Securities and capital markets, control (including the terms "controlling," "controlled by" and "under common control with") means the possession, direct or indirect, of the power to direct or cause the direction of the management and policies of a person, whether through the ownership of voting securities, by contract, or otherwise.

Finance, control of collateral is one of the methods of perfection of a security interest under the UCC. Control of deposit accounts is explained in UCC Section 9-104, control of electronic chattel paper is explained in UCC Section 9-105, control of investment property is explained in UCC Section 9-106, and control of letter-of-credit rights is explained in UCC Section 9-107. The other methods of perfection of a security interest under the UCC are filing, possession, and automatically on attachment. For further information, see Practice Note, UCC Creation, Perfection, and Priority of Security Interests and Perfection Steps Checklist.