Tricor has joined forces with International Outsourcing Inc. (IOI), a prestigious professional services provider based in Seoul, Korea. Tricor fully acquired the company in 2018.

Specialities & Focus

IOI, a Tricor Company, 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.

Services Offered

Location Head

Byung-Doo Choi

Byung-Doo Choi



Direction & Map

Contact Info

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

Business Hours

Available 9AM – 5PM
Monday to Friday