ZIFF DAVIS, INC. Subsidiaries
Every subsidiary the company listed in Exhibit 21 of its annual reports, newest list first (18 lists). Names and jurisdictions are as filed.
- 2026-02-24: Subsidiary 2.4 Family Marketing Limited; Jurisdiction United Kingdom.
- 2026-02-24: Subsidiary Aberdeen Market Intelligence France SAS; Jurisdiction France.
- 2026-02-24: Subsidiary Advanced Messaging Technologies, Inc.; Jurisdiction Delaware, United States.
- 2026-02-24: Subsidiary Arthur L. Davis Publishing Agency, Inc.; Jurisdiction Iowa, United States.
| Annual report filed | Subsidiary | Jurisdiction |
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| 2026-02-24 | 2.4 Family Marketing Limited | United Kingdom |
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| 2026-02-24 | Aberdeen Market Intelligence France SAS | France |
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| 2026-02-24 | Advanced Messaging Technologies, Inc. | Delaware, United States |
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| 2026-02-24 | Arthur L. Davis Publishing Agency, Inc. | Iowa, United States |
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| 2026-02-24 | BabyCenter, L.L.C. | Delaware, United States |
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| 2026-02-24 | Castle Connolly Medical Ltd | Delaware, United States |
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| 2026-02-24 | Cloak Holdings, LLC | Delaware, United States |
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| 2026-02-24 | Cell Rebel AB | Sweden |
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| 2026-02-24 | Cell Rebel Sociedad Limitada | Spain |
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| 2026-02-24 | CNET Media, Inc. | Delaware, United States |
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| 2026-02-24 | Demandshore Media Pvt. Ltd. | India |
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| 2026-02-24 | Demandshore Solutions Pvt. Ltd. | India |
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| 2026-02-24 | DW Prime Holdings, Inc. | Delaware, United States |
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| 2026-02-24 | Ekahau Oy | Helsinki - Finland |
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| 2026-02-24 | Ekahau Inc. | Delaware, United States |
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| 2026-02-24 | Electric Mail (Ireland) Limited | Ireland |
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| 2026-02-24 | emedia Communications, LLC | California, United States |
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| 2026-02-24 | Everyday Health India Private Limited | India |
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| 2026-02-24 | Everyday Health Media, LLC | Delaware, United States |
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| 2026-02-24 | Everyday Health, Inc. | Delaware, United States |
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| 2026-02-24 | Excel Micro, LLC | Pennsylvania, United States |
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| 2026-02-24 | Families Online Limited | United Kingdom |
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| 2026-02-24 | FCS Technologies Limited | Ireland |
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| 2026-02-24 | FCS (UK) Limited | United Kingdom |
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| 2026-02-24 | Forensic and Compliance Systems Limited | Ireland |
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| 2026-02-24 | FitNow, Inc. | Delaware, United States |
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| 2026-02-24 | Gamer Network Limited | United Kingdom |
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| 2026-02-24 | GMG Lifestyle Entertainment, Inc. | Delaware, United States |
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| 2026-02-24 | Hookshot Media Ltd | United Kingdom |
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| 2026-02-24 | Humble Bundle, Inc. | Delaware, United States |
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| 2026-02-24 | IGN Entertainment, Inc. | Delaware, United States |
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| 2026-02-24 | Inspired eLearning, LLC | Delaware, United States |
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| 2026-02-24 | IPVanish, Inc. | Florida, United States |
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| 2026-02-24 | J2 Cloud Co-Obligor, Inc. | Delaware, United States |
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| 2026-02-24 | J2 Global Canada, Inc. | Canada |
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| 2026-02-24 | J2 Global Denmark A/S | Denmark |
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| 2026-02-24 | j2 Global Ireland Limited | Ireland |
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| 2026-02-24 | J2 Global Sweden AB | Sweden |
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| 2026-02-24 | j2 Global Treasury Services Limited | Ireland |
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| 2026-02-24 | J2 Global UK Limited | United Kingdom |
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| 2026-02-24 | J2 Global Ventures, Inc. | Delaware, United States |
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| 2026-02-24 | J2 Global Ventures, LLC | Delaware, United States |
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| 2026-02-24 | J2 Martech Corp. | Delaware, United States |
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| 2026-02-24 | J2 Web Services, Inc. | Delaware, United States |
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| 2026-02-24 | Know Ventures LLC | Delaware, United States |
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| 2026-02-24 | Lantern Technology, LLC | Florida, United States |
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| 2026-02-24 | Launch Gift Cards B.V. | Netherlands |
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| 2026-02-24 | Launch Gift Cards, Inc. | Delaware, United States |
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| 2026-02-24 | Launch Gift Cards Canada Limited | Canada |
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| 2026-02-24 | Launch Gift Cards K.K. | Japan |
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| 2026-02-24 | Launch Gift Card UK Ltd | United Kingdom |
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| 2026-02-24 | Launch Gift Cards NZ Ltd | New Zealand |
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| 2026-02-24 | Launch Gift Cards Pty Ltd | Australia |
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| 2026-02-24 | Lifecycle Marketing Group Ltd | United Kingdom |
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| 2026-02-24 | Lifecycle Marketing (Mother and Baby) Ltd | United Kingdom |
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| 2026-02-24 | Livedrive Internet Limited | United Kingdom |
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| 2026-02-24 | Logiva A/S | Denmark |
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| 2026-02-24 | Magic Lamp Technologies Limited | United Kingdom |
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| 2026-02-24 | Mashable, Inc. | Delaware, United States |
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| 2026-02-24 | MedPage Today, L.L.C. | New Jersey, United States |
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| 2026-02-24 | Moz Holdings Canada Inc. | Canada - British Columbia |
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| 2026-02-24 | NCSG Holding AB | Sweden |
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| 2026-02-24 | Netprotect MX, S.A. de C.V. | Mexico |
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| 2026-02-24 | Netprotect VPN, LLC | Florida, United States |
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| 2026-02-24 | Netprotect, Inc. | Florida, United States |
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| 2026-02-24 | Offers.com, LLC | Delaware, United States |
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| 2026-02-24 | OnTargetJobs, Inc. | Delaware, United States |
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| 2026-02-24 | Ookla Antarabangsa Sdn. Bhd. | Malaysia |
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| 2026-02-24 | Ookla Middle East | United Arab Emirates |
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| 2026-02-24 | Ookla, LLC | Washington, United States |
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| 2026-02-24 | Out There Gaming Limited | United Kingdom |
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| 2026-02-24 | Overplay, Inc. | Florida, United States |
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| 2026-02-24 | Prime Education, LLC | Florida, United States |
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| 2026-02-24 | Prime Implementation Science Mobilized, LLC | Delaware, United States |
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| 2026-02-24 | Red Ventures Interactive Limited | United Kingdom |
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| 2026-02-24 | RetailMeNot India Private Limited | India |
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| 2026-02-24 | RetailMeNot Limited | United Kingdom |
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| 2026-02-24 | RetailMeNot UK Limited | United Kingdom |
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| 2026-02-24 | RetailMeNot, Inc. | Delaware, United States |
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| 2026-02-24 | Root Wireless, Inc. | Washington, United States |
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| 2026-02-24 | Secured Connectivity, LLC | Florida, United States |
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| 2026-02-24 | Semantic Labs LLP | United Kingdom |
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| 2026-02-24 | Semantic Acquisition, LLC | Delaware, United States |
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| 2026-02-24 | Semantic Holdings, Inc. | Delaware, United States |
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| 2026-02-24 | SEOmoz, Inc. | Delaware, United States |
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| 2026-02-24 | Serinus42 B.V. | Netherlands |
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| 2026-02-24 | Solar Archive Limited | United Kingdom |
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| 2026-02-24 | SpatialBuzz Limited | United Kingdom |
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| 2026-02-24 | Spiceworks IT Solutions India Pvt. Ltd. | India |
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| 2026-02-24 | Spiceworks, Inc. | Delaware, United States |
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| 2026-02-24 | Spiceworks UK Ltd. | United Kingdom |
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| 2026-02-24 | Strong Technology, LLC | Florida, United States |
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| 2026-02-24 | TCI Acquisition, Inc. | Delaware, United States |
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| 2026-02-24 | TDS Cards, Inc. | Delaware, United States |
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| 2026-02-24 | TDS Holdco, Inc. | Delaware, United States |
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| 2026-02-24 | TDS Intermediate Holdco, Inc. | Delaware, United States |
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| 2026-02-24 | The Aberdeen Group, LLC | Delaware, United States |
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| 2026-02-24 | The Communicator Corporation Limited | United Kingdom |
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| 2026-02-24 | The Electric Mail Company | Canada - Nova Scotia entity registered in BC |
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| 2026-02-24 | the Skimm Inc. | Delaware, United States |
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