點解D 人總係提會計界的BIG4而唔係BIG3, BIG6呢?

呢個係你阿爸個代嘅時候選出所謂十大會計師事務所，然後經過時間的洗禮就剩番依家個四大會計師事務所。咁唔代表唔可以再選十大，三大都有可能，而六大已經係過去式。
希望幫到你！

的確是因為全球只得四間大的會計師公司，而這四個就係：

Pwc: lot of reputed and large client like: TVB, American Express, Bank of china and Espirt…
http://www.pwchk.com/home/eng/index.html

KP: many financial institutional clients, solid training
（K. P. Monaco & Assoc. (formerly Terry Hansen, CPA)
Certified Public Accountants）
http://outsourcesystems.com/default.htm

deloitte: lots of client, friendly
http://www.deloitte.com/dtt/section_home/0,1041,sid%3D21953,00.html

EY: Putting Our People First
（Ernst & Young）
http://www.ey.com/global/content.nsf/International/Home