What is Siro?
Siro operates at the intersection of artificial intelligence and sales performance management. The platform is specifically engineered to record and analyze in-person sales interactions, a traditionally opaque area of the sales cycle. By capturing nuanced data from field conversations, Siro provides actionable insights that allow organizations to refine their sales strategies, improve coaching efficacy, and ultimately drive higher conversion rates. As enterprises increasingly prioritize data-backed decision-making, Siro's ability to bridge the gap between field activity and digital analytics positions it as a leader in the revenue intelligence sector.
How much funding has Siro raised?
Siro has raised a total of $64M across 2 funding rounds:
Series A
$14M
Series B
$50M
Series A (2023): $14M, investors not publicly disclosed
Series B (2025): $50M led by Index Ventures, StepStone Group, SignalFire, and Fika Ventures
Key Investors in Siro
Index Ventures
Index Ventures is a global venture firm that partners with founders building enduring companies from seed to IPO, with a portfolio that includes industry-defining names like Adyen and Figma.
StepStone Group
StepStone Group is a global private markets investment firm providing customized investment solutions and advisory services to institutional clients, including pension funds and sovereign wealth funds.
SignalFire
SignalFire is a venture capital firm that utilizes a proprietary AI platform, Beacon AI, to provide data-driven support and market intelligence to early-stage companies.
What's next for Siro?
With this major enterprise-level funding, Siro is well-positioned to accelerate its product roadmap and expand its market footprint. The capital will likely be deployed toward enhancing the platform's machine learning capabilities, enabling deeper linguistic and behavioral analysis of sales interactions. Furthermore, the company is expected to scale its go-to-market operations to meet the growing demand for sophisticated sales coaching tools. As Siro matures, the focus will shift toward integrating its insights more deeply into existing CRM ecosystems, ensuring that field-generated data becomes a cornerstone of enterprise-wide revenue operations.
See full Siro company page
