UK Property sourcing / finding

I'm looking for someone who is capable of generating leads for me, from *motivated* sellers of Property (Real estate) in England / UK.

This will generally involve data processing tasks such as identifying real estate listings for properties that have not sold in over 90 days, reviewing classified advertisements for private real estate owners etc.

Please read:

PLEASE DO *NOT* apply if you do not have experience working with UK, Real-Estate companies or private real estate investors in UK. Thank you.

If you do, please let me know what experience do you have working for real estate companies or private real estate investors / developers?

What CRM software do you use? (Podio or Pipedrive preferable)... please confirm any experience you have on these apps ?