# Content & security

> * Custom Activities, Business Solutions and Professional Services.

## 1. What content is offered for purchase?

* Custom Activities, Business Solutions and Professional Services.

## 2. What is a Custom Activity?

* This is a .NET library that you can install and drag and drop into your workflow in UiPath Studio.

## 3. What is a Business Solution?

* This is a modern enterprise application built on the UiPath Platform with code, automations, data, tests, APIs, versioning and configuration.​ This type of content is sold on the Marketplace and shipped by the vendor to the customer after the transaction is successful.

## 4. What is offered under Professional Services?

* Professional Services cover development, consultancy, support and training services from selected UiPath Business Partners.

## 5. How are paid listings reviewed?

* **For Custom Activities** They undergo a series of content, security and functionality checks as part of the Marketplace Security Certification process. All paid listings have the highest level of Security Certification - Gold Badge. Please refer to [this article](https://docs.uipath.com/marketplace/automation-cloud/latest/user-guide/certification-program-overview#marketplace-security-certification-overview) for more details.
* **For Business Solutions** Each Business Solution published at UiPath Marketplace has successfully passed the [Business Solutions Verification process](https://docs.uipath.com/marketplace/automation-cloud/latest/user-guide/business-solutions-verification#business-solutions-verification) which consists of documents review (Technical Specification Document, Installation and Configuration Document), technical demo meeting with the Marketplace team, security tests and optionally third-party references.

## 6. Can I trust third-party vendors?

* Each Custom Activity that is submitted on UiPath Marketplace undergoes a series of security checks that altogether comprise [Marketplace Security Certification](https://docs.uipath.com/marketplace/automation-cloud/latest/user-guide/certification-program-overview#marketplace-security-certification-overview).
* Each Business Activity that is submitted on UiPath Marketplace undergoes [Business Solutions Verification process](https://docs.uipath.com/marketplace/automation-cloud/latest/user-guide/business-solutions-verification#business-solutions-verification).
* Each Professional Services listing that is submitted on UiPath Marketplace needs to be offered by a UiPath Service Network partner and/or at least a Silver Business Partner.
  :::note
  If you prefer using content from certain vendor types, make use of the Provider filtering on the left-side menu.
  :::