Top 100 Office Architecture Firms

TOP 100 OFFICE ARCHITECTURE FIRMS
Rank	Firm	2015 Revenue
1	Gensler	$593,420,000
2	HOK	$138,657,000
3	Perkins+Will	$118,380,000
4	Stantec	$94,328,923
5	Skidmore, Owings & Merrill	$75,673,007
6	Nelson Worldwide Holdings	$66,167,382
7	ZGF Architects	$58,827,045
8	CallisonRTKL	$54,320,000
9	HGA	$50,310,000
10	SmithGroupJJR	$47,013,000
11	Page	$46,560,000
12	NBBJ	$37,000,000
13	Corgan	$36,850,000
14	HKS	$36,602,100
15	Ted Moudis Associates	$34,500,000
16	EYP	$32,944,464
17	NORR	$31,842,067
18	Studios Architecture	$29,086,637
19	Ware Malcomb	$26,464,681
20	TPG Architecture	$26,460,000
21	RSP Architects	$23,522,000
22	CannonDesign	$23,000,000
23	Perkins Eastman	$19,987,500
24	LPA	$19,696,675
25	Vocon	$19,220,706
26	Goettsch Partners	$18,100,000
27	DLR Group	$17,500,000
28	HDR	$16,684,400
29	Cuningham Group Architecture	$16,157,535
30	VOA Associates	$15,576,183
31	Environetics	$15,421,510
32	Kirksey Architecture	$15,097,035
33	Adrian Smith + Gordon Gill Architecture	$14,805,193
34	RNL Design	$14,330,600
35	Little	$14,327,700
36	Leo A Daly	$14,152,883
37	Heery International	$13,996,261
38	Cooper Carry	$12,867,157
39	CTA Architects Engineers	$11,500,029
40	Wright Heerema Architects	$11,500,000
41	tvsdesign	$11,270,000
42	Gresham, Smith and Partners	$11,211,000
43	Robert A.M. Stern Architects	$10,800,000
44	LS3P	$10,672,369
45	Ballinger	$9,517,483
46	Margulies Perruzzi Architects	$9,201,104
47	SMMA \| Symmes Maini & McKee Associates	$8,526,130
48	Architects Hawaii Ltd.	$7,837,000
49	Francis Cauffman	$7,528,986
50	Harley Ellis Devereaux	$7,400,000
51	Eppstein Uhen Architects	$7,257,972
52	STG Design	$6,840,000
53	GFF	$6,625,934
54	Rule Joy Trammell + Rubio	$5,843,319
55	OZ Architecture	$5,760,726
56	Solomon Cordwell Buenz	$5,649,472
57	Albert Kahn Associates	$5,600,000
58	S/L/A/M Collaborative, The	$5,315,000
59	WDG	$5,051,000
60	Mithun	$4,728,000
61	Beyer Blinder Belle Architects & Planners	$4,643,709
62	Rosser International	$4,614,402
63	Hoffmann Architects	$4,553,399
64	Guernsey	$4,499,566
65	Westlake Reed Leskosky	$4,351,537
66	Smallwood, Reynolds, Stewart, Stewart & Associates	$4,252,129
67	Diamond Schmitt Architects	$4,214,000
68	Epstein	$4,140,300
69	Goodwyn, Mills and Cawood	$3,934,284
70	Alliiance	$3,780,000
71	JLG Architects	$3,727,826
72	Clark Nexsen	$3,653,370
73	Beck Group, The	$3,537,225
74	Montroy Andersen DeMarco	$3,500,000
75	HNTB Corporation	$3,338,066
76	Baskervill	$3,074,671
77	DGA	$3,034,128
78	Davis Brody Bond	$2,976,036
79	Inventure Design Group	$2,955,263
80	FXFOWLE	$2,803,424
81	RS&H	$2,700,000
82	EwingCole	$2,682,000
83	Rottet Studio	$2,650,000
84	BWBR	$2,606,237
85	Moody Nolan	$2,500,000
86	Bergmann Associates	$2,193,708
87	ai Design Group	$2,145,881
88	Parkhill, Smith & Cooper	$2,073,407
89	Emersion Design	$1,941,234
90	LMN Architects	$1,801,000
91	JRS Architect	$1,800,000
92	Zyscovich Architects	$1,723,347
93	Lawrence Group	$1,637,000
94	GBBN Architects	$1,600,000
95	DLA+ Architecture & Interior Design	$1,523,754
96	TEG Architects	$1,367,159
97	MG2	$1,262,898
98	Carrier Johnson + Culture	$1,222,436
99	Large Architecture	$1,153,081
100	BKSK Architects	$1,103,904
101	Hnedak Bobo Group	$1,095,629

RETURN TO THE GIANTS 300 LANDING PAGE

Investigators from the National Institute of Standards and Technology (NIST) say they have found no evidence of underground voids on the site of the Champlain Towers South collapse, according to a new NIST report. The team of investigators have studied the site’s subsurface conditions to determine if sinkholes or excessive settling of the pile foundations might have caused the collapse.

Office Buildings | Sep 14, 2023

New York office revamp by Kohn Pedersen Fox features new façade raising occupant comfort, reducing energy use

The modernization of a mid-century Midtown Manhattan office tower features a new façade intended to improve occupant comfort and reduce energy consumption. The building, at 666 Fifth Avenue, was originally designed by Carson & Lundin. First opened in November 1957 when it was considered cutting-edge, the original façade of the 500-foot-tall modernist skyscraper was highly inefficient by today’s energy efficiency standards.

The Tampa General Health Behavioral Health Hospital, JE Dunn, Stengel Hill Architecture

Healthcare Facilities | Sep 13, 2023

Florida’s first freestanding academic medical behavioral health hospital breaks ground in Tampa Bay

Construction kicked off recently on TGH Behavioral Health Hospital, Florida’s first freestanding academic medical behavioral health hospital. The joint venture partnership between Tampa General (a 1,040-bed facility) and Lifepoint Behavioral Health will provide a full range of inpatient and outpatient care in specialized units for pediatrics, adolescents, adults, and geriatrics, and fills a glaring medical need in the area.

Adaptive Reuse | Sep 13, 2023

Houston's first innovation district is established using adaptive reuse

Gensler's Vince Flickinger shares the firm's adaptive reuse of a Houston, Texas, department store-turned innovation hub.

Giants 400 | Sep 12, 2023

Top 75 Retail Sector Engineering and Engineering Architecture (EA) Firms for 2023

Kimley-Horn, Henderson Engineers, Jacobs, and EXP head BD+C's ranking of the nation's largest retail building engineering and engineering/architecture (EA) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking factors revenue for all retail buildings work, including big box stores, cineplexes, entertainment centers, malls, restaurants, strip centers, and theme parks.

Giants 400 | Sep 11, 2023

Top 140 Retail Sector Architecture and Architecture Engineering (AE) Firms for 2023

Gensler, Arcadis, Core States Group, WD Partners, and NORR top BD+C's ranking of the nation's largest retail sector architecture and architecture engineering (AE) firms for 2023, as reported in the 2023 Giants 400 Report. Note: This ranking factors revenue for all retail buildings work, including big box stores, cineplexes, entertainment centers, malls, restaurants, strip centers, and theme parks.

Resiliency | Sep 11, 2023

FEMA names first communities for targeted assistance on hazards resilience

FEMA recently unveiled the initial designation of 483 census tracts that will be eligible for increased federal support to boost resilience to natural hazards and extreme weather. The action was the result of bipartisan legislation, the Community Disaster Resilience Zones Act of 2022. The law aims to help localities most at risk from the impacts of climate change to build resilience to natural hazards.

MFPRO+ Research | Sep 11, 2023

Conversions of multifamily dwellings to ‘mansions’ leading to dwindling affordable stock

Small multifamily homes have historically provided inexpensive housing for renters and buyers, but developers have converted many of them in recent decades into larger, single-family units. This has worsened the affordable housing crisis, say researchers.