Introduction
You can upload a list of contacts or companies to create a more precise and effective target audience for your campaigns. This guide explains the file requirements, data fields, and upload best practices to ensure the highest match accuracy.
Uploading a Company List (Download company template)
Prepare your file:
Use this exact CSV file template here with one company per row.
Include at least one matching field for each row.
Check file requirements:
Recommended minimum: 1,000 companies
Best performance range: 10,000–300,000 companies
File size limit: 20 MB
Include key identifiers:
Include at least one of the following:Company name
Company website
Company email domain
LinkedIn page URL
Stock symbol
Tip: For best match results, include both the company name and website.
Optional targeting enhancement:
If your list is smaller than 1,000 companies, you can expand targeting using LinkedIn’s criteria such as industry or company size.
Uploading a Contact List (Download contact template)
Prepare your file:
Include one contact per row.
Make sure at least one field (e.g., email, name, or ID) is filled out in each row.
Check file requirements:
Recommended Minimum: 10,000 contacts
Minimum to upload: 300 contacts (LinkedIn won't let you upload under 300 contacts)
Maximum: 300,000 contacts
File size limit: 20 MB
Include key identifiers:
Include at least one of the following:Email address
First and last name
Mobile device ID
Google user ID
Tip: Add extra fields like company, job title, or country to improve match accuracy.
Review data sensitivity:
Your contact list must not contain health information or sensitive personal data.
By uploading, you certify that your data complies with privacy requirements.
Share your list:
Send the CSV file via email to your campaign representative at Relevize
Notes and Best Practices
Ensure your file has a clear header row.
Double-check that email domains and URLs are formatted correctly.
LinkedIn Processing Time
It takes LinkedIn 48 hours to process a new list before it can be used in a campaign. Please keep this in mind when thinking about your goal launch date.