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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 20 - F ( Mark One ) □ REGISTRATION STATEMENT PURSUANT TO SECTION 12 ( b ) OR ( g ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR × ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 OR □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 OR □ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report For the transition period from Commission file number 001-39240 to GFL ENVIRONMENTAL INC . ( Exact name of Registrant as specified in its charter ) N / A ( Translation of Registrant's name into English ) Ontario ( Jurisdiction of incorporation or organization ) 100 New Park Place , Suite 500 , Vaughan , Ontario , Canada , L4K 0H9 ( Address of principal executive offices ) Patrick Dovigi Founder and Chief Executive Officer 100 New Park Place , Suite 500 , Vaughan , Ontario , Canada , L4K 0H9 Tel : 905-326-0101 ( Name , Telephone , Email and / or Facsimile number and address of Company Contact Person ) Securities registered or to be registered pursuant to Section 12 ( b ) of the Act : Title of each class Subordinate voting shares Tangible equity units Trading Symbol ( s ) GFL GFLU Name of each exchange on which registered The New York Stock Exchange ; The Toronto Stock Exchange The New York Stock Exchange Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None ( Title of Class ) Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None ( Title of Class )