Romeo Santos sues an accounting firm, alleging tax and financial mistakes cost him millions

Grammy-winning singer Romeo Santos has filed a lawsuit against an accounting firm, alleging professional malpractice that he says resulted in serious tax and financial errors costing him millions, according to Billboard’s report on the case.

In the complaint described by Billboard, Santos alleges he relied on the firm’s representation that it specialized in the entertainment industry when he engaged its services. He claims the firm’s work went wrong in a way that created substantial financial damage tied to his tax obligations.

The lawsuit centers on alleged mistakes Santos attributes to the firm’s handling of his taxes, which he says produced losses on the scale of “millions.” Billboard reports that Santos’s legal theory is based on the idea that the firm fell below the standard of care expected from accountants serving clients in high-revenue, complex entertainment matters.

Santos’s filing also points to how the firm presented itself to potential clients. Billboard reports that he believed the company was suited to handle the unique financial needs of entertainment performers, including tax planning and reporting requirements that can be more complicated than those facing individuals outside the industry.

While the report does not detail the accounting methods at issue, it frames the dispute as a failure of technical accuracy and professional competence. Santos alleges the tax and financial errors were not minor bookkeeping problems but failures that materially affected his finances.

The suit seeks remedies for the alleged harm, with the reported claims focused on recovering damages tied to the millions Santos says he lost due to what he contends were malpractice-level mistakes.

The accounting firm has not been described in the report as admitting liability, and the next step in the litigation will be the parties’ procedural exchange and any court determinations about whether the firm’s work constituted actionable malpractice and what damages, if any, are warranted.

For entertainment-law practitioners, the dispute underscores a broader point about reliance on outside service providers, particularly when artists manage income streams, compensation structures, and tax compliance across multiple jurisdictions or income types.