pure storagePure Storage, the Silicon Valley maker of enterprise flash storage systems that went public this month, engaged Brunswick Group for PR support through its scrutinized IPO.

A respected and fast-growing private company, Pure Storage's Oct. 7 stock market debut has been viewed from a disappointment to a modest success by media and analysts. The Wall Street journal noted the struggle billion-dollar private companies have in carrying momentum into an IPO.

The company said it raised $485M in gross proceeds after the offering. Its valuation is around $3B.

Shares slipped below its $17-per-share IPO price in the first few days of trading, but have rebounded to top $19 this week.

Brunswick San Francisco director John Gallagher advises Pure Storage on the PR front. Amy Cronk, a Horn Group and Andreessen Horowitz alum, is in-house director of communications for the Mountain View-based company.