Deloitte offers integrated services including audit, tax, consulting and financial advisory. Their approach aims to combine insight and innovation from multiple disciplines with business and industry knowledge to help clients excel. The firm employs staff across 150 countries and territories, and its UK operations now span 24 offices. Deloitte's aim is to be the undisputed leader in professional services. They strive to achieve this through their shared values, which the say guide the way employees behave to make a positive, enduring impact. These core values include: integrity, outstanding value to markets and clients, commitment to each other, and strength from cultural diversity. The company is led by Chief Executive Officer David Sproul, who was elected in 2011 and again in 2015. David makes sure he shares his time equally amongst staff. Whether they've been at the company for three weeks or three years, he's said to be always approachable and happy to listen and advise on any issue, no matter how big or small.