Gusrae Kaplan Nusbaum PLLC | 369 followers on LinkedIn. Established in 1975, Gusrae Kaplan has developed into a leading boutique law firm providing a range of legal services to public and privately-held entities and wealthy individuals around the globe. Located in the heart of Wall Street, our clients include financial institutions, broker-dealers, investment advisors, Fortune 500 companies, hedge funds, investors, private equity and venture capital firms and ultra-high net worth individuals. Since our founding nearly 40 years ago, we have been driven by a disciplined and economic approach to staffing in order to provide extraordinary cost effective legal services.