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§ Private Profile · New York City, NY, USA
AI marketing and Generative Engine Optimization company optimizing brand visibility and reputation in AI search engines for brands and agencies.
Evertune is a generative engine optimization and artificial intelligence marketing company that measures and optimizes brand visibility across modern AI search platforms. The software platform analyzes over one million AI responses monthly per customer to track corporate reputation and discoverability across major systems like ChatGPT, Gemini, Claude, and Perplexity. Operating on a usage-based pricing model, the business provides advertisers and agencies with specialized tools including an AI Brand Index, website optimization services, and an AI Content Studio. Following its commercial launch in late 2024, the enterprise has raised a total of $19 million in venture capital, including a $4 million seed round and a $15 million Series A financing led by Felicis Ventures, with participation from Eniac Ventures and NextView Ventures. Evertune was officially founded in 2024 by Brian Stempeck, Ed Chater, and Poul Costinsky.
Evertune has raised $19.8M across 3 funding rounds.
Evertune has raised $19.8M in total across 3 funding rounds.
Evertune has raised $19.8M in total across 3 funding rounds.
Evertune's investors include Peter Deng, ENIAC Ventures, NextView Ventures, Roger Ehrenberg, Chip Ransler, David A., Jonathan Carson, Joseph Spisak, Sarfraz Maredia, Sonia Phene, Clearstone, Brock Pierce.
Evertune has raised $19.8M across 3 funding rounds. Most recently, it raised $15.0M Series A in August 2025.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Aug 1, 2025 | $15M Series A | Peter Deng | Eniac Ventures, NextView Ventures, Roger Ehrenberg, Chip Ransler, David A., Jonathan Carson, Joseph Spisak, Sarfraz Maredia, Sonia Phene | Announced |
| Oct 1, 2024 | $4M Seed | — | Eniac Ventures, NextView Ventures, Roger Ehrenberg | Announced |
| May 1, 2010 | $800K Seed | — | Clearstone, Brock Pierce, Dave Weiderman, Mark Chayet, William Quigley | Announced |
Evertune is a Generative Engine Optimization (GEO) platform that analyzes millions of AI responses to help brands monitor visibility, gain competitive intelligence, and optimize presence in AI search engines like ChatGPT, Gemini, Claude, Perplexity, and others.[1][2][4] It serves marketers, advertisers, and enterprises by solving the problem of understanding and influencing how large language models (LLMs) portray brands amid shifting consumer search behaviors from traditional links to AI-generated answers.[1][2][5] Founded in April 2024 by Trade Desk veterans, Evertune emerged from stealth with $4M seed funding and raised a $15M Series A in August 2025, signaling strong growth momentum as a 30-person Series A startup building AI marketing infrastructure.[1][2][3][4]
The platform processes over one million AI responses monthly per brand using applied AI and data science, delivering statistical insights, brand monitoring, and actionable content strategies tailored to LLM behaviors.[2][4] Unlike content-generation tools, Evertune focuses on analytics via API-level access to models, enabling precise measurement and optimization for enterprise-scale use.[1][4][5]
Evertune was founded in April 2024 by CEO Brian Stempeck, COO Ed Chater, and CTO Poul Costinsky, all alumni of The Trade Desk, where they pioneered programmatic advertising and contributed to its growth from startup to a $50B market cap IPO in 2016.[1][3][5] Stempeck, an early commercial executive at The Trade Desk, drew inspiration from his personal experience using ChatGPT for car research, realizing brands needed tools to track and shape LLM recommendations as consumers shifted to AI for decisions.[1][5]
Chater and Costinsky first collaborated at AdBrain on machine learning for identity graphs, which The Trade Desk acquired in 2017, uniting the trio.[3] Their shared expertise in AI, marketing, and ad tech fueled Evertune's launch to address the "incredibly important marketing channel" of LLMs.[1][3] Early traction included a $4M seed round led by Eniac Ventures with NextView Ventures and angel Roger Ehrenberg (ex-Trade Desk), followed by commercial launch and Series A scaling.[1][4][5]
Evertune rides the trend of Generative Engine Optimization (GEO) and AI-driven search disruption, where consumers increasingly use chatbots for purchases, bypassing traditional SEO and links.[1][2][4] Timing is critical as search shifts to answers from LLMs, creating urgency for brands to measure AI visibility—Evertune's API-scale data fills a gap in accurate, enterprise-grade monitoring amid fragmented model behaviors.[1][4][5]
Market forces like rapid AI adoption in marketing favor Evertune, with investors like ex-OpenAI leaders betting on its measurement edge: "If you're not measuring correctly, your actions won't be effective."[4] It influences the ecosystem by defining GEO infrastructure, akin to how its founders shaped programmatic ads, enabling brands to adapt to AI as the new discovery layer.[2][3]
Evertune is positioned to dominate AI marketing analytics as GEO becomes table stakes, with its Series A fueling platform expansion, deeper model integrations, and automated optimization.[4] Trends like multimodal AI, enterprise AI budgets, and search fragmentation will amplify demand, potentially evolving Evertune into a full-stack AI ad stack leader.[2][4] Expect aggressive hiring (from 30 to 100+), custom enterprise tools, and M&A interest, mirroring The Trade Desk's trajectory—watch for IPO signals by 2028 as AI search matures.[2][3] This stealth-to-Series A sprint underscores Evertune's role in powering brands for an LLM-defined future.[1][4]