Buying signals that actually work for B2B outbound: 15 examples and the play for each

Buying signals are events you can observe that make an account more likely to need what you sell right now. A champion changes jobs, a target account reads your pricing page, a company starts hiring for a function it never had. The ones that work are tied to the buyer's purchase decision, and each one maps to a specific play.

This list is the detection layer of signal-based selling: what to watch, where it comes from, and what should fire when it shows up. We detect every signal below with RB2B, Trigify, Apify, LinkedIn Sales Navigator and Clay. Claude reads the results and decides what happens next. You do not need all of these tools, so start with the signal families your buyer emits.

01How we tier buying signals before choosing a play

What matters is how fast you move and how much effort goes into the message. We sort every signal into four tiers before it reaches a sequence, the same logic a GTM engineer runs on our accounts every week.

• Tier 1, already buying. The account is in a purchase motion now. Respond the same day, from a real person, usually on more than one channel.
• Tier 2, context exists. Something changed that makes your offer relevant. Write around that change in a normal sequence.
• Tier 3, fit without an event. The account matches your ICP but nothing has happened yet. Precise targeting does the work, at email volume.
• Tier 4, a hypothesis. A signal you think matters but have not proven. Small test batches only, until the replies say otherwise.

02Intent and evaluation signals

The strongest family, because these show an account doing the research that comes before a purchase.

1. Target-account visits to pricing or service pages

• What: someone from an ICP account reads pricing, a specific service page or a comparison page.
• Detect: RB2B identifies website visitors at person level. Clay matches them to the account and checks fit.
• Why: a pricing page is rarely read for fun. The page they chose tells you which problem they are sizing.
• Play: tier 1. Route it the same day and open on the problem that page solves. Never mention the visit.

2. Competitor evaluation

• What: an account asks for vendor recommendations in public, or comments on a competitor's launch.
• Detect: Trigify monitors LinkedIn for activity on competitor profiles and for recommendation requests in your category. Apify scrapes the full comment thread.
• Why: the decision to buy is made. The open question is who they buy from.
• Play: tier 1. Lead with how you differ on the exact point they raised, on LinkedIn and email together.

3. Engagement with competitor content

• What: people at ICP accounts react to a competitor's posts about the problem you both solve.
• Detect: Trigify tracks the engagers on competitor posts, and Clay filters them to your ICP.
• Why: the topic is live for them this month. It is weaker than an evaluation, because people engage for many reasons.
• Play: tier 2. Write about the topic of the post with a point of view of your own. Leave the competitor's name out.

4. Event attendance in your space

• What: an account sends people to a conference or webinar about your problem, or one of them speaks there.
• Detect: Apify scrapes public attendee, sponsor and speaker lists. Sales Navigator finds the right contacts at each account.
• Why: companies spend travel budget and calendar time on the problems they are working on this quarter.
• Play: tier 1 when the event is about your problem. Reach out in event week and reference the session topic.

03People moves

People changing seats is one of the most dependable triggers there is.

5. A former champion lands at a new company

• What: someone who bought from you or pushed for you internally joins a new employer that fits your ICP.
• Detect: Sales Navigator alerts on saved leads. A Clay table run against past customers in the CRM catches the ones nobody saved.
• Why: they already trust your outcome, and new leaders tend to bring in partners they know.
• Play: tier 1. A personal note from whoever knew them, LinkedIn first, no sequence copy. If we could keep only one signal, it would be this one.

6. A new leader in the seat that buys

• What: a new VP of Sales, CRO, head of marketing or head of RevOps joins an ICP account.
• Detect: Sales Navigator filters for recent role changes, run against your title and account lists.
• Why: new leaders arrive with a mandate, and reviewing the stack and vendors is usually part of it.
• Play: tier 2. A new VP of Sales hears from 50 vendors in week one. Skip the congratulations and write about the mandate the hire implies.

7. Tenure and career stage

• What: how long someone has been in the role, where they came from and where their career is heading.
• Detect: Clay summarises work history from the LinkedIn profile. Sales Navigator filters by time in role.
• Why: when the buyer is the person, their situation is the signal. Recruiting is the clearest case.
• Play: tier 3. Use it for targeting and a first line about their role. Company news makes this kind of email feel corporate.

04Company change

The signals everyone knows. They work when the event is the reason your offer matters.

8. Hiring for the function you serve

• What: open roles that show investment in the problem you solve, especially a brand-new function.
• Detect: Apify scrapes LinkedIn Jobs, Indeed and direct boards, and Clay deduplicates by account. Our hiring signals skill runs the merge.
• Why: a funded role means the problem has an owner and a budget. The job description often states the pain outright.
• Play: tier 2, or tier 1 when the hire is the purchase trigger. For a staffing firm, that is 10 sales roles posted on Indeed this week.

9. A fresh funding round

• What: the account has just raised, so new spending plans are being written.
• Detect: Clay's funding enrichment, filtered by stage and date. The funding round signals skill narrows it to companies you can sell to.
• Why: new money has to go somewhere, and the plans for it are being made now.
• Play: tier 2, as a timing filter. A company closing a Series B gets 40 congrats-on-the-raise emails the same morning, so write about what the money is for.

10. A technology install or removal

• What: the account adopts or drops a tool your offer depends on, such as a new ecommerce platform or CRM.
• Detect: Clay's technographic enrichment by domain. Our tech stack detection skill answers yes, no or inconclusive on the tool you name.
• Why: a new tool creates integration and migration work. A removed one leaves a gap.
• Play: tier 2 if your product depends on it, tier 3 otherwise. Use it for targeting only, because a tool name in the opener reads as surveillance.

11. A partnership, expansion or launch

• What: a named partnership, a new market or a product launch, announced publicly.
• Detect: Clay pulls recent news per account. Claude extracts the single most specific event and classifies it.
• Why: a partnership or new market creates new work with a deadline attached.
• Play: tier 2. Connect the event to the challenge it creates, then add one relevant result. A specific partnership earns replies that "I saw you're growing" never will.

12. A trigger that only exists in your buyer's vertical

• What: an event that matters in one industry only. For a performance marketing agency, it is a head of marketing engaging with three posts about paid media ROI.
• Detect: custom Clay columns built for that vertical, plus Trigify for topic engagement.
• Why: generic events say something changed. A vertical trigger says which problem just became urgent.
• Play: tier 1 or 2, by how close it sits to the purchase. This is the part of the list we rebuild for every client.

05First-party engagement

These come from your own channels, so competitors rarely act on them. That makes them cheap to act on and easy to waste.

13. Engagement with your own posts

• What: people who react to or comment on your company's or founders' LinkedIn posts.
• Detect: Trigify or Apify pull every engager, and Clay filters to your ICP. The post engagers skill runs it weekly.
• Why: they chose to spend attention on your point of view. It is the warmest public list there is.
• Play: tier 2, starting on LinkedIn with the topic they engaged with. A signal decides which channel and when, as we cover in LinkedIn outreach vs cold email.

14. Profile views from target accounts

• What: someone at an ICP account looks at a founder's or a rep's LinkedIn profile.
• Detect: Sales Navigator shows the viewers, and Clay matches them against your account list.
• Why: someone checked who you are, usually after a post or an email reached them.
• Play: tier 2 when the viewer fits. A connection request with a short note on what you work on.

15. Closed-lost and past contacts coming back

• What: an old opportunity or churned customer shows activity again: a site visit, an engagement, a job change.
• Detect: RB2B visits matched against the CRM in Clay, plus Sales Navigator alerts on old contacts.
• Why: they know you and once had the problem. Something has changed since the deal stalled.
• Play: tier 1. Reopen with the context of the last conversation, never as a first touch.

06Buying signal examples at a glance

07Signals that look good but mislead

Some buying signals look strong in a table and never earn a reply. These are the patterns we keep finding when we audit a signal setup.

• The four everyone pulls. Funding, exec hires, hiring spikes and company news. Every vendor sees them the same day, so they work as filters, rarely as openers.
• Hiring with no link to the purchase. Hiring at scale is a real trigger if you sell an assessment tool. If you sell to a manufacturer that buys through long vendor relationships, its job posts tell you nothing.
• Generic growth. "I saw you're growing" fits every company you will ever email, so it proves no research.
• One anonymous blog visit. A single read of a top-of-funnel article is research, sometimes by a student. Weight visits by page and by repeat behaviour.
• Signals used as surveillance. Naming the page they visited or the tool you detected makes the reader feel watched. Let the signal set the timing and keep it out of the copy.
• Signals nobody acts on. One that waits in a dashboard for someone to notice it has already gone stale.
• Tracking everything. More signals means more noise to route. As David says on our sales calls, "the signals are always very individual for every company."

08How to combine buying signals into one play

Single buying signals rarely carry a campaign. The setups that work layer them, with every channel reading the same account. This is the order we combine them in.

1. 01Score fit before any signal countsClaude scores every account against the ICP first. A strong signal on a poor-fit account is still a poor-fit account, so the system stops there.
2. 02Start from the events before your won dealsAsk which event makes this buyer more likely to need what you sell right now, and read the answer from your last won deals.
3. 03Stack an event with an engagement signalA new head of sales is tier 2. The same account reading your pricing page a week later is tier 1. The event explains why, and the engagement tells you when.
4. 04Let the strongest signal set the tierThe highest tier wins and decides channel, speed and play. Every channel leads with the same signal, so the second touch reads as continuity.
5. 05Check the CRM before anything firesLook for an open conversation, a past deal or a current customer. An active deal needs no outreach at all.
6. 06Route it the same day and review it monthlySignals reach a rep in Slack or start a sequence automatically. Once a month, retire the signals that stopped earning replies. Our signal analyst skill runs that review.

For KlientBoost, this logic ran across website intent, closed-lost reactivation, signal-based prospecting and LinkedIn engagement. Each signal was enriched in Clay and checked against the CRM before outreach fired, producing 11+ automated ABM plays. If you want buying signals wired into plays around your own accounts, that is our account-based marketing service.