Sign In
Important Information

This site is open to all US colleagues of Marsh & McLennan. Not all US employees of Marsh & McLennan Companies, Inc. and its direct and indirect subsidiaries (the Company) are eligible for all of the Company’s benefit plans and programs. Please read the Required Legal Notice. To confirm your eligibility for any plans, programs and/or promotions published on this site, visit the Benefits Handbook.


Username and Password Information

If you do not know your Transamerica/Mercer Marketplace Benefits Enrollment Website username or password, call the Employee Service Center at +1 866 374 2662, any business day, from 8:00 am to 8:00 pm, ET.