# GrowthX AI

> GrowthX AI is a San Francisco growth platform that blends AI workflows with forward-deployed human experts to turn content into compounding organic traffic and pipeline. Founded in 2024 by Marcel Santilli and Daniel Lopes, the company pioneered a 'services-as-software' model for SEO, AEO and content marketing, and counts Reddit, Webflow, Ramp, Superhuman, Abnormal Security and Bolt among its 40+ customers.

- **Founded:** 2024
- **Headquarters:** San Francisco, United States
- **Founders:** Marcel Santilli (Co-Founder & CEO), Daniel Lopes (Co-Founder & CTO)
- **Team size:** ~110 (Apollo); ~15 core operating team per company page
- **Products:** AI-Led Growth Engine, CheckThat.ai, Output.ai, GrowthX Labs (Maven cohort)
- **Notable:** Profitable before raising outside capital, Hit ~$7M ARR in under one year, Raised $12M Series A led by Madrona in May 2025

## Products & services

- **AI-Led Growth Engine** — Strategic mapping of high-impact SEO and AEO opportunities, custom AI workflows with human oversight, daily publishing and continuous optimization. Full-service starts at $18,000/month.
- **CheckThat.ai** — AI-assisted fact-checking and quality control layer for marketing content.
- **Output.ai** — Production tool for scaled content publishing inside the GrowthX engine.
- **GrowthX Labs (Maven cohort)** — Live course - 'Building an AI-Led Growth Engine' - taught by Marcel Santilli and Daniel Lopes.

## Achievements

- Profitable before raising outside capital
- Hit ~$7M ARR in under one year
- Raised $12M Series A led by Madrona in May 2025
- Customer list includes Reddit, Webflow, Ramp and Superhuman

## Latest updates

- **2025-05** — Announced $12M Series A led by Madrona.
- **2025-05** — Publicly disclosed Reddit, Webflow and Superhuman as customers.

## Links

- Website: https://growthx.ai
- LinkedIn: https://www.linkedin.com/company/growthx-ai

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Profile page: https://yespress.io/growthx-ai
Published by YesPress — https://yespress.io
Last updated: 2026-05-29