Paypal was a merger or two companies very early on:
"The current incarnation of PayPal is the result of a March 2000 merger between Confinity and X.com.[10] Confinity was founded in December 1998 by Max Levchin, Peter Thiel, Luke Nosek, and Ken Howery, initially as a Palm Pilot payments and cryptography company.[11] X.com was founded by Elon Musk in March 1999, initially as an Internet financial services company. " per the wiki
"The current incarnation of PayPal is the result of a March 2000 merger between Confinity and X.com.[10] Confinity was founded in December 1998 by Max Levchin, Peter Thiel, Luke Nosek, and Ken Howery, initially as a Palm Pilot payments and cryptography company.[11] X.com was founded by Elon Musk in March 1999, initially as an Internet financial services company. " per the wiki