The firm's extensive clientele includes institutions, businesses,
local historical societies, and private individuals.
The Rosary Academy in Watertown, McLean Hospital in Belmont, and the Sisters of
Mercy in Manchester, NH are among numerous non-profit clients.

Kaminski successfully sold the Governor James Michael Curley house
in Boston, handled the estate of Lisa Loeb,
a prominent Boston-based collector, as well as the Joseph Fine estate in Cambridge.

Businesses such as Brooks Brothers and Abercrombie & Fitch
rely on Kaminski for inventory sales.

Dealers and collectors also consider Kaminski as an
important source of period antiques, oriental rugs, jewelry, silver, porcelain, and fine art.