IKK Holdings Inc. engages in the wedding, nursing care, food, financial, photography, and matrimonial matchmaking businesses in Japan. The company offers wedding and reception-related planning, execution, advice, and promotional services; advice on wedding attires and cuisines; and photography services at weddings. It operates three private nursing homes, as well as provides nursing care and other services; and develops food products comprising wedding gifts and sweets through e-commerce sites and wholesale sales distribution channels. In addition, the company provides financial, management consulting, investment, and investment advisory services; and financial support for new businesses. The company was formerly known as IKK Inc. and changed its name to IKK Holdings Inc. in May 2021. IKK Holdings Inc. was incorporated in 1995 and is headquartered in Imari, Japan.