Lead generation for startups: win your first B2B clients with outbound email
By the Yirlo team · Product details checked against the app
Startups that want pipeline should begin with a short, nameable list of buyers and one channel they fully control. When a B2B team is young, has no brand recognition and little money, cold email aimed at the person who makes the buying call usually fits. Yirlo handles the work: paste in your site URL, review the audiences it suggests, and it writes a tailored opening email to one decision maker at each matching company. Below you will find who you would reach, what the emails would say, what an ordinary week looks like inside the app, and the pushback founders tend to raise.
Why outbound comes before content and ads for a young company
Content and SEO pay off, but slowly. A blog post written today may take months to rank, and it only helps if you already know which problems your buyers type into Google. Paid ads need conversion data you do not have yet. Partnerships depend on trust that takes time to build.
Outbound gives you answers in weeks. You learn which kinds of companies reply, which problems they care about and which objections come up. That feedback shapes your positioning, your pricing and your product roadmap, which matters as much as the leads themselves.
The tradeoff is that cold email needs steady volume and clean sending infrastructure. A founder who sends 30 emails a week from a brand-new domain learns very little. A founder who sends a few hundred a week to well-chosen audiences learns a lot. The rest of this page is about reaching that second situation without spending your month on tooling.
Set the math before you send a single email
Two numbers decide how much you can spend on lead generation: what a customer is worth over time and what you can afford to pay to win one. If a customer pays $9,000 a year and stays two years (an example), you can tolerate a fairly high cost per signed deal. If you sell a $40 monthly plan, cold email to one person per company only works when the plan expands or the audience is very large.
The table below shows an example funnel at about $0.05 per email. The rates are illustrations, and your own will differ by market, offer and audience quality.
| Funnel step (example) | Volume | Note |
|---|---|---|
| Emails sent | 2,000 | About $100 at $0.05 each |
| Replies of any kind | 40 | An example 2% reply rate |
| Interested replies | 10 | The rest are not now, out of office or unsubscribes |
| Calls booked | 6 | Some interested people never book |
| Calls held | 5 | No-shows happen |
| Deals closed | 1 | Depends on your sales process and price |
Who startups sell to: campaigns Yirlo would build
Yirlo reads your site and your competitors, then proposes audiences as separate campaigns. Each campaign is a type of company plus the role that buys. The table shows examples for hypothetical startups, so you can see how specific the audiences get.
Every row names a company type and one buyer role. Vague audiences such as all SaaS companies produce vague emails. Narrow ones let the first email talk about a problem the reader recognizes.
Running three to five audiences at once usually works best for a young company. Some will go quiet and one or two will pull ahead, so you want enough variety to find the winner. Because only one person per company is contacted, nobody at the same account receives a pile of separate pitches.
| Example startup | Example campaign audience | Likely buyer |
|---|---|---|
| API monitoring tool | Series A and B SaaS companies with a public developer API | VP Engineering or Head of Platform |
| Expense automation software | Agencies and consultancies with 50 to 300 staff | Finance Director or Controller |
| SOC 2 readiness platform | B2B software companies selling to enterprise and mid-market | CTO or Head of Security |
| Recruiting analytics tool | Fast-growing tech firms with several open roles | Head of Talent or People Operations |
| Route planning software | Regional distributors and delivery fleets | Operations Director or Logistics Manager |
What the first emails talk about
A first email from a startup has one job: earn a reply. Yirlo writes each one about the recipient's company, drawing on what that company does, and keeps it short. You can edit the wording for any campaign.
The angles that suit early-stage sellers fall into a few groups:
- A specific problem for that type of company, stated plainly, such as audit evidence scattered across tools at a software firm heading into enterprise deals.
- A small, believable outcome rather than a big promise, such as cutting a weekly manual task.
- A reason a young company is worth a conversation: you move fast, you will shape the product around early customers, or you can run a quick pilot.
- The closing request stays light and points at what you want out of the reply: a quick chat on your scheduling link, a product walkthrough, a free trial, or something helpful to read.
What a good first email looks like
Here is an example of the shape, not a template to copy. Subject: delivery routes at a regional distributor. Body: two sentences about how fleets of that size often plan routes by hand each morning, one sentence about what you do differently, and a closing line offering a 15-minute call.
Notice what is missing: a feature list, a company history and a request for an hour. The reader should be able to answer in one line. Replies to it get labeled and answered in the same plain tone, with the next step pointing back to your goal.
A first month, step by step
Founders usually get stuck between deciding to do outbound and actually sending. This sequence removes most of the waiting.
- Day one takes a few minutes. Enter your site's URL, read through the audiences Yirlo proposes, and delete any group of buyers you would never want to approach.
- Day 1 to 2: read the first emails, edit anything that overclaims, and add your booking link or demo link as the goal.
- Second day: fund your account with prepaid credit and pick a daily spending cap that feels right. The mailboxes and domains are already prepared, so nothing about setup or warmup holds you up.
- Week 1 to 2: read the hot leads that arrive by email and book calls quickly. Speed matters because interested people cool off.
- Week 3 to 4: look at which campaigns got replies, tighten the weaker audiences and rewrite any email that drew confused answers.
- End of month: decide which audience deserves most of your budget and write down what you learned about your pitch.
What you do day to day in the app
Upkeep stays light. Performance reports reach you by email 3 times a week, and every conversation can be read in the app. Once a prospect shows real interest, that reply gets mailed to you as a priority lead, so you can step in personally.
Inside the app, the inbox shows every reply along with its tag, such as interested or unsubscribe. Drafted responses are there to read and revise, or to go out on their own once you have grown comfortable with the tone. Campaigns, audiences and emails are all editable, as are the daily budget and the credit balance.
Picture a founder's week: a brief skim of the results emails, some time answering interested leads and running the calls they book, and a quick edit when a campaign lags. More of each day's spend flows to campaigns that get replies, while weak performers are paused and swapped for new ones, which saves you from moving money around by hand.
Free, cheap and paid ways to generate leads online
Free lead generation for startups exists, and it is worth doing alongside outbound: answering questions in communities, taking part in forums where your buyers gather, asking customers for introductions. The cost is your time, and the output is hard to predict. Reddit threads are useful for learning how buyers describe their problems, but self-promotion there tends to be removed quickly.
Paid options differ mainly in who controls the work and how much commitment they require:
- Founder outreach by hand: free in cash, expensive in hours, and it stops the week product work gets busy.
- Hiring an SDR: salary plus tools and management, slow to ramp and hard to justify before your pitch is proven.
- A lead generation agency: a monthly retainer, with less control over messaging and often a contract commitment.
- Each email Yirlo sends is billed at roughly a nickel and deducted from a prepaid balance. When that balance runs low, your card on file can refill it automatically if you turn that option on. Phone calls and SMS are coming soon. For now, every touch is an email.
Mistakes that waste the first thousand emails
The costliest mistake is targeting too broadly. An email about everything lands on nobody. Choose a company type and a role, and write to that.
The second is pitching features. Early buyers care whether you understand their situation, so lead with the problem and keep the product description to one sentence.
Other common errors:
- Asking for a 45-minute demo in the first email when a short call or a resource is easier to say yes to.
- Judging an audience after 100 emails. Give each campaign enough volume to show a pattern before cutting it.
- Letting interested replies sit for two days.
- Treating an unsubscribe as a failure. Honoring it quickly protects your sending reputation.
- Sending to unverified addresses. Bounces damage deliverability, which is why every address is checked before an email goes out.
Where Yirlo does not fit, and how to measure results
Today Yirlo works through email only. Dialing and texting are coming soon, and so are social messages such as LinkedIn. Sending from infrastructure you own is coming soon as well. Meanwhile, hot leads can be routed to your CRM using signed webhooks or the API, so deals stay in the tool your reps open first each morning. Buyers who prefer another channel, or a sequence across several, will get that later. Yirlo covers the email part now.
Track four numbers: reply rate, interested rate, calls booked and cost per booked call. At $0.05 per email, cost per call is emails sent multiplied by $0.05, divided by calls booked. If you sent 3,000 emails (an example) and booked 9 calls, that is $150 for 9 calls, about $16.67 each.
A small share of audiences and angles usually produces most of the replies. Put your attention there and let weaker campaigns be replaced. When the numbers stabilize and deals close, raise the daily budget in steps so you can see whether quality holds.
Questions
Can ChatGPT do lead generation?
An AI chat assistant is useful for brainstorming ideal customers and drafting email copy. Its names and emails come from patterns rather than a verified database of decision makers, so some may be invented, and address checking and warmed mailboxes need other tools. Yirlo covers the finding, verifying, writing and sending in one flow.
What is the 80/20 rule for startups?
This is the Pareto principle: about a fifth of the work tends to deliver around four fifths of the outcome. In outbound, that usually means a single audience or one message angle accounts for the bulk of responses. Yirlo directs a bigger slice of each day's spend to campaigns that get replies, and stops the ones that stall.
Explaining the 3 3 3 rule in sales
There is no single official version, and people use the label for different habits. A common reading is to hook the reader in the first few seconds, keep the message short and follow up within days. For cold email, that translates into a short first line, one clear ask and a fast reply to anyone who shows interest.
Is it true that 90% of startups fail?
The figure is widely repeated, but sources define failure and time frames differently, so treat it as a rough sign that most startups do not survive. Running out of money and building something few people want are reasons founders often cite, and both connect to having a steady stream of real buyer conversations.
What is the best lead generation for startups?
The best channel is the one that gives you buyer conversations fastest at a cost you can afford. For many B2B startups that is outbound email to a narrow audience, with content and referrals added later. Yirlo covers the outbound part, and you fund it with prepaid credit that you top up as you go.
Is there free lead generation for startups?
Yes. Taking part in communities, networking with other founders, asking customers for referrals and publishing helpful content require time but no cash. The payoff comes slowly and unevenly. Yirlo does cost money, since campaigns run on prepaid credit that you buy up front. You can turn on auto top-up so a campaign keeps sending while you focus on replies.
I do not have a lead list. Can I still start?
Yes. Type in your website address and Yirlo figures out what kinds of businesses purchase your product, then suggests audiences. For each one it locates fitting companies and the people who make buying decisions there, drawing on a pool of over 80M decision makers. Every audience is open to editing before anything goes out.
Will cold email hurt my domain or brand?
Outreach never touches your company domain, since Yirlo uses mailboxes and domains it has already prepared and manages. Each email address gets verified ahead of sending, a company receives mail for just one person, and anyone replying to opt out is detected. Every email is open for you to read and rewrite when you want the voice to match your brand.
Does Yirlo connect to my CRM or other channels?
Startups running Salesforce, Pipedrive, HubSpot or another CRM can send interested replies straight into their pipeline. Yirlo's API covers this, and so do webhooks that plug into Zapier, n8n or Make. Leads also download as a CSV, a good fit for young companies that track deals in a simple spreadsheet. Phone and SMS outreach is coming soon. Until then, the inbox in the app keeps every conversation in one place.
Can I run lead generation for my startup in other countries or languages?
Targeting works at the country level or down to a single state. Yirlo writes in the lead's own language where it supports that. Otherwise you choose one of 30 languages for the copy. This helps when your first customers live abroad.