Five reasons why it is advantageous to incorporate or form an LLC in Delaware.

Delaware does not publicly disclose your name, home address or business address.
Ownership is not public information.
Delaware does not maintain a publicly searchable database for company management or ownership.

A Delaware LLC is virtually tax-free, except for a $300 annual LLC tax.
Delaware has no Sales Tax.
There is no state corporate income tax for Delaware entities that do not operate within the state.
No taxes on the transfer of capital shares of stock.

Delaware has a director shield law which protects you from personal liability in connection with the actions of your company.
Delaware has a long-established body of laws that protect Delaware companies so they can focus on doing business, rather than fighting expensive lawsuits.

A Delaware Corporation or LLC can be headquartered anywhere in the world.
One individual can be the sole stockholder, director and hold all the executive offices.
A Delaware office address is not required, aside from the address of your registered agent.
Company records are not required to be kept in Delaware.
Shares of Stock can be transferred instantly and privately, without filing a public notice.
You are not required to be a US citizen to form a Delaware Stock Corporation or LLC.

Many different kinds of business activities can be transacted under one entity.
A Delaware company can own real estate or personal property anywhere in the world.
Unlike most other states, corporations can easily be converted into LLCs and vice versa.