Company lists · Data refreshed September 2026
Top 25 Tax advisory firms based in Irvine, United States
RevenueBase identified 54 company matches for tax advisory firms associated with Irvine, United States as of September 2026 and tracks 907 professional contacts across them, including 369 with verified work emails. Across the United States, New York is the largest hub for this category (257 companies); Irvine has 54.
This list covers company matches for tax advisory 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 22, 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.
The 25 largest tax advisory firms based in Irvine, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 133 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 · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 84 contacts → | ||||
Exact match “Squar Milner is one of the nation’s 40 largest accounting firms as well as one of the largest independent accounting and advisory firms in California.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 70 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 · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 59 contacts → | ||||
Exact match “RJI CPAs is a full-service accounting and consulting firm based in Irvine, California.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 57 contacts → | ||||
Exact match “Wertz & Company is recognized in the business community for its unique and innovative method of delivering professional services to its clientele.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 56 contacts → | ||||
Exact match “KBF is a fast-growing CPA firm that offers a comprehensive range of tax, assurance and advisory services.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 43 contacts → | ||||
Exact match “At Clear Start Tax Relief, our mission is to provide comprehensive and compassionate tax resolution services to individuals and businesses nationwide.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 41 contacts → | ||||
Exact match “At Tehrani & Velez, we understand it takes commitment and dedication to make a positive difference in our clients' businesses.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 37 contacts → | ||||
Exact match “Make sure you get every dollar back from the government.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 23 contacts → | ||||
Exact match “We are no ordinary accounting firm.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “Tax Resolution Plus has been providing clients with Tax Settlement, Audit representation, and accounting services throughout the nation.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 14 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 · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “Abregov Parrino, LLP is a full-service Certified Public Accounting and Business Advisory firm that specializes in helping individuals and privately held businesses by providing…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “At Areté Advisors, we believe every client deserves expert financial guidance, not just at tax time, but throughout every stage of their business and personal financial journey.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “PlushStone Advisory is a relationship focused CPA firm helping clients with bookkeeping, strategic tax planning, and financial advisory services to help businesses make educated…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “Honest Tax Solutions is a reputable Tax and Accounting Firm located in Southern California.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Harmon Street Advisors is where great decisions begin.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “At O'Connor & Yu LLP, we pride ourselves on our dedication to the success and long term growth of our individual and business clients.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Rickmeyer & Associates has over 50 years of combined experience at the "Big 4" accounting firms.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 2 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 · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Helping taxpayers and small business owners with accounting, income taxes, tax planning, business and tax advisory services” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “All accountants are not created equal.” Recorded in the RevenueBase company graph · Sep 22, 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 “tax advisory 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 54 tax advisory firms based in Irvine, United States
See the full list, filter by size, metro and specialty, and access 369 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tax advisory firms based in Irvine, United States at a glance
As of Sep 22, 2026Companies by employee count
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 54 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 “tax advisory 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 369 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 22, 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.
Tax advisory firms by metro in the United States
- Tax advisory firms in New York257
- Tax advisory firms in Houston194
- Tax advisory firms in Miami123
- Tax advisory firms in Los Angeles119
- Tax advisory firms in Chicago105
- Tax advisory firms in Dallas103
- Tax advisory firms in Atlanta100
- Tax advisory firms in San Diego99
- Tax advisory firms in Austin80
- Tax advisory firms in Orlando76
- Tax advisory firms in San Francisco72
- Tax advisory firms in Charlotte60
- Tax advisory firms in Tampa59
- Tax advisory firms in Las Vegas56
- Tax advisory firms in San Jose49
- Tax advisory firms in Denver46
- Tax advisory firms in Phoenix45
- Tax advisory firms in Seattle45
- Tax advisory firms in San Antonio42
- Tax advisory firms in Washington38
- Tax advisory firms in Boca Raton36
- Tax advisory firms in Portland35
- Tax advisory firms in Columbus34
- Tax advisory firms in Plano34
- Tax advisory firms in Boston32
- Tax advisory firms in Scottsdale32
- Tax advisory firms in Cincinnati30
- Tax advisory firms in Indianapolis30
- Tax advisory firms in Jacksonville30
- Tax advisory firms in Sacramento30
- Tax advisory firms in Salt Lake City30
- Tax advisory firms in Wilmington30
- Tax advisory firms in Fort Worth29
- Tax advisory firms in Glendale29
- Tax advisory firms in Philadelphia29
- Tax advisory firms in Raleigh28
- Tax advisory firms in Columbia26
- Tax advisory firms in Coral Gables26
- Tax advisory firms in Fort Lauderdale25
- Tax advisory firms in Tucson25
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 “tax advisory firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tax advisory firms are there based in Irvine, United States?
RevenueBase identified 54 company matches for tax advisory 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?
Haskell & White 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 tax advisory firms?
New York leads the United States with 257 company records, followed by Houston (194) and Miami (123). Irvine has 54.
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 369 professional contacts with verified work emails tracked across these 54 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 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 54 tax advisory firms based in Irvine, United States. Start with a free account, no credit card.
Download this list →Related lists
Tax advisory firms by geography
- Tax advisory firms based in Brisbane, Australia
- Tax advisory firms based in Melbourne, Australia
- Tax advisory firms based in Perth, Australia
- Tax advisory firms based in Sydney, Australia
- Tax advisory firms based in Graz, Austria
- Tax advisory firms based in Innsbruck, Austria
- Tax advisory firms based in Vienna, Austria
- Tax advisory firms based in Barueri, Brazil
- Tax advisory firms based in Belo Horizonte, Brazil
- Tax advisory firms based in Campinas, Brazil
- Tax advisory firms based in Curitiba, Brazil
- Tax advisory firms based in Londrina, Brazil
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.
More company lists
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- Tax advisory firms based in Brisbane, Australia
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Company intelligence · public preview
Top 25 tax advisory firms based in Irvine, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 54 matching company records for tax advisory firms based in Irvine, United States, with 907 tracked contacts and 369 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tax advisory firms based in Irvine, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Haskell & White LLPhwcpa.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 133 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Squar Milnersquarmilner.comHQ: Irvine, CA, United StatesReported employees: 501-1,000 | Irvine, CA, United States | 501-1,000 | Exact match | 84 contacts → |
“Squar Milner is one of the nation’s 40 largest accounting firms as well as one of the largest independent accounting and advisory firms in California.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Omega Accounting Solutionsomega-accounting.comHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 70 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  RJI Cpasrjicpas.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 59 contacts → |
“RJI CPAs is a full-service accounting and consulting firm based in Irvine, California.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Wertz & Company, LLPwertzco.comHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 57 contacts → |
“Wertz & Company is recognized in the business community for its unique and innovative method of delivering professional services to its clientele.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  KBF Cpaskbfcpa.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 56 contacts → |
“KBF is a fast-growing CPA firm that offers a comprehensive range of tax, assurance and advisory services.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Clear Start TAXclearstarttax.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 43 contacts → |
“At Clear Start Tax Relief, our mission is to provide comprehensive and compassionate tax resolution services to individuals and businesses nationwide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Tehrani & Velez, LLPtandvllp.comHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 41 contacts → |
“At Tehrani & Velez, we understand it takes commitment and dedication to make a positive difference in our clients' businesses.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Guardian TAXguardiantax.comHQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 37 contacts → |
“Make sure you get every dollar back from the government.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Bharmal & Associates, INCbharmalcpas.comHQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 23 contacts → |
“We are no ordinary accounting firm.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  TAX Resolution Plustaxresolutionplus.comHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 15 contacts → |
“Tax Resolution Plus has been providing clients with Tax Settlement, Audit representation, and accounting services throughout the nation.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Afps LLPafpscpa.comHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 14 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Maxwell & Company Cpa's, INCmaxwellcompany.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Abregov Parrino, LLPabregovparrino.comHQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 10 contacts → |
“Abregov Parrino, LLP is a full-service Certified Public Accounting and Business Advisory firm that specializes in helping individuals and privately held businesses by providing…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Areté Advisorsaretecpa.comHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 9 contacts → |
“At Areté Advisors, we believe every client deserves expert financial guidance, not just at tax time, but throughout every stage of their business and personal financial journey.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Plushstone Advisory, TAX & Accountancyplushstonecpa.comHQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 7 contacts → |
“PlushStone Advisory is a relationship focused CPA firm helping clients with bookkeeping, strategic tax planning, and financial advisory services to help businesses make educated…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Honest TAX Solutionshonesttaxsolutions.comHQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 7 contacts → |
“Honest Tax Solutions is a reputable Tax and Accounting Firm located in Southern California.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Harmon Street Advisorsharmonstreet.comHQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 5 contacts → |
“Harmon Street Advisors is where great decisions begin.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  O'connor & YU LLPoycpa.comHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 3 contacts → |
“At O'Connor & Yu LLP, we pride ourselves on our dedication to the success and long term growth of our individual and business clients.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Bourque & Mclucas Cpas, INCbourquemclucas.comHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Rickmeyer & Associates, INCrickmeyerassociates.comHQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 3 contacts → |
“Rickmeyer & Associates has over 50 years of combined experience at the "Big 4" accounting firms.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Bentson, Vuona & Westersten, LLPbvwcpas.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 2 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  RDN USArdn-usa.comHQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 2 contacts → |
“Helping taxpayers and small business owners with accounting, income taxes, tax planning, business and tax advisory services” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  C. More Profit Corporationcmoreprofit.comHQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 2 contacts → |
“All accountants are not created equal.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 54 company matches
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Tax advisory firms: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
54 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 54 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Tax advisory firms by metro in the United States
- Tax advisory firms in New York257
- Tax advisory firms in Houston194
- Tax advisory firms in Miami123
- Tax advisory firms in Los Angeles119
- Tax advisory firms in Chicago105
- Tax advisory firms in Dallas103
- Tax advisory firms in Atlanta100
- Tax advisory firms in San Diego99
- Tax advisory firms in Austin80
- Tax advisory firms in Orlando76
- Tax advisory firms in San Francisco72
- Tax advisory firms in Charlotte60
- Tax advisory firms in Tampa59
- Tax advisory firms in Las Vegas56
- Tax advisory firms in San Jose49
- Tax advisory firms in Denver46
- Tax advisory firms in Phoenix45
- Tax advisory firms in Seattle45
- Tax advisory firms in San Antonio42
- Tax advisory firms in Washington38
- Tax advisory firms in Boca Raton36
- Tax advisory firms in Portland35
- Tax advisory firms in Columbus34
- Tax advisory firms in Plano34
- Tax advisory firms in Boston32
- Tax advisory firms in Scottsdale32
- Tax advisory firms in Cincinnati30
- Tax advisory firms in Indianapolis30
- Tax advisory firms in Jacksonville30
- Tax advisory firms in Sacramento30
- Tax advisory firms in Salt Lake City30
- Tax advisory firms in Wilmington30
- Tax advisory firms in Fort Worth29
- Tax advisory firms in Glendale29
- Tax advisory firms in Philadelphia29
- Tax advisory firms in Raleigh28
- Tax advisory firms in Columbia26
- Tax advisory firms in Coral Gables26
- Tax advisory firms in Fort Lauderdale25
- Tax advisory firms in Tucson25
Questions about this company list
What does Exact match mean for tax advisory firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tax advisory firms did RevenueBase find based in Irvine, United States?
The saved snapshot records 54 matching company records, 907 tracked contacts and 369 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Tax advisory firms by geography
- Tax advisory firms based in Brisbane, Australia
- Tax advisory firms based in Melbourne, Australia
- Tax advisory firms based in Perth, Australia
- Tax advisory firms based in Sydney, Australia
- Tax advisory firms based in Graz, Austria
- Tax advisory firms based in Innsbruck, Austria
- Tax advisory firms based in Vienna, Austria
- Tax advisory firms based in Barueri, Brazil
- Tax advisory firms based in Belo Horizonte, Brazil
- Tax advisory firms based in Campinas, Brazil
- Tax advisory firms based in Curitiba, Brazil
- Tax advisory firms based in Londrina, Brazil
Cite this list
RevenueBase Data Team. Top 25 tax advisory firms based in Irvine, United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/tax-advisory-firms/united-states/irvine.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- New lists
- Tax advisory firms based in Brisbane, Australia
- Tax advisory firms based in Melbourne, Australia
- Tax advisory firms based in Perth, Australia
- Tax advisory firms based in Sydney, Australia
- Tax advisory firms based in Graz, Austria
- Tax advisory firms based in Innsbruck, Austria
Company intelligence · public preview
Top 25 tax advisory firms based in Irvine, United States
RevenueBase records 54 matching company records for tax advisory firms based in Irvine, United States, with 907 tracked contacts and 369 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 tax advisory firms based in Irvine, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Haskell & White LLPhwcpa.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 133 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Squar Milnersquarmilner.com HQ: Irvine, CA, United StatesReported employees: 501-1,000 | Irvine, CA, United States | 501-1,000 | Exact match | 84 contacts → |
“Squar Milner is one of the nation’s 40 largest accounting firms as well as one of the largest independent accounting and advisory firms in California.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Omega Accounting Solutionsomega-accounting.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 70 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | RJI Cpasrjicpas.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 59 contacts → |
“RJI CPAs is a full-service accounting and consulting firm based in Irvine, California.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Wertz & Company, LLPwertzco.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 57 contacts → |
“Wertz & Company is recognized in the business community for its unique and innovative method of delivering professional services to its clientele.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | KBF Cpaskbfcpa.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 56 contacts → |
“KBF is a fast-growing CPA firm that offers a comprehensive range of tax, assurance and advisory services.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Clear Start TAXclearstarttax.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 43 contacts → |
“At Clear Start Tax Relief, our mission is to provide comprehensive and compassionate tax resolution services to individuals and businesses nationwide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tehrani & Velez, LLPtandvllp.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 41 contacts → |
“At Tehrani & Velez, we understand it takes commitment and dedication to make a positive difference in our clients' businesses.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Guardian TAXguardiantax.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 37 contacts → |
“Make sure you get every dollar back from the government.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Bharmal & Associates, INCbharmalcpas.com HQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 23 contacts → |
“We are no ordinary accounting firm.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | TAX Resolution Plustaxresolutionplus.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 15 contacts → |
“Tax Resolution Plus has been providing clients with Tax Settlement, Audit representation, and accounting services throughout the nation.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Afps LLPafpscpa.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 14 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Maxwell & Company Cpa's, INCmaxwellcompany.com HQ: Irvine, CA, United StatesReported employees: 51-200 | Irvine, CA, United States | 51-200 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Abregov Parrino, LLPabregovparrino.com HQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 10 contacts → |
“Abregov Parrino, LLP is a full-service Certified Public Accounting and Business Advisory firm that specializes in helping individuals and privately held businesses by providing…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Areté Advisorsaretecpa.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 9 contacts → |
“At Areté Advisors, we believe every client deserves expert financial guidance, not just at tax time, but throughout every stage of their business and personal financial journey.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Plushstone Advisory, TAX & Accountancyplushstonecpa.com HQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 7 contacts → |
“PlushStone Advisory is a relationship focused CPA firm helping clients with bookkeeping, strategic tax planning, and financial advisory services to help businesses make educated…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Honest TAX Solutionshonesttaxsolutions.com HQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 7 contacts → |
“Honest Tax Solutions is a reputable Tax and Accounting Firm located in Southern California.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Harmon Street Advisorsharmonstreet.com HQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 5 contacts → |
“Harmon Street Advisors is where great decisions begin.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | O'connor & YU LLPoycpa.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 3 contacts → |
“At O'Connor & Yu LLP, we pride ourselves on our dedication to the success and long term growth of our individual and business clients.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bourque & Mclucas Cpas, INCbourquemclucas.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Rickmeyer & Associates, INCrickmeyerassociates.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 3 contacts → |
“Rickmeyer & Associates has over 50 years of combined experience at the "Big 4" accounting firms.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Bentson, Vuona & Westersten, LLPbvwcpas.com HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | HQ: Irvine, CA, United StatesReported employees: 11-50 | Irvine, CA, United States | 11-50 | Exact match | 2 contacts → |
“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 description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | RDN USArdn-usa.com HQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 2 contacts → |
“Helping taxpayers and small business owners with accounting, income taxes, tax planning, business and tax advisory services” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | C. More Profit Corporationcmoreprofit.com HQ: Irvine, CA, United StatesReported employees: 1-10 | Irvine, CA, United States | 1-10 | Exact match | 2 contacts → |
“All accountants are not created equal.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 54 company matches
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Tax advisory firms: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
54 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 54 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Tax advisory firms by metro in the United States
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Questions about this company list
What does Exact match mean for tax advisory firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many tax advisory firms did RevenueBase find based in Irvine, United States?
The saved snapshot records 54 matching company records, 907 tracked contacts and 369 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Tax advisory firms by geography
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Cite this list
RevenueBase Data Team. Top 25 tax advisory firms based in Irvine, United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/tax-advisory-firms/united-states/irvine.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Tax advisory firms based in Brisbane, Australia
- Tax advisory firms based in Melbourne, Australia
- Tax advisory firms based in Perth, Australia
- Tax advisory firms based in Sydney, Australia
- Tax advisory firms based in Graz, Austria
- Tax advisory firms based in Innsbruck, Austria