The document summarizes the spreadsheet auditing software SpACE. It states that SpACE is used exclusively by HMRC for major company spreadsheet tax audits and was found to be the best tool for the job according to a university study. The document provides details on SpACE's features for auditing spreadsheets such as generating risk summaries, analyzing workbook and worksheet statistics, mapping cell dependencies and formulas, and finding hidden code and sheets. It claims SpACE can efficiently audit any size or complexity of spreadsheet and help reduce operational risk.