What is lead generation?

Lead generation is the process of identifying and attracting potential customers. In B2B, it covers everything from cold email and LinkedIn outreach to SEO, content marketing, and paid advertising — any activity that produces a potential customer who did not exist in your pipeline yesterday.

Cameron Evans · Founder & CEO, Haku

18 April 2026 · 4 min read

Lead generation is the top of the revenue funnel. Without it, there is no pipeline. Without pipeline, there is no revenue. For most B2B companies at early stage, outbound lead generation — cold email, LinkedIn, cold calling — is the fastest way to build initial pipeline because it does not depend on brand recognition, search traffic, or advertising budget. Inbound lead generation compounds over time but requires months or years to build up. Outbound can start producing conversations in weeks.

The main B2B lead generation methods

Lead vs prospect vs opportunity — the funnel stages

Signal-based lead generation — the 2026 approach

The traditional approach to B2B lead generation — buy a database, filter by ICP criteria, load into a sequence — produces a 2 to 3% reply rate in 2026. The reason: the timing is arbitrary. A company that matches your ICP but has no specific reason to buy right now will ignore an outreach that has no specific reason to arrive right now.

Signal-based lead generation replaces arbitrary timing with trigger-based timing. Instead of reaching out to accounts because they fit demographic criteria, you reach out to accounts because something happened at the company that makes right now the right moment — a funding round, a new VP of Sales, a headcount surge in a relevant function, a technology change. Signal-triggered outreach converts at up to 93% higher rates than untriggered outreach to the same contacts.

The signal is not just a nice-to-have for the timing. It is the foundation of the entire message — the specific, verifiable reason the outreach arrives today, the hook in the opening line, and the context that makes the conversation relevant rather than random. Without the signal, you have a contact. With the signal, you have a lead generation system.