A public shell company is normally valued higher than a private one. Founders of a public shell company suffer less stock dilution when raising capital, and making acquisitions with stock is easier and less expensive. Stock and stock options are useful in attracting management. Management and employee stock options in a public shell company have more value. There is more liquidity for founders, minority shareholders, and investors. This stock is often easier to use in estate planning for the principals. It can provide a long term exit strategy for the founders. You can often consult with a securities law firms or CPA to locate a public shell company.