System1, Inc. business relationships

Companies named in System1, Inc.’s 10-K filed 2026-03-11, and public companies whose annual reports name System1, Inc.. Each link shows the sentence it came from. Scores are Engagemii’s AI visibility scores.

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AEO visibility: 6.1 / 10
AI naming: 100 / 100
Agent readiness: 5 / 100
AI adoption: 10 / 100

Named in System1, Inc.’s annual report 5

MICROSOFT CORP (MSFT)Partner7.7
“As of December 31, 2025, we had two paid search advertising partnership agreements with Google, and one paid search advertising partnership agreement with Microsoft.” SEC filing
MICROSOFT CORP (MSFT)Supplier7.7
“We do not provide or control the content of the advertisements that are displayed by content providers we work with, including those provided by Google or Microsoft.” SEC filing
Alphabet Inc. (GOOGL)Customer5.5
“For the year ended December 31, 2025, 67% of our total revenue was attributable to our agreements with Google.” SEC filing
Alphabet Inc. (GOOGL)Partner5.5
“As of December 31, 2025, we had two paid search advertising partnership agreements with Google, and one paid search advertising partnership agreement with Microsoft.” SEC filing
Alphabet Inc. (GOOGL)Supplier5.5
“We do not provide or control the content of the advertisements that are displayed by content providers we work with, including those provided by Google or Microsoft.” SEC filing

Links are read automatically from SEC annual reports (10-K, 20-F, 40-F). In a hand check of random links, about 8 in 10 were real business relationships, so every link carries its source sentence.