Go Beyond the Risk
with Time Machine

About us

Time Machine Underwriters is the first Managing General Agency (MGA) specialized in Warranty & Indemnity insurance in Japan.


We provide underwriting services on behalf of Mitsui Sumitomo Insurance Company as a MGA.


表明保証保険の実務(Practice of W&I Insurance) ―M&Aにおける新しいリスクマネジメント手法

Practice of W&I Insurance

Author: Kosuke Inada, Kenichi Ko
Publication: 19 November 2020


  • 8/26/2022

    The article on Mitsui Sumitomo Insurance and TMU was posted on MARR Online (August 26, 2022). https://www.marr.jp/mainfo/web_marr/entry/38972

  • 5/13/2022

    We’re delighted to announce that Toshifumi Kajiwara has joined us  as our new underwriter. Toshi has lots of experience in M&A finance and M&A at Clifford Chance (Tokyo) and LINE corporation. Look forward to working with you soon!

  • 2/9/2022

    Our office has moved to a new place. Please drop in when you come nearby.

    【New address】THE MODULE roppongi 312, Roppongi 7-21-24, Minato-ku, Tokyo 106-0032