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