Company lists · Data verified August 2026

Top 15 Administrative support for investment firms based in New York, United States

Name: Administrative support for investment firms based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 33 companies tracked

There are 33 administrative support for investment firms headquartered in New York, United States (RevenueBase, August 2026). RevenueBase tracks 279 professional contacts across them, including 127 with verified work emails and 147 with mobile numbers. New York is the largest hub.

This list covers administrative support for investment firms headquartered in New York, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

33Companies

279Contacts tracked

127Verified emails

147Mobile numbers

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The 15 largest administrative support for investment firms based in New York, United States

Ranked by team size

Top 15 of 33 administrative support for investment firms based in New York, United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Ingalls & Snyder	New York, NY	51-200	68	57
2	Klingenstein Fields Advisors	New York, NY	11-50	40	29
3	Cowen Prime Services IS NOW Cowen INC	New York, NY	51-200	29	4
4	Hamburger LAW Firm	New York, NY	11-50	18	5
5	Florio Leahy LLP	New York, NY	11-50	11	9
6	Fisolve	New York	11-50	9	7
7	Millennial Advisers, LLC	New York, NY	11-50	8	1
8	IRC Securities	New York, NY	1-10	6	1
9	Eagle Wealth Advisors LLC	New York	1-10	6	1
10	Flagship Fund Services	New York, NY	1-10	5	3
11	Investors Economic Assurance, LLC	New York, NY	11-50	4	3
12	Fortifinancial	New York, NY	1-10	2	2
13	OTC 251, INC	New York, NY	1-10	2	1
14	Lampa Capital	New York, NY	1-10	1	1
15	OAK & Reed Capital Management	New York, NY	1-10	1	1

Showing 15 of 33 administrative support for investment firms based in New York, United States

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Administrative support for investment firms based in New York, United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 33 HQs

147Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Administrative support for investment firms by metro in the United States

Metro	Companies
Administrative support for investment firms in New York	33
Administrative support for investment firms in Atlanta	16
Administrative support for investment firms in Chicago	15
Administrative support for investment firms in Dallas	14
Administrative support for investment firms in Portland	12
Administrative support for investment firms in Charlotte	11
Administrative support for investment firms in Boston	10
Administrative support for investment firms in Miami	9

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “administrative support for investment firms”, with match quality audited by blind human judging, and headquartered in New York, United States.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 3 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many administrative support for investment firms are there based in New York, United States?

There are 33 administrative support for investment firms headquartered in New York, United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Ingalls & Snyder, headquartered in New York, tops this list with the largest team on record.

Which city has the most administrative support for investment firms?

New York leads with 33 headquartered companies, followed by Atlanta (16) and Chicago (15).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 127 verified decision-maker contacts tracked across these 33 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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Related lists

Administrative support for investment firms by geography

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.