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  2. New York
  3. Brooklyn
  4. Mental Health Services
  5. Martin Koser
Mental Health ServicesPsychotherapyActiveVerified

Martin Koser

Martin Koser, Registered Agent

Martin Koser LLC operates as a psychotherapy practice in Brooklyn, NY, led by Martin Albert Koser, a licensed clinical social worker (LCSW-R). The practice appears to be a solo practitioner serving the Brooklyn area.

Filed July 27, 2026 · Brooklyn, NY

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About Martin Koser

Martin Koser is a mental health services business (LLC) registered on July 27, 2026 with the New York Division of Corporations. The business is located in Brooklyn, New York 11235. The filing lists Martin Koser as Registered Agent.

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Filing Details

Entity NameMARTIN KOSER LLC
Entity TypeLLC
Entity Number7976395
Filing DateJuly 27, 2026
Principal AddressLocked
City / State / ZipBrooklyn, NY 11235
TimezoneEastern (ET)
EIN on FileNo
Registered AgentMartin Koser
Agent AddressLocked

Verified Business Profile

SubcategoryPsychotherapy

Contact Information

WebsiteLocked
PhoneLocked
EmailLocked
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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.

Domain RegisteredLocked
Domain AgeLocked
RegistrarLocked
Website PlatformLocked
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Document Timeline

Filing timeline will be available soon.

Frequently Asked Questions

When was Martin Koser registered?

Martin Koser was registered as LLC on July 27, 2026 in New York.

Where is Martin Koser located?

Martin Koser is based in Brooklyn, NY, 11235.

What type of business is Martin Koser?

Martin Koser is classified as a mental health services business (psychotherapy).

Does Martin Koser have an EIN on file?

No EIN was found on file for Martin Koser at the time of registration.

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