![David Barrett](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Fortuna: 9 M $ al 30/06/2026
David Kenneth Barrett is the founder of London Concrete Ltd, founded in 1997.
Mr. Barrett is the founder of SigmaRoc Plc, founded in 2004, and holds the title of Executive Chairman since 2016.
Mr. Barrett currently holds the position of Director at GDH (Holdings) Ltd. since 2019, Director at Thames Recycling Ltd. since 2013, Director at Capital Concrete Ltd., Director at SigmaFin Ltd. since 2017, and Director at Thames Aggregates Ltd.
| Empresa | Fecha | Número de acciones | Valoración | Fecha de valoración |
|---|---|---|---|---|
SIGMAROC PLC 0,46 % | 22/01/2026 | 5.155.455 ( 0,46 % ) | 9 M $ | 30/06/2026 |
| Empresas | Cargo | Inicio |
|---|---|---|
| SIGMAROC PLC | Fundador | 12/08/2004 |
Thames Recycling Ltd.
 Thames Recycling Ltd. TruckingTransportation Provides non-hazardous waste collection services | Director/Miembro de la Junta | 01/10/2013 |
SigmaFin Ltd.
 SigmaFin Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Director/Miembro de la Junta | 17/08/2017 |
GDH (Holdings) Ltd.
 GDH (Holdings) Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Director/Miembro de la Junta | 18/04/2019 |
Capital Concrete Ltd.
 Capital Concrete Ltd. Construction MaterialsNon-Energy Minerals Manufacturers concrete products | Director/Miembro de la Junta | - |
Thames Aggregates Ltd. | Director/Miembro de la Junta | - |
| Empresas | Cargo | Fin |
|---|---|---|
London Concrete Ltd
 London Concrete Ltd Construction MaterialsNon-Energy Minerals Supplies construction and building materials | Fundador | 01/01/2015 |
Activas
Inactivas
Empresas cotizadas
Empresas privadas
Relaciones de 1er grado
Empresas vinculadas al 1er grado
Hombre
Mujer
Administradores
Ejecutivos
| Empresas privadas | 7 |
|---|---|
Sigmaroc Plc
 Sigmaroc Plc Construction MaterialsNon-Energy Minerals Manufactures and supplies construction materials | Non-Energy Minerals |
London Concrete Ltd
London Concrete Ltd Construction MaterialsNon-Energy Minerals Supplies construction and building materials | Non-Energy Minerals |
GDH (Holdings) Ltd.
GDH (Holdings) Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Thames Recycling Ltd.
Thames Recycling Ltd. TruckingTransportation Provides non-hazardous waste collection services | Transportation |
SigmaFin Ltd.
SigmaFin Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Capital Concrete Ltd.
Capital Concrete Ltd. Construction MaterialsNon-Energy Minerals Manufacturers concrete products | Non-Energy Minerals |
Thames Aggregates Ltd. |
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