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Contact Green Century

If you have questions about Green Century Funds’ investing strategy, shareholder advocacy, or nonprofit ownership, please call: 1-800-934-7336, or fill out the form below.
Online account access

Access your account electronically here.

If you would like to access your account online, please sign up for electronic access here.

Shareholder Services


Please contact our shareholder services office with questions about:

  • Your existing account;
  • The status of your rollover, transfer, contributions, etc.
  • How to access your online account;
  • Your passcode, inability to access your account online, etc.
  • Any account correspondence you have received.
Financial advisors

Visit our Financial Advisors page for more information.

To invest and for account correspondence


Green Century Funds
P.O. Box 588
Portland, ME 04112

Overnight Mail

Green Century Funds c/o Atlantic Fund ServicesThree Canal Plaza, Ground FloorPortland, ME 04101Fax: 207-347-2195