Tjoa, Ronald Siok Sing
These details are public data from the Companies House register.
- Nationality
- British
Appointments
Not a complete list. See all appointments on Companies House
Former appointments (3)
Director · Appointed 2 November 1993 · Resigned 21 November 1997
Company active
Director · Appointed 21 June 1993 · Resigned 1 August 1993
Company active
Director · Resigned 21 June 1993
Company active
Worked with
Officers who served alongside Tjoa, Ronald Siok Sing
Director at Cogent International Limited · Resigned 21 November 1997
Director at Cogent International Limited · Resigned 21 November 1997
Director at Cogent International Limited · Resigned 10 June 1998
Secretary at Cogent International Limited · Resigned 10 December 1997
Director at Cogent International Limited · Resigned 10 June 1998
Quigley, John Cameron
Director at Cogent International Limited · Resigned 26 August 1998
Director at Cogent International Limited · Resigned 14 November 2000
Director at Cogent International Limited · Resigned 23 December 1998