Every new Colorado business filing, every dayAcorn Security
SANG HYUK LEE, Registered Agent
Acorn Security LLC is a cybersecurity company based in Boulder, Colorado, as indicated by its registered address and local contact number. The website offers security services including file/link checking and Windows Defender audits, and positions itself as helping those who have been hacked.
Filed August 27, 2026 · Boulder, CO · Boulder County
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Colorado Secretary of State · Entity 20268085310 · Retrieved August 31, 2026
About Acorn Security
Acorn Security LLC filed in Colorado on August 27, 2026, with a principal address in Boulder. Owner Sang Hyuk Lee filed personally as the registered agent. The company's domain was registered 412 days before filing, on July 11, 2025, through GoDaddy. The website, built with WordPress, is modern and confirmed to match the filing name and address. No annual report or EIN on file yet. We estimate revenue under $100,000 and 1-5 employees, with an online-only footprint.
- Domain registered over a year before the company filed, on July 11, 2025.
- Owner Sang Hyuk Lee filed personally as the registered agent.
- Website built with WordPress and confirmed to match the filing name and address.
- We estimate revenue under $100,000 and 1-5 employees, online-only.
- No annual report or EIN on file yet.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated September 1, 2026.
One of 368 new businesses registered in Boulder in August 2026, and the only cybersecurity services business registered there that month.
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Filing Details
Verified Business Profile
Contact Information
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.
Frequently Asked Questions
When was Acorn Security registered?
Acorn Security was registered as LLC on August 27, 2026 in Colorado.
Where is Acorn Security located?
Acorn Security is based in Boulder, CO, 80303, in Boulder County.
What type of business is Acorn Security?
Acorn Security is classified as a cybersecurity services business (digital security and hacking response).
Does Acorn Security have an EIN on file?
No EIN was found on file for Acorn Security at the time of registration.
Who Sells to This Business
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