Accountants | Auditors | Advisors | Consultants |CPAs - Largest public accounting firm in Western New York (WNY) and Upstate New York (NY) and a Top 100 CPA firm in the US. Consultants serve businesses in Buffalo, Niagara Falls, Batavia, Dunkirk, Jamestown, Rochester, Syracuse, Albany, NYC, Erie, Pennsylvania (PA) and Toronto, Ontario (ON) Canada with audit, tax and business consulting services. Serve both U.S. and Canadian based companies doing business with multi-state and international (cross-border) operations. Alternative practice structure with RSM McGladrey. 14202. See our site on Cost Segregation.