Carnival UK (P&O Cruises & Cunard) | 167,818 followers on LinkedIn. Carnival UK is the operating company for P&O Cruises & Cunard. We provide world class cruise holidays and take enormous pride from bringing to life two of the most iconic brands from Britain’s rich seafaring heritage. That legacy of elegance and style, of beautiful ships, inspiring leadership and guest-obsessed service excellence lives on today, as we evolve ourselves for tomorrow.