Seiwa Kai Hamilton, ON
In 2003, Kumanomori Martial Arts became the second Seiwa Kai dojo in Ontario. It later changed its name to Seiwa Kai Karate of Hamilton, incorporating as non-profit organization. It is headed by Shihan Michael Beardwood (5th Dan).
Seiwa Kai Welland, ON
In 2005 Shihan Doug Meagher (5th Dan) brought his dojo, Northwest Goju Ryu Karate into Seiwa Kai Canada.
Seiwa Kai St Catharines, ON
In 2006, Shidoin Joe Desharnais of Xin Arts (3rd Dan) joined Seiwa Kai Canada at the same time as establishing his new full time dojo.
Seiwa Kai Kingston, ON
In 2006, Shihan Robert Patry (4th Dan) owner of SMA Karate joined Seiwa Kai Canada.
Seiwa Kai Sudbury, ON
In 2006, Shihan Craig Vokey (5th Dan) of Laurentian Karate joined Seiwa Kai Canada.
Seiwa Kai Etobicoke, ON
In 2006, Shidoin Paulo Cardoso (3rd Dan) brought The Etobicoke Dojo into Seiwa Kai Canada.
Seiwa Kai Orangeville , ON
In 2006, Shidoin Angelo Panoussis (3rd Dan) owner of The Orangeville Dojo joined Seiwa Kai Canada.
Seiwa Kai Sudbury, ON
In 2007, Shihan Don Benoit (6th Dan) of Benoit's Goju Ryu Karate Do joined Seiwa Kai Canada.
Seiwa Kai Niagara Falls, ON
Sensei Bob Reece (3rd Dan) owner of Chippawa Martial Arts joined Seiwa Kai Canada in 2007.
Seiwa Kai Barrie, ON
Sensei Murray Stanley owner of Classic Martial Arts in Barrie, Ontario is the newest member to join Seiwa Kai Canada.