Company lists · Data refreshed September 2026

Top 16 Board effectiveness consultants based in New York, United States

RevenueBase identified 35 board effectiveness consultants headquartered in New York, United States as of September 2026 and tracks 101 professional contacts across them, including 44 with verified work emails. New York is the largest hub.

This list covers board effectiveness consultants 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 19, 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 19, 2026 86% judged on-target in blind review
35Companies
101Contacts tracked
44Verified emails
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The 16 largest board effectiveness consultants based in New York, United States

Ranked by team size
Top 16 of 35 board effectiveness consultants based in New York, United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to board effectiveness consultants: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceNew York, United StatesHQ checked Sep 19, 202611-5016 contacts →

Partial evidence

“Trewstar places highly qualified candidates on corporate boards across all industries.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 20261-1013 contacts →

Indirect evidence

“For over 20 years, Women in the Boardroom has been committed to delivering actionable strategies that motivate and inspire women to secure their seat at the table.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 202611-5012 contacts →

Indirect evidence

“Since 1986 Perry Davis Associates, Inc (PDA) has been providing outstanding services to non-profits both within the US and internationally.”

Source: RevenueBase Database · checked Sep 19, 2026
4Partial evidenceNew York, NY, United StatesHQ checked Sep 19, 202611-507 contacts →

Partial evidence

“Lyons, Benenson & Company Inc.(LB & Co.) is a leading independent compensation consulting firm that advises and counsels boards of directors and their compensation and governance…”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 20261-104 contacts →

Indirect evidence

“NPSCG is a consulting agency helping nonprofit organizations to reach their full potential.”

Source: RevenueBase Database · checked Sep 19, 2026
6Strong evidenceNew York, NY, United StatesHQ checked Sep 19, 20261-103 contacts →

Strong evidence

“An executive coaching and strategy consultancy that helps nonprofit CEOs and Boards build high-performing teams to execute better, scale impact faster, and raise more money.”

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceNew York, NY, United StatesHQ checked Sep 19, 20261-102 contacts →

Partial evidence

“I am a seasoned development executive with substantial experience in principal and major gifts, board development and management, and corporate relations.”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceNew York, United StatesHQ checked Sep 19, 20261-102 contacts →

Partial evidence

“Organizations by Design consultants partner with organizational leaders to cultivate their leadership potential.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceNew York, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“McCall Impact Consulting turbocharges nonprofits with cutting-edge strategies for growth, revenue, and impact.”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Deborah Brown Consulting LLC (DBC) brings clients 30+ years' experience working with executive teams within local, national and international nonprofits, foundations, and Fortune…”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceNew York, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Dan Fast, Founder & Principal of Ives Consulting LLC, guides nonprofit leaders through strategy development and hands-on execution, operations and process improvement, and…”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Executive and Leadership Team Coaching”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Abdale Consulting strategically guides organizations in planning for growth and change – easing transitions and positioning organizations and their leaders for success.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceNew York, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Book a sales call today.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Mission Obsessed Consulting, LLC is dedicated to empowering nonprofits to drive meaningful change.”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Why GROW.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 16 of 35 board effectiveness consultants based in New York, United States

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Board effectiveness consultants based in New York, United States at a glance

As of Sep 19, 2026
43.6%Verified-email coverage
2.9Average contacts per company
1-10Median size (employees)
100.0%Largest-city concentration · New York
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
28
11-50
6
51-200
1

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 35 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 board effectiveness consultants, 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 “board effectiveness consultants”. 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 board effectiveness consultants), 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 board effectiveness consultants, 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, 44 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 19, 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.

Board effectiveness consultants 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 board effectiveness consultants, 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 board effectiveness consultants are there based in New York, United States?

RevenueBase identified 35 board effectiveness consultants 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?

Trewstar Corporate Board Services, headquartered in New York, tops this list with the largest team on record.

Which city has the most board effectiveness consultants?

New York leads with 35 headquartered companies, followed by Washington (27) and Chicago (25).

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 44 verified decision-maker contacts tracked across these 35 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 19, 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.