Nihon Suido Consultants Co., Ltd. (Head Office: Shinjuku-ku, Tokyo; Representative Director and President: NAKANISHI Shinji) has determined that the method used to calculate the average annual salary figures submitted to the “Construction Consultant Companies 2025 Financial Survey (Non-consolidated)” conducted by Nikkei Business Publications, Inc., differed from that specified by the publisher. We have recalculated the figures based on the designated method and hereby issue the following correction.

We apologize to Nikkei Business Publications and other involved parties for any inconvenience caused by the misleading results.

Affected publications

• Nikkei Construction

April 20, 2026, issue (No. 829), p.54

“Data 1: Average Annual Salaries at 20 Major Companies”

• Nikkei xTECH

Article published April 20, 2026:

“Two Major Expenses for Construction Consultants: Average Annual Salary at 18 Major Firms Reaches ¥7.62 Million – More Than 90% of Construction Consultants Raise Wages”

Article published April 27, 2026:

“Original Survey: Salaries and Outsourcing Costs at Construction Consultant Firms, Part 1 – What Are Construction Consultant Salaries? Average at 18 Major Firms Is ¥7.62 Million, with Nippon Koei Ranking Highest”

Correction details

Figures in parentheses indicate year-on-year change (%).