Every new Colorado business filing, every dayMental HealthPsychotherapyActiveVerified
Sonder Practice
MARY WYNN BRITTAIN, Registered Agent
The business appears to be a psychotherapy practice called Sonder Practice, PLLC, based in Littleton, Colorado. The website candidate Sonder Psychotherapy, LLC (W1) offers counseling and therapy services, consistent with the LLC's professional nature. The filing address is a residential apartment, suggesting a small practice likely operated by a single licensed therapist.
Filed June 10, 2026 · Littleton, CO
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See how it worksAbout Sonder Practice
Sonder Practice is a mental health business (LLC) registered on June 10, 2026 with the Colorado Division of Corporations. The business is located in Littleton, Colorado 80123. The record lists MARY WYNN BRITTAIN as Registered Agent.
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Filing Details
Verified Business Profile
SubcategoryPsychotherapy
Contact Information
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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.
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Document Timeline
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Frequently Asked Questions
When was Sonder Practice registered?
Sonder Practice was registered as LLC on June 10, 2026 in Colorado.
Where is Sonder Practice located?
Sonder Practice is based in Littleton, CO, 80123.
What type of business is Sonder Practice?
Sonder Practice is classified as a mental health business (psychotherapy).
Does Sonder Practice have an EIN on file?
No EIN was found on file for Sonder Practice at the time of registration.
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