The legal industry tends to hold itself apart from the rest of the corporate world. But with talk of allowing outside investment in law firms gaining steam both inside and outside the U.S., Hunton Andrews Kurth CFO Madhav Srinivasan decided to subject firms to an exercise that’s routine in other enterprises: pinning a dollar value on their business.

Srinivasan, who also lectures at Columbia Law School, spent nearly two years building and testing a methodology for valuing law firms before applying it to the firms in the Am Law 100 in a report for ALM Intelligence.