Dr Mobeus
How Cashback Sites Actually Work (And Why Most People Ignore Them)
If you’ve never used a cashback site, you’re basically leaving free money on the table every time you shop online. The concept is simple: you click through a cashback site to the retailer you want to buy from, and the cashback site gives you a cut of the commission they earn for referring you.
Sounds too good to be true? It’s not. We’ve earned over £300 in the last 12 months using cashback sites for purchases we were going to make anyway. No special tricks. No buying things we didn’t need. Just clicking through the right site first.
Here’s the honest breakdown of the UK’s best cashback sites, how much you can realistically earn, and which ones are actually worth bothering with.
TopCashback – The Heavyweight Champion
Our earnings this year: £187.42
TopCashback is the biggest cashback site in the UK, and for good reason. They pass up to 100% of the commission back to you, which means their rates are often the highest available.
The Good
- Highest cashback rates in the UK – often 2-3% more than competitors
- Over 5,000 retailers including all the big names (Amazon, Tesco, M&S, Currys)
- No minimum payout threshold for bank transfer
- “Plus” membership is free and gives you access to higher rates
The Catch
- Payments can take 2-3 months to become “payable” – you won’t see the money quickly
- Some retailers track inconsistently (always clear cookies before clicking through)
- The dashboard is cluttered with promotions you don’t need
If you only sign up to one cashback site, make it TopCashback. It’s where the majority of our earnings came from this year.
Quidco – The Reliable Runner-Up
Our earnings this year: £89.16
Quidco has been around since 2005 and is the other big player in UK cashback. They tend to have slightly lower rates than TopCashback, but they’re more reliable for tracking and paying out.
Why We Still Use It
- Often has exclusive deals that TopCashback doesn’t match
- Faster payout times – some retailers pay within weeks
- Clean, simple interface that’s easy to navigate
- Good mobile app for checking deals on the go
The Downside
- Annual £5 “admin fee” deducted from your earnings (waived first year)
- Slightly lower rates overall compared to TopCashback
Our tip: always compare rates between TopCashback and Quidco before buying. Sometimes Quidco wins on specific retailers, and it costs nothing to check both.
Smaller Cashback Sites Worth Knowing About
Complete Savings
Complete Savings works differently – it’s a paid membership (£15/month) that gives you cashback at hundreds of retailers. Sounds mad to pay for cashback, but if you’re a regular online shopper spending £200+ a month, the higher rates (often 10-15%) can easily cover the fee and then some. We don’t use it, but heavy shoppers swear by it.
Cheddar
A newer app-based cashback platform. The rates aren’t always competitive with the big two, but they have some unique high street cashback offers and a slick app. Worth having as a backup.
Rakuten (formerly Ebates)
The global giant has a UK presence but the retailer selection is smaller. Good for international purchases but limited for everyday UK shopping.
How to Maximise Your Cashback Earnings
1. Always Check Before You Buy
This is the single most important habit. Before you buy anything online, check if there’s cashback available. We’ve set a rule: no online purchase without checking TopCashback first. It takes 30 seconds and has saved us hundreds.
2. Stack with Voucher Codes
Cashback works alongside voucher codes most of the time. Check our dealstore pages for the latest discount codes, then click through your cashback site. Double savings, no extra effort.
3. Use the Browser Extensions
Both TopCashback and Quidco have browser extensions that alert you when cashback is available on a site you’re visiting. They’re not perfect (sometimes they miss things) but they catch purchases you’d otherwise forget to claim.
4. Big Purchases = Big Cashback
The real money is in big purchases. We earned £42 cashback on a new laptop, £28 on car insurance, and £15 on a mobile phone contract. Always check cashback before renewing insurance, buying tech, or booking travel.
5. Don’t Buy Things Just for Cashback
This sounds obvious but it’s the biggest trap. Getting 10% cashback on something you don’t need is still 90% wasted. Use cashback on purchases you were making anyway.
The Ugly Truth About Cashback Sites
Let’s be honest about the downsides:
- It’s not guaranteed. Cashback can be declined if retailers think you breached their terms (using a code from elsewhere, returning items, etc.)
- It takes patience. Don’t count cashback as money in your pocket until it’s “payable” – it can take months
- Tracking fails sometimes. About 5-10% of transactions don’t track automatically. You’ll need to raise claims, which is tedious
- It encourages spending. If you find yourself browsing deals “because cashback,” you’re doing it wrong
Our Honest Verdict
Cashback sites are one of the easiest ways to save money in the UK. They require almost no effort – just a habit of clicking through before you shop. In a year of normal spending (nothing extravagant), we earned £300. That’s £300 we’d have otherwise just given away.
Start with TopCashback, add Quidco as a comparison, install the browser extensions, and build the habit. The money adds up surprisingly fast.
For more ways to save on your everyday spending, check out our money-saving blog and latest discount codes.
