Ericsson Nikola Tesla`s ROE reached 28.4 % in 2015. This is 63.6 % more than in the previous year.
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| Company | Unit | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 |
| Ericsson Nikola Tesla | % | 10.9 | 2.12 | 2.91 | 15.8 | 20.3 | ||||||||
| Hrvatski Telekom | % | ... | 16.6 | 15.9 | 16.4 | 15.5 | 13.3 |
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