InterSearch Tax Solutions (ITS) is the technology engine and parent corporation behind America's most trusted tax extension and electronic filing platforms.

InterSearch Tax Solutions operates a sophisticated ecosystem of digital platforms focused on federal and state tax compliance for diverse taxpayer needs.
Specialized platforms for processing IRS Form 4868 and 7004, providing individuals and businesses with an immediate 6-month filing extension.
Navigating complex state requirements with dedicated tools for filing income tax extensions across all 50 U.S. states and the District of Columbia.
Direct transmission technology that securely communicates taxpayer data to the IRS, ensuring rapid acceptance and tracking.
User-friendly preparation and filing solutions designed to maximize refunds and ensure accuracy for individual taxpayers.
Scalable platforms for small businesses and large corporations to manage high-volume tax extension filings and reporting.
Information portals and resources providing expert guidance on tax rules, deadlines, and technical filing requirements.
InterSearch Tax Solutions is heavily vetted and officially registered with the Internal Revenue Service as a trusted technology partner.
We maintain the highest security standards and are authorized across multiple critical service types to ensure reliable, fast, and secure transmission of taxpayer data directly to the IRS.
| Service Type | Business Activity | Supported Forms | Status |
|---|---|---|---|
| Electronic Return Originator (ERO) | For Profit | 1040, 1040NR, 1041, 1065, 1120, 1120POL, 2290, 720, 8849, 94X, 990, ETD | Accepted |
| Online Provider | For Profit | 1040, 1041, 1065, 1120, 1120POL, 2290, 720, 8849, 94X, 990, ETD | Accepted |
| Software Developer | For Profit | 1040, 1041, 1065, 1120, 1120POL, 2290, 720, 8849, 94X, 990, ETD | Accepted |
| Transmitter | For Profit | 1040, 1041, 1065, 1120, 1120POL, 2290, 2350, 4868, 56, 7004, 720, 8849, 9465, 94x Annual, 94x Qtrly, 94xPINReg, 990 | Accepted |
* Data accurate as per current IRS authorized provider public registry.
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