Once installed, open any LinkedIn profile and click on the SignalHire extension icon (SH) located at the top right corner of your browser.
Click on the 'Reveal contacts' button to get emails and phone numbers for your leads or prospects.
Once done, click on the 'Choose Actions' button under 'Export this profile' section and select to ATS/CRM and then HubSpot.
Done! You will see HubSpot's icon that links to the created profile in your account. The profile will be enriched with emails and phone numbers for the lead.