Problem

Cold calling is economically inefficient: low pickup rates mean sales representatives spend substantial time dialing, while the reps who do reach prospects may still fail to convert them effectively. The administrative work around choosing prospects, logging calls, writing notes, recording dispositions, and handling voicemails further reduces selling time. Trellus’s YC launch materials identify the cost of incumbent parallel dialers—often as much as $300 per representative per month—as an additional pain point.

The core use case is helping SDR and outbound sales teams turn more of an existing prospect list into live conversations and booked meetings. Trellus targets the two main bottlenecks simultaneously: increasing call volume when pickup rates are low and improving the quality of conversations when a prospect answers.

Product / Service

Trellus is an embedded AI sales copilot delivered through a Chrome extension and integrations with sales engagement platforms and CRMs. Its Power and Parallel Dialer products let reps dial directly inside tools such as Salesloft, Outreach, HubSpot, Apollo, Salesforce, Google Sheets, and other supported platforms. The system can dial up to five lines at once, choose or progress through contacts, drop voicemails, hang up on voicemails, record notes and dispositions, and provide real-time transcription, reducing context switching and routine call administration.

The coaching layer listens for events in a live conversation and gives action-oriented guidance, including help with objections, competitor positioning, discovery, and next steps. Trellus also offers voice agents for inbound routing, data collection, appointment setting, support questions, and rep practice. Individuals can start through self-serve Power or Parallel plans, while teams can purchase a custom Business plan with tailored research, real-time coaching, analytics, reporting, and AI modeling.

Market

Trellus competes in AI sales-assistant and sales-engagement software, specifically the market for outbound calling automation, parallel dialers, and real-time conversation intelligence for SDR and AE teams. Nooks is a prominent competitor focused on high-volume parallel dialing and a virtual sales floor, while Orum is positioned primarily as a dialing platform. Trellus differentiates around embedding both dialing and live coaching into the customer’s existing CRM or sales engagement workflow rather than requiring a separate destination application; Balto is an adjacent competitor in AI call coaching.

Trellus is commercially launched rather than merely a prototype: it was founded in 2022, participated in Y Combinator’s Winter 2022 batch, offers paid self-serve and custom team plans, and its YC profile says more than 400 representatives had joined. The company’s site lists users or representatives at organizations including Citrix, Azuga, Birdeye, Cognism, AlphaSense, UserZoom, Grin, Visme, and Algolia. G2 lists 14 reviews with a 4.8/5 rating, and Trellus reports that users have achieved two- to three-times more dials and 25%–50% or greater increases in meeting-booked conversion rates. The sources reviewed do not disclose revenue, ARR, or a verified customer count, so the company’s financial scale and precise revenue stage remain unclear.