Full Answer

First-party data directly increases business valuation because it satisfies three criteria investors prioritize: ownership (stored in your infrastructure, not rented), compliance (collected with proper consent, meeting GDPR and privacy requirements), and durability (immune to third-party cookie deprecation and platform policy changes). As browser restrictions and privacy regulations eliminate third-party tracking, businesses with robust first-party data collection see 15-30% valuation premiums. For a $10 million company, that translates to $1.5-3 million in additional exit value.