Planning for success can be as difficult as managing failure. Take Walls Construction Ltd (WCL), a leading building contractor founded in 1950. It has worked on everything from Shannon Airport, Tralee General Hospital, the 3 Arena, and the Blackrock Clinic to LinkedIn and Google’s Dublin offices in more recent times. It has also battled recession and a stint in Nama to come back via a management buyout stronger than ever. Turnover in 2022 was €472 million. Pre-tax profits exceeded €18 million. Now in prosperous times, it’s wound up before the Commercial Court due to a shareholder dispute. The controversy is…