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

Operating a comprehensive suite of targeted tax solutions designed to simplify compliance for individuals and businesses across the United States.
The premier destination for securing federal and state personal and business tax extensions online with over 20 years of excellence.
Visit Website →The industry leader for businesses and individuals who need a fast, secure extension for federal tax returns.
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A streamlined, user-friendly platform focused on the accurate preparation and electronic filing of personal tax returns.
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Providing accessible, high-quality federal tax extension filing options with a focus on ease of use for all taxpayers.
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An educational information and filing portal dedicated to simplifying the IRS extension process for the general public.
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Specialized tools and resources for navigating state-specific tax extensions in all 50 states.
Visit Website →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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