SISWP is one of four federations in the world's largest community service organization for business and professional women, Soroptimist International.

Soroptimist International is a worldwide organisation for women in management and professions working through service projects to advance human rights and the status of women. Soroptimist International of Western Australia is the co-ordinating body for 18 clubs in the Western Australian region. The Word Soroptimist is related to two Latin words, soror meaning sister and optima meaning best. We ...