| Company | Timeline | Status | |
| 00465462 Limited Director • Civil Engineer | 9 Apr 1997←28 Years→Current | Active | |
| CLM Engineering (Overseas) Limited Director • Civil Engineer | 9 Apr 1997←4 Years→30 Jun 2001 | Dissolved | |
National Road Operators Limited Director • Civil Engineer | 9 Apr 1997←4 Years→30 Jun 2001 | Dissolved | |
| Costain Investments Limited Director • Civil Engr | 9 Apr 1997←4 Years→30 Jun 2001 | Active | |
| Costain Civil Engineering Limited Director • Civil Engineer | 9 Apr 1997←4 Years→30 Jun 2001 | Active | |
| Costain Engineering & Construction (Overseas) Limited Director • Civil Engineer | 9 Apr 1997←4 Years→30 Jun 2001 | Active | |
| Costain Engineering & Construction Limited Director • Civil Engineer | 9 Apr 1997←4 Years→30 Jun 2001 | Active | |
| Costain Alcaidesa Limited Director • Civil Engineer | 9 Apr 1997←4 Years→30 Jun 2001 | Dissolved | |
| Costain Management Design Limited Director • Civil Engineer | 9 Apr 1997←4 Years→30 Jun 2001 | Dissolved | |
C. G. Nominees Limited Director • Civil Engineer | 9 Apr 1997←4 Years→30 Jun 2001 | Dissolved | |
