Zen's Accounting Service is a Baltimore, Maryland accounting firm serving businesses and individuals. The firm was founded in 1982 and is described as a full-service accounting practice, with work that spans tax, payroll, financial reporting, and advisory support.

Its listed services include tax planning and tax returns, payroll processing, bookkeeping, financial statement preparation, trucking reports, internal audits, and related accounting services. The source materials also note support for accounting software packages and transportation software, along with experience serving more than 100 business clients and 200 individual clients.

For clients looking for local accounting help, Zen's Accounting Service offers in-person and onsite service formats in the Baltimore area, with a practice focus on practical accounting needs for both organizations and individual taxpayers.