Depending on the size and industry of the businesses (as well as the country of the business you merge into), you may face a phalanx of local and international regulations and tax issues.
Similarly, selling the assets of the three businesses to the merged company could involve complications. To get to the heart of the matter, each business should speak to legal and tax counsel about the options, and then perhaps schedule a conference call for all participants to hash out the most cost-effective approach.
Nina L. Kaufman, Esq. is an award-winning New York City attorney, edutainer and author. Under her Ask The Business Lawyer brand, she reaches thousands of entrepreneurs and small business owners with her legal services, professional speaking, information products, and LexAppeal weekly ezine. She also writes the Making It Legal blog.