Internet Public Library - The Census Data and Demographics (ipl.org)/: An especially useful site that has links to information about countries other than the U.S.
It includes the best and the latest technologies to stay current with new trends in business innovation and planning. It provides expert help from professionals who have valuable years of experience. It also contains real market research data, along with industry profiles on a number of industry verticals, that allow matching the numbers of your business or company with these pre fed and automatically integrated industry ratios that enhance the accuracy of the business plan.
While these are easily available online, some of them are way better than the others. A lot depends on the approach that goes into writing the business plan.
Financial Plan - What is the anticipated income? What are the cash flow projections? What is the anticipated budget over the next 3 years? What is the break even point? When is it anticipated to be met? What funding is needed and where will it come from? What funding is currently available? What collateral is available? What is the net worth of the principals, if applicable? Possible Data Sources: accountant; accounting software; Small Business Administration; Small Business Development Center; SCORE; banks; venture capitalists.