On the Record · Ziff Davis
Ziff Davis subsidiaries, as it lists them
The subsidiaries Ziff Davis lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| 2.4 Family Marketing Limited | United Kingdom |
| Aberdeen Market Intelligence France SAS | France |
| Advanced Messaging Technologies, Inc. | Delaware, United States |
| Arthur L. Davis Publishing Agency, Inc. | Iowa, United States |
| BabyCenter, L.L.C. | Delaware, United States |
| Castle Connolly Medical Ltd | Delaware, United States |
| Cloak Holdings, LLC | Delaware, United States |
| Cell Rebel AB | Sweden |
| Cell Rebel Sociedad Limitada | Spain |
| CNET Media, Inc. | Delaware, United States |
| Demandshore Media Pvt. Ltd. | India |
| Demandshore Solutions Pvt. Ltd. | India |
| DW Prime Holdings, Inc. | Delaware, United States |
| Ekahau Oy | Helsinki - Finland |
| Ekahau Inc. | Delaware, United States |
| Electric Mail (Ireland) Limited | Ireland |
| emedia Communications, LLC | California, United States |
| Everyday Health India Private Limited | India |
| Everyday Health Media, LLC | Delaware, United States |
| Everyday Health, Inc. | Delaware, United States |
| Excel Micro, LLC | Pennsylvania, United States |
| Families Online Limited | United Kingdom |
| FCS Technologies Limited | Ireland |
| FCS (UK) Limited | United Kingdom |
| Forensic and Compliance Systems Limited | Ireland |
| FitNow, Inc. | Delaware, United States |
| Gamer Network Limited | United Kingdom |
| GMG Lifestyle Entertainment, Inc. | Delaware, United States |
| Hookshot Media Ltd | United Kingdom |
| Humble Bundle, Inc. | Delaware, United States |
| IGN Entertainment, Inc. | Delaware, United States |
| Inspired eLearning, LLC | Delaware, United States |
| IPVanish, Inc. | Florida, United States |
| J2 Cloud Co-Obligor, Inc. | Delaware, United States |
| J2 Global Canada, Inc. | Canada |
| J2 Global Denmark A/S | Denmark |
| j2 Global Ireland Limited | Ireland |
| J2 Global Sweden AB | Sweden |
| j2 Global Treasury Services Limited | Ireland |
| J2 Global UK Limited | United Kingdom |
| J2 Global Ventures, Inc. | Delaware, United States |
| J2 Global Ventures, LLC | Delaware, United States |
| J2 Martech Corp. | Delaware, United States |
| J2 Web Services, Inc. | Delaware, United States |
| Know Ventures LLC | Delaware, United States |
| Lantern Technology, LLC | Florida, United States |
| Launch Gift Cards B.V. | Netherlands |
| Launch Gift Cards, Inc. | Delaware, United States |
| Launch Gift Cards Canada Limited | Canada |
| Launch Gift Cards K.K. | Japan |
| Launch Gift Card UK Ltd | United Kingdom |
| Launch Gift Cards NZ Ltd | New Zealand |
| Launch Gift Cards Pty Ltd | Australia |
| Lifecycle Marketing Group Ltd | United Kingdom |
| Lifecycle Marketing (Mother and Baby) Ltd | United Kingdom |
| Livedrive Internet Limited | United Kingdom |
| Logiva A/S | Denmark |
| Magic Lamp Technologies Limited | United Kingdom |
| Mashable, Inc. | Delaware, United States |
| MedPage Today, L.L.C. | New Jersey, United States |
| Moz Holdings Canada Inc. | Canada - British Columbia |
| NCSG Holding AB | Sweden |
| Netprotect MX, S.A. de C.V. | Mexico |
| Netprotect VPN, LLC | Florida, United States |
| Netprotect, Inc. | Florida, United States |
| Offers.com, LLC | Delaware, United States |
| OnTargetJobs, Inc. | Delaware, United States |
| Ookla Antarabangsa Sdn. Bhd. | Malaysia |
| Ookla Middle East | United Arab Emirates |
| Ookla, LLC | Washington, United States |
| Out There Gaming Limited | United Kingdom |
| Overplay, Inc. | Florida, United States |
| Prime Education, LLC | Florida, United States |
| Prime Implementation Science Mobilized, LLC | Delaware, United States |
| Red Ventures Interactive Limited | United Kingdom |
| RetailMeNot India Private Limited | India |
| RetailMeNot Limited | United Kingdom |
| RetailMeNot UK Limited | United Kingdom |
| RetailMeNot, Inc. | Delaware, United States |
| Root Wireless, Inc. | Washington, United States |
| Secured Connectivity, LLC | Florida, United States |
| Semantic Labs LLP | United Kingdom |
| Semantic Acquisition, LLC | Delaware, United States |
| Semantic Holdings, Inc. | Delaware, United States |
| SEOmoz, Inc. | Delaware, United States |
| Serinus42 B.V. | Netherlands |
| Solar Archive Limited | United Kingdom |
| SpatialBuzz Limited | United Kingdom |
| Spiceworks IT Solutions India Pvt. Ltd. | India |
| Spiceworks, Inc. | Delaware, United States |
| Spiceworks UK Ltd. | United Kingdom |
| Strong Technology, LLC | Florida, United States |
| TCI Acquisition, Inc. | Delaware, United States |
| TDS Cards, Inc. | Delaware, United States |
| TDS Holdco, Inc. | Delaware, United States |
| TDS Intermediate Holdco, Inc. | Delaware, United States |
| The Aberdeen Group, LLC | Delaware, United States |
| The Communicator Corporation Limited | United Kingdom |
| The Electric Mail Company | Canada - Nova Scotia entity registered in BC |
| the Skimm Inc. | Delaware, United States |
| ThreatTrack Security Holdings, Inc. | Delaware, United States |
| UU, Inc. | Barbados |
| VIPRE Security Limited | United Kingdom |
| VIPRE Security Group Philippines, Inc. | Philippines |
| VIPRE Security Group, Inc | Florida, United States |
| VIPRE SG India Private Limited | India |
| VIPRE AS | Norway |
| YSL Ventures, Inc. | Delaware, United States |
| ZD Canada Digital Media I, ULC | Canada |
| ZD Canada Digital Media II, ULC | Canada |
| ZD Cybersecurity Netherlands B.V. | Netherlands |
| ZD Ireland Holdco I Unlimited | Ireland |
| ZD Ireland Holdco II Unlimited | Ireland |
| ZD Singapore Pte. Ltd. | Republic of Singapore |
| Ziff Davis Australia Pty Ltd | Australia |
| Ziff Davis B2B Focus, Inc. | Delaware, United States |
| Ziff Davis Canada, Inc. | Canada |
| Ziff Davis Deutschland GmbH | Germany |
| Ziff Davis International, Ltd. | United Kingdom |
| Ziff Davis Ireland Limited | Ireland |
| Ziff Davis Performance Marketing Private Limited | India |
| Ziff Davis Performance Marketing, Inc. | Delaware, United States |
| Ziff Davis Performance Marketing, Inc. | Philippines |
| Ziff Davis Procurement, LLC | Delaware, United States |
| Ziff Davis, Inc. | Delaware, United States |
| Ziff Davis, LLC | Delaware, United States |
| Ziff Davis US, LP | Delaware, United States |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Ziff Davis’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-24. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.