Pitch Deck Financial Projections: What to Include, What to Avoid, and How to Make Investors Believe You

Most founders either over-engineer their pitch deck financial projections or reduce them to a single revenue line. Both send the same message to investors: you haven’t fully thought through the financial side of the business.

The financials slide isn’t there to prove your numbers are correct. Investors know your forecasts won’t be perfectly accurate. What they’re really assessing is whether you truly understand how your business works. A very high bar to clear.

What Your Financial Projections Slide Actually Needs to Answer

So, when you look at your financials slide, you want to make sure that you are sharing the information in a way that helps answer the three questions that every investor is asking when they look at your financials slide:

•   How big can this become? Investors want to see that both the market opportunity and your business model can support meaningful growth.

•  How do you make money? Unit economics (the cost of acquiring a customer versus the customer’s lifetime value) must be made evident.

At what point will the business need additional funding? Investors want to understand your burn rate and how long this funding round will last.

No matter how polished your slide is, if it doesn’t address all three, it is incomplete.

What to Include in Your Pitch Deck Financial Projections

Keep it tight. This is not a model review; this is one slide. Here are the elements that should be included:

3-Year Revenue Projection

The standard is 3 years. Anything shorter suggests you haven’t planned ahead. Anything much longer starts to look overly optimistic. Present annual figures and briefly explain the key growth drivers: more customers, higher prices, new products, and new markets. The logic is as important as the number.

Gross Margin

The gross margin is the percentage of your revenue that remains after you subtract the direct cost of delivering your product or service. A Saas company that has a gross margin of 80% is a completely different company from a logistics business that has a gross margin of 20%. This helps investors judge how healthy your revenue is, not just how much of it you’re generating.

Burn Rate and Runway

How much money you spend per month is your burn rate. Runway is the number of months your available cash will last at that burn rate. Both of these should be included on the slide. If the founders don’t remember these numbers off hand they lose credibility right away.

Key Unit Economics: LTV and CAC

LTV (lifetime value) is the sum of the revenue generated by each customer during their relationship with your business. CAC (customer acquisition cost) is the cost you incur to acquire the customer. A healthy LTV to CAC ratio tells investors your growth is efficient rather than costly.

For pre-revenue, present your assumptions clearly. Investors can evaluate reasonable assumptions. They can’t evaluate missing assumptions.

Use of Funds

Only one callout box is required: what you’re raising and how the capital will be allocated. Headcount, product, or go-to-market, whatever is true for you. Be specific and believable, and not so long that it requires a footnote.

What to Avoid in Your Financial Projections Slide for a Seed Round

These are the elements that compromise credibility every time:

• 100-tab models sent as attachments no one reads before the meeting; sending one can suggest you haven’t identified the metrics investors care about most.
• Steep growth projections without clear business drivers raise immediate questions. If month 18 is 10x month 6, then explain the changes. Otherwise, it’s wishful thinking.
• Vanity metrics without unit economics: total downloads, registered users, and pageviews. These are good as context but not financial projections.
• Extremely accurate predictions predicting revenue accuracy to the dollar 3 years in advance show that you do not know how unpredictable early-stage businesses are.
• Burying the burn: Here’s a red flag if you have to ask how long your runway is.

Understanding the Investor Mindset on Financial Projections

Most entrepreneurs fail to realize this: investors aren’t attempting to validate your expectations. They know forecasts evolve over time; that’s expected.

What they’re assessing is your judgment. Are you familiar with the key levers in your business? What do your numbers have to be in order to work? Are you being honest about risk, or are you selling?

The perfect pitch deck financial projections are like a founder who has thought it through and not a founder who has formatted it. Investors are far more likely to back the founder who has done the thinking.

A Simple Structure for Your Financials Slide 

There is no need to reinvent the format. Here’s what works:

• One bar chart showing a 3-year revenue projection no clutter, label it, and clean.
• Three to five clear key metrics listed: ARR (annual recurring revenue), gross margin, CAC, LTV, burn rate.
• One “use of funds” callout raises the amount plus three bullet allocations.

That’s it. Three to five data points, one clear chart, and one use of funds callout. If you’re going to go further, it’s noise.

The Bottom Line:

Your financial projections slide isn’t there to prove you’re right; it’s there to demonstrate that you understand the business you’re building. Be concise, make it obvious, and don’t waste their time. Founders who do this well walk into the room with an advantage before they’ve said a word.

Looking to build or review the financials of your pitch deck?

8cast supports founders from financial modeling through investor presentations and fundraising discussions. Book a free call.

Need help building or reviewing your pitch deck financials? 8cast supports founders from model to investor meetings. Book a free call.