World’s Top Architecture & Design Firms

Top 100 Architecture Firms in US

1. William Rawn Associates
2. Skidmore, Owings & Merrill
3. HOK
4. Rafael Viñoly Architects
5. Perkins + Will
6. Gwathmey siegel & Associates Architects
7. BWS Architects
8. DLR Group
9. HDR Architecture
10. BLT Architects
11. Klingstubbins
12. CO Architects
13. Gensler
14. RBB Architects
15. SB Architects
16. Goody Clancy
17. Good Fulton & Farrell
18. BNIM Architects
19. NBBJ
20. Heery International
21. Studios Architecture
22. Einhorn Yaffee Prescott Architecture & Engineering
23. Cooper Robertson & Partners
24. Zimmer Gunsul Frasca Architects
25. Anshen + Allen
26. Frank Harmon Architect
26. Lord, Aeck & Sargent
28. A.C. Martin Partners
29. Payette
30. Marnell Corrao Associates
31. Fentress Architects
31. Richärd + Bauer
33. William McDonough + Partners
34. HMC Architects
35. Goettsch Partners
36. SHW Group
37. Sera Architects
38. Polshek Partnership Architects
39. Cuningham Group Architecture
40. HGA Architects and Engineers
41. Platt Byard Dovell White
42. HKS
43. Little Diversified Architectural Consulting
44. Elkus Manfredi Architects
45. Smithgroup
46. KTGY group
47. Kaplan McLaughlin Diaz
48. The Jerde Partnership
49. Perkins Eastman
49. Stevens & Wilkinson Stang & Newdow
49. TRO Jung | Brannen
52. MHTN Architects
53. HGA Architects and Engineers
54. FxFowle Architects
55. Flad Architects
56. Gund Partnership
57. Svigals + Partners
58. Office DA
59. Harley Ellis Devereaux
60. Rios Clementi Hale Studios
61. Arrowstreet
62. Kanner Architects
63. Epstein
64. Ehrlich Architects
65. Cannon Design
66. RNL
67. Astorino
68. Leers Weinzapfel Associates
69. Hanbury Evans Wright Vlattas + Co.
70. Ellerbe Becket
71. Ewingcole
72. WWCOT
73. Aguirre Roden
74. Cho Benn Holback + Associates
75. SHoP Architects
76. Design Collective
77. BRPH
78. RDG Planning & Design
79. Machado and Silvetti Associates
80. Worth group Architects
81. CSD Architects
82. Robert A.M. Stern Architects
83. Ross Barney Architects
84. JCJ Architecture
85. Cooper Carry
86. Destefano and Partners
87. Gould Evans
88. Polk Stanley Rowland Curzon Porter Architects
89. Morris Architects
90. NAC | Architecture
91. KA Architecture
92. TVS design
93. Ratcliff
94. El Dorado Architects
95. Ashley McGraw Architects
96. Lake | Flato Architects
97. Ballinger
98. Beatty Harvey & Associates Architects
99. SSOE
100. Moseley Architects

Top 100 Architecture Firms in Britain

1		Atkins
2		BDP
3		Foster + Partners
4		Archial Group
5		Capita Architecture
6		Aedas
7		Hamiltons
8		HOK/Populous
9		PRP
10		3DReid
11		Broadway Malyan
12		Nightingale Associates
13		Sheppard Robson
14		RMJM
15		Allies and Morrison
16		Austin-Smith:Lord
16		Scott Brownrigg
18		Stride Treglown
19		NPS Group
20		Keppie Design
21		Chapman Taylor
22		RHWL Architects
23		Taylor Young
24		Feilden Clegg Bradley Studios
25		Chetwood Architects
25		EPR Architects
27		ADP
28		Bond Bryan Architects
28		Purcell Miller Tritton
28		TP Bennett
31		EllisWilliams Architects
32		Jacobs
33		TPS Architects
34		Aukett Fitzroy Robinson
35		Allford Hall Monaghan Morris
35		HLM Architects
35		Swanke Hayden Connell Architects
38		Pascall + Watson Architects
39		Grimshaw
40		John McAslan + Partners
40		WATG
42		Jestico + Whiles
43		RTKL UK
44		careyjones architects
44		HTA
46		ESA
46		Levitt Bernstein
48		jmarchitects
48		Make
48		Watkins Gray International
51		Lewis and Hickey
51		Powell Dobson Architects
51		R H Partnership
54		Anshen + Allen
54		Farrells
54		Pollard Thomas Edwards Architects
57		HawkinsBrown
57		Hopkins Architects
59		Devereux Architects
59		Hadfield Cawkwell Davidson
59		HKR Architects
62		DLA Architecture
62		Studio E Architects
64		Stephen George and Partners
64		Wilkinson Eyre
66		Barton Willmore
66		David Chipperfield Architects
66		Donald Insall Associates
66		Rolfe Judd
66		Sidell Gibson Architects
71		Fletcher Priest Architects
71		Holmes Partnership
71		The Manser Practice
71		Woods Bagot
75		Holder Mathias Architects
75		Pick Everard
77		YRM
78		CDA
78		Colman Architects
78		Eric Parry Architects
78		Feilden + Mawson
78		Pozzoni
83		Avanti Architects
83		Gensler
83		John Thompson and Partners
83		Penoyre & Prasad
83		The GHM Consultancy Group
88		Boyes Rees Architects
88		Dyer
88		Glenn Howells Architects
91		Haskoll
92		Darling Associates
92		DLG Architects
92		Hunters
92		Paul Davis + Partners
92		Scott Wilson
92		The Harris Partnership
92		Weston Williamson Architects
99		Todd Architects
100		Assael Architecture
100		Cooper Cromar
100		HKS Architects
100		Michael Laird Architects
100		Skidmore, Owings & Merrill SOURCE:  http://www.home-designing.com/design-firms