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Table of Contents ☐ ☑ ☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 20 - F 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 Commission File Number : 001-40007 Atotech Limited ( Exact name of Registrant as specified in its charter ) Bailiwick of Jersey ( Jurisdiction of incorporation ) William Street , West Bromwich West Midlands , B70 0BG United Kingdom ( address of principal executive offices ) Josh McMorrow Vice President , Group General Counsel and Secretary Erasmusstrasse 20 10553 Berlin , Germany +49 30 349 85 703 ( Name , Telephone , E - mail 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 Common shares , $ 0.10 par value per share Trading Symbol ATC Name of Each Exchange on Which Registered The New York Stock Exchange Securities registered or to be registered pursuant to Section 12 ( g ) of the Act : None Securities for which there is a reporting obligation pursuant to Section 15 ( d ) of the Act : None