 Business by LA Times Studios presents the 30 largest architecture firms ranked by Southern California architectural fee income for 2024. Firms have been active over the past year with mergers, expansions and executive promotions. Gensler is the largest firm in the region with fee income of $247.3 million in Southern California, up from $238.5 million in 2023. The architectural giant has offices in L.A. and Newport Beach, with 148 licensed architects. AO, which is headquartered in the city of Orange, is second on the list with $104.6 million in fee income. Overall, the largest architectural firms in Southern California generated $1.19 billion in fee income last year. They employ more than 910 licensed architects in 53 local offices. To view the list online, visit latimes.com/b2b. Gensler 1 gensler.com

AO 2 aoarchitects.com

HMC Architects 3 hmcarchitects.com

CO Architects 4
coarchitects.com

AECOM Technical Services Inc. 5
aecom.com

DLR Group 6
dlrgroup.com

HOK 7
hok.com

AC Martin 8
acmartin.com

RDC-S111 Inc. 9
rdc-s111.com

Skidmore, Owings & Merrill 10
som.com

Corgan 11
corgan.com

NBBJ 12
nbbj.com

HKS Architects, Inc. 13 hksinc.com

CannonDesign 14 cannondesign.com

Stantec 15
stantec.com

HDR 16
hdrinc.com

Hammel,Green and Abrahamson (HGA) 17 hga.com

NAC 18 nacarchitecture.com

Ware Malcomb 19 waremalcomb.com

KTGY 20
ktgy.com

Little Diversified Architectural Consulting 21 littleonline.com

ZGF Architects 22 zgf.com

PJHM Architects 23 pjhm.com

LEO A DALY 24 leoadaly.com

Marmol Radziner 25 marmol-radziner.com

HLW 26
hlw.com

Danielian Associates Architects + Planners 27 danielian.com

Hendy 28
hhendy.com

MG2 29
mg2.com

Frederick Fisher and Partners 30 fisherpartners.net

See also
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