your company's collaboration and messaging capabilities with County employees
- Grant access to your company's King County activity dashboard
The Small Contractor and Supplier (SCS) certification will:
- Improve the effectiveness of certified small businesses to compete for King County contracts as contractors, consultants, and suppliers
- Qualify your company for various programs in solicitations to benefiting certified small businesses
The King County Small Contractor and Supplier (SCS) certification will continue to be managed by the Business Development and Contract Compliance team and executed through the Diversity Compliance Management System (DCMS). If eligible, start your application to get SCS certified.
State and Federal Certifications will continue to be managed by Washington State Office of Minority and Women's Business Enterprises.
How do I apply for Rosters in the E-Procurement Supplier Portal?
Simply opt-in to the various rosters that apply to your organization in the final step of the supplier registration in the new system.
Do suppliers awarded community grants by King County need to register their company in the E-Procurement Supplier Portal?
It's recommended all suppliers register within the supplier portal to increase their awareness of bidding opportunities beyond community grants awarded by the County.
How do I know which NAICS industry codes to enter?
Go to the NAICS website for a full listing of NAICS codes. Please register for all applicable codes to ensure the highest probability of receiving solicitations. If you need additional assistance, reference the NAICS Quick Reference Guide.
Does the E-Procurement Supplier Portal support electronic invoicing?
Electronic invoicing is not a part of the current implementation, but it is something King County will be pursuing in the future.
Update Company Information
- Supplier Profile Maintenance - User Guide PDF | Video Tutorial
- Supplier Reset Password - User Guide PDF | Video Tutorial
Participate in a Solicitation
- Supplier Solicitation - User Guide PDF
- Respond to a Solicitation - Video Tutorial
- Acknowledge Addendum - Video Tutorial
- Revise & Resubmit a Solicitation Response - Video Tutorial
- View Solicitation Response History - Video Tutorial
- Delete Solicitation Response - Video Tutorial