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Data · Guide
What is B2B data?
B2B data is the information about businesses and the people in them that powers sales and marketing — contact details, company facts, the tools they use, and signals they're ready to buy. Here are the types, where they come from, why they decay, and how to tell good data from bad.
- Verified, sourced contact data
- Source & freshness on every record
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In this guide
Every sales and marketing tool you use runs on B2B data underneath. Understanding what kind you have, and whether it's any good, is the difference between outreach that lands and outreach that bounces.
A clear definition
B2B data is information about businesses and their employees, collected and used for sales, marketing and research. It ranges from a single verified email address to a full profile of a company's size, industry, tech stack and buying signals.
The four types of B2B data
| Type | What it is | Example |
|---|---|---|
| Contact data | How to reach a specific person | Verified work email, direct phone |
| Firmographic | Facts about the company | Industry, employee count, location, revenue |
| Technographic | The technology a company uses | Their CRM, cloud provider, tools |
| Intent data | Signals of active buying interest | A company researching your category |
Contact data is the foundation — without a way to reach someone, the rest is just research. See how contact data is found and verified.
Where it comes from
- Licensed data partners — providers who compile and sell business data legitimately.
- Public sources — company websites, press, filings and registries.
- Verification — checking a fact against a live system, such as confirming an email against the mail server.
- First-party — data you collect yourself from your site, events and customers.
Contact data, verified and sourced
GetLeadz gives you the foundation layer: a verified work email and direct mobile from a LinkedIn profile, each with its source and freshness shown. Five free to start, nothing charged on a miss.
The contact data the rest of your stack needsWhy it decays
B2B data is not a one-time purchase — it rots. People change jobs, companies merge and rebrand, numbers get reassigned. Contact data decays by roughly 25–30% a year, which is why a database's size tells you far less than its freshness. A record with a recent last-verified date beats a bigger, older one every time.
How to judge quality
- Accuracy — is it verified, or guessed? A confirmed email beats ten unconfirmed ones.
- Freshness — is there a last-verified date? Decay makes this decisive.
- Provenance — can the provider say where it came from, and is it compliant?
- Coverage — matters, but last: right beats plentiful.
FAQ
What is B2B data?
B2B data is information about businesses and the people who work at them, used for sales and marketing. It includes contact data (emails, phone numbers), firmographic data (industry, size, location), technographic data (the tools a company uses), and intent data (signals a company is researching a purchase).
Where does B2B data come from?
From licensed data partners, public sources such as company websites and filings, and verification against live systems like mail servers. Reputable providers do not scrape sites against their terms, tell you where data came from, and let the people in the data opt out.
Why does B2B data decay?
People change jobs, companies restructure, and details go stale. B2B contact data decays by roughly a quarter every year, which is why a last-verified date matters far more than the raw size of a database.
What makes B2B data high quality?
Accuracy, freshness and provenance. High-quality data is verified (an email confirmed against the mail server, not guessed), recent (with a last-verified date), and sourced legitimately with a way for people to be removed. Coverage matters less than whether what you have is right.