![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>)
David Barrett
Fondateur chez
SIGMAROC PLC
Fortune : 9 M $ au 31/05/2026
Profil
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.
Détentions connues dans des sociétés publiques
| Société | Date | Nombre d'actions | Valorisation | Date de valorisation |
|---|---|---|---|---|
SIGMAROC PLC 0,46 % | 22/01/2026 | 5 155 455 ( 0,46 % ) | 9 M $ | 31/05/2026 |
Postes actifs de David Barrett
| Sociétés | Poste | Début |
|---|---|---|
| SIGMAROC PLC | Fondateur | 12/08/2004 |
Thames Recycling Ltd.
 Thames Recycling Ltd. TruckingTransportation Provides non-hazardous waste collection services | Directeur/Membre du Conseil | 01/10/2013 |
SigmaFin Ltd.
 SigmaFin Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Directeur/Membre du Conseil | 17/08/2017 |
GDH (Holdings) Ltd.
 GDH (Holdings) Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Directeur/Membre du Conseil | 18/04/2019 |
Capital Concrete Ltd.
 Capital Concrete Ltd. Construction MaterialsNon-Energy Minerals Manufacturers concrete products | Directeur/Membre du Conseil | - |
Thames Aggregates Ltd. | Directeur/Membre du Conseil | - |
Anciens postes connus de David Barrett
| Sociétés | Poste | Fin |
|---|---|---|
London Concrete Ltd
 London Concrete Ltd Construction MaterialsNon-Energy Minerals Supplies construction and building materials | Fondateur | 01/01/2015 |
Expériences
Fonctions occupées
Actives
Inactives
Sociétés cotées
Entreprise privées
Relations
12
Relations au 1er degré
7
Entreprises liées au 1er degré
Homme
Femme
Administrateurs
Exécutifs
Sociétés liées
| Entreprise privées | 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. |
