Observed Signal · Sep 15, 2026 · Funding · Source: techcrunch · Impact: 4/5 · Sentiment: Positive
Funding Market: AI search marketing startup Profound raises $180M Series D at $1.8B valuation
Profound, a marketing software startup that helps brands appear in AI search results, announced a $180 million Series D funding round at a $1.8 billion valuation, just seven months after its $96 million Series C. The round was co-led by Sequoia and Kleiner Perkins, with participation from existing investors Lightspeed Venture Partners, Khosla Ventures, and South Park Commons. The company, which launched two years ago as an analytics platform, now focuses on generative engine optimization (GEO) and answer engine optimization (AEO), helping businesses understand how AI systems influence consumer brand discovery. Profound reports revenue growth of 3x in the past six months and serves over 1,000 enterprise customers, including Comcast, The Estée Lauder Companies, and Walmart. The funding will likely support expansion and product development in the rapidly growing AI search optimization space.
This funding round highlights the growing importance of AI search optimization (GEO/AEO) in the marketing technology landscape, with a major startup reaching unicorn status, indicating significant market momentum and investment interest.
Key Takeaways & Evidence Grounding
- Profound raised $180 million in Series D funding.
- The valuation is $1.8 billion, making Profound a unicorn.
- Sequoia and Kleiner Perkins co-led the round.
- Existing investors including Lightspeed, Khosla, and South Park Commons participated.
- Profound's revenue has tripled in the past six months, with over 1,000 enterprise customers including Comcast, Estée Lauder, and Walmart.
Connected Companies & Entities
8 Entities mappedWalmart
Omnichannel retailer with marketplace, membership, B2B procurement and retail media.
“it now has more than 1,000 enterprise customers, which include Comcast, The Estée Lauder Companies, and Walmart....”
Profound
Software for measuring and improving brand visibility in AI search.
“Profound, which builds marketing software to help brands appear in AI search results, on Tuesday said it has raised a $180 million Series D....”
Sequoia Capital
Venture capital firm investing in technology companies across stages.
“Sequoia and Kleiner Perkins led the round....”
Estée Lauder Companies
Prestige beauty group selling skincare, make-up, fragrance and haircare.
“it now has more than 1,000 enterprise customers, which include Comcast, The Estée Lauder Companies, and Walmart....”
Khosla Ventures
Investor / PEVenture capital firm investing from seed to growth stages.
“existing investors — including Lightspeed Venture Partners, Khosla Ventures, and South Park Commons — also participated....”
Comcast
Broadband, streaming and premium video advertising technology group.
“it now has more than 1,000 enterprise customers, which include Comcast, The Estée Lauder Companies, and Walmart....”
Kleiner Perkins
US venture capital firm investing in technology startups.
“Sequoia and Kleiner Perkins led the round....”
Lightspeed Venture Partners
Global venture capital firm backing early and growth-stage companies.
“existing investors — including Lightspeed Venture Partners, Khosla Ventures, and South Park Commons — also participated....”
Ontology Mapping & Concepts
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