Have you thought about how you'll accept payment for your sourcing fees? Stripe is the most common way. They take a fee on every payment, so you'll need to set it up and factor that into your numbers. Here's what that looks like on a sourcing fee: Stripe (UK card): 1.5% + 20p On £3,000, that's £45.20 On £6,000, that's £90.20 PayPal: 2.9% + 30p On £3,000, that's £87.30 On £6,000, that's £174.30 Bank transfer (BACS or Faster Payments): usually free, or close to it, with most business bank accounts. So for a big fee paid on completion, a simple invoice and a bank transfer is the cheapest option. However you’ll find some investors who may prefer a more secure way (e.g., stripe). We use stripe and BACS mostly! James