SuperDial Raises $15 Million in Series A

SuperDial Raises $15 Million in Series A

SuperDial, a San Francisco, CA-based voice AI company, has raised $15 million in Series A funding, bringing its total raised to over $20 million.

The round was led by SignalFire, with participation from Slow Ventures, BoxGroup, and Scrub Capital, and includes $3 million in venture debt.

Founded in 2013 and based in San Francisco, California, SignalFire is a venture capital firm with approximately $3B in assets under management. It invests in applied AI companies from pre-seed to Series B in key sectors in healthcare, cybersecurity, infrastructure, consumer, and other enterprise verticals.

The company will use the funding to support R&D, go-to-market initiatives, and deeper integrations within the healthcare infrastructure.

Founded by Sam Schwager and Harrison Caruthers, SuperDial is a voice AI company that automates high-volume outbound calls to insurance companies for healthcare providers and billing teams. Its AI agents handle benefits verification, prior authorization, claims follow-up, credentialing, and more, freeing up revenue cycle teams to focus on what matters. Headquartered in San Francisco, CA, with an additional office in New York, NY, Superdial serves billing companies and provider organizations.

Funding Details

Company: SuperDial

Raised: $15.0M

Round: Series A (equity + $3M venture debt)

Funding Date: June 2025

Lead Investor: SignalFire

Additional Investors: Slow Ventures, BoxGroup, Scrub Capital

Company Website: https://www.superdial.com/

Software Category: Voice AI / Healthcare RCM Automation