text: If this company is public and its stock is traded on a stock exchange, you can find its beta (vs. S&P500) on Yahoo! finance or other financial web sites.\n\nIf you are interested in its beta compared to some other indices, you will need to compare the stock's price movement over a long period of time to the specific index concerned.  Most finance/investment text book will teach that calculation.  \n\nIf this stock is not public, I don't think you can find a beta as it has no price history for the analysis.  Or you can pick another software company of similar size that is public and use its beta as a comparable.\n\nHope this helps.  Good luck.