Every new New York business filing, every daySeastone Editing
Margaret Ambrosino, Registered Agent
Seastone Editing is a small editing and proofreading service based in Brooklyn, NY, likely operating under the LLC 'Sea Stone Writing Incorporated'. The website offers editing, proofreading, and content creation services for websites and social media.
Filed November 20, 2025 · Brooklyn, NY · Kings County
Find new writing and editing services businesses in Brooklyn, then launch a cold email campaign built for you.

Every new New York filing, every day
See how it worksSource
New York Department of State, Division of Corporations · Entity 7764107 · Retrieved May 17, 2026
About Seastone Editing
SEA STONE WRITING INCORPORATED filed in New York on November 20, 2025, as an editing and proofreading business based in Brooklyn. Owner Margaret Ambrosino filed personally as the registered agent. The domain was registered 794 days before filing, through 123-Reg, and the website matches the company name and address. No annual report or EIN on file yet.
- Domain registered 794 days before the filing date.
- Owner Margaret Ambrosino filed personally as the registered agent.
- Website identity confirmed to match the filing name and address.
- No annual report or EIN on file yet.
- We estimate revenue under $100K and 1-5 employees.
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 2,709 new businesses registered in Brooklyn in November 2025, and the only writing and editing services business registered there that month.
Is this business yours?
It's getting views. Claim the page for free to control what your customers see.
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 Seastone Editing registered?
Seastone Editing was registered as Corp on November 20, 2025 in New York.
Where is Seastone Editing located?
Seastone Editing is based in Brooklyn, NY, 11226, in Kings County.
What type of business is Seastone Editing?
Seastone Editing is classified as a writing and editing services business (editing and proofreading).
Does Seastone Editing have an EIN on file?
No EIN was found on file for Seastone Editing at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
Turn fresh writing and editing services businesses into your next customers
We find newly registered businesses, verify their contact details, and build the campaign. You review everything before anything sends.
Build My Campaign Free ›