Winnow finds and scores the accounts worth chasing, researches the buyers inside them, and writes the outreach. One workflow, from a blank page to a ready campaign, in under a minute.
Every claim sourced. Every lead you can defend. Nothing sends without your approval.
One platform, the whole motion
TAM, SAM, and who is in-market right now, counted against a live database.
Every company ranked by how well it fits and whether it is buying now.
Intelligence briefs on the people who matter, grounded and labeled by source.
Tailored openers per buyer, led by your offer, never a generic mail-merge.
Sequenced follow-ups on a cadence you set, with engagement tracking.
Approval gate, suppression lists, and one-click unsubscribe on every send.
Open and click rates per touch and persona, so you see what is landing.
An in-app agent that builds audiences, sequences, and campaigns with you.
Type your domain, or paste a list of accounts you already want. Winnow runs the whole motion and hands you a strategy you can edit, approve, and send.
Winnow reads your site and extracts what you sell, who you sell to, and your positioning, then grounds everything downstream in it.
It derives the personas and buying titles that fit your offer, with a live market count for each so you focus where the buyers are.
TAM, SAM, and who is in-market right now, counted against a live database. No vanity numbers, just the addressable reality.
Companies ranked by fit and intent signals like hiring, funding, and tech, so the accounts worth chasing rise to the top.
Reveal the people inside each account and get a brief on each one: why now, the angle, the talking points worth opening with.
Tailored, grounded emails per buyer, sequenced into campaigns and sent from your own inbox. You approve every send.
Describe who you want in plain English. Winnow translates it into precise targeting, sizes the live market, and returns a scored, ranked list, not a raw dump.
Reveal the people inside each account and get an intelligence brief on each one. Why now, the angle that fits, and the talking points worth leading with, every claim grounded in real data.
Every email leads with the account-specific hook and your real offer, tailored to the buyer's role. What you preview is exactly what sends, byte for byte.
Winnow does not run on one stale list. It pulls from multiple live sources, reconciles them, and refreshes continuously, so the market, accounts, and buyers you see reflect reality now.
Millions of companies and people, with firmographics, verified titles, and contacts, queried fresh on every run.
A company's own site and the public web, read in real time for positioning, news, and the tech they use.
Hiring, funding, leadership moves, and growth, monitored continuously so you reach accounts in the window.
Every claim is reconciled by AI and labeled by provenance, so your reps always see fact from inference before they send. See the data layer →
Winnow is built to protect your domain and your reputation. Nothing leaves without a human saying yes.
Every send requires explicit human approval. No surprise sends, ever.
Never-contact and suppression rules are enforced on every message before it composes.
Compliant unsubscribe headers and footers on every live send, automatically.
Emails are scored for factual grounding, with unsupported claims flagged before approval.
Every run, reveal, and send is logged with cost and usage, by user, end to end.
Sends through the email you already use, one message at a time, so your outreach reaches the inbox like a real rep would.
Start solo, move to the full agentic workflow, or run it across the team. Every plan enforces the same governance.
Solo prospecting. Core discovery and campaigns.
The full agentic workflow. Sharper model, Winnow, ABM.
Top-tier model everywhere, unlimited reveals, every feature.
Full feature comparison on the pricing page →
Give Winnow a domain and watch it build the strategy. You stay in control of every send.
No pitch on the first call. Just a diagnostic.