POS vs PDQ Machines UK 2026: Costs, Differences & Which You Need
Quick answer
A PDQ machine is a card payment terminal used to take debit, credit and contactless payments. A POS system is a wider sales platform that can manage payments, stock, staff, reporting, receipts, discounts and customer data.
For many small UK businesses, a PDQ machine or mobile card reader is enough if you only need to take payments. But if you run a shop, café, restaurant, salon, bar or growing retail business, a POS or EPOS system is usually the better long-term choice.
The simplest way to decide is this:
If you need…
Choose…
To take card payments only
PDQ machine or card reader
To take payments and manage stock, staff or sales reports
To sell in-store and online
To take payments at tables, events or customer locations
To manage multiple tills, locations or staff
Compare card machine quotes
Compare EPOS system quotes
Contents
What Is a PDQ Machine?
What is a POS System?
What are the Main POS and PDQ Differences
What Features Should You Look for in a POS System?
What Hardware Comes With a POS Machine?
Choosing the Right POS and PDQ Machine For Your Business
The Future of POS
How do we work?
Transparent, impartial, and data‑driven reviews made by a team of expert humans, never AI generated – here’s exactly how Compare Your Business Costs helps you find the best deals from trusted UK providers: click here
Authored by: Ally Cox (Business Technology & B2B Services Specialist 10+ Years’ Experience)
Reviewed by: James Ward (Telecoms Specialist, 12+ Years Experience)
Last Updated: June 2026
Key Takeaways
PDQ machines are mainly for card payments.
POS systems manage sales and business operations.
PDQs are usually cheaper and simpler.
POS systems cost more but offer better reporting, stock control and integrations.
Many modern POS systems include card payment functionality.
The best option depends on your business type, transaction volume, staff size and whether you need stock or sales reporting.
POS vs PDQ machines: quick comparison
Feature
PDQ machine
POS / EPOS system
Main purpose
Take card payments
Manage sales, payments and operations
Typical users
Sole traders, mobile businesses, simple retail counters
Shops, cafés, restaurants, salons, bars, multi-staff businesses
Card payments
Yes
Usually yes
Cash payments
No, unless separately recorded
Yes
Stock management
No
Yes
Sales reporting
Basic or payment-only
Detailed
Staff accounts
Limited
Yes
Customer profiles / loyalty
Rare
Often included
Accounting integrations
Limited
Common
Hardware
Card terminal only
Till, tablet, terminal, printer, scanner, cash drawer
Setup complexity
Low
Medium
Best for
Simple payment acceptance
Growing businesses that need control and reporting
How much do POS and PDQ machines cost in the UK?
Costs vary depending on provider, contract length, card turnover, hardware, transaction fees and whether you need software. As a rough guide, UK card machine transaction fees commonly range from around 0.3% to 2.5% plus a possible fixed fee, depending on provider and turnover.
Cost type
PDQ machine / card reader
POS / EPOS system
Basic card reader
From around £19–£59 upfront
Often included or added separately
Monthly terminal rental
£0–£30+ per month
May be included in bundle
Transaction fees
Usually percentage per payment
Usually percentage per payment
POS software
Usually not included
Often £20–£100+ per month
Hardware bundle
Usually not needed
Tablet/till, printer, scanner, cash drawer, terminal
Setup cost
Usually low
Can be higher for multi-site or hospitality setups
Best value for
Low-volume or simple payments
Businesses needing stock, staff, reporting or integrations
What Is a PDQ Machine?
A PDQ machine is a card payment terminal that lets a business accept debit card, credit card, contactless, Apple Pay and Google Pay payments. PDQ originally referred to “Process Data Quickly”, although the term is now often used generally to mean a card machine or payment terminal.
PDQ machines are best when you need a straightforward way to take payments without a full till or stock system.
Common types of PDQ machine
Type
How it works
Best for
Countertop PDQ
Fixed terminal at a till or reception desk
Shops, clinics, takeaways, receptions
Portable PDQ
Connects by Wi-Fi or Bluetooth and can be moved around premises
Cafés, pubs, restaurants, salons
Mobile PDQ
Uses 4G, Wi-Fi or a mobile connection
Trades, events, markets, delivery drivers
Smart terminal
Card machine with apps, receipts and basic reporting
Small businesses wanting more than a basic terminal
Tap-to-pay app
Lets you take payments on a compatible phone
Very small traders, pop-ups, mobile services
What Is a POS System?
A POS system, or point of sale system, is the software and hardware a business uses to record sales, take payments and manage day-to-day trading.
A basic POS system may include a tablet and card reader, but a full EPOS system can also include:
touchscreen till
card terminal
cash drawer
receipt printer
barcode scanner
inventory software
staff logins
sales reporting
accounting integrations
loyalty or customer tools
Most modern POS systems can take card payments, which means they can often replace a standalone PDQ machine.
Do you need a PDQ machine or a POS system?
Business type
Best option
Why
Market stall
Mobile card reader or mobile PDQ
Low cost, simple setup, easy to carry
Sole trader
Mobile PDQ or tap-to-pay app
Good for occasional payments
Café
POS system with portable card machine
Useful for sales reports, staff, tips and receipts
Restaurant or bar
Hospitality EPOS
Better for tables, orders, kitchen printing and staff permissions
Retail shop
EPOS system
Helps with stock, barcodes, returns and reporting
Salon or beauty business
POS with booking or customer tools
Helps manage appointments, payments and client records
Trades business
Mobile card machine
Simple way to take payment on-site
Multi-site business
Cloud EPOS
Central reporting across locations
Online and physical store
POS with ecommerce integration
Syncs stock and orders across channels
POS and PDQ machine providers to compare in 2026
Provider
Type
Best for
Watch out for
Square
Card readers and POS
Small businesses wanting simple pricing and fast setup
less suited to complex larger operations
SumUp
Card readers and simple POS tools
Mobile traders, cafés, small shops
Limited advanced EPOS features on basic setups
PayPal POS, formerly Zettle
Card reader and POS tools
Small retailers and PayPal users
Check fees and integrations before choosing
Dojo
Card machines and payments
SMEs wanting fast payouts and modern terminals
Contract terms and fees vary
Worldpay
Card machines and payment processing
Established businesses with higher card turnover
Pricing can depend on package and contract
Clover
POS and card payment systems
Retail and hospitality businesses wanting hardware bundles
Monthly costs can rise with apps and add-ons
Epos Now
EPOS system
Retail, hospitality and service businesses
Quote-based pricing and contracts should be checked carefully
Lightspeed
Advanced POS
Restaurants, retail and multi-site businesses
Can be more expensive than simpler systems
Shopify POS
POS for online and physical retail
Ecommerce businesses using Shopify
POS Pro and ecommerce plan costs can add up
What Features Should You Look for in a POS System?
What features you will need for your POS system will depend on your business size, location, industry and budget – but some of the top software features include:
✅Product and inventory management
This allows you to track your stock levels, set prices, and manage product information.
✅Customer management
Through customer management software you can store customer details, track purchase history, and offer loyalty programs.
✅Flexi-payment processing
This is the way you can accept various payment methods, including cash, debit/credit cards, and contactless payments.
✅Digitel printed receipts
Generate receipts for customers and internal records (although a lot of cloud machines now offer the option to email receipts).
✅Sales reporting
Through reporting you can analyse your sales data to gain insights into customer behavior and track business performance.
PDQ machines: best for and not ideal for
Best for
Not ideal for
Taking card payments quickly
Managing stock
Low-volume businesses
Mobile traders
Sole traders
Simple retail counters
Businesses with tight budgets
Businesses needing ecommerce sync
POS Systems: best for and not ideal for
Best for
Not ideal for
Retail shops
Businesses that only take occasional payments
Cafés, bars and restaurants
Traders wanting the lowest possible setup cost
Salons and appointment-led businesses
Very simple one-person businesses
Businesses with stock
Businesses that do not need reporting
Multi-staff teams
Users who dislike software setup
Online and in-store selling
Businesses that only need a basic card terminal
What Hardware Comes With a POS Machine?
Now that we’ve gone through the software of a pos system, it’s helpful to go through the phyiscal hardware options that usually come as standard, or as an add-on for your POS machine.
Touchscreen monitor
Barcode scanner
Receipt printer
Cash drawer
Card reader
How to choose between POS and PDQ quotes
Before comparing providers, ask these questions:
Question
Why it matters
How many card payments do you take each month?
Higher turnover may qualify for better transaction rates
Do you need stock management?
If yes, choose POS or EPOS rather than a basic PDQ
Do you need staff logins?
POS is better for tracking performance and permissions
Do you sell online and in-store?
Look for ecommerce integrations
Do you need portable payments?
Hospitality and mobile teams may need portable or mobile terminals
Do you need accounting integrations?
Check Xero, QuickBooks or Sage compatibility
Do you need printed receipts?
You may need a printer and till hardware
Do you want no monthly fee?
A basic card reader may be cheaper
Are you tied into a contract?
Some providers offer pay-as-you-go, others use 12–36 month contracts
POS and PDQ trends in 2026
The main trend is that the line between POS and PDQ machines is becoming less clear. Many card machines now include apps, reporting and receipt tools, while many POS systems include integrated payments, so the most important trends for UK SMEs are:
mobile POS and tap-to-pay options
cloud-based sales reporting
inventory and ecommerce sync
accounting integrations
faster payouts
better fraud and payment security
all-in-one EPOS and payment bundles
Security still matters. Any business that accepts, processes, stores or transmits card payment data needs to consider PCI DSS requirements, which are maintained by the PCI Security Standards Council to protect payment data throughout the payment lifecycle.
Verdict: should you choose a POS system or a PDQ machine?
If you only need to take card payments, a PDQ machine, mobile card reader or tap-to-pay app will usually be the cheapest and simplest option.
If you need to manage stock, staff, reports, refunds, receipts, discounts, customers or online orders, a POS or EPOS system will usually be better value.
For most UK small businesses in 2026:
Choose this
If…
Basic PDQ machine
You want simple card payments at a counter
Mobile card reader
You sell at markets, events or customer locations
Smart card terminal
You want payments plus light reporting
POS system
You need sales reports, staff tools or product management
Full EPOS system
You run retail, hospitality, salons or multiple locations
Best next step: compare both card machine and EPOS quotes before choosing. A cheap card reader may be enough, but if you outgrow it quickly, switching later can cost more.
FAQs: POS vs PDQ Machines
What is the difference between POS and PDQ?
A PDQ machine is mainly used to process card payments. A POS system is a wider sales system that can manage payments, stock, staff, reporting, receipts and customer data.
Is a PDQ machine the same as a card machine?
Yes. In the UK, PDQ machine is commonly used to mean a card machine, payment terminal or card reader.
Does a POS system include a PDQ machine?
Many modern POS systems include card payment functionality, either through an integrated card reader or a connected payment terminal.
Is POS better than PDQ?
POS is better if you need stock control, reporting, staff management or ecommerce integrations. PDQ is better if you only need a simple way to take card payments.
Are PDQ machines cheaper than POS systems?
Usually, yes. PDQ machines and card readers are normally cheaper to start with, while POS systems usually have higher hardware or monthly software costs.
Can I use a card machine without a POS system?
Yes. Many businesses use standalone card machines or mobile card readers without a full POS system.
Do I need POS for a small shop?
A small shop may benefit from POS if it needs stock tracking, barcodes, refunds, sales reports or staff accounts. If it only takes simple payments, a PDQ machine may be enough.
What is the best POS system for a café?
A café should usually look for a POS system with portable payments, product buttons, staff logins, tipping, receipts, sales reports and optional kitchen printer support.
What is the best PDQ machine for a mobile business?
Mobile businesses should compare portable or mobile card readers from providers such as Square, SumUp, PayPal POS, formerly Zettle, Dojo, Worldpay and Clover.
Do POS and PDQ machines need internet?
Most modern POS and PDQ machines need Wi-Fi, Ethernet, 4G or mobile data to process payments, although some systems offer limited offline mode.
Are POS and PDQ machines secure?
Leading POS and PDQ providers use payment security standards such as encryption and PCI DSS processes. Businesses should still check compliance responsibilities before choosing a provider.
Related card machine guides
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Card machine buying guides
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Types of card machines and payment terminals
Card machines by business type
Card machine provider reviews
Card machine comparisons
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Hi, I’m Ally Cox , a senior copywriter and blogger at CompareYourBusinessCosts.co.uk, the UK’s trusted platform for comparing business services.
With over a decade of experience in the B2B sector, I specialise in simplifying complex topics like leased lines, VoIP, business energy, HR and payroll solutions, accounting software, and EPOS systems .
Before joining CompareYourBusinessCosts, I worked across various industries, gaining hands-on experience in HR, copywriting, and business operations- from clocking-in systems to card machines and office technology .
My goal is simple: to help UK businesses make informed, confident decisions when choosing products and services that improve efficiency and save money.