Company lists · Data refreshed September 2026

Top 25 Impact measurement and management consultants based in New York, United States

Name: Impact measurement and management consultants 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 28, 2026 139 companies tracked

RevenueBase identified 139 impact measurement and management consultants headquartered in New York, United States as of September 2026 and tracks 916 professional contacts across them, including 256 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers impact measurement and management 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 28, 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 28, 2026 86% judged on-target in blind review

139Companies

916Contacts tracked

256Verified emails

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The 25 largest impact measurement and management consultants based in New York, United States

Ranked by team size

Top 25 of 139 impact measurement and management consultants based in New York, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to impact measurement and management 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	TCC Group	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	n/a	232 contacts →
	Indirect evidence “TCC Group collaborates with leaders to solve complex social problems.” Source: RevenueBase Database · checked Sep 28, 2026
2	Changing OUR World	Partial evidence	New York, United StatesHQ checked Sep 28, 2026	51-200	44 contacts →
	Partial evidence “Changing Our World is a trusted social impact consulting firm that advises leading corporations and nonprofit organizations.” Source: RevenueBase Database · checked Sep 28, 2026
3	Bluemark	Partial evidence	New York, United StatesHQ checked Sep 28, 2026	11-50	33 contacts →
	Partial evidence “BlueMark is the leading provider of independent impact verification and market intelligence for the sustainable and impact investing market.” Source: RevenueBase Database · checked Sep 28, 2026
4	Edsolutions	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	30 contacts →
	Partial evidence “EdSolutions is an education-focused strategy and innovation consulting firm focused on generating social impact through educational markets.” Source: RevenueBase Database · checked Sep 28, 2026
5	Fischerjordan	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	28 contacts →
	Indirect evidence “Exchange complexity for clarity.” Source: RevenueBase Database · checked Sep 28, 2026
6	Fluent Research	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	22 contacts →
	Indirect evidence “Fluent Research is a data and insights-driven strategic consulting firm.” Source: RevenueBase Database · checked Sep 28, 2026
7	Tideline	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	20 contacts →
	Partial evidence “Tideline is a women-owned, specialist consulting firm that provides expert impact investing advice and has played a foundational role in building the field since the firm’s…” Source: RevenueBase Database · checked Sep 28, 2026
8	Traxion Group, INC	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	18 contacts →
	Partial evidence “Traxion Group is a management consulting firm that specializes in: 1) Business Intelligence 2) Cost Management 3) Process Improvement 4) Project Management From Fortune 100…” Source: RevenueBase Database · checked Sep 28, 2026
9	KM Strategies Group	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	14 contacts →
	Partial evidence “KMSG is a social impact consulting firm that works with leaders navigating complexity as they work to make their communities better, stronger, and more vibrant places to live.” Source: RevenueBase Database · checked Sep 28, 2026
10	Align Social Impact	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	13 contacts →
	Partial evidence “With more than two decades of experience in the social impact sector, our expert team of social impact leaders works at the intersection of research, communications, culture…” Source: RevenueBase Database · checked Sep 28, 2026
11	Handshake Partners	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	10 contacts →
	Indirect evidence “For leaders who recognize the value of aligning business goals with creating a better world, Handshake builds influence that meets a human need, solves a problem for society, and…” Source: RevenueBase Database · checked Sep 28, 2026
12	The Bassiouni Group	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	10 contacts →
	Indirect evidence “The Bassiouni Group (TBG) is a global consulting firm.” Source: RevenueBase Database · checked Sep 28, 2026
13	Elemental Advisors	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	8 contacts →
	Partial evidence “We help some of the world’s best-known organizations and brands lead for impact.” Source: RevenueBase Database · checked Sep 28, 2026
14	Kind Capital	Partial evidence	New York, United StatesHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Founded by mission-driven leaders, Kind Capital is the trusted partner for impact investing and strategic advisory.” Source: RevenueBase Database · checked Sep 28, 2026
15	Catalyst Consulting Group	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Catalyst Consulting Group LLC is a New York based international consulting firm that has a global network of consultants who create innovative strategies to raise awareness…” Source: RevenueBase Database · checked Sep 28, 2026
16	Bash Advisory	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Bash Advisory is a collaborative and results-driven consultancy that partners with nonprofits and philanthropies to drive meaningful change.” Source: RevenueBase Database · checked Sep 28, 2026
17	Acora Partners	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	6 contacts →
	Partial evidence “Acora is an impact strategy and advisory firm.” Source: RevenueBase Database · checked Sep 28, 2026
18	Efeso North America	Strong evidence	New York, United StatesHQ checked Sep 28, 2026	501-1,000	6 contacts →
	Strong evidence “Founded in 1980, EFESO Consulting is a global management consultancy firm specialised in ensuring the perfect execution of the strategy across the client ecosystem.” Source: RevenueBase Database · checked Sep 28, 2026
19	SOWEN	Strong evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	5 contacts →
	Strong evidence “Sowen is a social impact consultancy.” Source: RevenueBase Database · checked Sep 28, 2026
20	Confluence Partners	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	5 contacts →
	Partial evidence “For over a decade, Confluence Partners, a communications and strategic advisory firm, has been working at the nexus of finance, impact and philanthropy and specializing in telling…” Source: RevenueBase Database · checked Sep 28, 2026
21	Sigma Ridge	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “Sigma Ridge is a spinoff from the Harvard University Graduate Consulting Club.” Source: RevenueBase Database · checked Sep 28, 2026
22	Deep Breadth	Indirect evidence	New York, United StatesHQ checked Sep 28, 2026	1-10	5 contacts →
	Indirect evidence “Deep Breadth serves as thought and action partners to ensure leaders, strategies, and programs across the non-profit ecosystem have the best chance to deliver long-term social…” Source: RevenueBase Database · checked Sep 28, 2026
23	Culture Shift Labs	Strong evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1-10	4 contacts →
	Strong evidence “Culture Shift Labs, a multifaceted global social impact consultancy est in 2006, tailors unicorn-like engagements for corporations, investors, social impact leaders, technology…” Source: RevenueBase Database · checked Sep 28, 2026
24	Oliive Ridley Advizory	Partial evidence	New York, United StatesHQ checked Sep 28, 2026	51-200	4 contacts →
	Partial evidence “ORA group is a leading Global Management Consulting & Advisory group powered by innovative and unique RWE methodologies to resolve paramount business challenges through various…” Source: RevenueBase Database · checked Sep 28, 2026
25	Omicrown	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	11-50	4 contacts →
	Indirect evidence “At Omicrown, we are a group of passionate leaders and specialists ready to help professional-service companies reach their full potential.” Source: RevenueBase Database · checked Sep 28, 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: impact measurement and management consultants. 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 impact measurement and management consultants.
Partial evidence: Its own public description names part of impact measurement and management consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name impact measurement and management consultants. 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 139 impact measurement and management consultants based in New York, United States

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Impact measurement and management consultants based in New York, United States at a glance

As of Sep 28, 2026

27.9%Verified-email coverage

6.6Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

111

11-50

51-200

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 139 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 impact measurement and management 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 “impact measurement and management 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 impact measurement and management 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 impact measurement and management 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, 256 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 28, 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.

Impact measurement and management 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 impact measurement and management 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 impact measurement and management consultants are there based in New York, United States?

RevenueBase identified 139 impact measurement and management 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?

TCC Group, headquartered in New York, tops this list with the largest team on record.

Which city in the United States has the most impact measurement and management consultants?

New York leads the United States with 139 headquartered companies, followed by Washington (102) and Chicago (92).

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 256 verified decision-maker contacts tracked across these 139 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 28, 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.