Every new Colorado business filing, every dayCentaur Labs
Centaur Labs Corporation operates as Centaur.ai, providing expert data annotation services for AI development. The company leverages a network of over 100,000 experts to deliver precision-labeled datasets. While the business is based in Boston, MA (per website), its registered address is in Longmont, CO (per filing).
Filed July 24, 2026 · Longmont, CO · Weld County
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Colorado Secretary of State · Entity 20261895970 · Retrieved July 27, 2026
About Centaur Labs
Centaur Labs Corporation filed in Colorado on July 24, 2026, as a data annotation services company based in Longmont, Colorado. The company has a modern website that matches the filing name and address. We estimate annual revenue between $10M and $50M and 26 to 100 employees, with a hybrid footprint. No annual report or EIN is on file yet.
- Website identity confirmed to match the filing name and address.
- Same address appears in three other entities.
- No annual report or EIN on file yet.
- First seen by DayOneLead just 3 days after filing.
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 184 new businesses registered in Longmont in July 2026, and the only data annotation 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 Centaur Labs registered?
Centaur Labs was registered as Corp on July 24, 2026 in Colorado.
Where is Centaur Labs located?
Centaur Labs is based in Longmont, CO, 80504, in Weld County.
What type of business is Centaur Labs?
Centaur Labs is classified as a data annotation services business (expert data labeling).
Does Centaur Labs have an EIN on file?
No EIN was found on file for Centaur Labs at the time of registration.
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