Companies
Notable
2017
201-500
- Summary
- Healthcare AI platform with agents for patient access, revenue cycle, care operations, and administrative workflow automation.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG Document AI AI Quality & Observability Traditional ML AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- Industries
- Healthcare
- HQ location
- San Mateo, CA, USA
- Founded
- 2017
- Website
- https://www.notablehealth.com/
Observe.AI
2017
Series C Plus
201-500
- Summary
- AI platform for contact centers combining CX automation, Voice AI agents, real-time agent assist, Auto QA and conversation intelligence.
- Segments
- AI Workflows AI Agents AI Developer Tools AI Quality & Observability Traditional ML AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- Industries
- Customer Support / CX
- HQ location
- San Francisco, CA, USA
- Founded
- 2017
- Website
- https://observe.ai/
Parloa
2018
Series C Plus
201-500
—
- Summary
- AI Agent Management Platform for enterprise customer service, with a strong voice-first focus for automating conversations in contact centers.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG AI Quality & Observability AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- HQ location
- Berlin, Germany; expanding in San Francisco and Madrid
- Founded
- 2018
- Website
- https://www.parloa.com/
Pegasystems
1983
Public
5001-10000
—
- Summary
- Public enterprise platform for AI-powered workflow automation, decisioning, CRM and process modernization.
- Segments
- AI Workflows AI Agents AI Developer Tools Document AI Traditional ML AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- HQ location
- Waltham, MA, USA
- Founded
- 1983
- Website
- https://www.pega.com
Regal
2020
Series B
51-200
- Summary
- Voice AI agent platform for enterprise CX, automating phone-based sales, support, operations and retention conversations.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG AI Quality & Observability Traditional ML AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- Industries
- Customer Support / CX Sales / GTM
- HQ location
- New York, NY, USA
- Founded
- 2020
- Website
- https://www.regal.ai/
Retell AI
2023
51-200
- Summary
- Developer and business platform for building, testing, deploying, and monitoring production voice AI agents for phone automation.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG AI Quality & Observability AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- Industries
- Customer Support / CX Sales / GTM
- HQ location
- San Francisco, CA, USA
- Founded
- 2023
- Website
- https://www.retellai.com
SalesAI
—
11-50
- Summary
- AI voice and messaging agents for answering inbound calls, qualifying leads, booking meetings, and automating sales/support conversations.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG AI Quality & Observability AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- Industries
- Customer Support / CX
- HQ location
- San Francisco, CA, USA
- Founded
- —
- Website
- https://www.salesai.com/
Sela AI
—
11-50
- Summary
- Purpose-built voice AI platform for mortgage borrower outreach, qualification, routing, and origination workflows.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG AI Quality & Observability AI Governance & Risk Call Analysis Voice AI Agents STT/TTS Infrastructure Analytics & BI
- Industries
- Financial Services
- HQ location
- San Francisco, CA, USA
- Founded
- —
- Website
- https://www.trysela.com/
Sierra
2023
201-500
- Summary
- Platform for building enterprise-grade customer service AI agents.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG AI Quality & Observability AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- Industries
- Customer Support / CX
- HQ location
- San Francisco, CA, USA
- Founded
- 2023
- Website
- https://sierra.ai/
Synthflow AI
2023
Series A
11-50
- Summary
- No-code platform for building AI voice agents.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG LLM Deployment AI Quality & Observability AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- Industries
- Customer Support / CX
- HQ location
- Berlin, Germany
- Founded
- 2023
- Website
- https://synthflow.ai
Talkdesk
2011
1001-5000
- Summary
- Customer Experience Automation platform with AI agents, observability, evaluation and simulation for CX operations.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG LLM Deployment AI Quality & Observability Traditional ML AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- Industries
- Customer Support / CX
- HQ location
- Palo Alto, CA, USA
- Founded
- 2011
- Website
- https://www.talkdesk.com/
Together AI
2022
Series B
201-500
—
- Summary
- AI-native cloud for training, fine-tuning, inference, and GPU clusters for open-source and custom models.
- Segments
- AI Workflows AI Agents LLM Fine-tuning AI Developer Tools Knowledge & RAG LLM Deployment AI Quality & Observability Traditional ML AI Governance & Risk STT/TTS Infrastructure
- HQ location
- San Francisco, CA, USA
- Founded
- 2022
- Website
- https://www.together.ai
Vapi
2023
Series B
51-200
—
- Summary
- Developer platform and infrastructure for building, deploying, and scaling conversational voice AI agents.
- Segments
- AI Workflows AI Agents AI Developer Tools Knowledge & RAG LLM Deployment AI Quality & Observability AI Governance & Risk Call Analysis Chatbots Voice AI Agents STT/TTS Infrastructure Analytics & BI
- HQ location
- San Francisco, CA, USA
- Founded
- 2023
- Website
- https://vapi.ai