The Pepperdine Libraries have many books on writing business plans. Type "business plan*" into the search box (include the quotation marks so the term will be searched ast a phrase) for books about business plans.
This resource provides examples of actual business plans written by entrepreneurs. The names and addresses have been changed to protext privacy. You can browse by year or type keywords into the Search This Series box.
Researching Private Companies
Researching private companies is more challenging than publicly-traded companies since they are not required to report information to the Securities & Exchange Commission (SEC). In most cases you will not be able to obtain financials statements such as income statements, balance sheets and cash flow statements for private companies.
One approach that students have used in the past when researching privately-held companies is to locate a similar public company and use their financials as an example or proxy.
An online directory of 24 million+ businesses in the United States and Canada. Users can search by company name, ticker symbol, executive name, geographic location, sales range, type of business and number of employees.
From the Robert Morris Associates (RMA) Annual Statement Studies provides financial ratios for several industries. Industries are organized by NAICS codes and fairly narrow industries such as masonry contractors and jewelry stores are included. These ratios are the composite averages of several small and midsized businesses. You can download the reports into Excel.
PrivCo.com is a well-known source for business and financial research on non-publicly traded corporations, including family-owned, private equity-owned, venture-backed and international unlisted companies