...Two thirds of small businesses in Britain are run by families but a lack of succession planning means only a fifth ever hand on the baton, according to the Institute for Family Business. The sad truth is that 80% of first-generation companies never make it to the second generation, and only one in ten make it to the third....This is partly because founders often can't let go....However, there are quite a few well-known family businesses that are flourishing.

http://money.aol.co.uk/2012/03/02/famous-family-businesses-who-owns-what/?icid=money|DL_6_link