孫まご請うけ

noun, noun or participle which takes 'suru'

sub-subcontractor

A company or individual that receives work from a subcontractor (下請け), i.e., the third tier in a contracting chain. Often used in construction, IT, and manufacturing contexts.

• このプロジェクトでは、孫まご請うけの会かい社しゃが実じっ際さいの作さ業ぎょうを担たん当とうしている。

  In this project, a sub-subcontractor is handling the actual work.