Nikken Sekkei in Numbers

Through these “numbers,” we’ll introduce Nikken Sekkei’s business scale, expertise, and the breadth of our co-creation with society.

Key Data

Founding year

1900year
Number of officers and employees

2,723People

(As of January 1, 2026)
Number of locations

Domestic15Base

Overseas Offices6country12Base

(As of April 1, 2026)
Sales

776100 million yen

(2025 figures)
active
Number of clients

1,258Company

(2025 figures)
Percentage of private companies among clients
(Compared to current year's sales)

(2025 figures)

Number of events held on PYNT

87cases per year

(2025 figures)

The open innovation space "PYNT" promotes various collaborations both inside and outside the company.
Lectures and Presentations at Universities and Other Institutions

Total165People

(2025 figures)
Number of times the NIKKEN FORUM has been held

390Time

(Cumulative total from 1988 to the end of 2025)

NIKKEN FORUM is an open forum hosted by the Nikken Group, where experts discuss a variety of themes, starting with urban planning and architecture.

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classification	index	unit	2023	2024	2025
Basic Human Resources Data	Number of officers and employees	People	2,244	2,285	2,472
	male	People	1,653	1,676	1,764
	woman	People	591	609	708
	Average age of officers and employees	age	44.7	44.7	44.5
qualification	Number of architects (first class architect)	People	1,038	1,028	1,039
	Number of architects (second class architect)	People	126	123	135
	Number of Professional Engineers	Total number	246	241	240
engagement	Staff turnover rate	%	2.5	2.4	1.8
	Average length of service	year	15.5	15.5	15.1
	Percentage of respondents who answered that it is “a company where work is rewarding overall” ^1	%	82	-	84

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classification	index	unit	2023	2024	2025
Expanding the customer base	Number of active clients	Company	1,249	1,304	1,258
	Percentage of private companies among clients (as a percentage of current year's sales)	%	76.0	78.4	79.3
	Percentage of services other than design and supervision (as a percentage of current year's sales)	%	20.5	25.5	39.1
Co-creation environment and seeds of collaboration	Number of external lecturers, judges, etc. invited	People	62	59	67
	Number of events held on ^PYNT*2	subject	51	93	87
	Total number of PYNT Members ^*2	People	139	371	760
	Number of employees seconded to companies other than group companies	People	12	20	21
External activities that leverage specialized skills	Teaching and lecturing activities at universities and other institutions ^*3	Total number	138	140	165
	Speaking activities at symposiums, workshops, etc.	Total number	138	173	203
	Number of committee members in academic societies and other organizations	Total number	410	448	446

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classification	index	unit	2023	2024	2025
Company culture	Number of applications ^*4	subject	10	8	16
	Number of entries for internal company awards ^*5	subject	155	147	127
	Percentage of employees who are members of the employee union ^*6	%	76.3	79.4	80.6
	The percentage of officers and employees who own shares in the company. ^*7	%	43.1	68.6	68.9
Brand communication	Number of commercially published books	subject	5	3	7

※4Wedia is an in-house contest designed to turn ideas from Nikken Group employees into new business development and innovation.
※5The total number of entries for the four annual in-house awards.
※6At our company, all employees are union members, except for those who are excluded from union membership due to their position or job duties.
※7Our company's shares are held exclusively by current executives and employees.

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classification	index	unit	2023	2024	2025
Intellectual property rights	Number of published papers	subject	100	136	178
environment	Number of environmental awards (domestic)	subject	16	26	33
environment	Number of environmental awards (overseas)	subject	4	11	9