What Should Revenue Share Actually Be Based On?

One of the biggest questions in a revenue share partnership is not the percentage.
It is the revenue base.
A founder and agency can agree on 5%, 10%, or 15%, but that number means very little until both sides define exactly what revenue is included.
In some cases, the agency may be responsible for growing the entire business. In others, the agreement may only apply to certain products, traffic sources, or sales channels.
Each structure can work, but each creates different challenges.
Product-Line Revenue Share
A product-based structure can make sense when the agency is only responsible for growing a specific group of products.
For example, a beauty brand may sell skincare, cosmetics, and haircare, while the agency only focuses on skincare.
The problem appears when customers do not behave neatly.
Someone may discover the brand through a skincare product, then purchase makeup as well. Bundles, cross-sells, kits, and sitewide promotions can make it difficult to separate which revenue belongs to the selected product line.
That is why this model usually works best when the products included in the agreement operate relatively independently and can be measured clearly.
Traffic-Source Revenue Share
Another option is to calculate revenue share based on specific traffic sources.
For example, the agency may manage Meta Ads and Google Ads while email, organic, referrals, and affiliates remain outside the agreement.
This can work when the source is easy to identify, such as affiliate links or referral codes.
But most eCommerce customer journeys involve more than one channel.
A customer may first click a Meta ad, return later through Google, join the email list, and then purchase from an email campaign.
At that point, which channel gets credit?
Traffic-source-based models can easily turn into attribution debates, especially when different teams manage different parts of the funnel.
Instead of focusing on growth, both sides may spend too much time deciding which channel “owned” the sale.
Sales Channels Can Be Easier to Manage
For many eCommerce businesses, sales channels can create a cleaner structure.
A brand may generate revenue through Shopify, Amazon, Walmart, wholesale, and retail. If the agency is responsible only for Shopify, the revenue share can simply apply to Shopify revenue.
That gives both sides clearer ownership.
There is still some complexity, though.
A customer may discover the brand on the website but later purchase through Amazon because of faster shipping or a more familiar checkout experience.
The brand still gets the sale, but the revenue moves to another channel.
This kind of cannibalization means even sales-channel attribution is not perfect.
Still, giving one agency clear ownership of one measurable sales channel is often easier to manage than trying to divide every sale between multiple traffic sources.
Clear Ownership Matters More Than Perfect Attribution
There is no single revenue base that works for every company.
Product-based models can work when product lines are separate enough.
Traffic-source models can work when attribution is genuinely clear.
Sales-channel models can work when one team has clear responsibility for a specific channel.
And for some companies, the cleanest approach may simply be to base revenue share on the entire business.
The key is to avoid building a structure that creates more arguments than alignment.
A good revenue share agreement should make it easy for both sides to understand what counts, what does not, and who is responsible for growing that revenue.
Perfect attribution is rarely possible.
Clear ownership is usually much more practical.
Before negotiating the percentage, founders should first define the revenue base.
That decision can make the rest of the partnership much easier to manage.
Read the full article here:
https://impmarketing.co/how-founders-can-determine-the-base-of-revenue-share-for-the-agency/