# Success fee

URL: https://sellmydatatoai.net/glossary/success-fee

A success fee is a charge a broker or adviser earns only when a deal completes, usually set as a percentage of the deal value.

A success fee is a fee that a broker or adviser earns only when a transaction completes. If no deal closes, nothing is owed. In data brokerage the fee is usually a percentage of what the buyer pays.

## How do data brokers set success fees?

Data brokers set success fees in different ways, and many do not publish a rate. [FileYield](https://sellmydatatoai.net/data-buyers/fileyield) states 8% from the seller and 6% from the buyer in its FAQ. [SimpleClosure AssetHub](https://sellmydatatoai.net/data-buyers/simpleclosure-assethub) charges a percentage on success. [Opendatabay](https://sellmydatatoai.net/data-buyers/opendatabay), a marketplace, uses a tiered commission of 5 to 30% by sale price, as reported by GISuser in February 2026.

## How does Sell My Data To AI charge?

Sell My Data To AI charges sellers nothing to be assessed. We charge a success fee only when a deal completes, and the fee is agreed in writing before we introduce you to any buyer. Buyers pay nothing to submit a requirement or review a shortlist.

Details are on our [fees page](https://sellmydatatoai.net/fees). See also [data broker](https://sellmydatatoai.net/glossary/data-broker) and [AI data marketplaces compared](https://sellmydatatoai.net/guides/ai-data-marketplaces-compared).