Gensler, Stantec, HOK, and Interior Architects top BD+C's ranking of the nation's largest office building sector architecture and architecture/engineering (AE) firms for 2023, as reported in Building Design+Construction's 2023 Giants 400 Report. Note: This ranking includes revenue for all office building work, including core and shell projects and workplace/interior fitouts.
| Top 200 Office Building Architecture Firms for 2023 | ||
| FIRM | 2022 REVENUE | |
| 1 | Gensler | $844,324,156 |
| 2 | Stantec | $162,348,416 |
| 3 | HOK | $159,864,539 |
| 4 | Interior Architects | $139,060,869 |
| 5 | Perkins&Will | $124,884,730 |
| 6 | Page Southerland Page | $123,151,860 |
| 7 | Skidmore, Owings & Merrill | $105,771,000 |
| 8 | NBBJ | $73,000,000 |
| 9 | HKS | $64,000,000 |
| 10 | SmithGroup | $55,162,040 |
| 11 | DLR Group | $54,392,000 |
| 12 | NORR | $49,008,190 |
| 13 | Corgan | $48,885,633 |
| 14 | ZGF | $48,456,412 |
| 15 | Arcadis North America | $48,103,154 |
| 16 | SGA | $44,633,683 |
| 17 | Michael Baker Intl. | $44,304,956 |
| 18 | TPG Architecture | $41,937,000 |
| 19 | Kohn Pedersen Fox | $41,767,397 |
| 20 | Ware Malcomb | $36,813,072 |
| 21 | HGA | $34,486,519 |
| 22 | Ted Moudis Associates | $34,000,000 |
| 23 | LEO A DALY | $33,789,828 |
| 24 | Perkins Eastman | $31,011,905 |
| 25 | LPA | $28,833,429 |
| 26 | Nelson Worldwide | $27,500,000 |
| 27 | Vocon | $25,973,752 |
| 28 | LS3P Associates | $22,210,707 |
| 29 | Little Diversified Architectural Consulting | $20,452,400 |
| 30 | CannonDesign | $20,000,000 |
| 31 | BHDP Architecture | $19,905,464 |
| 32 | Cushing Terrell | $19,433,809 |
| 33 | RSP Architects | $19,060,000 |
| 34 | Goettsch Partners | $18,850,000 |
| 35 | HDR | $18,483,942 |
| 36 | Huntsman Architectural Group | $16,821,986 |
| 37 | EUA | $14,675,000 |
| 38 | Kirksey Architecture | $14,462,480 |
| 39 | RS&H | $14,100,000 |
| 40 | Gresham Smith | $14,067,307 |
| 41 | Elkus Manfredi Architects | $12,854,672 |
| 42 | Fogarty Finger | $11,770,000 |
| 43 | LMN Architects | $11,388,000 |
| 44 | RATIO Design | $11,094,094 |
| 45 | Quinn Evans | $10,517,076 |
| 46 | Goodwyn Mills Cawood | $10,429,605 |
| 47 | Cuningham | $9,775,780 |
| 48 | Cooper Carry | $9,211,569 |
| 49 | Margulies Perruzzi | $9,178,787 |
| 50 | KGD Architecture | $9,026,848 |
| 51 | TSK Architects | $8,486,200 |
| 52 | Moody Nolan | $8,041,674 |
| 53 | FXCollaborative | $7,909,110 |
| 54 | TreanorHL | $7,659,216 |
| 55 | TVS | $7,472,171 |
| 56 | Solomon Cordwell Buenz (SCB) | $7,341,521 |
| 57 | Ballinger | $7,128,792 |
| 58 | Sasaki | $7,068,459 |
| 59 | Dyer Brown & Associates | $6,961,772 |
| 60 | FSB Architects + Engineers | $6,856,871 |
| 61 | Rule Joy Trammell Rubio | $6,524,000 |
| 62 | HuntonBrady Architects | $6,300,641 |
| 63 | Hendy | $6,152,233 |
| 64 | Marmon Mok | $6,108,631 |
| 65 | Flad Architects | $5,980,000 |
| 66 | Baskervill | $5,915,832 |
| 67 | Kahler Slater | $5,900,000 |
| 68 | Smallwood | $5,613,717 |
| 69 | McMillan Pazdan Smith | $5,539,800 |
| 70 | HED | $5,408,000 |
| 71 | H2M Architects + Engineers | $4,962,206 |
| 72 | BWBR | $4,580,513 |
| 73 | Ayers Saint Gross | $4,361,916 |
| 74 | FCArchitects | $4,301,795 |
| 75 | Montroy DeMarco Architecture | $4,130,000 |
| 76 | RDG Planning & Design | $4,014,844 |
| 77 | Cromwell Architects Engineers | $3,896,465 |
| 78 | GFF | $3,775,212 |
| 79 | FitzGerald | $3,700,000 |
| 80 | REES | $3,541,000 |
| 81 | Champlin Architecture | $3,464,008 |
| 82 | Clark & Enersen | $3,436,482 |
| 83 | AHL | $3,432,312 |
| 84 | Handel Architects | $3,294,708 |
| 85 | Barge Design Solutions | $3,193,164 |
| 86 | Ryan Companies US | $3,181,000 |
| 87 | Alliiance | $3,161,401 |
| 88 | PGAL | $3,102,000 |
| 89 | Design Collaborative | $3,084,218 |
| 90 | JLL | $2,987,988 |
| 91 | Mithun | $2,982,780 |
| 92 | Diamond Schmitt Architects | $2,915,897 |
| 93 | Weber Thompson | $2,848,878 |
| 94 | NAC Architecture | $2,830,441 |
| 95 | G70 | $2,825,627 |
| 96 | AE Works | $2,825,000 |
| 97 | Hanbury | $2,707,296 |
| 98 | SMMA | $2,666,561 |
| 99 | Tighe & Bond | $2,666,313 |
| 100 | Rossetti | $2,574,341 |
| 101 | Bergmeyer | $2,512,212 |
| 102 | Hafer | $2,466,725 |
| 103 | GPD Group | $2,300,000 |
| 104 | Schmidt Associates | $2,228,000 |
| 105 | Core States Group | $2,199,143 |
| 106 | Miller Dunwiddie | $2,184,720 |
| 107 | Luminaut | $2,182,000 |
| 108 | Architecture, Inc. | $2,161,400 |
| 109 | Davis Brody Bond | $2,121,630 |
| 110 | Hoefer Welker | $2,000,000 |
| 111 | MA Design | $1,943,429 |
| 112 | JRS Architect | $1,900,000 |
| 113 | Spiezle Architectural Group | $1,885,000 |
| 114 | CSO | $1,856,796 |
| 115 | Carrier Johnson + Culture | $1,808,085 |
| 116 | Garmann Miller | $1,679,415 |
| 117 | LaBella Associates | $1,600,000 |
| 118 | GBBN | $1,480,000 |
| 119 | DGA | $1,430,156 |
| 120 | Dattner Architects | $1,405,546 |
| 121 | Onyx Creative | $1,400,000 |
| 122 | Think Architecture | $1,328,922 |
| 123 | DAG Architects | $1,303,997 |
| 124 | Eckenhoff Saunders Architects | $1,250,000 |
| 125 | FGM Architects | $1,201,328 |
| 126 | AO | $1,200,000 |
| 127 | BSB Design | $1,191,237 |
| 128 | Randall-Paulson Architects | $1,163,413 |
| 129 | Oculus | $1,125,645 |
| 130 | WDG | $1,109,000 |
| 131 | TETER | $1,015,794 |
| 132 | Becker Morgan Group | $1,015,420 |
| 133 | INVISION Architecture | $1,010,215 |
| 134 | HMC Architects | $975,041 |
| 135 | Urbahn Architects | $950,000 |
| 136 | SHP | $937,171 |
| 137 | Grimm + Parker Architects | $926,554 |
| 138 | CPL Architecture, Engineering, Planning | $879,405 |
| 139 | SWBR | $864,936 |
| 140 | MBH Architects | $854,000 |
| 141 | //3877 | $835,000 |
| 142 | HBG Design | $809,000 |
| 143 | KSS Architects | $808,580 |
| 144 | S/L/A/M Collaborative, The | $803,115 |
| 145 | Elevatus Architecture | $790,000 |
| 146 | Niles Bolton Associates | $786,822 |
| 147 | Hill West Architects | $785,000 |
| 148 | GGLO | $741,530 |
| 149 | LRK | $733,000 |
| 150 | BKV Group | $702,100 |
| 151 | AE7 | $663,496 |
| 152 | GMB Architecture + Engineering | $659,089 |
| 153 | MSA Design + MSA Sport | $641,650 |
| 154 | bKL Architecture | $640,000 |
| 155 | DLA+ Architecture & Interior Design | $618,825 |
| 156 | Zimmerman Architectural Studios | $601,781 |
| 157 | IKM Architecture | $600,000 |
| 158 | GRW | $584,965 |
| 159 | Method Architecture | $575,910 |
| 160 | Dahlin Architecture | Planning | Interiors | $565,000 |
| 161 | LHB | $564,036 |
| 162 | HNTB | $525,662 |
| 163 | GSB | $517,000 |
| 164 | SAS Architects & Planners | $505,554 |
| 165 | Robert Siegel Architects | $497,837 |
| 166 | Legat Architects | $484,000 |
| 167 | McKinley Architecture and Engineering | $478,513 |
| 168 | Studio+ | $391,119 |
| 169 | VLK Architects | $380,250 |
| 170 | Crawford Architects | $356,000 |
| 171 | Roth Sheppard Architects | $344,969 |
| 172 | Finegold Alexander Architects | $343,390 |
| 173 | MS Consultants | $340,000 |
| 174 | ATA Beilharz Architects | $302,223 |
| 175 | KTGY | $267,576 |
| 176 | RRMM Architects | $262,340 |
| 177 | CetraRuddy Architecture | $253,274 |
| 178 | BLDD Architects | $253,000 |
| 179 | Bray Architects | $245,569 |
| 180 | Greenberg Farrow | $245,000 |
| 181 | TowerPinkster | $231,317 |
| 182 | MKM Architecture + Design | $211,513 |
| 183 | Tricarico Architecture and Design | $201,000 |
| 184 | DLA Architects | $186,421 |
| 185 | Nadel Architecture + Planning | $172,295 |
| 186 | Fennick McCredie Architecture | $170,551 |
| 187 | Populous | $165,607 |
| 188 | RDC-S111, Inc. | $152,366 |
| 189 | Bailey Edward Design | $149,800 |
| 190 | Creative Design Solutions | $146,193 |
| 191 | Álvarez-Díaz & Villalón | $145,000 |
| 192 | ARC / Architectural Resources Cambridge | $143,954 |
| 193 | DesignGroup | $140,000 |
| 194 | Manning | $127,050 |
| 195 | Shepley Bulfinch | $117,284 |
| 196 | 45 Architecture | $114,700 |
| 197 | Larson Design Group | $114,563 |
| 198 | BBS Architects, Landscape Architects & Engineers | $103,461 |
| 199 | Lord Aeck Sargent Planning & Design | $99,483 |
| 200 | Thriven Design | $96,690 |
| 201 | Diekema Hamann Architecture | $90,794 |
| 202 | Aria Group Architects | $80,282 |
| 203 | BSA LifeStructures | $61,561 |
| 204 | WATG | $56,877 |
| 205 | CosciaMoos Architecture | $51,843 |
| 206 | Vessel Architecture & Design | $38,565 |
| 207 | CESO | $27,000 |
| 208 | HMFH Architects | $23,143 |
| 209 | BAR Architects & Interiors | $22,058 |
| 210 | CSArch | $12,305 |
| 211 | V Squared Workshop | $9,350 |
| 212 | RKTB Architects | $7,716 |
| 213 | Reztark Design Studio | $6,632 |
| 214 | NSPJ Architects | $6,483 |
Source: 2023 Giants 400 Report
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