QuinStreet has completed its acquisition of SIREN GROUP AG, which operates as HomeBuddy, for $115 million in cash at closing and an additional $75 million in post-closing payments to be made over four years, subject to certain adjustments. HomeBuddy will be integrated into QuinStreet’s Modernize Home Services business, expanding its platform, market presence, and product offerings. The company expects the deal to add at least $30 million to adjusted EBITDA within the first twelve months after closing, with further margin improvements anticipated as operational synergies are realized. More details about the transaction will be provided in QuinStreet’s FY2026 Q2 earnings call and future SEC filings.

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