Issuance of securities is the activity of issuing securities, their placements and their introduction into circulation. Conducted directly or through banks, issuance of securities is an important instrument of financing. Securities may be divided into several aspects. This paper deals with bonds as a receivable, in which the issuer commits itself to repay the borrower’s interest plus interest over a term of more than one year within a certain time period. Also, this paper talks about shares, representing a typical equity and corporate security. Shares are a long-term instrument of financing, which is used to finance durable and working assets, i.e. long-term assets. They are issued by joint stock companies, and the sum of all the shares of a particular company represents its underlying capital. They give rights to shareholders, but also certain obligations. On the capital market, it is most commonly traded with shares and bonds with a maturity of more than a year. The Croatian capital market has a relatively short history and may be marked as a young market or an emerging market. Securities trading in the Republic of Croatia take place on the Zagreb Stock Exchange.