Siro: Empowering Field Sales with AI through SignalFire's $50M Series B

Deal News | May 21, 2025 | Signalfire Management Services

Siro: Empowering Field Sales with AI through SignalFire's $50M Series B

SignalFire is spearheading a $50 million Series B funding round for Siro, a company developing cutting-edge AI-powered solutions for field sales representatives. Unlike enterprise counterparts, field sales reps like door-to-door and in-person sellers often rely on hand-written notes and lack digital support in their customer interactions. Siro addresses this gap by providing a mobile-first AI platform that records, transcribes, and analyzes sales conversations, allowing managers to gain insights and coach reps effectively. This technology significantly boosts close rates and reduces rep turnover. Siro's platform leverages large language models to discern conversation patterns, thus enhancing sales performance. The initiative is part of a broader goal to digitize offline sales interactions, creating valuable data for varied business insights. SignalFire's investment in Siro underscores its commitment to companies that build vertical-specific data moats and emphasizes the transformative potential of AI in field sales.

Sectors

  • Artificial Intelligence
  • Sales and Marketing
  • Venture Capital

Geography

  • United States – Both SignalFire and Siro are based in the U.S., and the funding activity pertains to these U.S.-based firms.

Industry

  • Artificial Intelligence – Siro's use of AI to record, transcribe, and analyze sales conversations for field sales representatives.
  • Sales and Marketing – The focus on equipping field sales reps with AI tools to enhance performance and sales outcomes.
  • Venture Capital – SignalFire's role in leading the $50 million Series B funding for Siro.

Financials

  • $50 million – The amount raised by Siro in its Series B funding round led by SignalFire.

Participants

NameRoleTypeDescription
SignalFire Management ServicesLead Investor in Series BCompanyA venture capital firm leading the Series B funding for Siro to enhance field sales with AI.
SiroTarget CompanyCompanyA company developing AI-powered tools to enhance field sales performance.
Jake CroninFounderPersonFounder of Siro, identifying the gap between field and inside sales and developing tools for field sales reps.