Profound, a startup that develops marketing software designed to help brands gain visibility within AI-powered search results, announced on Tuesday that it has closed a $180 million Series D funding round, valuing the company at $1.8 billion. The raise comes less than seven months after the company secured a $96 million Series C, marking a rapid acceleration in investor confidence and pushing Profound into unicorn territory.

The latest round was co-led by Sequoia and Kleiner Perkins, with continued backing from existing investors including Lightspeed Venture Partners, Khosla Ventures, and South Park Commons. The participation of returning investors alongside two of Silicon Valley's most prominent venture firms signals sustained conviction in the company's direction and growth trajectory.

From Analytics Platform to AI Marketing Suite

Founded two years ago, Profound initially launched as an analytics platform before broadening its scope considerably. The company now offers tools that help businesses conduct research and develop marketing strategies specifically tailored to the way AI systems surface and present information to users. Its core focus is on enabling brands to understand and influence how AI-driven platforms introduce their products and services to consumers during the discovery phase.

This positions Profound squarely within an emerging and increasingly competitive segment of the marketing technology industry. The company operates in what the industry refers to as the GEO and AEO space - generative engine optimization and answer engine optimization, respectively. These disciplines involve strategies companies use to ensure their products and services appear prominently within the outputs of AI-powered search and assistant tools, which are rapidly becoming a primary channel through which consumers find information and make purchasing decisions.

Strong Revenue Growth and Enterprise Adoption

Profound reports that its revenue has tripled over the past six months, a figure that helps explain the speed and scale of its latest fundraise. The company also disclosed that it now serves more than 1,000 enterprise customers, a roster that includes major corporations such as Comcast, The Estée Lauder Companies, and Walmart. The presence of large, established brands among its clientele underscores the growing urgency among major businesses to develop coherent strategies for AI-driven discovery.

The broader trend Profound is riding reflects a fundamental shift in how consumers search for products and information. As tools powered by large language models become more widely used for everyday queries, traditional search engine optimization strategies are proving insufficient on their own. Brands are now seeking new frameworks and platforms that can help them remain visible and relevant within these AI-generated responses, creating a significant market opportunity for companies like Profound that are building purpose-built solutions for this challenge.

With $180 million in fresh capital and a valuation that has now crossed the billion-dollar threshold, Profound appears well-positioned to expand its platform capabilities and deepen its foothold among enterprise clients navigating this shift in the digital marketing landscape.