Email database needed with software

Looking for a developer who has email list of decision makers/contacts from database of businesses in the UK for real estate/property & I.T. market for us to promote property & I.T. project/products (2 projects). Therefore we need this databasee to email blast, you will need to provide the software so we do not get spammed & i need a good quality 'email' list for these 2 types of projects. *The best quality list will be chosen. *It must be email lists. * No 1st time developers , you must have done work like this before *Please send demo of previous data *Any email shot templates used please send illustrative examples with instructions on how to blast using what software * Need quality list urgently * If devel;oper has email grabbber software please let us know & how much