Company lists · Data refreshed September 2026

Top 25 Impact consulting firms based in Irvine, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 122 companies tracked

RevenueBase identified 122 company matches for impact consulting firms associated with Irvine, United States as of September 2026 and tracks 1,004 professional contacts across them, including 441 with verified work emails. Across the United States, New York is the largest hub for this category (1,952 companies); Irvine has 122.

This list covers company matches for impact consulting firms associated with Irvine, 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

122Companies

1,004Contacts tracked

441Verified emails

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

Ranked by team size

Top 25 of 122 company matches for impact consulting firms based in Irvine, 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	John Burns Research And Consulting	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	51-200	183 contacts →
	Exact match “Our team produces independent research and custom consulting advice to help executives make the most informed decisions possible.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	EPD Solutions, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	51-200	64 contacts →
	Exact match “EPD was created to assist clients through the complex regulatory and interdisciplinary process required to bring projects to fruition in the most thoughtful manner.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Intueor Consulting, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	51-200	52 contacts →
	Exact match “Intueor specializes in Strategy, Operations & Business Productivity advisory work.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Compassx Group	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	47 contacts →
	Exact match “CompassX is a local-model consulting firm headquartered in SoCal.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	MLC And Associates	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	38 contacts →
	Exact match “MLC and Associates is an award-winning, world-class management consulting firm, recognized for helping companies in every industry with business continuity, corporate performance…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Nexvisionix	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	51-200	27 contacts →
	Exact match “At Nexvisionix, we specialize in driving Strategy and Execution excellence, leveraging cutting-edge AI and software to guide global organizations towards breakthrough business…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Ekwani Consulting	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	25 contacts →
	Exact match “Since the beginning, ekwani consulting has been a movement to us.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Evalcorp Research & Consulting	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	24 contacts →
	Exact match “EVALCORP partners with government agencies and community-based nonprofits to prevent and resolve complex social issues through: inclusive and diverse perspectives, innovative…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	The Adler Group	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	21 contacts →
	Exact match “Empowering organizations to hire great people by delivering the only end-to-end performance-based approach to hiring.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Allitix	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	51-200	18 contacts →
	Exact match “We are a people-driven consulting firm which prioritizes the goals and vision of our clients as number one.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Mentor Global Consultants	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	16 contacts →
	Exact match “MENTOR is a management consulting firm that helps organizations to improve performance and reach their full potential, by offering a unique combination of business solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	getbismart.com	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	16 contacts →
	Exact match “getBIsmart is a consulting firm with a robust team of professionals with over 12 years of experience in the area of Business Intelligence and Analytics, and across various…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Kapstone Planning	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	1-10	10 contacts →
	Exact match “Urban planning and operations consulting firm based in Orange County, CA.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Matrixpoint Consulting	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	9 contacts →
	Exact match “MatrixPoint Consulting helps brand executives in QSR, CPG, and retail grow through marketing they can measure.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	The Saros Group	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	8 contacts →
	Exact match “We "fill an ever-growing value gap" in the consulting marketplace between strategy and commodity delivery services at cost significantly lower than big 4 services for like…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Attac Group INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	8 contacts →
	Exact match “Transparency & Customer Needs Satisfaction are the two principles that make up ATTAC.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Montfichet & Company	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	51-200	7 contacts →
	Exact match “Montfichet is a management consulting company offering clients a focused range of fully integrated solutions in areas that include strategic planning, marketing automation, sales…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Sarakki Associates Inc. SAI	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	1-10	7 contacts →
	Exact match “Sarakki Associates Inc.(SAI) is a leading consulting firm specializing in management consulting, program/project management, and systems-software engineering (requirements…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Chris Jennings Group	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	1-10	6 contacts →
	Exact match “The Chris Jennings Group is comprised of leaders well-versed in many business models that have a passion for helping teams perform at their best by following a clearly outlined…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Spellbound Development Group, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	5 contacts →
	Exact match “Spellbound is a leader in team inspired innovation, helping clients generate ideas and products that foster growth and enhance business value.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Blickstein Group	Exact match	Irvine, United StatesHQ recorded Sep 30, 2026	1-10	5 contacts →
	Exact match “At Blickstein Group, we help leading law firms, tech and service providers, and financial players identify and take advantage of new opportunities by serving as change agents for…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	International Executive Consulting, LLC	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	1-10	5 contacts →
	Exact match “Your Vision, Our Expertise - A Prosperous Future Built Together At International Executive Consulting, we specialize in driving business transformation and organizational change…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Copperpillar Consulting, INC	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	11-50	5 contacts →
	Exact match “Copperpillar excels in the telecommunications industry with core services that enable our clients to meet fast paced demands and deadlines.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	The Sophia Consulting Firm	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “The Sophia Consulting Firm empowers innovators at the intersection of science, strategy, and storytelling.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Professional Corporate Consultants	Exact match	Irvine, CA, United StatesHQ recorded Sep 30, 2026	201-500	4 contacts →
	Exact match “Professional Corporate Consultants is a full-service project consulting firm with a reputation for delivering customized solutions to meet the diverse needs of public and private…” 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 122 impact consulting firms based in Irvine, United States

See the full list, filter by size, metro and specialty, and access 441 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 30, 2026

43.9%Verified-email coverage

8.2Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Irvine, so it is reported there. Company counts and contact totals on this page are exact for Irvine, over 122 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 Irvine, 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 441 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 Irvine, United States?

RevenueBase identified 122 company matches for impact consulting firms associated with Irvine, 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?

John Burns Research And Consulting 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). Irvine has 122.

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 441 professional contacts with verified work emails tracked across these 122 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.