Every new Colorado business filing, every dayNew Holding Company Businesses in Castle Rock, CO
2 holding company businesses recently registered in Castle Rock, Colorado.
Updated November 12, 2026 · Most recent business filing Jul 9, 2026
Every new Colorado filing, every day
See how it worksAbout Holding Company Businesses in Castle Rock
This page lists new holding company businesses registered in Castle Rock, Colorado. We currently track 2, sourced directly from the Colorado Division of Corporations and refreshed daily as new holding company companies file.
Recent additions include H5 Data Centers and MG Holding. The most recent holding company business filing was on Jul 9, 2026.
Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to holding company businesses in Castle Rock, this is one of the freshest prospect lists in the market.
Frequently Asked Questions
How many new holding company businesses registered in Castle Rock, CO recently?
21 new holding company businesses filed in Castle Rock in the last 30 days, and 21 over the last 90 days. DayOneLead tracks 21 in total, refreshed daily from Colorado state filing records.
How do I get holding company leads in Castle Rock?
Every new holding company business in Castle Rock registers with the state before it shows up anywhere else, and those filings are public. DayOneLead detects them daily and adds a verified owner name, phone, email, and website status to each one, so you can reach new holding company businesses in their first week, before they appear in other directories.
How can I tell which Castle Rock holding company records are truly new businesses?
A new filing is not always a new business. Some registrations are re-filings, name changes, or holding entities. DayOneLead cross-references filings against domain registration records and website status, so you can spot the ones behaving like genuinely new operations instead of paperwork changes.
How fresh is this list of Castle Rock holding company records?
We refresh this page every day from the Colorado Division of Corporations. The most recent holding company business filing we recorded in Castle Rock was on Jul 9, 2026.
All Filings
H5 Data Centers
Jul 9, 2026H5 Holdings, LLC is a holding company based in Castle Rock, Colorado, associated with H5 Data Centers, a data center and colocation provider operating in Denver. The LLC likely manages the operations and assets of H5 Data Centers, as indicated by the shared naming and geography.
MG Holding
Aug 4, 2025MGHOLDINGS V LLC is a holding company associated with the diversified investment group MG Holding, as indicated by its website. The company specializes in emerging market investments and operates across various sectors. The LLC is registered in Castle Rock, Colorado.
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