Company lists · Data refreshed October 2026

Top 16 International business consulting firms based in Irvine, United States

Name: International business 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 Oct 1, 2026 48 companies tracked

RevenueBase identified 48 company matches for international business consulting firms associated with Irvine, United States as of October 2026 and tracks 209 professional contacts across them, including 94 with verified work emails. Across the United States, New York is the largest hub for this category (585 companies); Irvine has 48.

This list covers company matches for international business 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 October 1, 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 Oct 1, 2026 How this list was built

48Companies

209Contacts tracked

94Verified emails

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The 16 largest international business consulting firms based in Irvine, United States

Ranked by team size

Top 16 of 48 company matches for international business consulting firms based in Irvine, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	RJI Cpas	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	51-200	59 contacts →
	Exact match “RJI CPAs is a full-service accounting and consulting firm based in Irvine, California.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Intueor Consulting, INC	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	51-200	52 contacts →
	Exact match “Intueor specializes in Strategy, Operations & Business Productivity advisory work.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Mentor Global Consultants	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
4	International Executive Consulting, LLC	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
5	The Fantastic Labs	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	11-50	4 contacts →
	Exact match “Empower Your Business Potential with The Fantastic Labs!” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Hüther Consulting	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “About Huther Consulting: A Multidisciplinary Global Hub At Huther Consulting, we believe that complex international projects require more than just a single point of view.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Transparity Group	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “Who we are The Transparity Group is a team of trusted partners providing consulting services to individuals and small business in the areas of Career/Executive Coaching…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Velocityone Group	Exact match	Irvine, United StatesHQ recorded Oct 1, 2026	11-50	3 contacts →
	Exact match “VelocityOne Group is a global business consulting firm with offices in all major cities.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	PROXC	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	51-200	3 contacts →
	Exact match “PROXC is a key global player in management consulting and advisory services field.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	The Sales Advocate Group	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “Committed to helping businesses accelerate growth, enhance strategy, and build teams.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Digmee Partners	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	2 contacts →
	Exact match “DigMEE Partners is a boutique consulting firm that specializes in e-commerce strategy, platform and partner selections, execution and digital marketing.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Oberman Associates INC	Exact match	Irvine, United StatesHQ recorded Oct 1, 2026	11-50	1 contacts →
	Exact match “Strategy consulting, management and M&A advisory services to companies with critical business transition requirements.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Invenz, INC	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Invenz Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Amerigo Ventures	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Amerigo Ventures is a boutique advisory & consulting company offering Business, Financial, & Real Estate Advisory services based in Irvine, California, United States.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Alignmt	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “ALIGNMT LLC is a leading provider of business consulting, analysis and outsourcing services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Business In Motion	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Business in Motion (BIM) is a personalized consulting firm offering a range of quality advisory and support services to help businesses, entrepreneurs and investors set up their…” Recorded in the RevenueBase company graph · Oct 1, 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 “international business 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 16 of 48 international business consulting firms based in Irvine, United States

See the full list, filter by size, metro and specialty, and access 94 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International business consulting firms based in Irvine, United States at a glance

As of Oct 1, 2026

45.0%Verified-email coverage

4.4Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 48 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 “international business 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 94 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 October 1, 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.

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

How many international business consulting firms are there based in Irvine, United States?

RevenueBase identified 48 company matches for international business consulting firms associated with Irvine, United States as of October 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?

RJI Cpas 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 international business consulting firms?

New York leads the United States with 585 company records, followed by Miami (284) and Washington (253). Irvine has 48.

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 94 professional contacts with verified work emails tracked across these 48 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 October 1, 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.