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Trace Margin

Market data and deal flow

Sources

Trace Margin research deskSection 10Page 9 of 9Last updated

All sources were reviewed for this report on 23 October 2026. Event dates and observation dates are distinguished in the text. Supplier publications remain supplier evidence, including when distributed through a press-release service.

Market estimates

  1. Grand View Research — AI Voice Agents Market, 2026–2033. https://www.grandviewresearch.com/industry-analysis/ai-voice-agents-market-report (grandviewresearch.com)
  2. Meticulous Research — Voice AI Agents Market, October 2026. https://www.meticulousresearch.com/product/voice-ai-agents-market-6938 (meticulousresearch.com)

Public prices

  1. Retell AI — pricing and component charges. https://www.retellai.com/pricing (retellai.com)
  2. Vapi — hosting, support packages and add-ons. https://vapi.ai/pricing (vapi.ai)
  3. Bland AI — pricing and telephony exclusions. https://www.bland.ai/pricing (bland.ai)
  4. Goodcall — current unique-customer plans. https://www.goodcall.com/pricing (goodcall.com)
  5. Smith.ai — AI Receptionist pricing. https://smith.ai/pricing/ai-receptionist (smith.ai)
  6. Smith.ai — human receptionist pricing. https://smith.ai/pricing/receptionists (smith.ai)
  7. Twilio — US Programmable Voice pricing. https://www.twilio.com/en-us/voice/pricing/us (twilio.com)

Financing, acquisitions and corporate activity

  1. PolyAI — Series D announcement, 15 December 2025. https://poly.ai/blog/polyai-raises-86m-to-transform-how-enterprises-talk-to-their-customers (poly.ai)
  2. Deepgram — Series C and OfOne acquisition, 13 January 2026. https://deepgram.com/learn/press-release-deepgram-raises-series-c (deepgram.com)
  3. Parloa — Series D announcement, 15 January 2026. https://www.parloa.com/parloa-in-the-press/parloa-valued-at-3-billion-with-350m-series-d/ (parloa.com)
  4. ElevenLabs — Series D announcement, 4 February 2026. https://elevenlabs.io/blog/series-d (elevenlabs.io)
  5. Avoca via PR Newswire — cumulative financing announcement, 27 April 2026. https://www.prnewswire.com/news-releases/avoca-raises-125m-at-1b-valuation-to-power-americas-services-economy-with-ai-302753962.html (prnewswire.com)
  6. Vapi via GlobeNewswire — Series B announcement, 12 May 2026. https://www.globenewswire.com/news-release/2026/05/12/3292882/0/en/vapi-raises-50m-series-b-as-it-reaches-1-billion-calls-powering-the-next-generation-of-enterprise-voice-ai.html (globenewswire.com)
  7. Fierce Healthcare — Assort Health financing and executive interview, 24 June 2026. https://www.fiercehealthcare.com/ai-and-machine-learning/assort-health-scores-120m-series-c-scale-voice-ai-agent-platform-healthcare (fiercehealthcare.com)
  8. ElevenLabs — employee tender and operating update, 30 September 2026; updated 5 October. https://elevenlabs.io/blog/tender-22bn (elevenlabs.io)
  9. Fierce Healthcare — Confido extension and reported closing timing, 14 October 2026. https://www.fiercehealthcare.com/ai-and-machine-learning/confido-health-expands-beyond-voice-ai-agentic-platform-medical-practices (fiercehealthcare.com)
  10. NiCE — Cognigy acquisition announcement, 28 July 2025. https://www.nice.com/press-releases/nice-to-acquire-cognigy-advancing-the-leading-cx-ai-platform-to-accelerate-ai-first-customer-experience (nice.com)
  11. NiCE — acquisition closing announcement, 8 September 2025. https://resources.nice.com/wp-content/uploads/2025/09/6k-sep-8-2025.pdf (resources.nice.com)

Deployment and operating evidence

  1. Vapi — founder operating update, 12 May 2026. https://vapi.ai/blog/series-b (vapi.ai)
  2. ServiceTitan — Bill Joplin’s HVAC case announcement, 9 June 2026. https://www.servicetitan.com/press/bill-joplins-air-conditioning-and-heating-books-over-90-of-calls-with-servicetitan-ai-voice-agent (servicetitan.com)
  3. Arini — Unified Dental Care case study, undated. https://www.arini.ai/case-study/how-arini-enabled-rapid-growth-in-record-time-and-booked-1m-in-production-for-unified-dental-care (arini.ai)
  4. ServiceTitan — ARC Electric podcast and episode notes, 14 May 2026. https://www.servicetitan.com/podcasts/mastering-servicetitan/liz-larson-interview (servicetitan.com)
  5. Assort Health — Agent Support Engineer vacancy, observed 23 October 2026. https://jobs.ashbyhq.com/assorthealth/3c2f9dcd-5c93-4401-8b5f-2d80f1b7252c (jobs.ashbyhq.com)
  6. Assort Health — dated press index. https://www.assorthealth.com/press (assorthealth.com)

Regulatory foundations

  1. FCC — FCC 24-84, discussing the 8 February 2024 AI-voice declaratory ruling. https://docs.fcc.gov/public/attachments/FCC-24-84A1.pdf (docs.fcc.gov)
  2. HHS — Guidance on HIPAA and Cloud Computing. https://www.hhs.gov/hipaa/for-professionals/special-topics/health-information-technology/cloud-computing/index.html (hhs.gov)