Originally published August 7, 2017 , updated on January 25, 2023

Published Date: The date when the blog went live on GL website. Updated Date: The latest date when the GL Content team updated this blog.

Our 15 top recommendations for anyone within sales and marketing to improve their productivity and improve customer acquisition. 

1. aytm.com   Conduct Primary Surveys with a panel of 25m people
 2. profound.com  Purchase research by chapters from 200 research publishers
 3. companycheck.co.uk   Check who is the director and address of a UK company
 4. spyfu.com     Find competitor’s SEO / PPC strategy
 5. semrush.com   Keyword analysis of competitors website using Google Adwords
 6. www.domaintools.com  See who owns the website
 7. BuiltWith.com     What technical tools the website is built using
 8. rapportive.com    Verify emails right into your gmail
 9. voilanorbert.com    Find anyone’s email addresses
 10. freeconferencecall.com   Free global conference call facility
 11. answeramerica.com   Inexpensive phone answering service
 12. ninjaoutreach.com    Find influencers in your industry
 13. onalytica.com     Find influencers for the article you have written
 14. numbeo.com     Compare eco-social conditions between 2 cities
 15. copyscape.com    Review where is the content copied from