Pitch decks7 min read

Series B Pitch Deck: What Changes After Series A

A Series A deck argues that a repeatable motion exists. A Series B deck argues that the motion gets more efficient as you pour money into it.

That single shift reorders the deck: evidence moves forward, vision moves back, and the ask becomes a plan rather than a runway calculation.

Lead with the proof, not the problem

By Series B the category is usually accepted, so a full problem slide is wasted real estate. Compress the problem and solution into one or two slides and put the growth chart on slide three at the latest.

The metrics a Series B deck has to carry

These are the numbers that get pulled into the partner memo. If they are absent, the reader assumes they are unflattering.

  • ARR with growth rate and net revenue retention
  • CAC payback by channel and gross margin trend
  • Cohort retention showing expansion over time
  • Sales efficiency: quota attainment, ramp time, magic number
  • Logo concentration and pipeline coverage

Expansion: the second act

Series B investors are underwriting your next market, not the current one. Show the wedge you have won, then the adjacent segment or product line, with evidence that early customers are already pulling you there.

Organisation and use of funds

The ask should read as an operating plan: headcount by function, the milestone each hire unlocks, and the metric you expect to hit before the next raise. Vague allocations signal that the plan was written for the deck rather than the business.

Suggested slide order

A structure that consistently reads well at this stage:

  • 1–2. Category and product in one breath
  • 3. Growth chart with retention overlaid
  • 4–6. Unit economics, cohorts, sales efficiency
  • 7–9. Market expansion, competitive position, product roadmap
  • 10–12. Team and org plan, use of funds, milestone
  • Appendix: model, cohort detail, customer case studies

Frequently asked

How many slides should a Series B deck have?

Fifteen to eighteen in the main deck, with a substantial appendix. Later-stage diligence is metric-heavy, so the appendix often runs longer than the deck itself.

What ARR do investors expect at Series B?

Expectations vary by category and year, so treat benchmarks with care. What travels across markets is the shape: durable growth, strong net retention, and improving payback.

Should a Series B deck still include a vision slide?

Yes, but late. Establish the evidence first, then use the vision to frame why the expansion plan is worth funding.

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