HubSpot are the inventors of inbound marketing software.
They are a public company.
They were founded by Brian Halligan and Dharmesh Shah.
They were founded in June 2006 in Cambridge, MA.
Similar companies are Salesforce, Pardot, Mailchimp and ConvertKit.
HubSpot costs from free to thousands per month. A typical range is $49 to $4,999 per month, depending on company size and software subscriptions.