Marcum, LLP Share: Professional Services Marcum, LLP Visit Website 155 South Main Street Providence, RI 02903 (401) 457-6741 About Map About Public accounting firm offering tax, accounting and assurance services. Local office located in Providence, RI with offices in 29 locations including 23 US offices. What's Nearby? Distance: 5 10 15 20 25 50 mi.