| Company | Timeline | Status | |
DKBS London Ltd Director • Builder  | 27 Jun 2011←5 Years→22 Nov 2016  | Dissolved  | |
Denis Kostenko Ltd Director • Builder  | 23 Jun 2011←5 Years→6 Dec 2016  | Dissolved  | |
Kostenko Building Services Ltd Director • Builder  | 23 Jun 2011←5 Years→22 Nov 2016  | Dissolved  | |
DK Building Services Ltd Director • Builder  | 23 Jun 2011←5 Years→22 Nov 2016  | Dissolved  | |
| Denis Kostenko Building Services Ltd Director • Builder  | 23 Jun 2011←14 Years→Current  | Active  | |
