How to build a pitch deck: a 12-slide structure

A pitch deck is the short presentation explaining your startup to investors. Its goal is not to say everything but to make the investor want a second meeting. A good pitch deck tells a clear story: a big problem, your different solution, proof it works and why now, why you. In this guide we cover the 12-slide structure, what to write on each slide, design principles, presenting tips and common mistakes.

The purpose of a pitch deck

• Win the investor's attention quickly (most investors give a deck a few minutes).
• Explain the opportunity clearly and convincingly.
• Ask for a meeting, not to get a contract signed.

A deck can be prepared in two forms: a presentation version told with you, and a reading version sent by email that stands on its own.

The 12-slide structure

1. Cover

Company name, a one-sentence description (what you do) and contact details. Clear and memorable.

2. Problem

The customer's problem and how painful it is. Support with numbers and a real example.

3. Solution

How does your solution solve the problem? Simple and understandable; a product visual or short flow.

4. Product

How the product works, key features, screenshots or a demo.

5. Market size

The size of the target market (TAM, SAM, SOM) and growth trend; back claims with reliable sources and a bottom-up calculation. See calculating market size.

6. Business model

How do you make money? Price, unit economics, gross margin. See CAC and LTV and the SaaS business model.

7. Traction

Revenue, users, growth, pilots, pre-orders, references. The slide investors look at most. See MRR and ARR and product-market fit.

8. Competition

Direct and indirect competitors and your difference. Do not say "we have no competitors". See competitor analysis.

9. Go-to-market and growth strategy

How do you reach customers, which channel works, what is acquisition cost? See finding your first customer and growth hacking.

10. Team

Founders' and key people's relevant experience; advisors. A plan for gaps. See how investors evaluate a team.

11. Financials and the ask

A summary financial projection for the next 18–24 months, how much investment you want, how you will use the funds and which milestones you will reach. See the financial model and funding rounds.

12. Vision and close

The big picture, why now and the next step (a meeting request).

For extra tips for global investors, see pitch deck for global investors.

Design principles

1. One message per slide.
2. Little text: Short bullets; legible typeface.
3. Visuals and charts: Show numbers in charts.
4. Consistency: Same colours, typeface and style; see brand identity.
5. Titles carry the message: Instead of "Market", "Market grows 20% a year".
6. Short: 10–15 slides; extra info in an appendix.

Storytelling

Build the slides as a story, not a list of facts: size of the problem → your difference → proof → opportunity → ask. Each slide should leave a question for the next and continue with the answer.

Presenting tips

• Prepare for 10–15 minutes; leave time for questions.
• Do not read the slides; tell them.
• Be ready for hard questions: competitors, market size, team, cash and exit.
• Rehearse and time it.
• Be honest: state gaps openly.

Sending to investors

Send the deck with a short email; see how to write the first email to an investor. For investor network and introductions, see how to find an angel investor and angel investor network. After the meeting, regular investor updates keep the relationship warm.

Common mistakes

• Excess text and complicated slides
• Vague or inflated market claims
• Unrealistic financial projections
• Hiding or not showing traction
• Writing only titles on the team slide
• Ignoring competitors
• A deck too long
• A vague ask and use of funds

FAQ

How many slides should a deck have? Usually 10–15; extra info in an appendix.

Should I include financials? As a summary yes; the detailed model is shared if requested.

Should I send the same deck to everyone? The core structure can stay the same; adapt emphasis to the investor.

Conclusion

A successful pitch deck is short, clear and evidence-based; it explains the opportunity to investors quickly and starts the conversation. Sharpen your story, highlight traction and rehearse. For the whole investment process, see the funding rounds guide.