In order to be able to use the HubSpot-Salesforce integration you will need the following subscriptions, access, and permissions.
In addition to the above permissions, you will need to have all of the following Salesforce user profile administrative permissions. API Enabled.
Log in to your HubSpot account from the setting menu, click on integrations, and then click on the "Visit App Marketplace" button.
Search for Salesforce and install the app.
In the pop-up window, enter your Salesforce credentials and click Log In. After logging in, you'll be redirected back to the connector wizard in HubSpot.
Next, install HubSpot in Salesforce. Click Start the Salesforce package installation to begin.
The connector wizard will open. Select yes if you're connecting HubSpot to a Salesforce sandbox; this will connect to a sandbox checkbox. Click Log in to Salesforce.
The best information about inbound marketing, sales, guides and migrations.