Data capture emails from web list

We have a list of estate agents in London. We need their names and email addresses gathered to an excel file. Here is a link https://www.primelocation.com/find-agents/letting-agents/company/benham-and-reeves-8235/
Cannot use the email linked on this page as it is same for all as it is a marketing email. Need to go to individual estate agent website and obtain email. To start 1500 agents.