The financial section of a pitch deck is where most founders lose the investor. Not because the numbers are wrong, but because they don't tell a story. An investor doesn't invest in a spreadsheet: they invest in a narrative backed by credible data. This guide explains what investors expect to see in your financial section.
How many financial slides?
4-5 slides at most. More is overload. Fewer is not enough. The slides you need are: current metrics, projection, unit economics, use of funds and the ask. Everything else (details, assumptions, alternative scenarios) goes in an appendix or in the data room.
Slide 1: Current metrics (traction)
Here you show what you have achieved to date. Seed/Series A investors look at three main things:
- MRR or revenue: in a monthly growth chart covering at least 12 months. If you've been operating for less time, 6 months minimum.
- Active customers: total and net new per month. If you're SaaS, break it down by plan.
- Retention / Churn: monthly rate or quarterly NRR. This separates those with real traction from those who only have volume.
Golden rule: if your chart doesn't go up and to the right, it's not worth showing. Better to explain qualitatively why you're at an early stage than to show flat numbers.
Slide 2: 3-year financial projection
This is where founders get it wrong the most. Two typical mistakes:
- Unjustified hockey stick: you put $10M of ARR in year 3 but don't explain how. Nobody believes a projection without underlying assumptions.
- Excessive conservatism: you project 10% annual growth and the investor thinks "this founder doesn't believe in their own business, so why should I?"
The right formula: project aggressive growth but explain exactly what has to happen to achieve it. "We go from 500 to 5,000 customers in 3 years because we double the sales team, open a partner channel and expand to Brazil." That is credible.
Slide 3: Unit economics
The slide SaaS investors look at most closely. It should include:
- CAC (Customer Acquisition Cost): how much it costs you to acquire a customer.
- LTV (Lifetime Value): how much that customer brings you over their lifetime.
- LTV/CAC ratio: ideally >3. If it's <3, don't raise a round until you fix this.
- CAC payback: how many months it takes you to recover CAC. Under 12 months is excellent. Between 12-24 is acceptable. More than 24 is a warning sign.
- Gross margin: the ceiling on what you can earn. SaaS should be above 70%.
Slide 4: Use of funds
If you're asking for $2M, you need to explain what you're going to spend it on. The typical breakdown:
- Team (50-60%): engineers, sales, marketing. The most important part.
- Marketing / Sales (20-30%): customer acquisition.
- Product / R&D (10-15%): infrastructure, tools, new features.
- Operations (5-10%): rent, legal, accounting.
Key: connect the use of funds to milestones. "With this $2M we hire 5 engineers and 3 AEs, and reach $5M ARR in 18 months, ready for a Series A." Without clear milestones, the investor doesn't know what they're buying.
Slide 5: The ask
Direct and unambiguous:
- How much you're raising: "$2M"
- In what structure: "Seed round on a SAFE" or "Series A equity"
- Valuation (if applicable): "At $12M post-money" or "SAFE with a $15M cap"
- What percentage you already have committed: "Already closed $600k with [lead investor], looking for an additional $1.4M"
Showing that part of the round is already committed creates a sense of urgency and social proof. If you don't have a lead, at least mention your advanced conversations.
The fatal mistake: not knowing your own numbers
In the Q&A after the pitch, investors will ask specific questions: "what's your CAC by channel?", "what's the NRR of the enterprise segment?", "how long does it take you to recover CAC?". If you don't know the answers in seconds, you come across as unsure.
Before any pitch, devote an entire session to memorizing the key numbers. You can't afford to hesitate on any of them.
Prepare your data room
The pitch deck is the tip of the iceberg. Interested investors will ask for a data room with: historical financial statements (P&L, balance sheet, cash flow), cohort analysis, unit economics detail, key contracts, cap table, and an editable financial model. Having it ready before you start pitching speeds up the process by months.
Before putting your slides together, validate your numbers with the LTV/CAC calculator and review how a startup's valuation is calculated at each stage.
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