2007
	      - WOORI ACCOUNTING Firm 
(Cambodia-based)  Established
 
      
	 
          2009
	      - Registered as KOTRA Advisory Accountant 
 
      	
	 
          2011
	      - ATOZ HK CONSULTING LIMITED  
Establishment
 
      
	 
          2013
	      - WOORI ACCOUNTING Firm 
   (Thailand branch) Establishment
 
      	
	 
          2015
	      - WOORI ACCOUNTING Firm 
(Myanmar branch) Establishment
 
      
	 
          2016
	      - ATOZ SG CONSULTING PTE LIMITED  
   Establishment
			  - ATOZ LABUAN CONSULDING LIMITED   
   Establishment
 
      	
	 
          2017
	      - ATOZ VN CONSULTING LIMITED  
Establishment
- A guide of Overseas Business Foundation "Ver. Hong Kong" publication 
 
      
	 
          2018
	      - WOORI ATOZ SG ACCOUNTING PTE LIMITED  
   Establishment
- The first Korean business group to acquire   
   Corporate Management TCSP License
 
      	
	 
          2019
	      - A guide of Overseas Business Foundation 
"Ver. Singapore" publication
- ATOZ HK CPA LIMITED Establishment  
- WOORI ATOZ GROUP Consolidation