Marcum Accounting & Tax Service Marcum Visit Website Request Info 100 Westminster St Ste. 500 Providence, RI 02903 (401) 457-6731 About Map About Marcum LLP provides a full spectrum of traditional tax, accounting, and assurance services; financial, risk, and transaction advisory services; valuation, forensic and litigation services; technology What's Nearby? Distance: 5 10 15 20 25 50 mi.