R.D. Hoag & Associates 2275 Swallow Hill Rd, Pittsburgh, PA15220 R.D. Hoag & Associates is a Pittsburgh-based public accounting firm offering a wide array of services to its…More clients. Offering methods in business problem-solving, record keeping, estate and financial planning services, audits, reports, tax preparation and planning, among others, R.D. Hoag & Associates is headed by founder Robert Hoag and is staffed by a team of certified public accountants including principals Robert Hall, David Keefe, William Rader and Gregory Palmieri.