Question: who are deloitte largest audit clients?
Answer: Boeing. Deloitte is the auditor of Boeing. ... 
Microsoft. Microsoft is one of Deloitte and Touche's largest clients. ... 
Morgan Stanley. Morgan Stanley is a large investment bank and one of the world's largest financial institutions. ... 
Starbucks. ... 
Sotheby's. ... 
Berkshire Hathaway. ... 
UPS. ... 
Best Buy.