Source and enrich qualified prospects
Ten good contacts beat a thousand addresses
The beginner's temptation is to buy a list of 10,000 emails and blast everyone. The result: spam complaints, a burned domain, and zero sales. Modern sourcing does the opposite: few contacts, but the right ones. Before any tool, write down your ideal customer (the famous ICP): industry, size, the role of the person you're talking to, the trigger that makes your offer useful now. A prospecting tool without a precise target just industrializes vagueness.
You don't prospect wider, you prospect sharper.
Finding the right people
Several families of tools let you build a targeted list:
- LinkedIn Sales Navigator (~€80/mo): the standard for filtering people by industry, company size, role, seniority. It's the backbone of B2B prospecting.
- Apollo.io (free then ~$49/mo): a database of millions of contacts with emails, finely filterable. Excellent value to get started.
- Cognism / Lusha / Kaspr: contact databases (emails, phone numbers), often with a LinkedIn extension, more volume- or Europe-oriented.
- Directories & registries: for local B2B, business directories, Google Maps, or company registries remain underrated free sources.
Enriching: turning a name into a reachable contact
Finding a name isn't enough; you need a valid address and a phone number. That's the role of enrichment:
- Dropcontact (~€24/mo): finds and verifies B2B emails from a name + company, GDPR-compliant (data reconstructed, not resold).
- Hunter.io (free then paid): finds the professional email and checks deliverability.
- Clearbit / Apollo: enrich a record with company, size, industry, technologies used.
Essential reflex: verify emails before sending. A verification tool (Hunter, NeverBounce, Bouncer) removes invalid addresses and protects your domain's reputation. Sending to dead addresses sabotages all your future sends.
Signals: prospecting at the right moment
The best prospect is the one with a need now. Signal tools detect those triggers:
- Fundraising, hiring, open roles: a growth signal (sources like company news databases, or tools like PhantomBuster to monitor LinkedIn).
- Visits to your site: tools like Leadinfo or HubSpot identify the companies visiting your pages.
- Job changes: a contact who switches company is a re-activatable prospect — Sales Navigator flags it.
Plugging a signal into your prospecting moves you from "hello, I exist" to "I'm reaching out because of [event]." The reply rate is a different world.
Automating sourcing — with restraint
Tools like PhantomBuster or Clay let you automate collection and enrichment at scale (extract a LinkedIn list, enrich it, push it to the CRM). Clay in particular combines sourcing, multi-source enrichment, and AI to personalize each row. Powerful, but to be handled with restraint: respect platform limits and GDPR. Automation amplifies a good target — it amplifies a bad one too.
GDPR isn't optional
Prospecting in B2B in Europe is allowed, but regulated: a message relevant to the person's professional activity, a clear sender identity, the ability to unsubscribe at any time, and no sensitive data. Tools like Dropcontact are built for this compliance. Clean sourcing isn't just a legal matter: it's what maintains your sender reputation, hence your ability to reach inboxes.
Push everything into the CRM
Whatever the tool, the rule from the previous chapter holds: a sourced prospect only exists if it enters the CRM, with its source and a first dated action. Most of these tools connect natively or via Zapier/Make. A list exported into a forgotten spreadsheet is worth nothing; the same list in the CRM, with a sequence ready, becomes pipeline.
Key takeaways
Sourcing means aiming sharp, not wide: define your ideal customer, find the right people (Sales Navigator, Apollo), enrich and verify their details (Dropcontact, Hunter), and prospect on signals to land at the right time. Stay GDPR-compliant to protect your sending reputation, and systematically push every prospect into the CRM. The list is ready: now you work it with follow-ups that run on their own.