Leo Maher Accounting is a year-round full-service accounting firm based in Chatham, Massachusetts, serving clients on Cape Cod and in Southeastern Massachusetts. The firm works with small businesses, S-Corps, sole proprietorships, and individuals on tax preparation, tax planning, bookkeeping, payroll, sales tax, and business formation needs.

The practice also supports industry-specific tax and bookkeeping questions for contractors, real estate owners, rental property owners, commercial fishing businesses, self-employed clients, and trades. Its listed tax focus includes S-Corps, LLCs taxed as S-Corps, and trust and estate tax returns, along with IRS notice and audit help.

Clients may work with the firm in person or remotely, with services centered on practical accounting support, entity considerations, expense tracking, deductions, and seasonal revenue concerns.