Mosaic Software is a leading developer of software solutions and web based services. We have a mix of turnkey solutions such as our Direct Debit software,Bacs software, Sortcode and bank account validation software; and also a range of web based services which can be incorporated into your own software developments using SOAP (Simple Object Access Protocol). We are specialists in Bacs related products and are a Bacs Approved Solutions Supplier providing direct debit management software, Mandate, and Bacs communications software, BacscomIP. BankCheck is a web based service for validation of bank sort codes and account numbers. Xl-Expense is a hosted web solution for the management of business expense claims simplifying the workflow around expense payments. We are an authorised Solutions supplier for the Royal Mail Postal Address File (PAF™) and our web-based service PostcodeIT provides an address lookup of 28 million addresses in the UK and Channel Islands.