Deloitte shake-up of international structure set to trigger UK leadership race
Overhaul will bind operations in 80 countries across Europe and Middle East
Overhaul will bind operations in 80 countries across Europe and Middle East

Deloitte, EY, KPMG and PwC bosses strive to protect profits amid slowing revenues

Former audit chief is early favourite in contest with international COO Gary Wingrove

Improving competitiveness and strengthening the single market are key

City of London firms have been lobbying against a return to Brussels rules

New priorities are needed to succeed amid unreliable and competing great powers

Chief executive churnover is less visible than political headrolling but can be just as disruptive