Every new New York business filing, every daySullivan Consultancy
William T. Sullivan, Registered Agent
Sullivan Consultancy is a consulting firm based at 30 Park Avenue, New York, NY. Their website states they help organizations scale revenue, strengthen boards, and build institutions, guided by decades of experience.
Filed August 29, 2025 · Manhattan, NY · New York County
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New York Department of State, Division of Corporations · Entity 7698186 · Retrieved May 18, 2026
About Sullivan Consultancy
Sullivan Consultancy LLC filed in New York on August 29, 2025, as an active management consulting firm focused on revenue growth and board advisory, based in Manhattan. Owner William T. Sullivan filed personally as the registered agent. The domain was registered 15 days before filing via Squarespace Domains, and its modern website confirmed the business identity. One other entity shares the same address. We estimate annual revenue between $100K and $1M with 1 to 5 employees and a brick-and-mortar footprint. No annual report or EIN on file yet.
- Domain registered 15 days before the New York filing date.
- Owner filed personally as the registered agent.
- Website confirmed the business name and address.
- One other entity shares the same address.
- We estimate revenue of $100K-$1M and 1-5 employees.
- 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 2,599 new businesses registered in Manhattan in August 2025, one of 7 management consulting businesses.
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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 Sullivan Consultancy registered?
Sullivan Consultancy was registered as LLC on August 29, 2025 in New York.
Where is Sullivan Consultancy located?
Sullivan Consultancy is based in Manhattan, NY, 10016, in New York County.
What type of business is Sullivan Consultancy?
Sullivan Consultancy is classified as a management consulting business (revenue growth and board advisory).
Does Sullivan Consultancy have an EIN on file?
No EIN was found on file for Sullivan Consultancy at the time of registration.
Who Sells to This Business
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