Damon Diodati, Inc. is a CPA firm in Pembroke, MA, described in its source materials as a full-service Certified Public Accounting firm south of Boston. The firm supports business and individual clients in Massachusetts and throughout the United States, with services centered on tax preparation, tax planning, bookkeeping, and accounting.

The firm works with businesses and individuals seeking guidance beyond annual filings. Source text notes typical business clients with sales ranging from $1M to $80M, along with individual clients who want consulting support in addition to tax preparation. Its advisory work includes business consulting and planning, with cited areas such as entity planning, estate and trust planning, personnel, benefits, financing, real estate, retirement, and succession planning.