What is commcommsec adviser services? CommSec Adviser Services (CAS) is a brand of Commonwealth Bank of Australia (CBA or the Bank) ABN 48 123 123 124 AFSL and ACL 234945.How do i contact commsec support? General enquiries Phone: 13 15 19 (within Australia) +61 2 9115 1 ... Fax: 1300 131 519 Postal address: Commonwealth Securities Locked Bag 22 Au ... Twitter: @CommSecSupport Is commsec part of commonwealth bank? Commonwealth Securities Limited ABN 60 067 254 399 AFSL 238814 (CommSec) is a wholly owned but non-guaranteed subsidiary of the Commonwealth Bank of Australia ABN 48 123 123 124 AFSL 234945 (the Bank) and a Participant of the ASX Group and Chi-X Australia. Commonwealth Direct Investment Account is a product of the Bank and is marketed by CommSec.What are the latest commsec adviser services cas disclosure documents? From 1 May 2021, there will be some important updates to the following CommSec Adviser Services (CAS) disclosure documents: CAS Financial Services Guide (FSG). Replacement of references to Australian Investment Exchange Limited as the Participant and provider of the FSG to Commonwealth Securities Limited (CommSec) ABN 60 067 254 399