/ Thesaurus / I Synonyms of investment firm Find synonyms for: Noun1. investment company, investment trust, investment firm, fund, nondepository financial institutionusage: a financial institution that sells shares to individuals and invests in securities issued by other companiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language