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throxy (YC X25) — Vertical AI agents running B2B outbound on autopilot, with human SDRs

throxy builds custom vertical AI agents and pairs them with human SDRs and ultra personalised email sequences to book meetings for B2B software companies selling into traditional industries (e.g. manufacturing, logistics, construction, supply chain) Outbound is broken. Generic automation gets ignored and decision-makers in legacy sectors are hard to reach.

throxy is a Y Combinator company in the Spring 2025 batch. Its directory entry describes it as: Vertical AI agents running B2B outbound on autopilot, with human SDRs. The founders listed are Arnau Ayerbe Garcia (Founder/CEO), Pablo Jimenez de Parga Ramos (Founder) (Y Combinator directory entry, April 24, 2025).

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throxy

New accelerator entry · 2025-04-24 · the record

Spring 2025
batch
55
people
Early
stage
United Kingdom
region
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What the record says

BatchSpring 2025
Announced2025-04-24
StageEarly
StatusActive
Team size55
IndustryB2B
Sub-industryB2B -> Sales
SectorsArtificial Intelligence, B2B, Sales, Automation
RegionsUnited Kingdom, Europe
BasedLondon, England, United Kingdom
HiringYes
Sitehttps://throxy.com/

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Also in YC Spring 2025

Same batch, B2B first.

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In their words

throxy builds custom vertical AI agents and pairs them with human SDRs and ultra personalised email sequences to book meetings for B2B software companies selling into traditional industries (e.g. manufacturing, logistics, construction, supply chain) Outbound is broken. Generic automation gets ignored and decision-makers in legacy sectors are hard to reach. Most of your TAM isn't even on LinkedIn, and tools like Clay, Apollo, and ZoomInfo only cover about 65% of the market. throxy fixes this by running bespoke, fully managed outbound systems for software sales teams trying to crack these industries. We use proprietary scraping tools to map your entire addressable market, then combine AI agents with human experts to deliver hyper-personalised email campaigns and human cold calling that is consistently generating six-figure qualified pipelines. Since 2023, throxy has powered outbound for B2B software companies, from industrial SaaS to fintech providers, replacing the need for internal SDR teams or stacks of tools with a solution that outperforms on both speed and quality. Today, we have a team of 55 across London and Cape Town, booking on average 8 to 12 qualified meetings per month per client, with some clients seeing 20+ in their first weeks after we doubled down on human-led cold calling. AI handles the data: building custom databases, scoring leads against your ICP, and personalising outreach at scale. Humans handle the conversations: real cold calls, real emails, real relationships. That's the difference between us and every AI SDR on the market. Our founding team has built AI at JP Morgan, scaled businesses from age 14, and led enterprise sales from Seed to Series D. We're not just automating outbound, we're redefining what sales execution looks like for software companies selling into traditional industries. throxy is the "AI SDR" purpose-built for the sectors software forgot.

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throxy: Accepted into Y Combinator Spring 2025
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Permanent URL: https://mentionfox.com/funding/yc-throxy
Last updated 2026-10-20
Primary record: Y Combinator directory entry
throxy (YC X25) — Vertical AI agents running B2B outbound on autopilot, with human SDRs. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-throxy