Cellino & Barnes represents clients throughout New York State, including Albany, Albion, Amherst, Binghamton, Buffalo, Corning, Cortland, Dunkirk, Elmira, Geneva, Hornell, Ithaca, Jamestown, Lockport, Medina, New York City, Niagara Falls, Olean, Poughkeepsie, Rochester, Schenectady, Syracuse, Troy, Utica, Watertown, Wellsville and more.

In addition to representing clients in New York State, Cellino & Barnes also represents clients across the country, including Alabama, Arkansas, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Kentucky, Maine, Maryland, Massachusetts, Minnesota, Mississippi, North Carolina, North Dakota, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, West Virginia, Wisconsin.