Clay valued at $7.1B in Series D led by Wellington

Clay, a software startup building AI agents for sales and marketing automation, closed a $115 million Series D financing round at a $7.1 billion valuation, Reuters reported on September 9, 2026.

The round was led by Wellington, with participation from venture and growth investors including Sequoia Capital, Andreessen Horowitz, StepStone, and Perennial, according to Clay's announcement. The company, which describes itself as "the AI go-to-market company," nearly doubled its valuation from its previous round, reflecting continued capital flow into the AI agent economy.

Automation at Scale for Go-to-Market Teams

Clay's platform automates repetitive sales and marketing tasks, enabling teams to focus on higher-level strategy and relationship-building. The startup positions itself as infrastructure for enterprises deploying AI agents across their revenue operations. The $115 million injection underscores investor confidence that agentic workflows—where AI systems independently execute business processes—represent a sustained value creation opportunity, not a speculative bubble.

Market Momentum for Agent Infrastructure

The funding comes as the broader AI agent sector attracts institutional capital at accelerating valuations. Wellington's leadership of the round signals confidence from a major growth-stage investor that Clay's go-to-market automation thesis can scale across enterprise verticals. The participation of repeat backers like Sequoia and new entrants like Perennial indicates broad consensus on the commercial viability of agent-driven sales and marketing tooling.

Clay's $7.1 billion valuation places it among the most highly valued agent-native startups. The company operates in a crowded but expanding category—firms building agent infrastructure for specific functions rather than general-purpose models. Its focus on automating high-volume, repetitive go-to-market activities aligns with enterprise priorities to reduce headcount and standardize workflows while maintaining personalization at scale.

Path to Revenue

The investment provides runway for Clay to deepen product capabilities, expand its sales team, and build enterprise partnerships. The company has not disclosed revenue figures, but the size of the round and investor pedigree suggest expectations of significant adoption among mid-market and enterprise customers. Wellington's participation as lead indicates conviction that Clay can achieve substantial annual recurring revenue within a defined time horizon.

The Series D valuation more than doubles Clay's prior round, a pattern consistent with strong customer traction and market demand for AI go-to-market agents. Whether the company sustains this trajectory will depend on documented customer retention, expansion within accounts, and its ability to defend against both larger platforms and specialized competitors as the agent economy matures.