American Express is a international company and it operating in many countries with partnership. American Express was founded int he year of 1850 by William Fargo, Henry Wells, John Warren Butterfield in Buffalo, New York, United States.
ProtonMail Visionary: ProtonMail Visionary is our top tier plan. It gets its name from a group of crowd-funding contributors who donated a significant amount of funds in 2014 to make ProtonMail possible in the first place.
ProtonMail is funded by both donations and revenue from paid plans. This funding is used to pay for servers, bandwidth, and pay the full time staff that has been keeping ProtonMail running reliably since 2013.