Kendrick Investments held 99 per cent of Topaz   prior to its sale to Couche-Tard. Photograph: David Sleator

Denis O’Brien and Alimentation Couche-Tard, the Canadian company to which he sold the Topaz chain of forecourts for €258 million cash, have agreed a (...)

The company behind the Topaz fuel and convenience store chain is suing a Dublin-registered company for €4.7m over alleged failure to complete a share purchase agreement. Photograph: Dave Meehan

Denis O’Brien and Alimentation Couche Tard, the Canadian company to which he sold the Topaz network of filling stations last year, have become embroil(...)

Emmet O’Neill: bought 10 per cent of Topaz, which, once it swallows Esso, will control nigh on a third of the Irish forecourts market

Emmet O’Neill, a nephew of Denis O’Brien who also happens to run the billionaire’s Topaz fuel station network, has snapped up a chunk of the business (...)