Company lists · Data refreshed October 2026

Top 17 Accounting firms for international nonprofits based in Irvine, United States

RevenueBase identified 25 company matches for accounting firms for international nonprofits associated with Irvine, United States as of October 2026 and tracks 662 professional contacts across them, including 373 with verified work emails. Across the United States, New York is the largest hub for this category (169 companies); Irvine has 25.

This list covers company matches for accounting firms for international nonprofits 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
25Companies
662Contacts tracked
373Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 17 largest accounting firms for international nonprofits based in Irvine, United States

Ranked by team size
Top 17 of 25 company matches for accounting firms for international nonprofits 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202651-200178 contacts →

Exact match

“LSL provides solid guidance, support & solutions to businesses, governments and non-profits.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202651-200133 contacts →

Exact match

“Haskell & White LLP is one of the largest independently owned accounting, auditing and tax consulting firms in Southern California, specializing in servicing public and private…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5070 contacts →

Exact match

“Omega Accounting Solutions is a financial and tax advisory based in Irvine, California that empowers small and medium-sized businesses (SMBs) to make better-informed decisions.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202651-20059 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
5Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202651-20057 contacts →

Exact match

“Davis Farr is a full-service CPA firm specializing in governmental and nonprofit auditing, with offices in Irvine, Carlsbad, and Tacoma.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-1023 contacts →

Exact match

“We are no ordinary accounting firm.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202651-20021 contacts →

Exact match

“White Nelson Diehl Evans LLP is a full-service accounting firm that prides itself on delivering personal service while supporting your most demanding global needs.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5020 contacts →

Exact match

“KMJ provides accounting, auditing, tax and consulting services to public and private companies in the small to middle markets.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5015 contacts →

Exact match

“Finch is your one stop shop for all things accounting and finance.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5014 contacts →

Exact match

“AFPS LLP is an independently owned tax, accounting, and auditing consulting firm located in Irvine, California and is recognized throughout Orange County as a leading authority in…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-5011 contacts →

Exact match

“Reiwa Accounting LLP is a company based out of 18200 Von Karman Ave #790, Irvine, California, United States.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-509 contacts →

Exact match

“Founded in 2001 Gonzalez CPA is a fully certified public accounting firm which has been practicing accounting, tax strategies, and management consulting for 15 years.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-507 contacts →

Exact match

“NI TAX & ACCOUNTING is a full service accounting firm serving the Orange County at Southern California.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-106 contacts →

Exact match

“KDM is a certified public accounting firm based in Orange County, CA.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-505 contacts →

Exact match

“Harris Greene LLP is an accounting company based out of United States.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 20261-103 contacts →

Exact match

“The Cashflow Doctor supports a network of nonprofits and orphanages through the accounting and tax consulting work we do for high growth entrepreneurs.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchIrvine, CA, United StatesHQ recorded Oct 1, 202611-502 contacts →

Exact match

“HBLA CPAs is an accounting firm dedicated to “making your business more valuable.” This is accomplished by developing close working relationships with business owners and…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 17 of 25 accounting firms for international nonprofits based in Irvine, United States

See the full list, filter by size, metro and specialty, and access 373 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Accounting firms for international nonprofits based in Irvine, United States at a glance

As of Oct 1, 2026
56.3%Verified-email coverage
26.5Average contacts per company
11-50Median size (employees)
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
9
11-50
11
51-200
5

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 25 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 “accounting firms for international nonprofits” 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 373 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.

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 “accounting firms for international nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting firms for international nonprofits are there based in Irvine, United States?

RevenueBase identified 25 company matches for accounting firms for international nonprofits 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?

Lsl, LLP 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 accounting firms for international nonprofits?

New York leads the United States with 169 company records, followed by Houston (75) and Miami (67). Irvine has 25.

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 373 professional contacts with verified work emails tracked across these 25 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.

Ready to reach these companies? Verified emails and direct dials for all 25 accounting firms for international nonprofits based in Irvine, United States. Start with a free account, no credit card.

Download this list →

Related lists

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.