In a move signaling growing investor confidence in AI-driven marketing automation, San Francisco-based startup Multiply has raised $9.5 million in funding to develop AI agents designed to keep B2B advertising campaigns fresh and effective over time.
The company, which has emerged from stealth mode, secured its funding round led by Mayfield, a prominent venture capital firm known for backing AI and tech startups. Multiply’s approach centers on treating ad creative not as a one-time deliverable, but as a continuous learning loop that adapts and evolves based on real-time performance data.
Revolutionizing B2B Ad Campaigns
Every B2B marketing team has faced the familiar frustration of launching a campaign with high hopes, only to watch it lose momentum as audiences tune out and click-through rates decline. Multiply aims to solve this problem by deploying AI agents that continuously monitor, analyze, and optimize ad content in real time. This dynamic approach allows campaigns to adapt to changing market conditions and audience behaviors, extending their lifespan and improving ROI.
AI as the Creative Partner
Unlike traditional advertising workflows where creative assets are static and updated quarterly, Multiply’s system treats advertising as an ongoing process. The AI agents learn from campaign performance metrics, audience engagement patterns, and even competitor activities to suggest or generate new ad variations. This continuous optimization ensures that B2B marketers can maintain relevance without constant manual intervention.
The startup’s model is particularly relevant in today’s fast-paced digital landscape, where ad fatigue and audience disengagement are common challenges. By automating the creative evolution of campaigns, Multiply positions itself at the intersection of AI innovation and marketing effectiveness.
Looking Ahead
With the new funding, Multiply plans to expand its team and accelerate product development, aiming to make its AI-driven ad optimization tools accessible to a broader range of B2B marketers. As the company continues to gain traction, its approach could redefine how businesses think about campaign longevity and performance in the digital advertising space.



