> ## Documentation Index
> Fetch the complete documentation index at: https://plain-docs-orca-916-agent-docs-restructure.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Add companies and tenants to tiers

> Add companies and tenants to a tier in a single mutation.

You can add multiple tenants and companies to a tier in a single mutation.

<Snippet file="graphql/sdk-note.mdx" />

Companies and tenants can only be in a single tier.

This operation requires the following permissions:

* `tierMembership:read`
* `tierMembership:create`

<Snippet file="graphql/add-members-to-tier.mdx" />