Maxim Group LLC | 15,954 followers on LinkedIn. Maxim Group is a leading full-service investment bank, securities and wealth management firm. | Maxim Group LLC is a leading full-service investment bank, securities and wealth management firm headquartered in mid-town Manhattan and is a registered broker-dealer with the SEC, the Municipal Securities Rulemaking Board (MSRB), FINRA and SIPC. www.finra.org | http://www.maximgrp.com