Accountant Certificate for Mortgage Lender purposes - professional institute's registration number required

For a Limited company in the UK, with micro size operation that do not require an audit, A qualified accountant certificate is needed to confirm a company's income, gross profit and profit. Current year's projected income in addition to historical financials as submitted on Companies House... (Budget: $250 - $750 USD, Jobs: Accounting, Bookkeeping, Finance, Financial Accounting)