L.A. Times B2B Publishing presents the 40 largest architecture firms ranked by Southern California architectural fee income for 2023.
Gensler is the largest firm in the region with fee income of $239 million in Southern California. The architectural giant has an office in Downtown Los Angeles along with a second regional office in Newport Beach. It has 136 licensed architects who work in Southern California and employs 600 people total in those offices. The firm works on all types of projects; notable ongoing ones include the Ranch Lot Studios in Burbank and the Los Angeles Chargers’ Headquarters and Training Facility in El Segundo.
AO, which is headquartered in the city of Orange, is second on the list with $102 million in fee income last year. The firm’s notable projects include The Row at Redhill, a mixed-use residential project that includes 80,000 square feet of retail space. Some firms such as AECOM and Arcadis perform other types of work, such as engineering services.
They were asked to separate work for architectural services only.
Overall, the 40 largest architectural firms in Southern California generated $1.33 billion in fee income last year. They employ more than 1,200 licensed architects in 64 local offices.
To view these lists online, visit latimes.com/b2b/CRE.
Gensler 1
gensler.com
Revenue
$239 million
Headquarters City
Los Angeles, CA
Year Established
1965
Top Local Executives
John Adams
Co-Regional Managing Principal
Elizabeth Brink
Co-Regional Managing Principal
AO 2
aoarchitects.com
Revenue
$102 million
Headquarters City
Orange, CA
Year Established
1974
Top Local Executives
RC Alley
Managing Partner
Rob Budetti
Managing Partner
HMC Architects 3
hmcarchitects.com
Revenue
$97.9 million
Headquarters City
Ontario, CA
Year Established
1940
Top Local Executive
Brian Staton
President & CEO
LPA Inc. 4
lpadesignstudios.com
Revenue
$54.4 million
Headquarters City
Irvine, CA
Year Established
1965
Top Local Executives
Wendy S. Rogers
Chief Executive Officer
Keith Hempel
President
CO Architects 5
coarchitects.com
Revenue
$51.1 million
Headquarters City
Los Angeles, CA
Year Established
1996
Top Local Executive
Jenna Knudsen
Managing Principal
KTGY 6
ktgy.com
Revenue
$46.8 million
Headquarters City
Irvine, CA
Year Established
1991
Top Local Executive
Tricia Esser
Chief Executive Officer
AC Martin Inc. 7
acmartin.com
Revenue
$46.7 million
Headquarters City
Los Angeles, CA
Year Established
1906
Top Local Executive
Tom Hsieh
President & CEO
DLR Group 8
dlrgroup.com
Revenue
$46.7 million
Headquarters City
Omaha, NE
Year Established
1966
Top Local Executives
Pamela Touschner
California Region Leader
Brian Arial
Global Mixed-Use Leader
HOK 9
hok.com
Revenue
$41.0 million
Headquarters City
St. Louis, MO
Year Established
1955
Top Local Executives
Anne Fletcher
Managing Principal
Adaeze Cadet
Design Principal
Corgan 10
corgan.com
Revenue
$40.1 million
Headquarters City
Dallas, TX
Year Established
1938
Top Local Executive
Brent Kelley
Managing Principal
ZGF 11
zgf.com
Revenue
$39.9 million
Headquarters City
Portland, OR
Year Established
1991
Top Local Executive
Mitra Memari
Managing Partner
AECOM Technical Services Inc. 12
aecom.com
Revenue
$37.3 million
Headquarters City
Los Angeles, CA
Year Established
1990
Top Local Executives
Charlene Dekker
VP, Director of Operations, Southern California
Donna Clandening
VP, Managing Principal
Cannon Design 13
cannondesign.com
Revenue
$36.0 million
Headquarters City
New York, NY
Year Established
1945
Top Local Executive
Hazim Rabadi
Los Angeles Office Leader
Skidmore, Owings & Merrill 14
som.com
Revenue
$34.2 million
Headquarters City
Chicago, IL
Year Established
1936
Top Local Executives
Olin McKenzie
Design Partner
Paul Danna
Design Partner
HDR 15
hdrinc.com
Revenue
$32.5 million
Headquarters City
Omaha, NE
Year Established
1917
Top Local Executive
Trip Grant
Managing Principal
RDC-S111 16
rdc-s111.com
Revenue
$29.3 million
Headquarters City
Long Beach, CA
Year Established
1979
Top Local Executive
Brad Williams
Chief Executive Officer
Marmol Radziner 17
marmol-radziner.com
Revenue
$29.1 million
Headquarters City
Los Angeles, CA
Year Established
1989
Top Local Executives
Leo Marmol
Managing Partner
Ron Radziner
Design Partner
HKS Architects Inc. 18
hksinc.com
Revenue
$27.9 million
Headquarters City
Dallas, TX
Year Established
1939
Top Local Executive
Scott Hunter
Regional Director
Ware Malcomb 19
waremalcomb.com
Revenue
$26.1 million
Headquarters City
Irvine, CA
Year Established
1972
Top Local Executives
Sergio Valentini
Southern
California
Regional
Principal
Alicia Zaro
Regional
Director
Perkins & Will 20
perkinswill.com
Revenue
$26.0 million
Headquarters City
Chicago, IL
Year Established
1935
Top Local Executives
Richard Marshall
Managing Director
David Sheldon
Marketing Director
Stantec 21
stantec.com
Revenue
$25.4 million
Headquarters City
Edmonton, Canada
Year Established
1954
Top Local Executives
Patrick M. McKelvey
Senior Principal
Scott Reed
Principal, Architecture
Hammel, Greenand Abrahamson Inc. 22
hga.com
Revenue
$21.4 million
Headquarters City
Minneapolis, MN
Year Established
1953
Top Local Executive
Jennifer Ries
VP, Planning Principal & Office Director
LEO A DALY 23
leoadaly.com
Revenue
$20.0 million
Headquarters City
Omaha, NE
Year Established
1915
Top Local Executive
Paul H. Coleman
VP, Managing Principal
JERDE 24
jerde.com
Revenue
$17.0 million
Headquarters City
Los Angeles, CA
Year Established
1977
Top Local Executive
Tammy McKerrow
Global Design Director
NAC 25
nacarchitecture.com
Revenue
$16.9 million
Headquarters City
Spokane, WA
Year Established
1960
Top Local Executives
Helena Jubany
Managing Principal
Michael Pinto
Design Director, Principal
NBBJ 26
nbbj.com
Revenue
$16.0 million
Headquarters City
Seattle, WA
Year Established
1943
Top Local Executive
Robert Mankin
Managing Partner
Taylor Design 27
wearetaylor.com
Revenue
$15.8 million
Headquarters City
Tustin, CA
Year Established
1979
Top Local Executive
Kevin Hinrichs
President
TCA Architects 28
tca-arch.com
Revenue
$15.4 million
Headquarters City
Irvine, CA
Year Established
1993
Top Local Executives
Aram Chahbazian
Chief Executive Officer
Irwin Yau
President
Johnson Fain 29
johnsonfain.com
Revenue
$13.0 million
Headquarters City
Los Angeles, CA
Year Established
1959
Top Local Executives
Scott Johnson
Co-President
William Fain Jr.
Co-President
Van Tilburg, Banvard & Soderbergh
vtbs.com
Revenue
$12.0 million
Headquarters City
Santa Monica, CA
Year Established
1994
Top Local Executives
Johannes Van Tilburg
Principal
Navy F. Banvard
Managing Principal
HED 31
hed.design
Revenue
$11.5 million
Headquarters City
Detroit, MI
Year Established
1908
Top Local Executives
Tania Van Herle
Co-CEO
Enrique Suarez
Co-CEO
Boulder Associates 32
boulderassociates.com
Revenue
$9.5 million
Headquarters City
Boulder, CO
Year Established
1983
Top Local Executives
Darci Hernandez
Principal
Diedre McGee
Principal
Arcadis 33
arcadis.com
Revenue
$9.2 million
Headquarters City
Amsterdam, Netherlands
Year Established
1888
Top Local Executive
Brian Cravens
Principal
Hendy 34
hhendy.com
Revenue
$9.1 million
Headquarters City
Newport Beach, CA
Year Established
1980
Top Local Executives
Carolina Weidler
Co-CEO & Managing Principal
Susan Dwyer
Co-CEO & Managing Principal
Abramson Architects 35
abramsonarchitects.com
Revenue
$8.0 million
Headquarters City
Los Angeles, CA
Year Established
1999
Top Local Executive
Trevor Abramson
Founding Partner
Nadel Architecture + Planning 36
nadelarc.com
Revenue
$6.4 million
Headquarters City
Los Angeles, CA
Year Established
1973
Top Local Executive
Greg Lyon
Chairman
HLW 37
hlw.design
Revenue
$5.4 million
Headquarters City
New York, NY
Year Established
1885
Top Local Executives
Sejal Sonani
Principal, Managing Director CA
Louise Sharp
Principal
Patrick TIGHE Architecture 38
tighearchitecture.com
Revenue
$3.5 million
Headquarters City
Los Angeles, CA
Year Established
2001
Top Local Executive
Patrick Tighe
Owner, Lead Designer
Omgivning 39
omgivning.com
Revenue
$3.3 million
Headquarters City
Los Angeles, CA
Year Established
2009
Top Local Executive
Karin Liljegren
Founder & Principal
AXIS/GFA Architecture + Design 40
axisgfa.com
Revenue
$2.8 million
Headquarters City
San Francisco, CA
Year Established
2001
Top Local Executives
Gene Fong
Founding Principal Architect
Kevin Sund
Principal
