The corporate records provide no information about the owner of the firm, its address or its type of business.

Six weeks later, W Spann LLC made its million-dollar donation to Restore Our Future — a new so-called “super PAC” started by a group of former Romney political aides to boost the former Massachusetts governor’s presidential bid. It listed its address as being in a midtown Manhattan office building that has no record of such a tenant.

The Boston lawyer, Cameron Casey, dissolved the company on July 12 — two weeks before Restore Our Future made its first campaign filing of the year reporting the donation from the now-nonexistent company, the corporate records show.

“I don’t see how you can do this,” said Lawrence Noble, the former general counsel of the Federal Election Commission, when asked about the contribution from the now defunct company.