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Castle Research
Operates as a provider of digital research tools, analytics solutions, and data intelligence, targeting academics, clinicians, and organizations. The business is likely based in Austin, TX per the LLC filing, but the website email suggests a Nigerian connection, making the exact location unclear.
Permit issued February 2, 2026 · Austin, TX
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See how it worksAbout Castle Research
Castle Research is a research tools & analytics business that received a Texas sales tax permit on February 2, 2026 from the Texas Comptroller of Public Accounts. This is a permit issue date, not an LLC formation date. The business is located in Austin, Texas 78753.
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Permit Details
Entity NameCastle Research LLC
Entity TypeLLC
Entity Number32103651363-1
Permit Issue DateFebruary 2, 2026
Principal AddressLocked
City / State / ZipAustin, TX 78753
TimezoneCentral (CT)
EIN on FileNo
Verified Business Profile
SubcategoryDigital Research Platforms
Contact Information
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Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
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Document Timeline
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Frequently Asked Questions
When was Castle Research's Texas sales tax permit issued?
Castle Research's Texas sales tax permit was issued on February 2, 2026. This is a permit date, not an LLC formation date.
Where is Castle Research located?
Castle Research is based in Austin, TX, 78753.
What type of business is Castle Research?
Castle Research is classified as a research tools & analytics business (digital research platforms).
Does Castle Research have an EIN on file?
No EIN was found on file for Castle Research at the time of registration.
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