[boo-teek] 
| 1. | a small shop or a small specialty department within a larger store, esp. one that sells fashionable clothes and accessories or a special selection of other merchandise. |
| 2. | any small, exclusive business offering customized service: Our advertising is handled by a new Madison Avenue boutique. |
| 3. | Informal. a small business, department, etc., specializing in one aspect of a larger industry: one of Wall Street's leading research boutiques. |
| 4. | of, designating, or characteristic of a small, exclusive producer or business: one of California's best boutique wineries. |
kē; see apothecary, bottega 
| bou·tique (bōō-tēk') n.
[French, from Old French botique, small shop, from Old Provençal botica, from Latin apothēca, storehouse; see apothecary.] |
Boutique
A small investment firm specializing in offering specific, but limited services to a select number of individuals.
Investopedia Commentary
These investment firms are the alternatives to large financial supermarkets. They provide a highly personalized environment for investing.
See also: Broker, Discount Broker, Full Service Broker, Investment