Company Express offers various citizenship and residency by investment options. They can also be seen as second passport for US citizens options.

Economic migration to the US (EB-5, E-2, L-1 visas) 3 economic migration programs. A way to obtain citizenship.

Antigua and Barbuda Citizenship No taxes on foreign income, wealth or estate
No visa requirement for travel into more than 136 countries, inclusding Schengen area
High privacy standards during the process

Citizenship of Grenada No visa requirement for more than 136 countires, including Schengen area
Possibility obtaining US and Canada long-stay visas
High privacy standards

Malta Citizenship No visa requirement for more than 167 countires
No residency requirement

Citizenship of Saint Kits and Nevis The oldest economic citizenship programme in the world
High privacy standards
No visa requirement for more than 139 countries

Citizenship of Vanuatu Opportuinity to open bank accounts in world banks
No visa requirement for more than 113 countries, including Schengen area
High privacy standards