Monopoly power
Monopoly power
QuickBooks and TurboTax are near monopolies, with a retail market share of more than 90%, according to NPD Group, a market research firm. Microsoft is probably Intuit's highest- profile corporate victim, having tried and failed to take on QuickBooks with Small Business Accounting, a rival bookkeeping app.


This story is from the April 9, 2012 issue of Fortune.
By Richard McGill Murphy, contributor @FortuneMagazine - Last updated April 05 2012: 6:45 AM ET
Join the Conversation
Top 50 winners

Which companies have the best reputations? Apple tops the list for the fifth year in a row. Who else made the top 50 this year?

Most stock quote data provided by BATS. Market indices are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer.

Morningstar: © 2014 Morningstar, Inc. All Rights Reserved.

Factset: FactSet Research Systems Inc. 2014. All rights reserved.

Chicago Mercantile Association: Certain market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved.

Dow Jones: The Dow Jones branded indices are proprietary to and are calculated, distributed and marketed by DJI Opco, a subsidiary of S&P Dow Jones Indices LLC and have been licensed for use to S&P Opco, LLC and CNN. Standard & Poor's and S&P are registered trademarks of Standard & Poor’s Financial Services LLC and Dow Jones is a registered trademark of Dow Jones Trademark Holdings LLC. All content of the Dow Jones branded indices © S&P Dow Jones Indices LLC 2014 and/or its affiliates.