YC · Solo Founder · Founder-Led Sales

You're the founder.
You're also the SDR.
SignalFlow does the busywork.

For YC and solo founders doing their own outbound — SignalFlow drafts 5 personalized emails every weekday morning, sends what you approve, and handles replies. $99/mo or $990/yr. No SDR to hire.

Run your free ICP audit → Start Autopilot — $99/mo →
2 agents live, shipping weekly
No SDR to hire
$99/mo or $990/yr (save $198)
Replies land in your inbox
Live from production —
The founder-specific problem

Every tool assumes
you have a sales team.

1
No time to prospect between demos
You close deals, ship product, answer support tickets — and prospect sits untouched until 10pm when you're already exhausted. Every week you tell yourself "I'll start outreach Monday."
2
No budget for a $120k SDR
You can't justify a full-time sales hire until you've proven the motion. But proving the motion requires outbound work. The chicken-and-egg problem of early-stage GTM.
3
Every tool expects a sales stack, not a founder
Apollo, Clay, Instantly — they're built for SDRs with a list, a cadence, and a manager. Not for a founder who just wants to know: who should I email, what do I say, and did anyone reply?
How it works for founders

3 steps. 10 minutes a day.

1
Point SignalFlow at your ICP
Give us your website and a one-paragraph description of who you're targeting. Our agents research your prospects, find their pain points, and build a personalized outreach list every week.
2
5 personalized drafts land in your inbox every weekday at 8am UTC
Monday through Friday, your agent drafts cold emails tuned to each prospect. Subject, body, CTA — personalized, CAN-SPAM compliant, and ready to go. You wake up to a queue, not a blank screen.
3
Approve in 2 minutes. Replies auto-surface with AI drafts
Scan the queue, approve or skip any draft with one click. Replies land in your own inbox — we classify the intent (interested, objection, question, not-now) and generate a response draft. You control what goes out.
Who it's working for

Founder-led sales.
Real results.

KO
Korso
Founded by Alex Liu

Scaling founder-led sales without hiring an SDR

Read full story →
GO
Gojiberry AI
Founded by Dylan Teixeira

AI-first sales outreach at scale, zero manual research

Read full story →
Founder ROI

The math that
makes this obvious.

You already know what your time is worth. Here's what you're actually spending by doing outbound manually — and what SignalFlow costs to replace it.

Your founder rate
Your hourly rate $500/hr
Hours/week on outbound 10 hrs/wk
SignalFlow monthly cost $99/mo
Working weeks per year 48 wk/yr
Your annual outbound cost
$—
Your time × hours × weeks
SignalFlow annual cost
$—
Autopilot plan
You save
$—
per year
ROI
—x
vs. doing it yourself
Start Autopilot — $99/mo →
Cancel anytime · No SDR to hire
Common questions

Founders ask
about this.

No. SignalFlow was built for founders who ARE the sales team. You define your ICP, SignalFlow drafts the emails, and you approve what goes out. If you have a sales team, they control the queue — the agent handles the busywork either way.
Run the free ICP teardown at /audit — paste your website and get a full ICP profile plus 5 lookalike prospects in minutes. That's your starting point. SignalFlow is most effective once you know who you're targeting, but the teardown tool gets you there for free.
Yes. SignalFlow sends from your email address — replies land in your own inbox, not a shared dashboard. You're in full control of deliverability and sender reputation.
That's a great problem. Every reply is triaged and surfaced with AI-generated response drafts. You review and send from your own inbox. If volume gets high, you can tune the ICP or pause the campaign in one click.
Apollo and Clay are research-enrichment tools — they find contacts and data. SignalFlow is the execution layer: it takes your ICP and runs the full outbound cycle — drafts personalized emails, sends what you approve, and handles replies — autonomously. Instantly is a sending platform. SignalFlow is an agent. You can use them together, but SignalFlow is the one doing the work.
For agency operators
Running an agency with multiple client campaigns?
SignalFlow has a dedicated page for agency operators — per-client ICP isolation, multi-campaign management, and reply routing.
See /for/agencies →

The $120k SDR isn't
the answer for you.

The answer is an agent that drafts 5 emails a day, surfaces replies, and never needs a meeting to align on ICP. For $99/mo.

Run your free ICP audit → Start Autopilot — $99/mo →