POS System Setup Guides: Getting Started with Square, Zettle & SumUp

Setting up your POS system doesn’t have to be intimidating. Whether you’re a solo trader, café owner, or mobile service provider, this guide walks you through setting up three of the UK’s most popular options — Square, Zettle by PayPal, and SumUp.

Square POS Setup Guide

1. Sign Up
Go to Square’s UK website and create a free account. You’ll need basic business and bank info.

2. Download the App
Install the Square POS app on your smartphone or tablet. It works on iOS and Android.

3. Connect Your Reader
Pair your Square Reader via Bluetooth. Charge it fully first, then open the app and follow pairing prompts.

4. Add Products
In the dashboard, you can create items, categories, and modifiers (like sizes or extras).

5. Add Hardware (Optional)
Use a Square Stand with iPad, connect a receipt printer, or build a full countertop setup.

6. Start Selling
Open the app, select items, accept payment, and print or send receipts.

Pro Tip:
Check out Square’s free extras like marketing tools, loyalty programs, and invoices — all manageable from your online dashboard.

Zettle by PayPal POS Setup Guide

1. Create an Account
Sign up at zettle.com using your business or PayPal email. Link your bank account or PayPal for payouts.

2. Download the Zettle Go App
Available on iOS and Android. Install it on the device you’ll be using in your business.

3. Pair the Zettle Reader
Hold the power button on your Zettle Reader, enable Bluetooth, and follow prompts in the app.

4. Add Products and Pricing
Use the app or web dashboard to enter items, categories, and even images for easy use.

5. Set Up Receipts & Tips
Enable digital or paper receipts. You can also set tipping prompts for cafés or services.

6. Go Live
Your POS is ready. Start selling, taking payments, and viewing daily sales reports from your dashboard.

Pro Tip:
Use Zettle with PayPal Business for a seamless experience and faster payments.

SumUp POS Lite Setup Guide

SumUp POS Lite

1. Order & Power On
SumUp POS Lite comes pre-installed with its software. Simply plug it in and turn it on.

2. Connect to Wi-Fi
Follow the on-screen prompts to connect to the internet.

3. Set Up Your Products
Use the built-in touchscreen to add items and prices directly.

4. Take Payments
Accept card and contactless payments immediately. The system is ready out of the box.

Pro Tip:
Great for simple setups — no app or extra device needed.

SumUp POS Pro Setup Guide

1. Order & Onboard
Request a demo or order via SumUp’s hospitality setup team. You’ll get touchscreen hardware and a tailored onboarding experience.

2. Configure Products & Tables
Work with a SumUp advisor or set up products, modifiers, table numbers, and kitchen printers via your dashboard.

3. Connect Hardware
SumUp’s setup includes printers, card readers, tills, and kitchen displays.

4. Go Live
Once configured, your team can start using the system for order taking, payments, and reporting.

Pro Tip:
SumUp Pro is ideal for cafés and restaurants — make sure to explore the full hospitality toolset.

Final Thoughts

All three systems are beginner-friendly, but each offers a different setup experience:

  • Square is great if you want flexibility, fast setup, and lots of add-ons.

  • Zettle is ideal for simplicity and PayPal integration.

  • SumUp gives you a no-fuss option with Lite, and a full hospitality powerhouse with Pro.

Whichever you choose, getting started takes less than 30 minutes in most cases — and we’re here to help you compare features, pricing, and ease of use.