
SegmentStream is a London-based AI-powered marketing intelligence platform that helps growth leaders maximize revenue from paid media through full-funnel attribution, incrementality measurement, and automated budget allocation. Founded in 2018 to address the challenges of fragmented customer journeys and privacy restrictions, SegmentStream combines AI, incrementality testing, and marketing mix optimization to provide marketers with accurate, actionable insights for efficient and scalable growth. The platform offers key products including Cross-Channel Attribution, Automated Budget Allocation, Synthetic Conversions, Incrementality Testing, Predictive Lead Scoring, and Customer LTV Prediction. Trusted by over 100 global customers including L'Oréal Luxe, UniLodge, CarShop, and SimpliSafe, SegmentStream is VC-backed and partners with Google Cloud, Google Marketing Platform, Meta Business, and Microsoft Ads. The company provides personalized onboarding and ongoing expert support, targeting clients with a minimum ad spend of $50,000 per month, and offers flexible licensing with add-ons for CRM integration and advanced analytics.

SegmentStream is a London-based AI-powered marketing intelligence platform that helps growth leaders maximize revenue from paid media through full-funnel attribution, incrementality measurement, and automated budget allocation. Founded in 2018 to address the challenges of fragmented customer journeys and privacy restrictions, SegmentStream combines AI, incrementality testing, and marketing mix optimization to provide marketers with accurate, actionable insights for efficient and scalable growth. The platform offers key products including Cross-Channel Attribution, Automated Budget Allocation, Synthetic Conversions, Incrementality Testing, Predictive Lead Scoring, and Customer LTV Prediction. Trusted by over 100 global customers including L'Oréal Luxe, UniLodge, CarShop, and SimpliSafe, SegmentStream is VC-backed and partners with Google Cloud, Google Marketing Platform, Meta Business, and Microsoft Ads. The company provides personalized onboarding and ongoing expert support, targeting clients with a minimum ad spend of $50,000 per month, and offers flexible licensing with add-ons for CRM integration and advanced analytics.
Founded: 2018
Headquarters: London, United Kingdom
Product: AI-powered marketing measurement & optimization (cross-channel attribution, incrementality, budget allocation)
Customers: Trusted by 100+ global customers
Funding (total): 2,720,000 USD
Marketing measurement and optimization for multi-channel paid media under privacy constraints.
2018
Marketing technology / SaaS
Most recently disclosed round listed on company profiles.
“VC-backed (investors include R136 Ventures, Techstars, Fort Ross Ventures and angel/backer investors)”