KDD was founded on 10 January, 1995 as a company providing central securities custody services, clearance and settlement of securities transactions and maintenance of the central registry of holders of dematerialised securities in the Republic of Slovenia.

KDD's founders and shareholders are banks, stockbroking firms, fund management companies, government funds and issuers. Share capital amounts to EUR 1,084,960.77 and is divided into 520 ordinary registered shares.

As an important and prominent institution, KDD has successfully integrated into the European capital market. By signing the European Code of Practice in Relation to Charging and Settlement of Securities Transactions, KDD is striving for greater efficiency and integration of the European capital market.