Search ERO Businesses (Electronic Return Originators)
This ERO Search tool lets you explore Electronic Return Originators (EROs)—tax preparation businesses authorized to electronically file returns with the IRS. View detailed profiles including business addresses, filing history, ownership, and affiliated tax professionals (PTIN holders).
Use this page to research individual firms, compare filing activity over time, and better understand the structure of the tax preparation industry.
What each ERO profile includes
- Business and mailing addresses
- Year the ERO began filing returns
- Filing volume by year
- Map showing business location
- Owners, contacts, and PTIN holders possibly affiliated with the company
Why this matters
Understanding an ERO’s filing activity and structure can help you:
- Compare firms across regions
- Evaluate the size and stability of a tax preparation firm
- Identify growing or declining businesses
- Understand ownership and staffing relationships
Who this is for
- Tax preparers & firm owners → analyze competitors
- Entrepreneurs → evaluate potential competition
- Vendors → identify target clients and decision-makers
- Researchers → study industry structure and trends
How to search
- Use the filters to narrow your search
- Review the firm’s filing volume over time
- Click on the Owners, Contacts, and PTINs tab to see contacts, owners, and affiliated PTIN holders
Data notes
Only EROs filing at least one return in 2025 appear here.
Data is derived from IRS-authorized electronic filing activity and related public sources. Filing volume reflects reported activity and may vary based on timing and reporting differences.
Vendors, please consult the National Do Not Call Registry before placing any calls.