Every new Colorado business filing, every dayPhylaxion Security
Phylaxion Security LLC is a Denver-based cybersecurity firm that provides virtual CISO (vCISO) and security program leadership for small and growing businesses. The website describes services such as risk assessments, cloud security, and incident readiness, grounded in frameworks like NIST CSF and CIS Controls. The LLC filing and website address both show 1500 N Grant St, Ste N, Denver, CO 80203.
Filed December 9, 2025 · Denver, CO · Denver County
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Colorado Secretary of State · Entity 20258338756 · Retrieved June 12, 2026
About Phylaxion Security
Phylaxion Security LLC filed in Colorado on December 9, 2025, as a cybersecurity company offering virtual CISO services. Its principal address is in Denver, and the domain was registered on the same day as filing, December 9, 2025, through Cloudflare. The website is modern and identity confirmed. The company shares its address with 3,473 other entities. We estimate annual revenue between $100,000 and $1 million and 1 to 5 employees. No annual report or EIN is on file yet. The business was first seen by DayOneLead 185 days after filing.
- Domain registered on the same day as filing, suggesting a coordinated launch.
- Website identity confirmed, matching the filing name and address.
- Shares address with 3,473 other entities, indicating a shared or virtual office.
- Online-only footprint with moderate revenue estimate.
- 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 August 23, 2026.
One of 3,487 new businesses registered in Denver in December 2025, one of 2 cybersecurity businesses.
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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 Phylaxion Security registered?
Phylaxion Security was registered as LLC on December 9, 2025 in Colorado.
Where is Phylaxion Security located?
Phylaxion Security is based in Denver, CO, 80203, in Denver County.
What type of business is Phylaxion Security?
Phylaxion Security is classified as a cybersecurity business (virtual ciso (vciso) services).
Does Phylaxion Security have an EIN on file?
No EIN was found on file for Phylaxion Security at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
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