OneAmerica Financial | 33,892 followers on LinkedIn. OneAmerica Financial® is a national financial services organization helping people build greater certainty for better moments, every day. The companies of OneAmerica Financial have been advancing financial security for almost 150 years, supporting millions of customers with solutions across life insurance, retirement, employee benefits and long-term care. As a people-first mutual organization, OneAmerica Financial prioritizes customers’ interests and maintains a long-term focus on both value and financial stability.