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Hottest Companies’ Accountants

Who counts the money?

What accounting firms serve Orange County’s best-known companies?

Below is a Business Journal tally of select firms—the famous, the interesting, and even a little infamous—and the companies that count their beans culled

from past stories, SEC filings, and Business Journal research.

Ted Wilm, management partner at PricewaterhouseCoopers in Irvine, said a

company generating heat has growing revenue and employees, and, of

course, earnings before interest, tax, depreciation, and amortization.

“EBITDA is the [big one],” he said.

Public Cos.

Edwards Lifesciences Corp.

medical devices, OC’s largest public

firm at $40 billion

PwC

Chipotle Mexican Grill Inc.

largest restaurant chain and second-largest OC-based public company, $20.3 billion

EY

HCP Inc.

biggest REIT, $15.6 billion

Deloitte

Skyworks Solutions Inc.

largest chipmaker in OC, $13.1 billion

KPMG

Masimo Corp.

medical devices, $7.7 billion

Grant Thornton

First American Financial Corp.

largest title provider, $6.1 billion

PwC

Glaukos Corp.

medical devices, $2.8 billion

EY

Alteryx Inc.

top-valued software firm, $6.7 billion

Deloitte

Pacific Premier Bancorp Inc.

largest OC-based bank, $1.9 billion

Crowe

Boot Barn Holdings Inc.

largest retailer based here,

$959 million

Deloitte

Tilly’s Inc.

retailer, $236 million

BDO

KushCo Holdings Inc.

cannabis-related products,

$385 million

RBSM

Evolus Inc.

medical aesthetics, $361 million

BDO

Willdan Group Inc.

engineering and consulting,

$369 million

Crowe

Veritone Inc.

once valued near $1 billion,

now at $167 million

Grant Thornton

Lantronix Inc.

Internet of Things, $72 million

Squar Milner

ShiftPixy Inc.

went public 2017 at $6; now 48 cents,

$17 million, and a going concern

note from auditor

Marcum

Private Cos.

PIMCO

global bond giant, $1.8 trillion AUM

PwC

Ambry Genetics

lab testing; bought by Konica Minolta

for $1 billion in 2017

Squar Milner

SeneGence International

network marketing beauty firm;

value estimated at $1 billion

SingerLewak

Alorica

global customer service outsourcer;

100,000 employees, 14 countries,

$2.3 billion annual sales

PwC

Capital Group’s American Funds

mutual fund family

PwC

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Peter J. Brennan
Peter J. Brennan
With four decades of experience in journalism, Peter J. Brennan has built a career that spans diverse news topics and global coverage. From reporting on wars, narcotics trafficking, and natural disasters to analyzing business and financial markets, Peter’s work reflects a commitment to impactful storytelling. Peter’s association with the Orange County Business Journal began in 1997, where he worked until 2000 before moving to Bloomberg News. During his 15 years at Bloomberg, his reporting often influenced financial markets, with headlines and articles moving the market caps of major companies by hundreds of millions of dollars. In 2017, Peter returned to the Orange County Business Journal as Financial Editor, bringing his heavy business industry expertise. Over the years, he advanced to Executive Editor and, in 2024, was named Editor-in-Chief. Peter’s work has been featured in prestigious publications such as The New York Times and The Washington Post, and he has appeared on CNN, CBC, BBC, and Bloomberg TV. A Kiplinger Fellowship recipient at The Ohio State University, he leads the Business Journal with a dedication to uncovering stories that matter and shaping the local business community and beyond.
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