Every new New York business filing, every dayKupfer Law
Kupfer., PLLC is a business law firm located at 800 Westchester Ave, Rye Brook, NY, specializing in helping clients from startup to exit. The website describes the firm as strategists, negotiators, and deal makers, and provides contact information consistent with the LLC filing.
Filed March 18, 2026 · Rye Brook, NY · Westchester County
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New York Department of State, Division of Corporations · Entity 20261325031 · Retrieved June 13, 2026
About Kupfer Law
Kupfer., PLLC filed in New York on March 18, 2026, with a principal address in Rye Brook. The domain was registered over a decade earlier, on April 25, 2015, through Squarespace Domains II. The website is modern and confirmed to match the filing identity. We estimate revenue between $1 million and $10 million with 6 to 25 employees, and the business has a brick-and-mortar footprint. One other entity shares the same address. No annual report or EIN on file yet.
- Domain registered 3,980 days before filing, showing a long-established online presence.
- Website confirmed to match filing name and address.
- We estimate revenue of $1M-$10M and 6-25 employees.
- Brick-and-mortar footprint indicated.
- One other entity shares the same address.
- 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 19 new businesses registered in Rye Brook in March 2026, and the only law firm 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 Kupfer Law registered?
Kupfer Law was registered as LLC on March 18, 2026 in New York.
Where is Kupfer Law located?
Kupfer Law is based in Rye Brook, NY, 10573, in Westchester County.
What type of business is Kupfer Law?
Kupfer Law is classified as a law firm business (business law).
Does Kupfer Law have an EIN on file?
No EIN was found on file for Kupfer Law at the time of registration.
Who Sells to This Business
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