You can invite members to your project via the Settings > Members tab. When inviting new people, you can assign them the following roles: Manager, Proofreader, and Translator.
Read more about Project Roles.
If Limited Access to the Languages is selected in your Crowdin project’s Settings > General tab, you can invite translators or proofreaders, granting them access to the specific target languages.
Read more about Advanced Project Setup.
There are three main methods of involving people in the project. To invite members to the project, click Invite. In the appeared dialog, select a role and a target language (available when Limited Access to the Languages is selected).
To invite members to your project via shareable link, follow these steps:
To invite members to your project via email or Crowdin username, follow these steps:
To invite members to your project via social media, follow these steps:
Also, you can cooperate with professional translation agencies that are integrated with Crowdin. To start ordering professional translations, click Vendors Marketplace in the Invite People dialog or open Resources and select Vendors.