Company lists · Data refreshed November 2026

Top 25 Impact reporting consultants based in the United States

RevenueBase identified 851 company matches for impact reporting consultants associated with the United States as of November 2026 and tracks 4,877 professional contacts across them, including 1,574 with verified work emails. New York is the largest hub.

This list covers company matches for impact reporting consultants associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
851Companies
4,877Contacts tracked
1,574Verified emails
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The 25 largest impact reporting consultants based in the United States

Ranked by team size
Top 25 of 851 company matches for impact reporting consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a244 contacts →

Exact match

“TCC Group collaborates with leaders to solve complex social problems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026n/a168 contacts →

Exact match

“Founded in 2006, Good Company is a social impact consultancy specializing in innovative, collaborative marketing, partnerships and communications strategies with purpose.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSeattle, CA, United StatesHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“One of Fast Company's 2025 Best Workplaces for Innovators!* Third Plateau is an impact consultancy on a mission to build lasting social good.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchRancho Cordova, CA, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Real Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCedar Falls, IA, United StatesHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“At Amperage, we are more than just a marketing agency or a fundraising consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSanta Barbara, CA, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“LegacyWorks Group brings transformative impact initiatives to life through an array of services including Strategy Consulting and Planning, Collaborative Facilitation, Data…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSanta Cruz, CA, United StatesHQ recorded Nov 6, 2026n/a48 contacts →

Exact match

“Cosmic equips social impact leaders and brands with the strategies, tools, and mindset needed to win in the attention economy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNew York, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Changing Our World is a trusted social impact consulting firm that advises leading corporations and nonprofit organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Impact reporting should drive learning and growth, not just compliance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“We support purpose-driven organizations, donors, and investors to understand, measure, and communicate their impact.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNorthampton, MA, United StatesHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“3BL is the leading sustainability and social impact communications partner, connecting organizations’ stories of purpose and progress with the audiences who matter most.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“180 Degrees Consulting at USC is a student-led social impact consultancy that provides consulting services to nonprofits, social enterprises, and other socially-minded…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSydney, United StatesHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“BWD is a pure-play, independent sustainability consultancy and B Corp with offices in Sydney, New York, Brisbane, Phoenix, and Auckland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSeattle, DC, United StatesHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“Linksbridge expands the capacity of NGOs, IGOs, and nonprofits to improve human lives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“The Institute for Development Impact (I4DI) is rethinking impact measurement and learning to shape how organizations invest, operate, and improve.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSilicon Valley, CA, United StatesHQ recorded Nov 6, 2026n/a36 contacts →

Exact match

“SVT is a pioneering impact management advisory firm founded in 2001.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20035 contacts →

Exact match

“Welcome to Cognitud, where purpose-driven consulting meets global impact.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“We’re a Strategic Engagement + Evaluation consulting firm working with our clients to build healthy, just and equitable communities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Why does Intentional Futures exist?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWashington, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Cerise+SPTF is a joint venture of two leading global organizations dedicated to #social and #environmental performance management-a way of doing business that puts #people and the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Governance & Accountability Institute (G&A) is a New York–based sustainability consulting and research firm advising corporate leaders and investors at the intersection of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“We believe that investment capital can help meet large-scale global challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Our mission is to increase the amount and effectiveness of capital allocation for the greater good, as described in the UN SDGs, by increasing trust in the social and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDenver, CO, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“MarketShare Associates (MSA) is a global firm of creative facilitators, strategists, economists and experienced researchers who believe that both public and private institutions…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 851 impact reporting consultants based in the United States

See the full list, filter by size, metro and specialty, and access 1,574 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Impact reporting consultants based in the United States at a glance

As of Nov 6, 2026
32.3%Verified-email coverage
5.7Average contacts per company
1-10Median size (employees)
10.0%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
711
11-50
120
51-200
14
201-500
3
501-1,000
1
1,001-5,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 851 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “impact reporting consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,574 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “impact reporting consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many impact reporting consultants are there based in the United States?

RevenueBase identified 851 company matches for impact reporting consultants associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

TCC Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most impact reporting consultants?

New York leads with 85 company records, followed by Washington (45) and Chicago (40).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,574 professional contacts with verified work emails tracked across these 851 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.