"SCORE “Counselors to America’s Small Business” is a nonprofit association dedicated to entrepreneur education and the formation, growth and success of small business nationwide. More than 10,500 volunteer counselors provide individual counseling and business workshops for aspiring entrepreneurs and small business owners.
Counselors work with entrepreneurs through every phase of their entrepreneurial venture: generating and assessing ideas, preparing a business plan, raising capital and managing the operations and finances of the growing venture.
SCORE has assisted more than 7.2 million Americans with online and face-to-face small business counseling. The SCORE Association was formed in 1964."
SCORE provides free counseling to restaurant owners through many different channels (email, telephone, one-on-one sessions). There are also a lot of free resources available at their web site.