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The World's 20 Largest Architecture Firms

16:45 - 8 May, 2017
The World's 20 Largest Architecture Firms

Earlier this year, BDOnline released the 2017 edition of the WA 100, their annual survey of the world's largest practices. Ranking the firms by the number of architects they employ, the full report also investigates these firms' financial records and industry trends. The top spots show only slight changes from last year's rankings, with Japan's Nikken Sekkei taking second place from AECOM being perhaps the most notable change. However, the big story behind this year's WA 100 is the rapid growth of #1 firm Gensler, with the firm increasing their lead from last year. The firm now employs almost 800 more architects than any other firm in the world.

"Gensler’s total domination of the rankings continues as it achieves the seemingly impossible task of growing still more after last year’s huge leap in size," says BDOnline, noting that the company's total of 2,570 employed architects represents an increase of almost 1,000 in under 2 years. Gensler's co-chief executive Diane Hoskins explains this growth as the result of expanding overseas while continuing to expand in the US. "It’s not an either/or," she explained to BDOnline.

Read on to see the top 20, or go see the full list of 100 top practices at BDOnline here (for subscribers only).

YKK80 / Nikken Sekkei

19:00 - 16 March, 2017
© Ken'ichi Suzuki
© Ken'ichi Suzuki

© Ken'ichi Suzuki © Ken'ichi Suzuki © Ken'ichi Suzuki © Ken'ichi Suzuki + 13

  • Architects

  • Location

    Japan, 〒101-0024 Tōkyō-to, Chiyoda-ku, Kanda Izumichō, YKK80ビル
  • Design Team

    Tadao Kamei, Koko Nakamura, Tetsuo Tsuchiya
  • Area

    1875.0 m2
  • Project Year

    2015
  • Photographs

Tokyu Plaza Ginza / Nikken Sekkei

22:00 - 24 November, 2016
Tokyu Plaza Ginza / Nikken Sekkei, © Koji Fujii / Nacasa & Partners Inc.
© Koji Fujii / Nacasa & Partners Inc.

© Koji Fujii / Nacasa & Partners Inc. © Koji Fujii / Nacasa & Partners Inc. © Koji Fujii / Nacasa & Partners Inc. © Koji Fujii / Nacasa & Partners Inc. + 21

  • Architects

  • Location

    Ginza, Chuo, Tokyo 104-0061, Japan
  • Design Team

    Taro Nakamoto + Takayuki Sakamoto + Ryo Hatano + Seiji Yamada + Atsuhiko Amakasu / Nikken Sekkei
  • Area

    50.093 m2
  • Project Year

    2016
  • Photographs

BUFS Chapel / Architects Group RAUM + Nikken Sekkei

22:00 - 25 July, 2016
BUFS Chapel  / Architects Group RAUM + Nikken Sekkei, © Yoon Joon-hwan
© Yoon Joon-hwan

© Yoon Joon-hwan © Yoon Joon-hwan © Yoon Joon-hwan © Yoon Joon-hwan + 28

FC Barcelona Explains the Design and Construction of the New Camp Nou in these Videos

08:00 - 23 April, 2016


At a press conference on Thursday, FC Barcelona presented the design of the new Camp Nou, a project led by Nikken Sekkei (Japan) with Joan Pascual i Ramon Ausió Arquitectes (Barcelona), who won the international competition in early March.

Alongside the team's players, the board of directors chaired by Josep Maria Bartomeu presented the model of the project, which will begin construction in mid-2017 to expand the stadium's capacity to 105,000 spectators. In addition, the organization published a series of videos about the project, including an explanation of how the expansion will take place without affecting a single football match.

Nikken Sekkei to Design New Camp Nou

14:00 - 8 March, 2016
Nikken Sekkei to Design New Camp Nou, Design of the new Camp Nou. Image Courtesy of FC Barcelona
Design of the new Camp Nou. Image Courtesy of FC Barcelona

Japanese practice Nikken Sekkei, in collaboration with Joan Pascual-Ramon Ausió Arquitectes, has been chosen to design the new Camp Nou stadium for FC Barcelona, according to Spanish newspaper La Vanguardia. The winning team was chosen over three other finalistsHKS + COX + Batell i Roig Arquitectes; BIG + IDOM + BAAS Arquitectes; POPULOUS + Mias Arquitectes + RCR Arquitectes.

The new design intends to compliment the recently unveiled New Palau Blaugrana, FC Barcelona's main basketball arena that will be designed by HOK and TAC Arquitectes. All this is happening alongside the Espai Barça remodel that is expected to begin in 2017 and complete by 2021.

Mokuzaikaikan / Nikken Sekkei

22:00 - 17 December, 2015
Mokuzaikaikan / Nikken Sekkei, © Nacasa & Partners Inc, Harunori Noda
© Nacasa & Partners Inc, Harunori Noda

© Nacasa & Partners Inc, Harunori Noda © Nacasa & Partners Inc, Harunori Noda © Nacasa & Partners Inc, Harunori Noda © Nacasa & Partners Inc, Harunori Noda + 39

  • Architects

  • Location

    Shinkiba, Koto, Tokyo 136-0082, Japan
  • Design Consultants

    Tomohiko Yamanashi , Takeyuki Katsuya
  • Design Team

    Tomohiko Yamanashi, Takeyuki Katsuya, Yasuyo Sasayama, Yasuyoshi Miyakura, Satoshi Takeuchi/NIKKEN SEKKEI
  • Area

    1011.0 sqm
  • Project Year

    2009
  • Photographs

Tohogakuen School of Music / Nikken Sekkei

20:00 - 15 December, 2015
Tohogakuen School of Music / Nikken Sekkei, © Harunori Noda
© Harunori Noda

© Harunori Noda © Harunori Noda © Harunori Noda © Harunori Noda + 31

  • Architects

  • Location

    Chofu, Tokyo, Japan
  • Design Team

    Tomohiko Yamanashi , Hatori Tatsuya,Yasuyo Sasayama,Yoshito Ishihara/NIKKEN SEKKEI
  • Area

    1943.0 sqm
  • Project Year

    2014
  • Photographs

Nikken Sekkei Designs Master Plan to Revitalize a Former Railway Spanning the Entirety of Singapore

06:00 - 30 November, 2015
Nikken Sekkei Designs Master Plan to Revitalize a Former Railway Spanning the Entirety of Singapore , The Station Garden accommodates amenities like a bicycle station, and a café, as well as spaces for larger events like the Green Corridor Run within a lush, green environment. Image © Nikken Sekkei
The Station Garden accommodates amenities like a bicycle station, and a café, as well as spaces for larger events like the Green Corridor Run within a lush, green environment. Image © Nikken Sekkei

A design team led by Nikken Sekkei, in collaboration with Tierra Design and Arup Singapore, has won a competition to Master Plan a 24-kilometer long former railway corridor that spans the entirety of Singapore with their proposal entitled “Lines of Life.” The proposal, chosen by a panel from Singapore’s Urban Redevelopment Authority incorporates green areas, footpaths, bicycle paths, and surrounding developments that are flexibly implementable over many years, so that the former train line can be best integrated into its surroundings.

Zaha Hadid Backs Down From Second Tokyo Olympic Stadium Bid

13:01 - 18 September, 2015
Zaha Hadid Backs Down From Second Tokyo Olympic Stadium Bid, ZHA's New National Stadium proposal. Image © Zaha Hadid Architects
ZHA's New National Stadium proposal. Image © Zaha Hadid Architects

Just two weeks after the Japan Sport Council launched a second call for New National Stadium proposals, Zaha Hadid Architects and partner Nikken Sekkei have withdrawn from the competition. Although the duo promised to develop a "cost-effective" design that strictly adhered to the new competition's scaled down brief, they were unable to secure a contractor and therefore were forced to step down from the competition. 

"It is disappointing that the two years of work and investment in the existing design for a new National Stadium for Japan cannot be further developed to meet the new brief through the new design competition," said ZHA in a press release.  

Kengo Kuma, SANAA and Nikken Design New Shibuya Skyscraper

12:24 - 10 July, 2015
Kengo Kuma, SANAA and Nikken Design New Shibuya Skyscraper, © Tokyu Corporation
© Tokyu Corporation

Tokyu Corporation has unveiled a new skyscraper planned will rise adjacent to Tokyo's Shibuya Station. A collaborative design by Japanese firms Kengo KumaSANAA and Nikken, the 230-meter mixed use tower will feature an unprecedented, 3,000-square-meter public sky deck that promises "views of Mt. Fuji" (on a clear day).  

The Shibuya tower is planned to open in 2019, a year before the Tokyo Olympics.

OMA Among 5 Shortlisted for Singapore Rail Corridor

12:25 - 3 June, 2015
OMA Among 5 Shortlisted for Singapore Rail Corridor, Singapore Rail Corridor. Image Courtesy of OMA
Singapore Rail Corridor. Image Courtesy of OMA

MVRDV, OMA and DP Architects are among five shortlisted teams competing to design the Singapore Rail Corridor. Spanning the island south to north, from the Tanjong Pagar Railway Station to the Woodlands Checkpoint, the corridor is the site of Singapore’s previous rail link to Malaysia. With this competition, the Singapore government hopes to develop a feasible plan to transform the 24 kilometer stretch into a public greenway that connects four important urban nodes: Buona Vista, the Bukit Timah Railway Station area, the former Bukit Timah Fire Station, and Kranji. 

“The expanse of the corridor running through the centre of the entire country presents an unprecedented opportunity to develop a new typology of landscape with transformative effects for the country as a whole. This is a project that has the potential to improve quality of life for generations to come," says OMA Partner Michael Kokora. 

64 teams responded to the government's call for ideas, and now only five have been selected to move onto the competition's second stage. These five teams are...

Narita International Airport Terminal 3 / NIKKEN SEKKEI + Ryohin Keikaku + PARTY

23:00 - 17 April, 2015
Narita International Airport Terminal 3 / NIKKEN SEKKEI + Ryohin Keikaku  + PARTY, © Kenta Hasegawa
© Kenta Hasegawa

© Kenta Hasegawa © Kenta Hasegawa © Kenta Hasegawa © Kenta Hasegawa + 33

  • Architects

    NIKKEN SEKKEI, Ryohin Keikaku , PARTY
  • Location

    Japan, 〒286-0105 千葉県成田市木の根 Narita International Airport (NRT), Narita terminal 1
  • General Contractor

    Taisei Corporation
  • Area

    23679.0 sqm
  • Photographs

Allies and Morrison to Masterplan New City District in Oman

01:00 - 15 January, 2015
Allies and Morrison to Masterplan New City District in Oman, Wadi Kabir, Muscat. Image © Flickr User MOHAMMED RAFIQUE2011
Wadi Kabir, Muscat. Image © Flickr User MOHAMMED RAFIQUE2011

The competition to masterplan MuscatOman’s new district, Al-Irfan, is over. Organized by the Royal Institute of British Architects (RIBA), five teams were chosen to submit proposals for the development project. Of those five, international firm Allies and Morrison has been selected to oversee the design process. The firm will be working in with the Oman Tourism Development Company SAOC (Omran) to develop a site of over 7.4 million square meters into a thriving urban center that will provide business and residential opportunities for the people of Oman.

Building Skin Developed That Could Cool Our Cities

00:00 - 21 July, 2014
© Harunori Noda
© Harunori Noda

The urban heat island effect - the hot, overwhelming temperatures that a city's concrete produces - has a huge impact on livability and comfort within the city. Now, an elegant cooling system has been designed that not only reduces energy usage, but - should it be installed on multiple buildings - could even lower the overall temperature of a city itself. Learn more, after the break.

Hoki Museum / Nikken Sekkei

01:00 - 9 January, 2012
Hoki Museum / Nikken Sekkei, © Noda Gankohsha
© Noda Gankohsha

Hoki Museum / Nikken Sekkei Hoki Museum / Nikken Sekkei © Noda Gankohsha © Noda Gankohsha + 20

  • Architects

     T.Yamanashi + T.Nakamoto + T.Suzuki + M.Yano, Nikken Sekkei Ltd. 
  • Location

    Midori Ward, Chiba, Chiba Prefecture, Japan
  • Client

    Hoki Museum Co., Ltd.
  • Photographs

Yamaha Ginza / Nikken Sekkei

01:00 - 20 February, 2011
Yamaha Ginza / Nikken Sekkei, © Kenichi Suzuki Photography Studio
© Kenichi Suzuki Photography Studio

© Kenichi Suzuki Photography Studio © Kenichi Suzuki Photography Studio © Kenichi Suzuki Photography Studio © Kenichi Suzuki Photography Studio + 16

  • Architects

  • Location

    Tokyo, Japan
  • Architects

    Nikken Sekkei LTD / HOZUMA CHINO+HIROYUKI SHIRAI+TAKEYOSHI SUZUKI
  • Client

    Yamaha Corporation
  • Area

    635.0 sqm
  • Project Year

    2010
  • Photographs