Fuse Wire
YC W25  FuseAI joins Y Combinator's Winter 2025 batch ONE STACK  Data, enrichment, email, LinkedIn, dialer & signals in a single system SETUP  10 minutes, not 10 weeks PRICING  Plans from $159/mo, credit-based DATA  Pay only for verified emails that don't bounce FOUNDERS  Ex-Deel operator + ex-SAP ML engineer GOAL  One rep doing the work of five
Company Profile  /  AI & Sales  /  San Francisco

FuseAI Wants to Delete the Ten-Tab Sales Stack

The Y Combinator W25 startup folds data, enrichment, email, LinkedIn, dialing, and buying signals into one AI-native platform. The pitch is subtraction: fewer tools, run by agents, so one rep can do the work of five.

Ask a modern sales rep to show you their screen and you will usually find a browser drowning in tabs. One for the data provider. One for enrichment. Another for the email sequencer, another for LinkedIn automation, a dialer somewhere, a spreadsheet holding it all together, and a signals tool nobody quite remembers paying for. The average outbound team runs on five to ten of these, stitched together by hand. FuseAI thinks that is the actual product problem worth solving - not another feature, but the seams themselves.

FuseAI - which operates as Fuse at tryfuse.ai - is a San Francisco company in Y Combinator's Winter 2025 batch. It describes itself as an AI-native sales platform for outbound revenue teams. The short version of the pitch, in the founders' own framing, is "Salesforce meets an AI operator": a single system where you type what you want in plain language and AI agents go do it - build a targeted lead list, research the prospects, enrich the contacts, write the messages, and work them across email, LinkedIn, and the phone.

"The AI-native sales platform for modern revenue teams - built for high-performance outbound." How FuseAI describes itself

01 / The ProblemTen tools, one motion

Outbound sales has quietly become an integration project. Each tool in the stack solves a slice - a data vendor here, a deliverability service there - and the rep becomes the middleware, copying records between systems and hoping nothing breaks. That fragmentation costs money in subscriptions and, more expensively, in time. Every hour spent gluing tools together is an hour not spent talking to a buyer.

Fuse's answer is consolidation. Instead of shipping one more point tool, it puts the whole motion under one roof: verified contact data, waterfall enrichment, email and LinkedIn automation, deliverability infrastructure, a parallel dialer, and real-time buying signals. The claim attached to that design is concrete - setup takes ten minutes instead of ten weeks.

There is a second cost to fragmentation that rarely shows up on an invoice: context loss. When a lead lives in one tool, the enrichment in another, and the message history in a third, no single system knows the full story of a prospect. An agent built to run the motion end-to-end has that context by default, which is part of why Fuse insists the platform be the operating layer rather than a thin wrapper over tools it does not own.

The usual stack

Data provider Enrichment tool Email sequencer LinkedIn automation Deliverability service Parallel dialer Signals / intent

The Fuse idea

Fuse
one platform · one login · one bill
Subtraction as strategy. Seven tools become one. The busywork between them - the copying, exporting, and reconciling - is what disappears.

02 / The ProductRun outbound from a prompt

The centerpiece is Fuse Agent, the layer that turns a natural-language instruction into completed work. Point it at a market and it discovers leads by intent, enriches them, and drafts context-aware messages designed to read like a human wrote them. Two details stand out. First, the data is waterfall-enriched from more than twenty providers, and Fuse charges only for validated emails that actually land - a "pay for what works" twist in an industry that usually bills for raw records regardless of quality. Second, it watches real-time buying signals, so outreach can be timed to when a prospect is actually in-market rather than fired off blindly.

20+
Data providers, waterfall-enriched
90%+
Stated email & phone accuracy
10 min
Setup vs. 10 weeks
4
Channels: email · LinkedIn · phone · signals

It is worth being precise about what these numbers are: figures the company publishes about its own platform, not independently audited benchmarks. Still, they describe the shape of the bet clearly enough. Fuse is optimizing for the buyer's real cost - deliverable contacts, timely touches - rather than the vendor's line-item count.

"Think Salesforce meets an AI operator, able to complete any sales workflow through a simple prompt." The Fuse framing of Fuse Agent

03 / The FoundersAn operator and an engineer

Fuse was founded in 2024 by two people who arrived at the problem from opposite ends. Saurav Bubber, the CEO, spent his most recent chapter on the go-to-market strategy and operations team at Deel, where he had a front-row seat as the company scaled from around $50M to more than $600M in annual recurring revenue. That is the vantage point of someone who has felt outbound tooling break at scale, then left to build the version he wished existed.

Imogen Low, the CTO, brings the machine-learning depth. She joined SAP's innovation team as an engineer at 17, worked on NLP and ML across Asia Pacific, and co-founded her first AI startup, NWO.ai, at 21 - a venture-backed company that analyzed unstructured data to forecast consumer trends before being acquired. The pairing is the classic YC shape: someone who lived the customer's pain, and someone who can build the system to remove it.

Co-Founder & CEO
Saurav Bubber

Former GTM strategy & operations at Deel, through its run from ~$50M to $600M+ ARR. The operator half of the pair.

Co-Founder & CTO
Imogen Low

ML engineer at SAP at 17; co-founded and served as CTO of NWO.ai at 21. The systems-builder half.

04 / The BusinessPriced to replace a stack

Fuse sells as B2B SaaS on a credit model, and the pricing tells you who it is for. The entry tier, Launch, is $159 a month for a single seat and 60,000 credits - roughly the price of one of the point tools it aims to replace. Scale runs $399 for five seats, Copilot $799, and Enterprise is custom with unlimited credits. The logic is straightforward: if one subscription can stand in for the five-to-ten you were paying for separately, the math favors consolidation.

$159
Launch
1 seat
$399
Scale
5 seats
$799
Copilot
5 seats
Custom
Enterprise
unlimited
Monthly plans, credit-based. Bars scale to list price; Enterprise is custom and shown for context. Figures published by Fuse.

The early customers are startups and enterprises running outbound - SDRs, account executives, founders selling their own product, and revenue-operations teams. Named voices on the site include Rob Thayer of Blackfin Square Group, Arman of Vetnio, and Adam Cohen of Weave. As an early-stage company with a team of roughly eight to twelve, Fuse is at the stage where each logo still counts individually.

05 / The MarketA crowded room, entered sideways

Sales tooling is not an empty field. Fuse steps into a room that already holds Apollo, Clay, Outreach, Salesloft, ZoomInfo, Instantly, and the incumbent CRMs. What separates it is less any single feature than the architectural choice underneath. Most "AI for sales" products bolt a chatbot onto an existing CRM or automate one channel well. Fuse is built agent-first and consolidation-first - the AI is the operating layer, not an add-on, and the value proposition is the collapse of the stack rather than the polish of one slice.

The stated ambition scales from there. The near-term benchmark is enabling a rep to close far more than the traditional ~$1M SaaS target - the company frames it as one salesperson doing the work of five. The longer roadmap is sequenced deliberately: nail outbound first, then expand into inbound sales, revenue operations, account management, and marketing. Focus now, platform later - the order most startups get backwards.

"Setup takes 10 minutes instead of 10 weeks." A design constraint, stated as a promise

There is a timing argument in Fuse's favor, too. Buyers who once tolerated a shelf of specialized tools are now consolidating spend, and reps who grew up with chat interfaces are comfortable telling software what to do in plain sentences. A platform that reads as "one login instead of ten" and "type what you want" lands differently in 2026 than the same idea would have a few years ago, when the underlying models could not reliably carry a workflow from prompt to completed action.

Whether Fuse can hold that consolidation promise as it grows is the open question - integration is easy to pitch and hard to sustain across a widening surface area, and each new GTM vertical the roadmap names is another set of edge cases to absorb. But the thesis is legible and the wedge is sharp: find the workflow where users pay for five overlapping tools, and make it one that runs on a sentence. For a Winter 2025 team a year into the work, that is a clear place to start.

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