Daniel & Friends / Blog / GTM
Go-to-market engineering: signals instead of an army of SDRs
The classic outbound playbook sounded simple: hire ten SDRs, hand out quotas and let them hammer LinkedIn. In 2026 that is the most expensive known way to annoy people who were never going to buy anyway. Fortunately there is an approach that makes rather more sense.
Daniel Votruba · 6 July 2026 · 3 min read
The problem: 95% of your market is not buying right now
The LinkedIn B2B Institute calls it the 95:5 rule. At any given moment only a sliver of the market is actively in a buying cycle. When an SDR works through a list of companies alphabetically, nine tenths of those calls go to people who will not buy anything today. That is not the reps' fault. It is arithmetic.
GTM engineering flips that arithmetic around. Instead of asking who we have not contacted yet, it asks who is signalling right now that they are buying, and a machine watches for it on your behalf.
What counts as a buying signal
- Hiring: a company is looking for a Head of Marketing? In three months they will be sorting out their stack, agencies and budgets.
- Funding: a fresh round means ambitious targets and, at the same time, the money to hit them.
- Technology: they rolled out HubSpot, dropped Salesforce, added Shopify. Every change like that opens a door.
- Website visits: tools like RB2B reveal which company was reading your pricing page, even when nobody filled in a form.
- Intent data: Bombora and 6sense collect which topics companies are researching across the internet.
- People on the move: your champion moved elsewhere? At their new employer they are the warmest lead you can imagine.
What the workflow looks like
The principle never changes: signal, then enrichment, then action. In practice, something like this:
1) RB2B picks up that someone from a company matching your ICP landed on the site. 2) Clay fills in the context: size, stack, who owns marketing there, what the company published in the past month. 3) The system decides: hot account goes to a rep as a Slack notification with the full context; lukewarm goes into a personalised sequence; outside the ICP gets dropped. 4) Everything writes back to the CRM, so the pipeline stays visible and the forecast stops being a crystal-ball exercise.
One person with a well-built system covers the volume that used to take five SDRs, and does it with a higher reply rate. The messages land with people who are working on that exact problem right now.
Where companies get it wrong
The most common mistake? Buying tools and skipping the basics. Without a clean ICP the system simply contacts the wrong companies faster. Without email infrastructure (separate domains, warm-up, SPF/DKIM/DMARC) even the best sequence ends up in spam. And with no CRM connection you grow another silo nobody opens six months later. The right order is strategy, then data, then infrastructure, then automation. Never the other way round.
Want to see what signal-based outbound would look like at your company? Here is exactly what we deliver, or just write to us. The first opinion is free.
Key takeaways (TL;DR)
- Under the 95:5 rule, 95% of the market is not buying right now. An SDR working an alphabetical list spends nine tenths of their time on people who will not buy.
- GTM engineering flips the question: instead of who we have not contacted yet, it watches for who is sending a buying signal. Hiring, funding, a stack change, a website visit, intent data.
- The workflow is always signal, enrichment, action. One person with a well-built system covers the volume of five SDRs, and with a higher reply rate.
- Order of adoption: strategy, data, infrastructure, automation. Tools without a clean ICP and email infrastructure just contact the wrong companies faster.
FAQ
What is go-to-market engineering?
A discipline that builds acquisition as a system: buying signals are collected automatically, enriched with data and used to trigger relevant outreach, instead of dozens of SDRs prospecting by hand. Smaller team, higher relevance, measurable pipeline.
Which tools does it use?
Typically Clay or Leadspicker for enrichment, Apollo for contacts, RB2B for website de-anonymisation, Bombora or 6sense for intent, email infrastructure with warm-up, and a CRM as the central brain. Tools change; the signal, enrichment, action principle stays.
Will it replace salespeople?
No, it replaces manual prospecting. The rep gets a qualified meeting with context; a human still has to sell. People buy from people.
Sources: LinkedIn B2B Institute, The 95-5 Rule · Ehrenberg-Bass Institute · our own practice across 750+ projects.