Company lists · Data refreshed September 2026

Top 25 Advocacy consulting firms based in New York, United States

Name: Advocacy consulting firms 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 14, 2026 229 companies tracked

RevenueBase identified 229 advocacy consulting firms headquartered in New York, United States as of September 2026 and tracks 4,676 professional contacts across them, including 2,019 with verified work emails. Washington is the largest hub.

This list covers advocacy consulting 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 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 14, 2026 86% judged on-target in blind review

229Companies

4,676Contacts tracked

2,019Verified emails

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The 25 largest advocacy consulting firms based in New York, United States

Ranked by team size

Top 25 of 229 advocacy consulting firms based in New York, United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to advocacy consulting firms: 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	Porter Novelli	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	501-1,000	821 contacts →
	Indirect evidence “Porter Novelli is the strategic communications company, fueled by innovation, empowering clients to do business better in an ever-changing world.” Source: RevenueBase Database · checked Sep 14, 2026
2	Boies Schiller Flexner LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	501-1,000	537 contacts →
	Indirect evidence “A firm of internationally recognized trial lawyers, crisis managers, and strategic advisors known for our creative, aggressive, and efficient pursuit of success for our clients.” Source: RevenueBase Database · checked Sep 14, 2026
3	Mercury Public Affairs, LLC	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	51-200	390 contacts →
	Indirect evidence “Mercury is a national bipartisan government relations and strategic communications firm.” Source: RevenueBase Database · checked Sep 14, 2026
4	DKC	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	201-500	349 contacts →
	Indirect evidence “DKC is a full service public relations, marketing and government affairs firm and part of the Acceleration Community of Companies, Based in New York City, and with offices in Los…” Source: RevenueBase Database · checked Sep 14, 2026
5	Berlinrosen, An Orchestra Company	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	201-500	302 contacts →
	Indirect evidence “Built to operate with the speed and intensity of a political campaign, BerlinRosen takes a 360-degree approach to communications, activating audiences and elevating story above…” Source: RevenueBase Database · checked Sep 14, 2026
6	Global Strategy Group	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	51-200	179 contacts →
	Indirect evidence “Global Strategy Group is the go-to public affairs, communications, and research partner for companies, causes, and campaigns.” Source: RevenueBase Database · checked Sep 14, 2026
7	Finsbury Glover Hering	Indirect evidence	New York, United StatesHQ checked Sep 14, 2026	501-1,000	166 contacts →
	Indirect evidence “We are now FGS Global.” Source: RevenueBase Database · checked Sep 14, 2026
8	Fenton	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	51-200	140 contacts →
	Indirect evidence “At Fenton, we are communications strategists for social change.” Source: RevenueBase Database · checked Sep 14, 2026
9	Kasirer LLC	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	88 contacts →
	Indirect evidence “Kasirer is NYC's #1 lobbying firm, navigating government on behalf of private sector & nonprofit clients.” Source: RevenueBase Database · checked Sep 14, 2026
10	Marino	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	72 contacts →
	Indirect evidence “Marino is a national marketing, communications, and creative agency delivering data-driven and fully integrated strategies that shape perceptions, amplify impressions, and build…” Source: RevenueBase Database · checked Sep 14, 2026
11	Dubin Research & Consulting DRC	Partial evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	63 contacts →
	Partial evidence “Dubin Research & Consulting (DRC) has distinguished itself as one of the finest consulting firms in the nation, specializing in jury selection, demonstrative aids, focus groups…” Source: RevenueBase Database · checked Sep 14, 2026
12	The Advance Group TAG	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	62 contacts →
	Indirect evidence “Founded and led by Scott Levenson since 1990, TAG is a diverse team working together to deliver results.” Source: RevenueBase Database · checked Sep 14, 2026
13	The Parkside Group	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	46 contacts →
	Indirect evidence “Described by the New York Times as “a new breed of consultants,” the Parkside Group is a leading public affairs firm.” Source: RevenueBase Database · checked Sep 14, 2026
14	Hiltzik Strategies	Partial evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	41 contacts →
	Partial evidence “Hiltzik Strategies is a strategic communications and consulting firm that shapes, protects, and advances the narratives for leaders in media, entertainment, sports, finance, tech…” Source: RevenueBase Database · checked Sep 14, 2026
15	Tusk Strategies	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	41 contacts →
	Indirect evidence “Tusk Strategies is a 35-person team of some of the most talented and tenacious political, communications, and policy strategists in the country.” Source: RevenueBase Database · checked Sep 14, 2026
16	Sloane & Company	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	41 contacts →
	Indirect evidence “Sloane & Company is an industry-leading strategic communications firm.” Source: RevenueBase Database · checked Sep 14, 2026
17	Heller	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	37 contacts →
	Indirect evidence “HELLER works on high-profile issues across the country.” Source: RevenueBase Database · checked Sep 14, 2026
18	VOZ Advisors	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	33 contacts →
	Indirect evidence “Founded in 1995, VOZ Advisors.” Source: RevenueBase Database · checked Sep 14, 2026
19	Farragut Square Group	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	27 contacts →
	Indirect evidence “We are trusted advisors to organizations buying, growing, or selling mid-large scale health care practices.” Source: RevenueBase Database · checked Sep 14, 2026
20	Anat Gerstein, INC	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	27 contacts →
	Indirect evidence “anat.” Source: RevenueBase Database · checked Sep 14, 2026
21	Moxie Strategies	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	24 contacts →
	Indirect evidence “Moxie Strategies is your premier national boutique public affairs firm-bold, unapologetic, and transformative.” Source: RevenueBase Database · checked Sep 14, 2026
22	Reevemark	Indirect evidence	New York, United StatesHQ checked Sep 14, 2026	11-50	22 contacts →
	Indirect evidence “Reevemark is a strategic communications firm founded in 2018 by five highly-experienced professionals who have been advising clients on communications around value-determinative…” Source: RevenueBase Database · checked Sep 14, 2026
23	Hirsch Leatherwood	Indirect evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	20 contacts →
	Indirect evidence “Hirsch Leatherwood is a strategic communications firm used by legacy Fortune 500 companies and emerging challengers across industries.” Source: RevenueBase Database · checked Sep 14, 2026
24	Gotham Government Relations	Partial evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	20 contacts →
	Partial evidence “Harnessing the power of Advocacy, Law, Politics & the Press.” Source: RevenueBase Database · checked Sep 14, 2026
25	Whitman Insight Strategies	Partial evidence	New York, NY, United StatesHQ checked Sep 14, 2026	11-50	19 contacts →
	Partial evidence “Whitman Insight Strategies is a strategic communications consulting firm that builds winning brands, causes, and political leaders.” Source: RevenueBase Database · checked Sep 14, 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: advocacy consulting firms. 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 advocacy consulting firms.
Partial evidence: Its own public description names part of advocacy consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name advocacy consulting firms. 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 25 of 229 advocacy consulting firms based in New York, United States

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Advocacy consulting firms based in New York, United States at a glance

As of Sep 14, 2026

43.2%Verified-email coverage

20.4Average contacts per company

1-10Median size (employees)

372.1%Largest-city concentration · Washington

Sep 14, 2026Page data refreshed

Companies by employee count

1-10

160

11-50

51-200

201-500

501-1,000

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 229 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 advocacy consulting firms, 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 “advocacy consulting firms”. 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 advocacy consulting firms), 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 advocacy consulting firms, 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, 2,019 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 14, 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.

Advocacy consulting firms 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 advocacy consulting firms, 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 advocacy consulting firms are there based in New York, United States?

RevenueBase identified 229 advocacy consulting firms 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?

Porter Novelli, headquartered in New York, tops this list with the largest team on record.

Which city has the most advocacy consulting firms?

Washington leads with 852 headquartered companies, followed by New York (229) and Chicago (136).

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 2,019 verified decision-maker contacts tracked across these 229 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 14, 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.