Welcome to the Mercer & Hole Accountants in St Albans A dynamic accountancy office in the heart of the historic city of St Albans, Mercer & Hole has long had a presence here as this beautiful city was where the very first office was founded to provide local clients with bookkeeping services. Today, St Albans represents one of our firm’s four offices across the South East of England and where we are very much part of the business and the wider community providing individuals and corporate clients with a plethora of accountancy and financial services.