Comsci

Comsci is a UK-focused micro-publisher that has carved out a narrow but critical niche: turning everyday Microsoft Excel spreadsheets into fully compliant, HMRC-recognised Making Tax Digital submissions. Its sole public title, 100PcVatFreeBridge, is a lightweight bridging utility that reads VAT figures from user-maintained Excel workbooks, performs automatic error checks, and then encrypts and forwards the data to HMRC’s API without ever locking users into a full accounting suite. Typical use cases range from one-person consultancies that already track sales in homemade spreadsheets to mid-size retailers who want to keep bespoke cash-register exports while still meeting quarterly MTD obligations. Because the program is deliberately VAT-only, it avoids the feature bloat of mainstream tax platforms and instead concentrates on speedy bulk uploads, late-submission rescue, and multi-period corrections—functions that accountants frequently need during year-end rush. The interface stays inside familiar ribbon menus, so finance staff need no retraining, yet behind the scenes it handles API tokens, fraud headers, and government rate changes automatically. Comsci’s software is available for free on get.nero.com, where downloads are delivered through trusted Windows package sources such as winget, always fetching the latest release and allowing silent batch installation alongside other applications.