You can’t say it wasn’t coming. Cloud storage provider Box has announced its public offering after a huge amount of rumour and conjecture, with the overall amount raised expected to hit around $250m.

The company is looking to trade under the NYSE symbol ‘BOX’ and confirms reports in January that the cloud storage bods had confidentially filed.

The number of shares and their price wasn’t disclosed in the official S-1 form on the US Securities and Exchange Commission (SEC) site, however the company’s numbers were – and it doesn’t make for pretty reading on first glance.

As the company’s revenues have gone up, so have its losses – $124.2m in revenue for the year ended January 31, combined with a loss of $169m. This compares with $58.8m revenue and $112.8m loss for the previous year, and $21.1m and $50.4m for 2011 …