Every new Colorado business filing, every dayInTandem HR
Monica Denler, Principal
InTandem Human Resources is a Denver, Colorado-based Professional Employer Organization (PEO) that provides full-service HR outsourcing to small and mid-size businesses. The company's website lists a Denver address matching the LLC filing and names Monica Denler as an officer, consistent with the filing's principal. Services include payroll, benefits administration, compliance, and risk management, as described on the site.
Filed March 27, 2026 · Denver, CO · Denver County
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Colorado Secretary of State · Entity 3410131 · Retrieved July 27, 2026
About InTandem HR
InTandem Human Resources, LLC filed in Colorado on March 27, 2026, as a professional employer organization based in Denver. Its domain was registered over 15 years earlier, on October 4, 2010, through GoDaddy. Monica Denler is listed as Principal. The website matched the filing identity, and we estimate revenue between $1M and $10M with 6 to 25 employees. No annual report or EIN on file yet.
- Domain registered 5,653 days before the Colorado filing.
- Monica Denler is listed as Principal.
- Website confirmed to match the business name and address.
- We estimate revenue of $1M-$10M and 6-25 employees.
- No annual report or EIN on file yet.
- Filed in Colorado with a Denver principal address.
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 3,119 new businesses registered in Denver in March 2026, and the only human resources outsourcing 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.
Officers / Authorized Persons
Frequently Asked Questions
When was InTandem HR registered?
InTandem HR was registered as LLC on March 27, 2026 in Colorado.
Where is InTandem HR located?
InTandem HR is based in Denver, CO, 80246-1814, in Denver County.
What type of business is InTandem HR?
InTandem HR is classified as a human resources outsourcing business (professional employer organization (peo)).
Does InTandem HR have an EIN on file?
No EIN was found on file for InTandem HR at the time of registration.
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