research needed on Conferences in UK

I am looking to build database of conference organisers in United Kingdom. Information required: Company name Relevant contact name email address Postal Address Telephone number The project should be priced on a per day rate. I have a particular interest in conferences where delegates pay a delegate fee to attend. this is an ongoing project, for atleast 8 hours a week. More work will follow after a trial period of 4 weeks. Please ask any questions through PMB.