# COS Cashback — Compare Rates Across 3 Cashback Portals

> GotCashback.co.uk tracks COS cashback rates across 3 cashback portals, updated 2026-07-30T01:52:10Z. Current best rate: **2.00%** via **SimplyBestCoupons.co.uk**. This page is the agent-readable version of https://www.gotcashback.co.uk/Stores/COS/.

- Canonical HTML page: https://www.gotcashback.co.uk/Stores/COS/
- Store website: https://cos.com
- Data freshness: rates last checked 2026-07-30T01:52:10Z; rates change frequently — treat values older than 24 hours as stale and re-fetch.
- All rates apply to online purchases initiated through the portal's tracking link unless noted otherwise.

Discover COS cashback rates of up to up to 10.000% from 3 trusted U.K. cashback portals.

## Best Current Rate

| Field | Value |
|---|---|
| Best rate | 2.00% |
| Portal | [SimplyBestCoupons.co.uk](https://www.gotcashback.co.uk/Portals/SimplyBestCoupons/) |
| Rate type | flat |
| Cashback link | https://www.gotcashback.co.uk/Click/SimplyBestCoupons/COS/ |

## All Portal Rates

Sorted by cashback rate, highest first. Use the "Cashback link" URL to activate rate comparison and tracking.

| Portal | Cashback rate | End date | Conditions | Cashback link |
|---|---|---|---|---|
| [SimplyBestCoupons.co.uk](https://www.gotcashback.co.uk/Portals/SimplyBestCoupons/) | 2.00% | — | — | https://www.gotcashback.co.uk/Click/SimplyBestCoupons/COS/ |
| [ShopBuddies.co.uk](https://www.gotcashback.co.uk/Portals/shopbuddies/) | Up to 10.000% (up to) | — | — | https://www.gotcashback.co.uk/Click/shopbuddies/COS/ |
| [Opera Cashback](https://www.gotcashback.co.uk/Portals/opera-cashback/) | Up to 2% (up to) | — | — | https://www.gotcashback.co.uk/Click/opera-cashback/COS/ |

## Rate History

Chart-ready JSON with historical best rates per portal:

- Last 12 months: https://www.gotcashback.co.uk/Stores/COS/History/Json/year/
- Last 30 days: https://www.gotcashback.co.uk/Stores/COS/History/Json/month/

## Terms & Exclusions

Common conditions for cashback (verify per portal before purchase):

- Cashback typically applies to orders initiated through the portal's tracking link; in-store offers, where available, are listed separately above.
- Gift card purchases usually do not earn cashback.
- Cashback is voided if another browser extension or coupon code claims the affiliate attribution.
- Tracking requires clicking through the portal link with ad/tracker blocking disabled.
- Portal-specific conditions are listed in the "Conditions" column above.

## How It Works

1. Compare rates in the tables above and pick a portal.
2. Follow the cashback link, sign in (or register) at the portal, and click through to COS from the portal.
3. Complete your purchase in the same session without visiting other coupon sites.
4. Cashback tracks in your portal account and becomes withdrawable after the portal's payout waiting period.

## FAQ

**What is cashback?**
Cashback is a form of reward given to customers for making purchases through cashback portals. It allows customers to earn back a percentage of the amount spent on their purchase.

**How do cashback portals work?**
Cashback portals partner with retailers to receive a commission for referring customers to make purchases. They then share a portion of that commission with the customers as cashback.

**Is earning cashback free?**
Yes, earning cashback through cashback portals is usually free for customers. There are no fees associated with earning cashback.

**How long does it take to receive cashback?**
The time it takes to receive cashback varies depending on the cashback portal and the retailer. Some cashback portals offer instant cashback, while others may take a few days to a few weeks to process and confirm cashback.

**Can I earn cashback on all purchases?**
Not all purchases may be eligible for cashback. Some retailers may exclude certain products or categories from earning cashback. It's important to check the terms and conditions of each cashback offer.

**How can I maximize my cashback earnings?**
To maximize cashback earnings, you can look for special promotions, use cashback credit cards, stack cashback offers, and shop during double cashback events.

**Are there any limits to how much cashback I can earn?**
Some cashback portals may have limits on how much cashback you can earn within a certain time period or on specific purchases. Be sure to review the terms and conditions of each cashback offer.

**Can I use coupons in conjunction with cashback?**
In most cases, you can use coupons in conjunction with cashback offers to maximize your savings. Check the terms of the cashback offer to see if there are any restrictions on using coupons.

**What happens if my cashback is not tracked?**
If your cashback is not tracked for a purchase, you may need to submit a claim with the cashback portal providing proof of the purchase. Make sure to follow the specific instructions provided by the cashback portal.

**Are there any fees associated with cashback payouts?**
Most cashback portals do not charge fees for cashback payouts. However, some portals may have minimum payout thresholds or charge fees for certain payout methods. Be sure to check the payout terms of the cashback portal.

**Can I refer friends to earn additional cashback?**
Some cashback portals offer referral programs where you can earn additional cashback by referring friends to sign up and make purchases through the portal. Check the specific referral terms and conditions for details.

**Is cashback taxable?**
In most cases, cashback earned through cashback portals is considered a rebate rather than income and is not taxable. However, it's always a good idea to consult with a tax professional for specific advice on your situation.

**Do cashback portals have customer support?**
Yes, cashback portals typically have customer support channels where you can reach out for assistance with any issues related to earning cashback, tracking cashback, or receiving payouts.

**Can I earn cashback on travel bookings?**
Yes, many cashback portals offer cashback on travel bookings such as flights, hotels, car rentals, and vacation packages. Be sure to check the cashback rates and terms for travel purchases.

**How do I track my cashback earnings?**
Cashback portals typically provide a dashboard or account page where you can track your cashback earnings, pending cashback, and payout history. Log in to your account to view your cashback activity.

**What payout methods are available for cashback?**
Common payout methods for cashback include PayPal transfers, bank transfers, gift cards, and charitable donations. Choose the payout method that works best for you.

**Are there any restrictions on using ad blockers with cashback portals?**
Using ad blockers may prevent cashback portals from tracking your purchases accurately, leading to cashback not being awarded. It's recommended to disable ad blockers when making purchases through cashback portals.

**Can I earn cashback on gift card purchases?**
Some cashback portals may allow cashback on gift card purchases, while others may exclude them. Be sure to check the terms and conditions of each cashback offer to see if gift card purchases are eligible for cashback.

**What happens if I return a purchase that earned cashback?**
If you return a purchase that earned cashback, the cashback amount may be deducted from your cashback balance or future earnings. The specific handling of cashback for returned purchases varies by cashback portal.

**Can I earn cashback on refurbished or open-box items?**
In some cases, you may earn cashback on refurbished or open-box items purchased through cashback portals. Check the individual retailer's terms and conditions to see if cashback is eligible for such purchases.

## Related

- All stores index (HTML): https://www.gotcashback.co.uk/Stores/
- Site index for agents: https://www.gotcashback.co.uk/llms.txt
- Similar stores (agent-readable): [Hobbs](https://www.gotcashback.co.uk/Stores/Hobbs/llms.txt), [Superdry](https://www.gotcashback.co.uk/Stores/Superdry/llms.txt), [The Kooples](https://www.gotcashback.co.uk/Stores/The-Kooples/llms.txt), [Monsoon](https://www.gotcashback.co.uk/Stores/Monsoon/llms.txt), [MANGO](https://www.gotcashback.co.uk/Stores/MANGO/llms.txt), [French Connection](https://www.gotcashback.co.uk/Stores/French-Connection/llms.txt), [Boux Avenue](https://www.gotcashback.co.uk/Stores/Boux-Avenue/llms.txt), [Marks & Spencer](https://www.gotcashback.co.uk/Stores/Marks-Spencer/llms.txt), [Urban Outfitters](https://www.gotcashback.co.uk/Stores/Urban-Outfitters/llms.txt), [boohoo](https://www.gotcashback.co.uk/Stores/boohoo/llms.txt), [ASOS](https://www.gotcashback.co.uk/Stores/ASOS/llms.txt), [Gap](https://www.gotcashback.co.uk/Stores/Gap/llms.txt), [Boden](https://www.gotcashback.co.uk/Stores/Boden/llms.txt), [Uniqlo](https://www.gotcashback.co.uk/Stores/Uniqlo/llms.txt), [Anthropologie](https://www.gotcashback.co.uk/Stores/Anthropologie/llms.txt), [Ocado](https://www.gotcashback.co.uk/Stores/Ocado/llms.txt)
- Same store in other countries: [COS (United States)](https://www.gotcashback.com/Stores/COS/llms.txt), [COS (Spain)](https://www.gotcashback.es/Stores/COS/llms.txt), [COS (Deutschland)](https://www.gotcashback.de/Stores/COS/llms.txt), [COS (Poland)](https://www.gotcashback.pl/Stores/COS/llms.txt), [COS (Italy)](https://it.gotcashback.com/Stores/COS/llms.txt), [COS (France)](https://fr.gotcashback.com/Stores/COS/llms.txt), [COS (Australia)](https://au.gotcashback.com/Stores/COS/llms.txt), [COS (Österreich)](https://www.gotcashback.at/Stores/COS/llms.txt), [COS (Netherlands)](https://www.gotcashback.nl/Stores/COS/llms.txt), [COS (Ireland)](https://ie.gotcashback.com/Stores/COS/llms.txt), [COS (Czechia)](https://www.gotcashback.cz/Stores/COS/llms.txt), [COS (Sverige)](https://se.gotcashback.com/Stores/COS/llms.txt)

---
*Machine-readable metadata*

```json
{
  "type": "CashbackStoreOffer",
  "store": "COS",
  "storeUrl": "https://cos.com",
  "canonical": "https://www.gotcashback.co.uk/Stores/COS/",
  "lastUpdated": "2026-07-30T01:52:10Z",
  "bestRate": {
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    "effectivePercent": 2,
    "tiered": false,
    "portal": "SimplyBestCoupons.co.uk",
    "portalUrl": "https://www.gotcashback.co.uk/Portals/SimplyBestCoupons/",
    "clickUrl": "https://www.gotcashback.co.uk/Click/SimplyBestCoupons/COS/"
  },
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    },
    {
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      "url": "https://www.gotcashback.co.uk/Click/shopbuddies/COS/"
    },
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      "url": "https://www.gotcashback.co.uk/Click/opera-cashback/COS/"
    }
  ]
}
```