I don't want to knock the people who have responded psoitively to you as I don't know them but I would beware of "friends of friends" or informal offers of help.
There are companies out there who specialise in being a virtual business development team, making sure they understand yourt business/market, offer only well qualified leads and, more importantly, will commit to an SLA with a guaranteed number of leads per month. Whether or not you convert those leads is up to you though. Try contacting Catalyst in Winchester or Youd Andrews of High Wycombe. Both are professional organisations who specialise in qualified lead generation and both will offer an SLA for the work they do for you. Typically this kind of service will cost you in 2 ways - firstly a monthly retainer (IRO £3k-4K) for which they will guarantee a number of qualified leads each month and secondly, a percentage of net profit you make on any deals you win as a result of their lead (typically 10%). If you could employ a business development consultant for £36k to £48k per annum (fully loaded cost) plus 10% net profit commission (on delivered revenue only) in return for 20 qualified leads a month (every month for a year) the you would be doing very well indeed! Most business development people I know are on fully loaded salaries of well over £40k, get paid commission on order size (not revenue) and offer no guarantee as to their effectiveness.
If you'd like an introduction to Youd Andrews, please let me know and I'll introduce you to their MD.
ALl the best.
Gary (0788 079 0815 firstname.lastname@example.org)