A tradition of commitment
The MS&AD Group
The tradition of service and innovation within the MS&AD Group dates back to the origins of the company in Japan in the early 17th century
Over the past four hundred years we have fostered and built a unique business culture based on total commitment to:
Respect, loyalty, honour and integrity
Respect and loyalty to staff and customers. Honour and integrity at the heart of everything we do
Also at the heart of Japanese business culture is an equally strong commitment to taking a long-term view to:
Building and nurturing enduring relationships and forging close partnerships
Key Facts



is the merged organisation of
MSIG, Aioi and Nissay Dowa


We have the financial backing of
one of the top non-life insurers in the world


Over 320 offices in over
40 territories around the world


Exceptionally strong credit ratings:
S&P A+, AM Best A+, Moody's A1


MSIG is a subsidiary
of the MS&AD Group and benefits from its chain of financial security


MSIG at Lloyd's, Syndicate 3210,
was the first Japanese syndicate
to be established in Lloyd's in 2000


MSIG is the international
specialty hub for the Mitsui Sumitomo Insurance Group