What does pp mean when signing a letter? Pro (or per) ... What does PP at the end of a letter stand for? ... Essentially it means "on behalf of the writer".

Procuration (from Latin procurare, meaning "to take care of") is the action of taking care ... frequently by procuration (per procurationem), or shortly per pro., or simply p.p. ... For example, given a secretary authorized to sign a letter on behalf of the president ... The phrase 'per procurationem' thus means "by/through agency".

Pp when signing a letter on behalf of someone else stands for per procurationem. This is a Latin phrase which mean by or through the agency of. The person ...