Sitefire
YC W26San Francisco, US · Founded 2025 · 2 employees · Hiring · 1 known investors
Sitefire provides a marketing platform that helps brands increase their product visibility to AI agents and LLMs by generating and optimizing content discovered by these systems.
Also known as itefire · pulse
AI & Machine LearningEnterprise SoftwareMarketing TechArtificial IntelligenceAnalyticsMarketingGermanyEurope
Founders & leadership· Y Combinator alumni (W26)
Sitefire was founded in 2025 by Jochen Madler and Vincent Jeltsch.
JM
Jochen Madlerin𝕏Co-Founder, CEOHe studied finance in Germany and completed graduate work in reinforcement learning and optimization at Stanford, followed by a PhD from the Technical University Munich.
VJ
Vincent JeltschinCTO & Co-FounderVincent Jeltsch has a background in software engineering at RobCo and studied at CDTM in Germany. He previously worked on healthcare initiatives and is now CTO at Sitefire, focused on brand marketing solutions for AI agents.
Investors · 1
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Competitors · 5
by search overlap
Goodfire6 shared keywordsGoodfire is a research company developing interpretability tools to understand and design AI systems. The company focuses on making AI models more understandable, debuggable, and steerable through analysis of internal model structures.
Onfire5 shared keywordsOnfire is an AI revenue intelligence platform that identifies technical buyers by connecting first-party data with a proprietary graph of public engineer activity to surface ICP-fit accounts and high-intent prospects. It serves go-to-market teams selling software to technical audiences, integrating with existing CRM and outbound tools.
SignalFire4 shared keywordsSignalFire is a venture capital firm that backs early-stage startups, offering founders in-house AI/ML tooling, sector expertise, and portfolio support programs across go-to-market, recruiting, leadership, and fundraising. It combines capital with a proprietary data platform and hands-on operational help.
Moonfire3 shared keywordsMoonfire is a venture capital firm that uses machine learning and large language models to source and evaluate startup investments, backing early-stage founders across sectors. It operates an industry-agnostic investment strategy and builds internal software and ML tools to support its portfolio companies, LPs, and founders.
Buildfire3 shared keywordsBuildfire is a no-code platform for building, publishing, and managing native iOS and Android apps (plus progressive web apps) with a plugin marketplace and optional professional development services. It serves businesses, brands, agencies, and app resellers across industries such as education, sports, tourism, construction, and ecommerce.
Companies competing with Sitefire for the same Google search keywords, organic and paid, via search-intersection analysis.
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Frequently asked questions
- What does Sitefire do?
- Sitefire provides a marketing platform that helps brands increase their product visibility to AI agents and LLMs by generating and optimizing content discovered by these systems.
- Who founded Sitefire?
- Sitefire was founded by Jochen Madler, Vincent Jeltsch in 2025.
- Who are Sitefire's investors?
- Sitefire's investors include Y Combinator.
- Where is Sitefire headquartered?
- Sitefire is headquartered in San Francisco, US.