| Rank 2019 | Rank 2018 | New | Practice name | Country | Architects employed | Fee Income (US $Million) |
|---|---|---|---|---|---|---|
| 1 | 1 | Gensler | USA | 2627 | ||
| 2 | 2 | Nikken Sekkei | Japan | 1869 | ||
| 3 | 3 | AECOM | USA | 1733 | $600-699m | |
| 4 | 4 | HDR | USA | 1491 | $370-379m | |
| 5 | 5 | Perkins+Will | USA | 1148 | $390-395m | |
| 6 | New | Sweco | Sweden | 1100 | ||
| 7 | 6 | IBI GROUP | Canada | 862 | $230-239m | |
| 8 | 7 | HOK | USA | 811 | $290-299m | |
| 9 | 10 | Aedas | China | 761 | $220-229m | |
| 10 | 8 | DP Architects | Singapore | 727 | ||
| 11 | 12 | Perkins Eastman | USA | 711 | $250-259m | |
| 12 | 9 | HKS | USA | 695 | ||
| 13 | 13 | DLR Group | USA | 675 | $260-269m | |
| 14 | 14 | Foster + Partners | UK | 659 | $190-199m | |
| 15 | 17 | Stantec | Canada | 640 | $340-349m | |
| =16 | 11 | White Arkitekter | Sweden | 630 | $110-119m | |
| =16 | 16 | CannonDesign | USA | 630 | ||
| 18 | 18 | SmithGroup | USA | 609 | $210-219m | |
| 19 | 20 | Heerim Architects & Planners Co., Ltd | South Korea | 602 | $180-189m | |
| 20 | 22 | Haeahn Architecture | Republic of Korea | 583 | $100-109m | |
| 21 | 19 | Nihon Sekkei | Japan | 545 | $140-149m | |
| 22 | 23 | ATP Architects Engineers | Austria | 510 | $90-99m | |
| 23 | 21 | gmp Architekten von Gerkan, Marg und Partner | Germany | 508 | $80-89m | |
| 24 | 29 | Atkins, member of the SNC Lavalin Group | UK | 451 | $100-109m | |
| 25 | 34 | AREP | France | 442 | $130-139m | |
| 26 | 24 | ZGF Architects LLP | USA | 425 | $110-119m | |
| 27 | 26 | Tengbomgruppen AB | Sweden | 405 | $70-79m | |
| 28 | 25 | Kume Sekkei | Japan | 400 | $100-109m | |
| 29 | 27 | NBBJ | USA | 381 | $160-169m | |
| 30 | 30 | BDP | UK | 378 | $60-69m | |
| 31 | 31 | Mitsubishi Jisho Sekkei | Japan | 359 | $160-169m | |
| 32 | 32 | HPP Architects | Germany | 356 | $430-49m | |
| 33 | 33 | LINK arkitektur | Norway | 340 | $60-69m | |
| 34 | 40= | DLN (former name Dennis Lau & Ng Chun Man Architects & Engineers) | China | 338 | ||
| 35 | 28 | P&T Architects and Engineers Limited | China | 306 | $130-139m | |
| 36 | 91 | LWK & Partners | China | 305 | $80-89m | |
| 37 | 44 | Kunwon Architects Planners Engineers | Republic of Korea | 302 | $110-119m | |
| 38 | New | ASYA | Philippines | 301 | $10-19m | |
| 39 | 35 | Leigh & Orange | China | 292 | $70-79m | |
| =40 | 39 | Chapman Taylor | UK | 267 | $40-49m | |
| =40 | 46 | National Engineering Bureau | UAE | 267 | $60-69m | |
| 42 | 38 | EHAF Consulting Engineers | UAE | 266 | $50-59m | |
| 43 | New | Architectus Group | Australia | 265 | $70-79m | |
| 44 | 45 | IDOM | Spain | 262 | $50-59m | |
| 45 | 42 | Dewan Architects + Engineers | UAE | 260 | $60-69m | |
| 46 | 47 | Aidea | Philippines | 253 | $10-19m | |
| 47 | 40= | Bates Smart | Australia | 252 | $30-39m | |
| 48 | 52 | B+H Architects | Canada | 251 | $50-59m | |
| 49 | 53= | Populous | UK | 249 | $120-129m | |
| 50 | 49 | BIG - Bjarke Ingels Group | Denmark | 248 | ||
| 51 | 37 | KEO International Consultants | Kuwait | 242 | $230-239m | |
| 52 | 56= | Lemay Co Inc. | Canada | 240 | $70-79m | |
| 53 | 51 | Allford Hall Monaghan Morris | UK | 237 | $40-49m | |
| 54 | 55 | GHDWoodhead | Australia | 233 | $60-69m | |
| 55 | 61 | PBK | USA | 223 | $100-109m | |
| 56 | 50 | Ishimoto Architectural & Engineering Firm | Japan | 222 | $60-69m | |
| 57 | 58 | DSP Design Associates | India | 209 | $10-19m | |
| 58 | 65= | Corgan | USA | 207 | ||
| =59 | 53= | AXS Satow | Japan | 203 | $60-69m | |
| =59 | 60 | Ronald Lu & Partners | China | 203 | $50-59m | |
| =61 | 59 | Archetype Group | Vietnam | 197 | ||
| =61 | 75= | Broadway Malyan | UK | 197 | $50-59m | |
| 63 | 65= | Allies and Morrison | UK | 196 | $40-49m | |
| 64 | 75= | Henning Larsen | Denmark | 193 | $40-49m | |
| 65 | 70 | Wilmotte & Associés | France | 191 | $30-39m | |
| 66 | 62 | Itten+Brechbühl | Switzerland | 185 | $50-59m | |
| 67 | 43 | Aukett Swanke | UK | 184 | $20-29m | |
| 68 | 64 | GVA | Jalisco | 182 | $20-29m | |
| 68 | 72 | SSH | Bahrain | 179 | ||
| =70 | 67 | Sheppard Robson | UK | 175 | $30-39m | |
| =70 | 78= | UNStudio | Netherlands | 175 | $20-29m | |
| =72 | 68 | Jaspers-Eyers Architects | Belgium | 170 | $20-29m | |
| =72 | 77 | Nordic - Office of Architecture | Norway | 170 | $30-39m | |
| 74 | 69 | Valode et Pistre Architectes | France | 169 | $30-39m | |
| 75 | 80= | MG2 | USA | 153 | $50-59m | |
| 76 | 85 | 10 Design | China | 152 | $30-39m | |
| 77 | 74 | Page | USA | 147 | ||
| 78 | 86 | Progetto CMR | Italy | 141 | $10-19m | |
| =79 | 78= | CP Kukreja Architects | India | 140 | $5-9m | |
| =79 | 100= | Morphogenesis | India | 140 | $5-9m | |
| =81 | 73 | C.F. Møller Architects | Denmark | 136 | $40-49m | |
| =81 | 111 | Warren and Mahoney | New Zealand | 136 | $40-49m | |
| 83 | 87 | schneider+schumacher | Germany | 135 | $20-29m | |
| 84 | 63 | Wong Tung & Partners | China | 133 | $50-59m | |
| 85 | 84 | GF & Partners | Philippines | 129 | Under $5m | |
| 86 | 82 | AHR | UK | 128 | $20-29m | |
| 87 | New | A26 Architectures | France | 125 | $20-29m | |
| 88 | 88= | Scott Brownrigg | UK | 123 | $20-29m | |
| 89 | 90 | Pascall+Watson | UK | 121 | $20-29m | |
| 90 | 104= | Visionarch - Visionary Architecture, Inc. | Philippines | 120 | Under $5m | |
| 91 | Sikka Associates Architects | India | 118 | Under $5m | ||
| 92 | 80= | Leo A Daly | Nebraska | 117 | $170-179m | |
| 93 | 83 | Purcell | UK | 113 | $20-29m | |
| =94 | New | Quadrangle | Canada | 110 | $20-29m | |
| =94 | New | PLP Architecture | UK | 110 | $30-39m | |
| 96 | 88= | Feilden Clegg Bradley Studios | UK | 109 | $20-29m | |
| 97 | 95 | Saraiva + Associados | Portugal | 108 | $20-29m | |
| =98 | 93= | Henn GmbH | Germany | 105 | $60-69m | |
| =98 | 108= | Diamond Schmitt Architects | Canada | 105 | $30-39m | |
| 100 | 93= | Showa Sekkei | Japan | 104 | Under $5m |
WA100 2019: The big list
View a table of this year’s top 100 architects
WA100 is BD’s annual survey of the world’s largest practices ranked by the number of fee-earning architects they employ.