# COS Cashback — Compare Rates Across 4 Cashback Portals

> ca.GotCashback.com tracks COS cashback rates across 4 cashback portals, updated 2026-08-11T12:29:12Z. Current best rate: **2.03%** via **SimplyBestCoupons.ca**. This page is the agent-readable version of https://ca.gotcashback.com/Stores/COS/.

- Canonical HTML page: https://ca.gotcashback.com/Stores/COS/
- Store website: https://cos.com
- Data freshness: rates last checked 2026-08-11T12:29:12Z; 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 2.03% from 4 trusted Canada cashback portals.

## Best Current Rate

| Field | Value |
|---|---|
| Best rate | 2.03% |
| Portal | [SimplyBestCoupons.ca](https://ca.gotcashback.com/Portals/SimplyBestCoupons/) |
| Rate type | flat |
| Cashback link | https://ca.gotcashback.com/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.ca](https://ca.gotcashback.com/Portals/SimplyBestCoupons/) | 2.03% | — | — | https://ca.gotcashback.com/Click/SimplyBestCoupons/COS/ |
| [TopCashback.com](https://ca.gotcashback.com/Portals/TopCashback/) | 2.02% | — | — | https://ca.gotcashback.com/Click/TopCashback/COS/ |
| [Rakuten.ca](https://ca.gotcashback.com/Portals/rakuten-ca/) | 2% | — | — | https://ca.gotcashback.com/Click/rakuten-ca/COS/ |
| [Aeroplan eStore](https://ca.gotcashback.com/Portals/aeroplan/) | 1 pt/$ | — | — | https://ca.gotcashback.com/Click/aeroplan/COS/ |

## Rate History

Chart-ready JSON with historical best rates per portal:

- Last 12 months: https://ca.gotcashback.com/Stores/COS/History/Json/year/
- Last 30 days: https://ca.gotcashback.com/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 COS cashback and how can I earn it?**
COS cashback refers to the money you can earn back on your purchases from COS when using a cashback portal. You can earn it by signing up on a cashback website, clicking through their links to shop at COS, and completing your purchase.

**Which cashback portals offer COS cashback?**
Several cashback portals offer COS cashback, including SimplyBestCoupons.com and others. Be sure to compare rates to maximize your earnings.

**How do I ensure I earn COS cashback on my purchases?**
To ensure you earn COS cashback, always start your shopping journey on the cashback portal. Click the link that directs you to the COS website, and complete your transaction without navigating away from the portal.

**Can I earn COS cashback on sale items?**
Yes, you can typically earn COS cashback on sale items, but be sure to check the terms of the cashback portal, as some exclusions may apply.

**Is there a limit to the COS cashback I can earn?**
Depending on the cashback portal, there may be limits or caps on COS cashback earnings. Review the specifics of your chosen portal for detailed information.

**How long does it take to receive COS cashback?**
The waiting period for COS cashback to show up in your account can vary between portals, typically ranging from a few days to several weeks, depending on the retailer's processing time.

**Can I stack COS cashback with other promotions?**
Yes, in many cases, you can stack COS cashback with other sales, promotions, or discounts offered by COS. Always read the fine print to avoid any issues.

**Do I need to create an account to earn COS cashback?**
Most cashback portals require users to create an account to track earnings. Registering is usually quick and straightforward, allowing you to start earning COS cashback immediately.

**What do I do if my COS cashback doesn’t track?**
If your COS cashback doesn’t track, contact the customer support of the cashback portal you used. Keep your order confirmation and transaction details handy for reference.

**Can I earn COS cashback on gift card purchases?**
Typically, you cannot earn COS cashback on gift card purchases. Each cashback portal may have different policies, so it's advisable to check the terms.

**Will I earn COS cashback when shopping through a mobile app?**
This may depend on the cashback portal and whether they support mobile shopping through their app. Many do support mobile purchases, but verify with your specific portal.

**Are there specific qualifying products for earning COS cashback?**
Most products at COS qualify for cashback, but some exclusions may apply. Always check the cashback portal for a list of eligible products.

**Is COS cashback refundable if I return my purchase?**
If you return a purchase, the COS cashback awarded for that transaction may be reversed. It’s important to understand the return policy of both COS and the cashback portal.

**What are the best times to shop for COS cashback?**
The best times to shop for COS cashback are during major sales events or promotional periods, as cashback rates may be higher during these times.

**Can I earn COS cashback on international purchases?**
Earning COS cashback on international purchases will depend on the terms laid out by the cashback portal. Some may only apply to domestic purchases.

**How can I maximize my COS cashback earnings?**
To maximize your COS cashback, combine cashback offers with seasonal promotions and use a credit card that provides additional cashback or rewards.

**Are there any fees associated with earning COS cashback?**
Most cashback portals do not charge fees for earning cashback. However, it's good practice to read the terms and conditions of the cashback site.

**Why is my COS cashback not showing up?**
If your COS cashback is not showing up, it could be due to a tracking delay, or you might not have followed the correct steps. Check with the cashback portal's support team for assistance.

**Do cashback rates change frequently for COS purchases?**
Yes, cashback rates can change frequently based on promotions and agreements with the retailer. Keep an eye on the cashback portal for the latest updates.

## Related

- All stores index (HTML): https://ca.gotcashback.com/Stores/
- Site index for agents: https://ca.gotcashback.com/llms.txt
- Similar stores (agent-readable): [Sephora](https://ca.gotcashback.com/Stores/Sephora/llms.txt), [ECCO](https://ca.gotcashback.com/Stores/ECCO/llms.txt), [Laura.ca](https://ca.gotcashback.com/Stores/Laura-ca/llms.txt), [Simons](https://ca.gotcashback.com/Stores/Simons/llms.txt), [Roots](https://ca.gotcashback.com/Stores/Roots/llms.txt), [Club Monaco](https://ca.gotcashback.com/Stores/Club-Monaco/llms.txt), [Joe Fresh](https://ca.gotcashback.com/Stores/Joe-Fresh/llms.txt)

---
*Machine-readable metadata*

```json
{
  "type": "CashbackStoreOffer",
  "store": "COS",
  "storeUrl": "https://cos.com",
  "canonical": "https://ca.gotcashback.com/Stores/COS/",
  "lastUpdated": "2026-08-11T12:29:12Z",
  "bestRate": {
    "advertised": "2.03%",
    "effectivePercent": 2.03,
    "tiered": false,
    "portal": "SimplyBestCoupons.ca",
    "portalUrl": "https://ca.gotcashback.com/Portals/SimplyBestCoupons/",
    "clickUrl": "https://ca.gotcashback.com/Click/SimplyBestCoupons/COS/"
  },
  "portalCount": 4,
  "portals": [
    {
      "name": "SimplyBestCoupons.ca",
      "rate": "2.03%",
      "effectivePercent": 2.03,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://ca.gotcashback.com/Click/SimplyBestCoupons/COS/"
    },
    {
      "name": "TopCashback.com",
      "rate": "2.02%",
      "effectivePercent": 2.02,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://ca.gotcashback.com/Click/TopCashback/COS/"
    },
    {
      "name": "Rakuten.ca",
      "rate": "2%",
      "effectivePercent": 2,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://ca.gotcashback.com/Click/rakuten-ca/COS/"
    },
    {
      "name": "Aeroplan eStore",
      "rate": "1 pt/$",
      "effectivePercent": 1,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://ca.gotcashback.com/Click/aeroplan/COS/"
    }
  ]
}
```