All professional tax preparation services offered under the Taxbrain name are provided by Taxbrain Tax Services, a registered California accounting firm. Taxbrain Tax Services is wholly owned by Charles W. Petz, CPA, who also serves as CFO of Petz Enterprises, Inc. Taxbrain Tax Services provides professional tax preparation and representation services from licensed CPAs and IRS Enrolled Agents. These Tax Professionals adhere to the professional licensing standards and ethics practices of the Internal Revenue Service and/or their respective state licensing boards.

Taxbrain Tax Services uses Petz Enterprises Inc. as a service provider of tax preparation software and electronic tax filing. Petz Enterprises Inc. has been providing compliance solutions to the accounting and tax industry for more than 35 years. Petz Enterprises, Inc. is the maker of Taxbrain, a self-preparation online software program and CrossLink, a professional tax preparation software product. The Taxbrain name and trademarks are used by Taxbrain Tax Services under license from Petz Enterprises Inc.