To find company profiles in Clay while excluding those in your existing table, use the "Find Companies" source. Here's how:
1. Go to "Actions" and select "Find Companies".
2. Configure your search preferences (industries, company size, keywords, etc.).
3. In the "Exclude companies" option, select your existing Clay table with companies to exclude.
4. Set other filters as needed (location, minimum follower count, etc.).
5. Choose to start from "Lookalikes" or "Descriptions".
6. Set a limit for results if desired.
7. Click "Preview companies" to check the results.
8. If satisfied, click "Import to new table".
Remember to iterate and refine your search as needed for best results.