Company lists · Data refreshed September 2026

Top 25 Impact consulting firms based in Brooklyn, United States

Name: Impact consulting firms based in Brooklyn, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 79 companies tracked

RevenueBase identified 79 company matches for impact consulting firms associated with Brooklyn, United States as of September 2026 and tracks 181 professional contacts across them, including 59 with verified work emails. Across the United States, New York is the largest hub for this category (1,952 companies); Brooklyn has 79.

This list covers company matches for impact consulting firms associated with Brooklyn, 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 September 30, 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 Sep 30, 2026 How this list was built

79Companies

181Contacts tracked

59Verified emails

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The 25 largest impact consulting firms based in Brooklyn, United States

Ranked by team size

Top 25 of 79 company matches for impact consulting firms based in Brooklyn, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Hastings Group Media	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	11-50	13 contacts →
	Exact match “The Hastings Group is a full-service consulting firm that specializes in issues management and lobbying, coalition outreach, public relations, social media, Web projects and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	YHK Services	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	11-50	10 contacts →
	Exact match “We are innovators.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Electric Innovation	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	11-50	9 contacts →
	Exact match “Electric is a next gen strategy, innovation, and design consultancy, purpose-built to de-risk bravery in a changing world.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Drensys	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	8 contacts →
	Exact match “Drensys is an Consulting firm with a wide range of services for the ever-changing business sphere” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Seawalls Collective	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	7 contacts →
	Exact match “Seawalls Collective operates at the intersection of analytics, consulting and forecasting to develop unique marketing insights and solutions for our fast-growing client list.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Plan A Advisors	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	6 contacts →
	Exact match “Plan A Advisors is a management consulting firm for nonprofits and philanthropies.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Owen Consulting INC	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	11-50	6 contacts →
	Exact match “Owen Consulting partners with mission-driven organizations to measure impact, strengthen their effectiveness, and mobilize resources.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Gaussian	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	5 contacts →
	Exact match “Gaussian Holdings is a holding company based in New York.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Bramble And Bird Consulting	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Founded by social entrepreneur, Ann Boger, we are a distributed team of experienced consultants partnering with clients to solve complex problems in regulated industries…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	The Difference Engine	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “The Difference Engine is an insight and strategy consultancy.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Cambiar	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “At CAMBIAR, change isn’t just our name-it’s our calling.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Lizanne Hart Consulting, LLC	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “When you are not getting the results you want, it’s time to rethink your story (and how you’re telling it).” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Priority Consulting & Services	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “At Priority Consulting & Services, we strive to partner with organizations in driving positive change, fostering growth, and transforming communities through providing the…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	City Hearts Digital	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “City Hearts aims to take hold of and strategize realistic, low maintenance, profitable plans for small businesses.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Court Street Consulting LLC	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “Management consulting firm founded by Principal Consultant, Dr.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Fuse Foresight	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “FUSE is a people-centric strategy consulting firm.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Bridge Business Development LLC	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “BRIDGE’s mission is to deliver the marketing/advertising expertise to grow your business while providing the transparency and flexibility that allows our relationship to evolve as…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Sustainable Strategies For The Future LLC	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “Our mission is to provide our clients with the opportunity to benefit from the future of sustainable living through expertise and technology.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Pioneer Strategy Group	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “Pioneer Strategy Group (PSG) is a New York-based strategic advisory firm that partners with corporate R&D and marketing leaders to navigate innovation challenges with quality…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Hollod Impact	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “Hollod Impact designs social impact solutions for the corporate, philanthropy and nonprofit sectors.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Commcoterie	Exact match	Brooklyn, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “Commcoterie drives program progress, navigates change, and develops stakeholder communication with companies and nonprofits on a mission so that they can achieve the…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Change Everything	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “If we all had the tools to change everything, where would we start?” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Bates Consulting Group LLC	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “Bates Consulting Group LLC (formerly LBM & Associates), is a boutique strategy consulting firm, headquartered in Brooklyn, New York.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	YSB Consulting	Exact match	Brooklyn, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “At YSB Consulting, we specialize in helping businesses with product development teams that lack the agility and direction needed to make a measurable impact on their bottom line.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Mongoose Strategies	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “Strategies to capitalize on growth opportunities for critical missions that empower the next generation of informed and effective citizens.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “impact consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 79 impact consulting firms based in Brooklyn, United States

See the full list, filter by size, metro and specialty, and access 59 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Impact consulting firms based in Brooklyn, United States at a glance

As of Sep 30, 2026

32.6%Verified-email coverage

2.3Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

Email recency for this list is measured across the whole United States list rather than for Brooklyn, so it is reported there. Company counts and contact totals on this page are exact for Brooklyn, over 79 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 Brooklyn, United States whose business descriptions match “impact consulting firms” 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 59 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 September 30, 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.

Impact consulting firms by metro in the United States

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 consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many impact consulting firms are there based in Brooklyn, United States?

RevenueBase identified 79 company matches for impact consulting firms associated with Brooklyn, United States as of September 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?

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

Which city in the United States has the most impact consulting firms?

New York leads the United States with 1,952 company records, followed by Chicago (974) and Washington (937). Brooklyn has 79.

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 59 professional contacts with verified work emails tracked across these 79 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 September 30, 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.