Admin - Client Prospecting

Candidate is needed to find 250 Accountancy firms in and around the London, UK area. fill out a spreadsheet with company name, address, contact number and email address which i can then use to print address labels to send a letter to. Very simple task, I need candidate search on google, yellow pages in the united kingdom to find accountancy business that has not many reviews. Go onto the website of that company, find the address. Then go onto another website and find out who the director is and write name on ---------- timated time 4 hours.