1040 Tax Service & Accounting is a tax and accounting firm serving individuals and businesses in Walla Walla, WA. The firm provides guidance across tax, accounting, and related financial needs, with services that range from basic tax management and accounting support to more detailed work involving audits, financial statements, and financial planning.

The practice also supports clients with bookkeeping, payroll, tax planning, tax services, and IRS notice or audit help. Its client portal allows secure file upload and download, supporting both in-person and remote service formats for clients who need to share tax and accounting documents securely.