Every new Colorado business filing, every daySideQuest Engineer
CHARLES CHUSANG KIM, Registered Agent
SideQuest Engineer LLC operates as an AI-native build lab, developing real products that run in production. The filing address is in Berthoud, Colorado, indicating a local presence.
Filed June 23, 2026 · Berthoud, CO · Larimer County
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Colorado Secretary of State · Entity 20261765061 · Retrieved June 25, 2026
About SideQuest Engineer
SideQuest Engineer LLC filed in Colorado on June 23, 2026, as an AI-native development lab based in Berthoud. Owner CHARLES CHUSANG KIM filed personally as the registered agent. The domain was registered on the same day as the filing, June 23, 2026, through NameCheap. Its modern website matched the filing name and address, and we estimate revenue between $100K and $1M with 1 to 5 employees. No annual report or EIN on file yet.
- Domain registered on the same day as the filing, June 23, 2026.
- Owner CHARLES CHUSANG KIM filed personally as the registered agent.
- Website identity confirmed, matching the company name and address.
- We estimate revenue of $100K-$1M and 1-5 employees.
- 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 54 new businesses registered in Berthoud in June 2026, and the only ai build lab 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 SideQuest Engineer registered?
SideQuest Engineer was registered as LLC on June 23, 2026 in Colorado.
Where is SideQuest Engineer located?
SideQuest Engineer is based in Berthoud, CO, 80513, in Larimer County.
What type of business is SideQuest Engineer?
SideQuest Engineer is classified as a ai build lab business (ai-native development).
Does SideQuest Engineer have an EIN on file?
No EIN was found on file for SideQuest Engineer at the time of registration.
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