Company lists · Data refreshed September 2026

Top 23 Estate tax attorneys based in New York, United States

Name: Estate tax attorneys based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 127 companies tracked

RevenueBase identified 127 estate tax attorneys headquartered in New York, United States as of September 2026 and tracks 906 professional contacts across them, including 530 with verified work emails. New York is the largest hub.

This list covers estate tax attorneys 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

127Companies

906Contacts tracked

530Verified emails

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The 23 largest estate tax attorneys based in New York, United States

Ranked by team size

Top 23 of 127 estate tax attorneys based in New York, United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to estate tax attorneys: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Moses Singer	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	51-200	156 contacts →
	Indirect evidence “Moses Singer provides legal services to companies, individuals and families in the New York City area.” Source: RevenueBase Database · checked Sep 20, 2026
2	Cassin & Cassin LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	51-200	79 contacts →
	Indirect evidence “Cassin & Cassin LLP, a law firm with three offices in New York City, Purchase, NY and Phoenix, AZ, has four decades of experience providing the highest quality of service to our…” Source: RevenueBase Database · checked Sep 20, 2026
3	Romer Debbas LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	11-50	58 contacts →
	Partial evidence “Romer Debbas, LLP is a mid-sized law firm located in midtown Manhattan specializing in the areas of real estate, banking/private banking, general corporate law, real estate and…” Source: RevenueBase Database · checked Sep 20, 2026
4	Capell Barnett Matalon & Schoenfeld LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	11-50	39 contacts →
	Partial evidence “Creative Attorneys.” Source: RevenueBase Database · checked Sep 20, 2026
5	Ehrenkranz Partners LP	Strong evidence	New York, NY, United StatesHQ checked Sep 20, 2026	11-50	39 contacts →
	Strong evidence “Ehrenkranz Partners offers a comprehensive suite of advisory services, including investment management, family office services, estate planning counsel, and tax strategy.” Source: RevenueBase Database · checked Sep 20, 2026
6	Stein Adler Dabah & Zelkowitz LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	11-50	27 contacts →
	Indirect evidence “Stein Adler Dabah & Zelkowitz LLP is a boutique law firm in New York City’s Flatiron District.” Source: RevenueBase Database · checked Sep 20, 2026
7	Littman Krooks LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	11-50	27 contacts →
	Indirect evidence “Littman Krooks LLP combines extensive legal knowledge and expertise with individual attention to your needs.” Source: RevenueBase Database · checked Sep 20, 2026
8	Morgan Legal Group P.C	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	11-50	26 contacts →
	Partial evidence “Our firm provides legal representation in all areas of: personal and business asset protection trust & estate planning wealth preservation elder law retirement planning wills and…” Source: RevenueBase Database · checked Sep 20, 2026
9	Mcmanus & Associates	Strong evidence	New York, NY, United StatesHQ checked Sep 20, 2026	11-50	21 contacts →
	Strong evidence “Now celebrating its 30 years, McManus & Associates continues to deliver the highest quality estate, income tax and philanthropic planning advisory services with the precision and…” Source: RevenueBase Database · checked Sep 20, 2026
10	Brinen & Associates, LLC	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	11-50	14 contacts →
	Indirect evidence “Brinen & Associates is a planning and transaction-oriented boutique law firm that offers legal advice for matters regarding all stages of corporate endeavors, securities, taxation…” Source: RevenueBase Database · checked Sep 20, 2026
11	Loeb, Block & Partners, LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	11-50	9 contacts →
	Indirect evidence “As an international private client boutique firm, Loeb Block represents a diverse set of ultra-high net worth individuals, families and family offices, as well as trustees and…” Source: RevenueBase Database · checked Sep 20, 2026
12	Schlesinger Lazetera & Auchincloss LLP	Strong evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1-10	9 contacts →
	Strong evidence “WITH SOPHISTICATED TRUST AND ESTATE SOLUTIONS – BE IT FOR COMPLEX ESTATE PLANNING SCENARIOS, DIFFICULT ESTATE ADMINISTRATIONS OR COMPLEX TAX AND ESTATE LITIGATIONS – WE LEAD…” Source: RevenueBase Database · checked Sep 20, 2026
13	Manice Budd & Baggett LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1-10	8 contacts →
	Partial evidence “The law firm of Manice Budd & Baggett LLP, with attorneys licensed in New York, Connecticut, and Florida, specializes in counseling individuals, families, private foundations, and…” Source: RevenueBase Database · checked Sep 20, 2026
14	Erwin, Marcus & Pathak P.C	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1-10	8 contacts →
	Partial evidence “Erwin & Marcus, P.C, formed in 2015, is the successor to Hill, Ullman & Erwin P.C, which since 1978 has guided clients through the process of wills, trusts, gift and estate…” Source: RevenueBase Database · checked Sep 20, 2026
15	Lara Sass & Associates, Pllc	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1-10	8 contacts →
	Partial evidence “As a boutique law firm dedicated exclusively to the practice of trusts and estates for high net worth individuals, we have extensive knowledge and practical experience advising…” Source: RevenueBase Database · checked Sep 20, 2026
16	Jill Miller & Associates, P.C	Indirect evidence	New York, United StatesHQ checked Sep 20, 2026	1-10	7 contacts →
	Indirect evidence “At Jill Miller & Associates, P.C.” Source: RevenueBase Database · checked Sep 20, 2026
17	Regina Kiperman, RK LAW PC	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1-10	6 contacts →
	Partial evidence “RK Law PC advises clients in the areas of Probate, Estate & Trust Administration, Estate Planning, Contested and Uncontested Guardianship matters, Will Contests, Contested…” Source: RevenueBase Database · checked Sep 20, 2026
18	Gardner Weiss & Rosenblum LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1-10	6 contacts →
	Indirect evidence “Gardner Weiss & Rosenblum LLP, founded in 1991, is a law firm located in midtown Manhattan, providing a broad range of legal services to closely held businesses and individuals.” Source: RevenueBase Database · checked Sep 20, 2026
19	Neufeld, O'leary & Giusto	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1-10	6 contacts →
	Indirect evidence “SINCE 1990 NEUFELD, O’LEARY & GIUSTO HAS DEVELOPED A REPUTATION FOR ITS COMMITMENT AND DEDICATION TO PROVIDING THE BEST POSSIBLE REPRESENTATION TO OUR CLIENTS.” Source: RevenueBase Database · checked Sep 20, 2026
20	Maurice Kassimir & Associates, P.C	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1-10	5 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026
21	Michael J. Greenberg, P.C	Indirect evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1-10	5 contacts →
	Indirect evidence “Michael J.” Source: RevenueBase Database · checked Sep 20, 2026
22	Spencer Legal	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	1-10	5 contacts →
	Partial evidence “Spencer Legal is a firm working with clients in the fields of Corporate Law, M&A, Trusts & Estates and Taxation.” Source: RevenueBase Database · checked Sep 20, 2026
23	Chaifetz & Chaifetz, LLC	Indirect evidence	New York, United StatesHQ checked Sep 20, 2026	1-10	5 contacts →
	Indirect evidence “Lawrence Chaifetz is principal and partner at Chaifetz and Chaifetz, LLC.” Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: estate tax attorneys. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names estate tax attorneys.
Partial evidence: Its own public description names part of estate tax attorneys, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name estate tax attorneys. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 23 of 127 estate tax attorneys based in New York, United States

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Estate tax attorneys based in New York, United States at a glance

As of Sep 20, 2026

58.5%Verified-email coverage

7.1Average contacts per company

1-10Median size (employees)

100.0%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

103

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 127 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among estate tax attorneys, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in New York, United States whose own description of what they do matches “estate tax attorneys”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names estate tax attorneys), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among estate tax attorneys, and records with no verified work email. Companies headquartered outside New York are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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: Every listed company carries at least one verified work email, 530 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Estate tax attorneys by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names estate tax attorneys, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many estate tax attorneys are there based in New York, United States?

RevenueBase identified 127 estate tax attorneys headquartered in New York, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Moses Singer, headquartered in New York, tops this list with the largest team on record.

Which city has the most estate tax attorneys?

New York leads with 127 headquartered companies, followed by Houston (79) and Chicago (73).

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 530 verified decision-maker contacts tracked across these 127 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.