Wirehouse describes a full-service broker-dealer firm.
Wirehouse broker is not an independent broker working at a wirehouse, or a firm with multiple branches.
Key money is a payment to a landlord made by potential tenants as an attempt to secure the tenancy for the future.
A trading house is a business that facilitates monetary transactions between a home country and foreign countries.
A trading book is the portfolio held by a brokerage firm or a bank.