Revenue Share Agreements For Online Marketplaces

Running an online marketplace is exciting because your platform can grow without you delivering every product, class or service yourself. But once money starts moving between customers, sellers, creators or providers, the payment side can get messy very quickly.

A clear revenue share agreement helps you answer the awkward questions early: who gets paid, when they get paid, what happens if there's a refund, and who carries the cost of a chargeback.

This doesn't have to be complicated, but it does need to match how your marketplace actually works. A neat commission clause in isolation usually isn't enough.

What Is A Revenue Share Agreement For A Marketplace?

A revenue share agreement for your marketplace is the contract that sets out how platform revenue is split between you and the sellers, creators or service providers using your platform.

In practice, it can sit in a few different documents. You might have:

• Marketplace seller terms that apply to every seller who signs up to your platform
• A commission agreement for one particular seller, creator or partner
• A platform revenue sharing contract for a more bespoke collaboration
• Customer terms that explain the customer's relationship with your platform and the seller
• Payment processing terms that work with your payment provider's rules

For example, Maya runs a UK marketplace where independent fitness instructors sell online classes. Customers pay through Maya's website. Maya keeps 20% and pays the instructor 80%, but she also needs rules for refunds, failed payments, VAT, subscription cancellations and disputed classes. That's where the revenue share agreement does the heavy lifting.

The agreement should be practical enough that your finance, customer support and operations teams can use it without needing a lawyer each time there's a refund or payout question.

Do You Need A Separate Agreement With Every Seller Or Provider?

Usually, no - you don't need a freshly negotiated contract with every seller if your standard marketplace terms clearly cover the commercial and legal position.

For many marketplaces, the cleanest setup is to have sellers accept your standard marketplace platform terms and conditions when they create an account. Those terms can cover commission, payout timing, seller obligations, customer issues, prohibited listings, intellectual property and termination.

You may still want a separate marketplace vendor agreement where:

• The seller is a major partner and has negotiated different rates
• You're running an exclusive launch or branded collaboration
• The seller handles high-risk goods or regulated services
• You're paying advances, minimum guarantees or performance bonuses
• The seller will access confidential information, customer data or your technology in a more sensitive way

If you're using click-to-accept terms, make sure the acceptance process is clear. For example, keep records showing the seller agreed to the latest version of your terms, the date they accepted them, and the version they accepted. This can matter if a seller later argues they never agreed to a commission increase or payout deduction.

Templates can be a useful starting point, but marketplace documents often need tailoring. A simple commission agreement template may not deal with multi-party transactions, platform fees, VAT, refunds, chargebacks and customer rights in the way your business needs.

How Should You Calculate Commission And Revenue Share?

You should calculate commission using a formula that leaves very little room for argument.

The biggest mistake is saying something like your platform takes 15% of revenue without defining what revenue means. Does that mean the full customer price, the amount after VAT, the amount after card fees, or the amount after refunds and discounts?

Your agreement should define the calculation step by step. Common options include:

• Gross sale value: your commission is calculated on the full amount charged to the customer
• Net sale value: your commission is calculated after VAT, refunds, discounts or other deductions
• Fixed platform fee: you charge a set amount per booking, sale or transaction
• Tiered commission: your percentage changes when a seller reaches certain sales volumes
• Subscription plus commission: the seller pays a monthly platform fee and a lower transaction commission
• Lead fee: the seller pays for the introduction, whether or not the customer later completes the purchase

Say a customer pays £120 for a service through your marketplace. Your agreement might say that £20 is VAT, card fees are £2.50, and your commission is 15% of the net sale price excluding VAT. In that case, your commission would be 15% of £100, so £15. If the agreement just says 15% of revenue, you and the provider may disagree about the number.

What Deductions Should Be Covered?

Your commission split agreement in the UK should say whether any of these are deducted before the seller is paid:

• VAT or other sales taxes
• Payment processing fees
• Refunds and partial refunds
• Chargeback costs and bank fees
• Discounts, promo codes and credits
• Affiliate or marketing fees
• Currency conversion fees
• Customer support or fulfilment fees

You should also say who gets the benefit of promotions. If your platform funds a 10% discount, the seller may expect their payout to be based on the original price. If the seller funds the discount, you may expect your commission to be based on the discounted amount. Neither approach is wrong, but the contract should say which one applies.

Who Deals With Refunds, Chargebacks And Customer Complaints?

Your agreement should clearly allocate refunds, chargebacks and complaints based on who caused the issue and who has the legal relationship with the customer.

For consumer-facing marketplaces, this part matters a lot. If customers are buying goods, services or digital content online, UK consumer laws can affect cancellation rights, refunds and customer information. The Consumer Rights Act 2015 covers standards such as goods being as described, satisfactory quality and fit for purpose. The Consumer Contracts (Information, Cancellation and Additional Charges) Regulations 2013 can also give consumers a 14-day cancellation period for many online purchases, although exceptions apply.

Your marketplace terms should explain whether the customer is buying from you, from the seller, or from the seller with your platform acting as an agent or facilitator. That structure affects how refunds are handled and what your customer terms should say.

Refunds

Your marketplace seller terms should cover:

• When the customer is entitled to a full refund, partial refund or credit
• Who approves discretionary refunds
• Whether your commission is refunded when the customer is refunded
• Whether the seller must reimburse you if you refund the customer first
• How refunds are handled after the seller has already been paid

For example, if a tutor cancels a paid online lesson, your terms might say the customer receives a full refund and the tutor isn't paid for that booking. If the customer simply changes their mind outside the cancellation period, your terms might say no refund is due or only a platform credit is offered, depending on your policy and consumer law requirements.

Chargebacks

A chargeback happens when a customer disputes a card payment through their bank or card provider. Even if you think the seller fulfilled the order properly, your payment provider may debit the amount from your platform account while the dispute is reviewed.

Your agreement should say:

• Who is responsible for chargeback losses
• Who pays chargeback administration fees
• What evidence the seller must provide to help you dispute a chargeback
• Whether you can deduct chargebacks from future payouts
• How long you can hold a reserve for potential chargebacks

This is one of the most practical reasons to have strong payout rights. Without them, you may refund the customer or lose the chargeback and then struggle to recover the money from the seller.

When Should You Pay Sellers, Creators Or Providers?

You should pay sellers on a clear timetable that gives your platform enough time to deal with payment failures, cancellations, refunds and fraud checks.

There's no single legal payout period that works for every marketplace. Some platforms pay weekly, some pay monthly, and some pay after a booking or service has been completed. What matters is that your terms are clear and your process is fair, consistent and workable.

Your commission plan and payout clause might cover:

• The payout cycle, such as weekly, fortnightly or monthly
• Whether payout happens after order completion, delivery, customer acceptance or expiry of a refund period
• Minimum payout thresholds
• What happens if seller bank details are wrong or incomplete
• Your right to suspend payouts if fraud, complaints or breaches are suspected
• Your right to hold a reserve for refunds, chargebacks or negative balances
• How long sellers have to dispute payout reports

Be careful if your platform is holding money for sellers rather than using a payment service provider that manages split payments. Depending on how your payment flow is structured, you may need to think about the Payment Services Regulations 2017 and, in some models, electronic money rules. Many marketplaces use specialist providers to reduce this risk, but the legal position depends on the details.

A common approach is for the customer payment to go through a payment provider that supports connected accounts or split payments. Your terms then sit alongside the provider's terms and explain your commercial rights, while the provider handles regulated payment infrastructure.

How Should VAT Work In A Marketplace Commission Agreement?

VAT depends on your marketplace model, who is making the supply, and whether you or the seller is VAT registered.

This is an area where you should get tailored accounting and legal input, especially if you're selling across borders or dealing with digital products, overseas sellers or imported goods.

As a starting point, UK businesses generally need to register for VAT when their taxable turnover exceeds the VAT registration threshold, which is £90,000 at the time of writing. VAT rules can change, so you should confirm the current position with HMRC or your accountant.

Your marketplace documents should cover:

• Whether prices shown to customers are VAT inclusive or VAT exclusive
• Whether you charge VAT on your commission or platform fees
• Whether sellers are responsible for their own VAT registration and VAT invoices
• Whether your platform is acting as agent, disclosed agent, undisclosed agent or merchant of record
• Who issues invoices or receipts to customers
• How VAT is handled on refunds, credits and discounts

If your platform is the merchant of record, you may be treated as making the sale to the customer and may need to account for VAT on the full customer price. If the seller is making the sale and you're charging the seller a commission, you may be accounting for VAT only on your commission if you're VAT registered. Those two setups can produce very different tax and contract outcomes.

Your agreement shouldn't leave VAT as an afterthought. A seller might assume your commission is taken after VAT, while you might assume it's taken before VAT. That difference can quietly eat into margins as your transaction volume grows.

What Should Your Online Marketplace Terms Say?

Your online marketplace terms should set the rules for sellers, customers and your platform in a way that matches the real transaction flow.

For sellers, your terms should usually cover:

• Eligibility to sell on the platform
• How listings, profiles, prices and availability must be managed
• Commission, fees, payout timing and deductions
• Refunds, cancellations, chargebacks and customer complaints
• Seller warranties about their products, services, licences and qualifications
• Insurance requirements, if relevant
• Prohibited products, services and conduct
• Your right to remove listings, suspend accounts or terminate access
• Confidentiality and use of platform data
• Data protection responsibilities under the UK GDPR and Data Protection Act 2018
• Intellectual property ownership and licences for photos, descriptions, videos or course content
• Dispute processes between you and the seller

For customers, your terms should explain:

• Who the customer is contracting with
• What your platform is and isn't responsible for
• How bookings, purchases, cancellations and refunds work
• Any consumer rights information required for online sales
• How customer data is used and shared
• Acceptable use of the platform

Data protection deserves special attention. You may be a controller, joint controller or processor for different parts of the transaction, depending on how customer data is collected and used. Your privacy notice, seller terms and data processing arrangements should line up. If sellers can export customer details or use them for their own marketing, that needs careful handling under the UK GDPR and Privacy and Electronic Communications Regulations.

You should also think about platform reporting. Sellers will expect a clear record of sales and deductions. Your terms can say what reports you provide, how often they're available, and how long sellers have to raise discrepancies. Separately, some digital platform operators have reporting obligations to HMRC for seller income under UK rules for digital platforms, depending on the platform and seller activity.

Common Mistakes To Avoid

The most common mistakes aren't usually dramatic. They're small gaps that become expensive once your marketplace has real transaction volume.

Watch out for these issues:

• Undefined revenue: you say commission applies to revenue, but don't define whether that means gross or net revenue
• No refund mechanics: you refund the customer but have no clear right to recover the seller's share
• No chargeback clause: your platform wears chargeback costs even when the seller caused the problem
• VAT confusion: your pricing, commission and invoicing clauses don't match your tax setup
• Payment timing that's too generous: you pay sellers before the risk of cancellation or fraud has passed
• Weak seller obligations: sellers can list poor quality or non-compliant products and your platform has limited control
• Customer terms and seller terms don't match: customers are promised one refund process, while sellers agreed to something different
• No right to change fees: you can't update your commission structure without a contract dispute
• No data protection plan: customer data is shared with sellers without clear roles, notices or limits

One practical way to avoid these problems is to map the money and the customer journey before drafting.

Ask yourself: who receives the customer payment, who issues the receipt, when is the seller paid, what happens if the customer cancels, and what happens if the seller breaches the rules? Your contract should follow those answers.

Key Takeaways

• A marketplace revenue share agreement should do more than state a commission percentage. It should explain the full payment flow.
• Define exactly how commission is calculated, including VAT, discounts, card fees, refunds and chargebacks.
• Your seller terms and customer terms should match, especially on cancellations, refunds and who the customer is contracting with.
• Payment timing matters. Holding a sensible reserve or paying after completion can protect your platform from disputes and losses.
• VAT, payment services and data protection rules can change the right structure for your marketplace, so get tailored advice where the setup is complex.

If you'd like help with your marketplace seller terms, revenue share clauses, refund and chargeback rules, or platform data protection setup, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.