Tal-Shaya Partners was a Vulcan business entity that operated within the Terran Empire in the mirror universe. Following first contact with Terrans, the Vulcans managed to create a number of business ventures that were able to compete with their Human counterparts. Among the greatest of these were a banking empire by the name of Tal-Shaya Partners with one of its founders being Revok with his business providing finance for a wide range of activities. These ranged from starbase construction to the building of assassination schools with these services being provided from Emperors to Senators to entrepreneurs and even mercenaries. Tal-Shaya loan officers were responsible for providing revenue but were strict on their terms which included collateral. (Decipher RPG module: Through a Glass, Darkly)

Presumably, the business was named after the Tal-Shaya technique.
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