Towers Perrin was a professional services firm specializing in human resources and financial services consulting, which merged in January 2010 with Watson Wyatt to form Towers Watson. The firm was a provider of reinsurance intermediary services and was active in the actuarial consulting arena with its Tillinghast insurance consulting practice.

On March 1, 1934, Towers, Perrin, Forster & Crosby opened for business in Philadelphia, Pennsylvania. In 1987, Towers Perrin was established as the umbrella name for the firm.^[2] On June 28, 2009, Towers, Perrin, Forster & Crosby and Watson Wyatt Worldwide (NYSE:WW) announced their agreement to merge into a new publicly traded company called Towers Watson & Co. The merger was completed in January 2010.^{[citation needed]}

Towers Perrin had offices and alliance partners in the United States, Canada, Europe, Asia, Latin America, South Africa, Australia and New Zealand.^[3]