According to charging documents, Snapper caused the Hillary Clinton for President Committee to unwittingly to file false reports with the Federal Election Commission.
Court documents showed that 21 people known to Snapper had contributed a total of $48,000 to the Hillary Clinton for President Committee in 2008, "when in reality, as Snapper well knew, the contributions were made by Person A," document said.
Person A was not identified in the court documents.
Frank A. Schettino, a managing partner with Anchin, said the company regrets the events that led to the charges. The company initiated its own internal investigation and reported the results to federal authorities, Schettino said.
"We have cooperated fully with all government inquiries and will continue to do so," he said.
The company caters to the reach and famous, and its clients have included Robert De Niro.
Snapper could not be reached.
He specialized in business management and planning services for ultra-high-net-worth individuals, entertainers, key corporate executives and foreign nationals. Snapper has been quoted widely and appeared on programs such as the "Today" show, "CNN Headline News" and "Late Night With David Letterman," according to the company's Web site.
Since 2006, Snapper has donated more than $10,000 to federal elections, according to the Center for Responsive Politics.
Last year, famed crime writer Patricia Cornwell sued Anchin and singled out Snapper for her loss of $40 million. In her lawsuit, she claims Snapper told her the company would do everything for its clients including buying and delivering their toilet paper.
After she fired the accounting firm, she found a number of misdeeds, the lawsuit states, including a check being written off a Cornwell account as a bat mitzvah gift for Snapper's daughter, whom Cornwell said she has never met.