The pitch deck gets blamed for too much. Founders who don't raise assume their deck was the problem. Founders who do raise credit the deck. The truth is the deck is a door opener — nothing more. An investor who reads your deck and is intrigued will take the meeting. An investor who takes the meeting and likes what they hear will do due diligence. The deck doesn't close the deal. The conversation does. If you go into fundraising thinking otherwise, you'll spend three weeks perfecting your slide design and not nearly enough time sharpening your narrative.
That said, a bad deck kills conversations before they start. So let's talk about what good looks like.
The Single Biggest Mistake
Starting with your product. It's the most common error I see, and it's fatal to the pitch from the first slide. You open with a product screenshot, or a feature walkthrough, or a technical architecture diagram. The investor is immediately asking: "Why does this exist? Who has this problem? Why should I care?" And they're asking it silently, with declining attention.
The reason founders start with the product is obvious — they've spent months or years building it and they're proud of it. That's understandable. It's also irrelevant to the investor. An investor doesn't care what you built. They care whether there's a large, underserved problem that your product uniquely solves, and whether you're the right team to scale the solution. Lead with the problem. Always.
The 10-Slide Structure That Works
There are many variations of this. The core logic is consistent: problem before solution, traction before projections, team before ask. Here's the structure I recommend:
- Problem. What's broken? Who experiences it? How painful is it? Make the investor feel the problem before you show them the solution.
- Solution. One sentence of what you do. Then show it — a screenshot, a demo gif, or a simple flow. Don't describe features. Show the outcome.
- Market size. Total addressable market, but be honest about it. Investors have seen the "$50bn TAM" slide a thousand times. Show your serviceable addressable market — the specific slice you're going after first — and explain how you get there.
- Business model. How do you make money? Per seat, usage-based, transaction fee? What's the average contract value? One slide, no jargon.
- Traction. This is the most important slide for a seed or Series A raise. More on this below.
- Go-to-market. How are you acquiring customers? Who specifically, through what channels? What's your wedge into the market?
- Competition. Don't pretend you have no competitors. Everyone has competitors — even if they're manual processes or Excel spreadsheets. Show a clear positioning. What do you do that no one else does?
- Team. Why are you the right people to build this? Specific experience, specific credibility. Not CVs — evidence of founder-market fit.
- Financials. Current revenue, burn, and a 24-month projection. Show your assumptions, not just the numbers.
- The ask. How much, at what valuation (or if pre-seed, what milestone does this get you to), and how you'll use it.
How to Frame the Problem Compellingly
The problem slide is where most decks are either won or lost. Most founders describe the problem abstractly: "Sales teams struggle with pipeline visibility." That's not a problem — it's a category description. A compelling problem slide makes the pain specific and visceral.
"The best problem slides make the investor nod and say 'yes, I've seen this' — or better, 'I've experienced this.'"
Three things make a problem slide work. First: specificity. Name the exact role that has the problem. Not "companies" — a specific person, with a specific job title, facing a specific situation. Second: evidence. Customer quotes, data, industry research. You're not asserting there's a problem — you're proving it. Third: scale. Why does this matter enough to build a business around? What's the cost of the problem today, in time, money, or both?
The Traction Slide
If you have revenue, show it. Month-on-month growth, current MRR, logos of paying customers. If you don't have revenue, show the strongest signal you have — paying pilots, letters of intent, waitlist size, usage metrics. Be honest about what stage you're at. Investors who are right for your stage understand that pre-revenue traction looks different from post-revenue traction.
The mistake to avoid: presenting traction metrics that aren't really traction. "10,000 signups" means very little without activation and retention data. "5 paying customers at £2k MRR" is far more meaningful than "10,000 signups" at most stages. Investors are sceptical of vanity metrics. Show the number that's hardest to fake.
The Team Slide
Don't list every person at the company. List the founding team and any critical hires, with one or two lines of specific evidence for why each person is the right person for their role. "10 years in sales operations at Salesforce" is evidence. "Passionate about the problem space" is not.
Founder-market fit matters more to early-stage investors than most founders realise. Why are you building this? What in your background gives you an unfair advantage? If you can answer those questions on the team slide, you've addressed the question every investor is asking but won't always say out loud: "Why should I bet on this person over all the other people pitching me this week?"
How to Present Financials Without Looking Naive
The 5-year revenue projection that shows hockey-stick growth to £50m is a fundraising cliché that investors actively discount. Everyone has that projection. It tells them nothing except that you used a spreadsheet.
What actually works: show your assumptions. What's your average contract value? What's your sales cycle? How many reps will you have and when? What's your expected quota per rep? Build from the bottom up, not the top down. "If we hire 4 AEs in month 9, each ramping to £300k ARR in 6 months, and assuming 70% quota attainment..." — that's a projection investors can pressure-test. It shows you've thought about the inputs, not just the outputs.
For pre-seed and seed: show 18-24 months. For Series A: 36 months with clearly labelled assumptions. Don't project beyond that with precision. No one believes it, and it wastes slide real estate.
What the Deck Can't Do
The best deck in the world won't save a weak conversation. When you're in the room — or on the call — the deck is a prompt, not a script. You should be able to talk about every slide without reading it. You should be able to answer follow-up questions without them. The founders who raise consistently are the ones who know their business cold: every metric, every assumption, every risk. The deck got them in the room. Their fluency in the conversation closed it.
Before you send your deck anywhere, pitch it out loud to someone who will push back. Not your co-founder. Not your friend. Someone who will ask the questions investors will ask: "Why now?" "What happens if a large player copies this?" "What's your assumption for churn?" If you stumble on those questions, fix the answers before you fix the slides.