Saudi Investment Bank (SAIB) linked its system to SADAD on March 24, 2007, and now all of  SAIB  accounts holders can use its banking channels to pay bills through SADAD (and non-account holders will be able to pay through branches and Cash Acceptance Machines).

The Saudi Investment Bank (SAIB) is a Saudi Arabian joint stock company established by Royal Decree no. M/31 dated June 23, 1976. The Bank began operations in March 1977.

SAIB offers traditional wholesale, retail and commercial banking products and services in addition to investment banking. In particular, it arranges financing of quasi-government and private industrial sectors and trade finance products for imports and for the increasing Saudi exports.