Decades Inc. is rated 3 out of 5 in the category management consulting. Read and write reviews about Decades Inc.. We achieve the future we want with disruptive innovation Transform actions in Japan and the world, make our society more sustainable, and create more prosperous and happier future through promoting the Sustainable Development Goals (SDGs). Looking ahead to 2030 and beyond, Decades Inc. aims to create the afore-mentioned “Future We Want” in partnership with companies, educational institutions, public agencies and civil society organizations. We do so by taking advantage of our leading professional expertise and experiences at both public and private sectors in the areas of health, education, women’s active role and others.