MentionFox lists 528 AI agent companies. Of them, 496 are Y Combinator companies (the newest batch here is Summer 2027, with 1); 31 filed a Form D notice with the SEC; 1 won an SBIR or STTR award.
Companies528
Y Combinator496
Form D filers31
SBIR/STTR winners1
By year
- 2026: 168 companies (138 Y Combinator, 30 Form D filers); median amount sold $1.6M across 30 Form D notices
- 2025: 134 companies (132 Y Combinator, 1 Form D filer, 1 SBIR/STTR winner)
- 2024: 92 companies (92 Y Combinator)
- 2023: 53 companies (53 Y Combinator)
- 2022: 41 companies (41 Y Combinator)
AI agent startups from other years
Companies from before 2020, or from a year with fewer than 15 of them. Every other year has its own full list, linked above.
| Company | What it does | Date | Amount | Round / stage | Record |
|---|---|---|---|---|---|
| Memorable | Self-evolving workflows for AI agents | Summer 2027 | Y Combinator batch | Y Combinator listing | |
| Anakin | One API to get clean data from any website for your AI agents at scale | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| ContraForce | Security Delivery Platform to orchestrate AI agents for Service… | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Dailybot | Make all team work visible — people and AI agents | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Hyperbrowser | Web infra for AI agents | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| idemeum | AI-powered Application Control | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Sequin | Sequin is building AI Voice Agents to automate collections calls for… | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Sleek | Browser automation for businesses. | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Sully | Autonomous team of AI agents that runs the entire hospital operations | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Tiriel AI | The AI workforce for freight dispatch | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Varos | AI Business Analysts to gather requirements and optimize processes | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Vogent | Build Voice AI Agents | Summer 2021 | Y Combinator batch | Y Combinator listing | |
| Avocado | AI-Native Restaurant POS | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| OpenCode | The open source AI coding agent | Winter 2021 | Y Combinator batch | Y Combinator listing | |
| Command AI | AI-powered user assistance platform | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Dataland | AI agents for customer support. | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Mailwarm | Prevents your emails from landing in spam. | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Swif.ai | Manage every device | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Taktile | Transform your decision-making with reliable AI agents in weeks, not… | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Airbyte | Context layer for production-grade AI agents | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| Oda | AI Agent for Home Design | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| QueryPie AI | QueryPie AIP - Enterprise Ready Agentic AI Platform | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| Skypher | AI agent for Compliance Questionnaires Automation | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| zeroheight | The design system layer for coding agents | Summer 2019 | Y Combinator batch | Y Combinator listing | |
| Axel Travel | AI agent that saves you money on travel | Winter 2019 | Y Combinator batch | Y Combinator listing | |
| Bunkerhill Health | Bunkerhill is the agentic AI platform for health systems | Winter 2019 | Y Combinator batch | Y Combinator listing | |
| Cosmic | Cosmic is an AI-powered headless CMS | Winter 2019 | Y Combinator batch | Y Combinator listing | |
| Hatch | The AI CSR Platform | Winter 2019 | Y Combinator batch | Y Combinator listing | |
| Mutiny | Your AI agent for creating anything customer-facing, in minutes. | Summer 2018 | Y Combinator batch | Y Combinator listing | |
| Prodigal | Lending Intelligence Software | Summer 2018 | Y Combinator batch | Y Combinator listing | |
| Slite | The self-maintaining knowledge base | Winter 2018 | Y Combinator batch | Y Combinator listing | |
| Jerry | Jerry is building the AI agent to manage all your physical assets. | Summer 2017 | Y Combinator batch | Y Combinator listing | |
| NanoNets | Automatic Data Extraction | Winter 2017 | Y Combinator batch | Y Combinator listing | |
| OneChronos | The Smart Market for Institutional Investors | Summer 2016 | Y Combinator batch | Y Combinator listing | |
| Daily | Conversational Voice and Multimodal AI built with Open Source | Winter 2016 | Y Combinator batch | Y Combinator listing | |
| Luciq (formerly Instabug) | Agentic Observability Platform for Mobile | Winter 2016 | Y Combinator batch | Y Combinator listing | |
| Sendbird | The AI agent that doesn’t just support, it delights. | Winter 2016 | Y Combinator batch | Y Combinator listing | |
| UserGems | The AI Command Center for outbound and ABM | Summer 2014 | Y Combinator batch | Y Combinator listing | |
| Plivo | Voice AI Agents for customer engagement, including WhatsApp, SMS &… | Summer 2012 | Y Combinator batch | Y Combinator listing | |
| Olark | Olark gives you an AI agent that works your marketing funnel 24/7 | Summer 2009 | Y Combinator batch | Y Combinator listing |
Selling to these companies?
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Figures come only from the record linked in each row; a blank means the record gives none. How these lists are built.