These are among the technical assistance providers who serve nonprofit organizations in King County.

Volunteer Center, United Way of King County
Services: Governance and volunteer management workshops, Board Recruitment/Referral, Volunteer Connections.
Serves: All nonprofit organizations in King County
Fee Structure: Training fees.
Contact: 206.461.3656
Web: www.uwkc.org/partner-with-us/nonprofits/

Nonprofit Assistance Center (NAC)
Services: The Nonprofit Assistance Center is a training and consulting resource working to build better communities by strengthening the organizations within them.
Serves: Management support for grassroots organizations based in communities of color, immigrant and refugee communities and low-income communities
Fee Structure: Services are free to organizations that qualify; there may be a small fee for trainings. NAC has a technical assistance fund that organizations can access to hire a consultant, for cross-training or skill-sharing between two or more organizations, or to attend NAC's trainings or conferences.
Contact: (206) 324-5850
Web: www.nacseattle.org

501 Commons, formerly Executive Service Corps
Services: 501 Commons is a resource for community organizations, schools, associations, philanthropy, volunteers, and all others in the 501 sector. We offer a first stop for people looking for resources to strengthen nonprofits.
Serves: 510 Commons provides management assistance to nonprofits and schools. 
Fee structure: Our consulting, coaching, facilitation, and training services are provided on a sliding fee scale
Contact: (206) 682-6704
Web: www.501commons.org

NPower Northwest
Services:  Technology assistance for nonprofit organizations - workshops, consulting
Serves: All nonprofit organizations
Fee structure: Member and non-member rates
Contact: (206) 286-8880
Web: www.npowernw.org

Washington Attorneys Assisting Community Organizations
Services: WAACO connects Washington nonprofit organizations with attorneys who provide free legal assistance on business and transactional (non-litigation) matters. WAACO helps nonprofits throughout the state find free legal assistance to help with contract review, real estate and lease transactions, trademark, copyright and licensing matters, employment and personnel policies, risk management and insurance matters, mergers or dissolutions, and drafting or revising corporate bylaws and other corporate documents.
Fee structure: Pro bono
Web: www.waaco.org