Tricor has joined forces with International Outsourcing Inc. (IOI), a prestigious professional services provider based in Seoul, Korea, acquiring a 30% interest with effect from September 2013.

Specialities & Focus

IOI specializes in company administration, payroll and executive search services, offering best practices and local knowledge to clients based in Korea. Staffed by experienced professional accountants as well as human resource and IT consultants, IOI is committed to customized solutions and excellence in service.

IOI has more than 40 years’ experience in the field, being formerly the Company Administrative Services (CAS) division of Samil Accounting Corporation, a member firm of PricewaterhouseCoopers (PwC).

Services Offered

Location Head

Byung-Doo Choi

Chief Executive Officer


Contact Us

Direction & Map

Contact Info

  • Yongsan Building 5th floor.
    273 Hangang-daero, Yongsan-gu
    Seoul 140-717

Business Hours

Available 9AM – 5PM
Monday to Friday