Building a brand that resonates with consumers in the highly competitive e-commerce space can take years, sometimes even decades. Consumers often expect certain brands to deliver consistent quality that, in their minds, generic alternatives cannot match.
Take a product as simple as permanent markers, for example: a 12-pack of Sharpie brand markers currently ranks among Amazon’s top five best-selling office products.
An unknown brand competitor offers a seemingly similar product for half the price, but with twice as many markers. Sharpie’s high rank in total sales versus the competitor is an excellent example of the importance of brand recognition and highlights the importance of protecting it.
As discussed in previous GreyScout blogs, one of the biggest threats to e-commerce brands is grey market seller activity – the sale of legitimate products through unauthorized channels. Grey Market sales, driven by unauthorized or unapproved sellers, can deal heavy damage to a brand’s equity as they disrupt pricing strategies, erode brand trust, and expose consumers to poor service or invalid product warranties. At times, these unauthorized sellers could also be selling bad merchandise, which could be expired, approaching end of life, damaged or at times, used merchandise being sold as new.
For example, many sources have raised the alarm on Apple products sold by third-party sellers on Amazon. While Apple maintains an official store on the marketplace, unauthorized sellers listing discounted Apple products without AppleCare coverage damage the brand by misleading consumers.
The Grey Market Explained
Grey market goods are authentic products that have fallen outside of the brand’s authorized supply chain. Unlike counterfeit items, these goods could potentially be legitimate, but could be infringing on a brand’s commercial, supply chain, consumer safety or any other policies, and are generally sold and delivered to consumers outside of authorized channels and partners.
The concept of parallel imports is one such example – when a product designated for sale in a specific territory is resold without authorization elsewhere at an inflated price – is an example of grey market activity. In previous GreyScout blogs, we’ve highlighted in detail the negative impact products sold in this manner can have on profit margins, and consumer safety. What’s more, this activity undermines after-sale support.
As more e-commerce marketplaces enter the industry, the risks of grey market activity increase, especially for niche marketplaces like Farfetch. An e-commerce platform specializing in luxury fashion, Farfetch and similar platforms have received much scrutiny for their enablement of grey market activity. As covered in NSS Magazine, the marketplace has a strained relationship with many popular luxury fashion brands, who accuse the platform of providing a haven for grey market resellers. Similar instances of unauthorized sales of luxury and fashion products can also be found on Amazon and eBay.
How to Identify Grey Market Sellers
When products appear on the grey market, it’s often a sign of supply chain gaps and poor distributor oversight. Brands facing this issue should revisit their distribution strategy and tighten controls, working only with vetted, trusted partners.
The first step in prevention is identifying where the leak is. Tools like serial numbers, QR codes, and RFID tags – combined with test buys – can reveal unauthorized sellers and trace inventory back to its source. Fast-moving stock from certain distributors may signal diversion to grey markets.
For e-commerce brands, monitoring for unusual sales activity or MAP (Minimum Advertised Price) violations is essential. Sharp price drops across online platforms often indicate grey market imports that can damage brand equity and undercut legitimate channels.
Why Brands Should Monitor and Defend Against Grey Market Activity
Although everyone loves a good deal on heavily discounted products, there are hidden costs associated with grey market purchases for both the consumer and the brand. On one side of the coin, customers suffer when expectations aren’t met by unregulated grey market goods, leading to damaged customer perception and lost revenue. The costs add up as grey market products lack quality control and put a strain on customer support systems.
To combat grey market activity effectively, brands need a multi-layered approach:
- Tighten distribution contracts that ensure regional product restrictions are enforced.
- Implementation of technology such as RFID, blockchain, and QR codes to monitor the movement of products.
- Employ brand protection tools like GreyScout to monitor and enforce against unauthorized listings.
- Deploy Test Purchase or Test Buy Initiatives to identify the source of supply chain leaks.
- Issue legal actions (e.g., cease-and-desist letters or IP takedowns) as a deterrent.
- Educate consumers about the risks of unauthorized channels and provide easy verification tools.
The Bottom Line
Grey market actors are growing more sophisticated, but so are the tools to stop them. A recent study in the International Journal of Production Economics, for example, examines how blockchain technology can help address grey market challenges by enhancing product traceability.
With the right mix of technology, strategy, enforcement, and education, brands can protect their customers, preserve their brand’s value, and defend the bottom line. With online brand protection tools powered by GreyScout, brands can simplify monitoring, verification and enforcement against grey market activity, and respond quickly.


