WA100 2026
| Rank 2026 | Rank 2025 | Company name | Country | Architects employed | Fee income (US$) |
|---|---|---|---|---|---|
| 1 | 1 | Gensler | US | 2,716 | Above 1.5bn |
| 2 | 3 | HDR | US | 1,868 | 800m-899m |
| 3 | 2 | Arcadis | Netherlands | 1,781 | 330m-339m |
| 4 | 4 | Aecom | US | 1,529 | 500m-599m |
| 5 | 6 | Sweco Group | Sweden | 1,491 | 190m-199m |
| 6 | 5 | Nikken Sekkei | Japan | 1,427 | 400m-499m |
| 7 | 9 | DLR Group | US | 901 | 500m-599m |
| 8 | 7 | Heerim Architects & Planners | South Korea | 887 | 160m-169m |
| 9 | 8 | Perkins&Will | US | 876 | 400m-499m |
| 10 | 13 | CannonDesign | US | 875 | 280m-289m |
| 11 | 11 | Haeahn Architecture | South Korea | 855 | 170m-179m |
| 12 | 14 | Aedas | China | 843 | 270m-279m |
| 13 | 23 | Foster + Partners | UK | 725 | 800m-899m |
| 14 | 17 | SJ Group | Singapore | 674 | 100m-109m |
| 15 | 15 | ATP Architects Engineers | Austria | 663 | 180m-189m |
| 16 | 12 | HKS | US | 661 | 390m-399m |
| 17 | 16 | Tianhua | China | 655 | 200m-209m |
| 18 | 18= | Stantec | Canada | 609 | 400m-499m |
| 19 | 18= | GMP Architekten | Germany | 598 | 80m-89m |
| 20 | 22 | Nihon Sekkei | Japan | 548 | 140m-149m |
| 21 | 28 | AtkinsRéalis | UK | 521 | 100m-109m |
| 22 | 24 | HOK | US | 511 | 360m-369m |
| 23 | 21 | BDP | UK | 493 | 90m-99m |
| 24 | 25 | Mitsubishi Jisho Design | Japan | 458 | 160m-169m |
| 25 | 29 | SmithGroup | US | 451 | 360m-369m |
| 26 | 35= | Ehaf Consulting Engineers | Egypt | 442 | 130m-139m |
| 27 | 30 | Lemay | Canada | 435 | 120m-129m |
| 28 | 20 | HPP Architekten | Germany | 422 | 80m-89m |
| 29 | 45 | RSP Design Consultants (India ) | India | 402 | 20m-29m |
| 30 | 26 | ZGF | US | 391 | 140m-149m |
| 31 | 33 | Zaha Hadid Architects | UK | 390 | 100m-109m |
| 32 | 41 | Dewan Architects + Engineers | UAE | 385 | 120m-129m |
| 33 | 31 | Azusa Sekkei | Japan | 380 | 120m-129m |
| 34 | 38 | Link Arkitektur | Norway | 370 | 60m-69m |
| 35 | 39 | National Engineering Bureau | UAE | 364 | 70m-79m |
| 36 | 34 | Kunwon | South Korea | 356 | 110m-119m |
| 37= | 32 | LWK + Partners | China | 350 | 40m-49m |
| 37= | 35= | PBK | US | 350 | 230m-239m |
| 39 | 42 | GHD Design | Australia | 345 | 100m-109m |
| 40= | 40 | Aidea | Philippines | 342 | 10m-19m |
| 40= | - | Woods Bagot | Australia | 342 | 130m-139m |
| 42 | 43 | DSP Design Associates | India | 327 | 40m-49m |
| 43 | 37 | DLN Architects | China | 325 | |
| 44 | 49 | JZFZ Architectural Design | China | 322 | 210m-219m |
| 45 | 44 | RSP Architects Planners & Engineers | Singapore | 314 | 70m-79m |
| 46 | 46 | Idom | Spain | 294 | 60m-69m |
| 47 | 64 | WW+P Architects | UK | 280 | 30m-39m |
| 48 | 51 | Corgan | US | 274 | 280m-289m |
| 49= | 54 | KEO International Consultants | Kuwait | 252 | 190m-199m |
| 49= | 53 | Ronald Lu & Partners | China | 252 | |
| 51= | 50 | P&T Group | China | 250 | 110m-119m |
| 51= | 56 | Visionarch – Visionary Architecture | Philippines | 250 | 5m-9m |
| 53 | 48 | 10 Design | UK | 249 | 70m-79m |
| 54 | - | Itten+Brechbühl | Switzerland | 244 | 70m-79m |
| 55 | 80 | WTA Architecture and Design Studio | Philippines | 238 | 10m-19m |
| 56 | 58 | Allford Hall Monaghan Morris | UK | 234 | 50m-59m |
| 57 | 60 | AXS Satow | Japan | 232 | 50m-59m |
| 58 | 70 | INI Design Studio | India | 231 | |
| 59 | 52 | NBBJ | US | 230 | 200m-209m |
| 60 | 62 | Wong Tung & Partners | China | 224 | 40m-49m |
| 61= | 63 | AD&R Institute of Zhejiang University | China | 223 | 130m-139m |
| 61= | 74 | Ayesa Ingeneria y Arquitectura | Spain | 223 | 60m-69m |
| 63 | 69 | SSH | Kuwait | 212 | 80m-89m |
| 64 | - | Grimshaw | UK | 209 | 60m-69m |
| 65 | 55 | Lacime Architects | China | 199 | 20m-29m |
| 66 | 66 | Built Cybernetics (formerly Aukett Swanke) | UK | 190 | 20m-29m |
| 67 | 65 | Archetype Group | Vietnam | 186 | 20m-29m |
| 68 | 72 | PM Group | Ireland | 185 | 30m-39m |
| 69 | - | KPF | US | 184 | 150m-159m |
| 70 | 82 | Morph | Spain | 182 | 10m-19m |
| 71 | 67= | Progetto CMR | Italy | 180 | 40m-49m |
| 72 | - | China United Engineering Corporation | China | 176 | 500m-599m |
| 73= | 76= | Purcell | UK | 173 | 30m-39m |
| 73= | 73 | Saota | South Africa | 173 | 10m-19m |
| 75= | 79 | Hyphen | UK | 172 | 30m-39m |
| 75= | 59 | Wilmotte & Associés Architectes | France | 172 | 40m-49m |
| 77 | 54 | Asya Design | Philippines | 166 | 5m-9m |
| 78= | 76= | C P Kukreja Architects | India | 165 | 10m-19m |
| 78= | 71 | Jaspers-Eyers Architects | Belgium | 165 | 20m-29m |
| 80 | 67= | Morphogensis | India | 154 | 10m-19m |
| 81 | 75 | Henn | Germany | 152 | 70m–79m |
| 82 | 81 | Valode & Pistre Architectes | France | 149 | 20m-29m |
| 83 | - | Drees & Sommer | Germany | 140 | 30m-39m |
| 84 | 83 | Sikka Associates Architects | India | 139 | 5m-9m |
| 85 | 86 | Arch-Age Design | China | 136 | 30m-39m |
| 86 | 88= | Stride Treglown | UK | 128 | 30m-39m |
| 87 | 85 | Richez_Associés | France | 127 | 10m-19m |
| 88= | 87 | A26 Architectures | France | 125 | 20m-29m |
| 88= | 91 | DSA Architects International | UAE | 125 | 20m-29m |
| 90 | 93 | EPR Architects | UK | 122 | 30m-39m |
| 91= | - | Dar Al Omran Rasem Badran | Jordan | 121 | 30m-39m |
| 91= | 84 | Leigh & Orange | China | 121 | 30m-39m |
| 93 | 96 | HCP Architecture & Engineering | Spain | 117 | 10m-19m |
| 94 | 94 | Diamond Schmitt | Canada | 116 | 60m-69m |
| 95= | 97 | Killa Design | UAE | 113 | 30m-39m |
| 95= | 92 | PRP | UK | 113 | 30m-39m |
| 97 | 61 | Gerber Architekten | Germany | 112 | 20m-29m |
| 98 | 100 | Sanjay Puri Architects | India | 108 | 5m-9m |
| 99 | 95 | Scott Brownrigg | UK | 105 | 30m-39m |
| 100 | 57 | UNS | Netherlands | 104 | 70m-79m |