Knowledge Hub

B2B lead generation explained clearly

Practical guides on finding new businesses, understanding WHOIS data, building prospect lists, and reaching clients before your competitors do.

9 guides
and growing
5 topics
covered
Free
no signup needed
Understand the fundamentals
Start here if you are new to domain data, WHOIS records, or B2B lead generation.
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Core concept
What is WHOIS data?
WHOIS records contain the contact details of every domain owner. Learn what the data includes, who can access it, and how B2B teams use it for outreach.
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Core concept
What is domain registration?
When a business registers a domain, they are signalling intent. This guide explains how domain registration works and why the registration moment matters for B2B sales.
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Core concept
What is B2B lead generation?
A plain-English guide to B2B lead generation - what it means, how it works, and what separates high-converting lead generation from wasted outreach effort.
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Core concept
What is first-mover advantage in sales?
Being first matters more in sales than most people realise. Learn why reaching a prospect before competitors do changes the entire conversation - and how to build a first-mover strategy.
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Core concept
How to find newly registered businesses
A step-by-step guide on finding businesses that just launched online - using WHOIS databases, domain registration feeds, and new business intelligence platforms.
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Put it into practice
Actionable guides for building outreach systems and reaching new business clients.
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Tactical guide
How to reach new businesses before competitors
A practical system for identifying newly launched businesses and reaching their founders within the first week - before any competitor fills their inbox.
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Tactical guide
Cold outreach to new businesses
How to write cold outreach that gets replies from newly launched businesses. Includes messaging frameworks, subject line examples, and follow-up sequences that work.
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Tactical guide
How to build a B2B prospect list
A step-by-step guide to building a targeted B2B prospect list from scratch - covering data sources, filtering criteria, verification, and list hygiene best practices.
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Tactical guide
Best time to contact a new business
Timing changes everything in cold outreach. This guide covers when new businesses are most receptive to outreach - by day, week, and month after launch.
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Guides for your specific business

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Intelligence, not intrusion

FirstMark Data surfaces publicly available WHOIS registration data. Privacy-protected registrations are filtered at ingestion and never reach users. All data is automatically purged after 30 days. We do not scrape websites, track individuals, or store sensitive personal data beyond what is publicly filed at the point of domain registration. Use of this platform is subject to our Terms of Service and Acceptable Use Policy.