This site offers dozens of resources to nonprofits seeking to get the most out of organizational development consulting engagements. It includes tools to help nonprofits find and vet consultants, negotiate contracts, and much more.
Taproot Foundation: Getting Started With Pro Bono
The Taproot Foundation connects nonprofits and social change organizations with passionate, skilled volunteers who share their expertise pro bono. Through their programs, business professionals deliver marketing, strategy, HR, and IT solutions that organizations need to achieve their missions. On its web site, the Foundation offers information on succeeding with pro bono consultants.
Taproot Foundation: Powered by Pro Bono
The Taproot Foundation published a book, Powered by Pro Bono, that provides an extensive discussion of how to succeed with pro bono consultants. Many of the topics are relevant to paid consulting relationships as well.
Strengthening Nonprofits: Working with Consultants
Strengthening Nonprofits offers an extensive and free guide to the process of working with consultants.