![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
Fondatore presso
SIGMAROC PLC
Patrimonio netto: 9 M $ in data 31/05/2026
Profilo
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.
Partecipazioni note in società pubbliche
| Società | Data | Numero di azioni | Valutazione | Data di valutazione |
|---|---|---|---|---|
SIGMAROC PLC 0,46% | 22/01/2026 | 5.155.455 ( 0,46% ) | 9 M $ | 31/05/2026 |
Posizioni attive di David Barrett
| Società | Posizione | Inizio |
|---|---|---|
| SIGMAROC PLC | Fondatore | 12/08/2004 |
Thames Recycling Ltd.
 Thames Recycling Ltd. TruckingTransportation Provides non-hazardous waste collection services | Direttore/Membro del Consiglio | 01/10/2013 |
SigmaFin Ltd.
 SigmaFin Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Direttore/Membro del Consiglio | 17/08/2017 |
GDH (Holdings) Ltd.
 GDH (Holdings) Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Direttore/Membro del Consiglio | 18/04/2019 |
Capital Concrete Ltd.
 Capital Concrete Ltd. Construction MaterialsNon-Energy Minerals Manufacturers concrete products | Direttore/Membro del Consiglio | - |
Thames Aggregates Ltd. | Direttore/Membro del Consiglio | - |
Precedenti posizioni note di David Barrett
| Società | Posizione | Fine |
|---|---|---|
London Concrete Ltd
 London Concrete Ltd Construction MaterialsNon-Energy Minerals Supplies construction and building materials | Fondatore | 01/01/2015 |
Esperienze
Posizioni ricoperte
Attive
Inattive
Società nel listino
Aziende private
Relazioni
12
Relazioni di 1° grado
7
Aziende connesse in 1º grado
Uomo
Donna
Amministratori
Dirigenti
Società collegate
| Aziende private | 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. |
