John P. Regish, CPA & Company is a full-service accounting firm serving individuals and businesses in the Pioneer Valley. For over thirty years, it has provided tax returns for individuals, corporations, partnerships, fiduciaries, and estates, along with bookkeeping and tax consultation.

The firm also supports business start-ups and offers financial and estate planning, as well as audits, reviews, and compilations. Based in Hadley, Massachusetts, it presents a broad accounting practice for clients who need ongoing compliance, reporting, or planning support.