Need a P&L Statement and Net Income confirmation letter.

Two of my clients are Self Employed Consultants.

Both consultants need Self Employed accounts with P&L Statement and a letter confirming their Net Income. The work needs to be done by a qualified accountant. The consultant will use the accounts and the letter from accountant for their Visa extension purposes in first week of February 2010.
We are looking to buy services from the quickest turnaround time and cost effective.
The details are very straight forward.
Consultant 1 - Self employed earnings for past 3 months.
Consultant 2 - Self employed earnings for past 12 months.

Please let us know what else you need apart from invoices, bank statements, remittance advice. Please do mention which format how you need the above details to assist in this work.
Expenses are nominal and are very organised in excel sheet.
Please quote me for two consultants separately but we can make payment together