![James Menzies](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>)
James Menzies
Founder at
Topaz Number One Ltd.
Net worth: 3 M $ as of 2026-07-30
Profile
Mr. James G.
Menzies is a Founding Director at Topaz Number One Ltd. He is on the Board of Directors at Topaz Number One Ltd., Topaz Advisers Ltd. and Transunion Petroleum Ltd. Mr. Menzies was previously employed as an Executive Chairman by Seascape Energy Asia Plc, a Chief Executive Officer & Director by Coro Energy Plc, an Independent Non-Executive Director by Trinity Exploration & Production Plc, an Executive Chairman by Tap Oil Ltd., a Chief Executive Officer by SALAMANDER ENERGY PLC, a Senior Partner by Lambert Energy Advisory Ltd., and an Independent Director by Guinness Oil & Gas Exploration Trust Plc.
He received his undergraduate degree from the University of London and a graduate degree from Newcastle University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-24 | 2,502,896 ( 3.56% ) | 3 M $ | 2026-07-30 |
James Menzies active positions
| Companies | Position | Start |
|---|---|---|
Transunion Petroleum Ltd. | Director/Board Member | - |
Topaz Number One Ltd.
 Topaz Number One Ltd. Oil & Gas ProductionEnergy Minerals Provides petroleum exploration services | Founder | 2022-07-05 |
Topaz Advisers Ltd. | Director/Board Member | - |
Former positions of James Menzies
| Companies | Position | End |
|---|---|---|
| SEASCAPE ENERGY ASIA PLC | Chairman | 2026-07-05 |
| CORO ENERGY PLC | Chief Executive Officer | 2020-12-31 |
| TAP OIL LIMITED | Chairman | 2018-01-30 |
| SALAMANDER ENERGY PLC | Chief Executive Officer | 2014-12-31 |
Lambert Energy Advisory Ltd.
 Lambert Energy Advisory Ltd. Investment ManagersFinance Provides financial advice & management consulting services | Corporate Officer/Principal | 2004-12-31 |
Training of James Menzies
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
55
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
Salamander Energy Ltd.
 Salamander Energy Ltd. Oil & Gas ProductionEnergy Minerals Engages in oil and gas exploration, development, and production | Energy Minerals |
Tap Oil Ltd.
 Tap Oil Ltd. Integrated OilEnergy Minerals Produces and explores of oil and gas | Energy Minerals |
University of London
 University of London Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Newcastle University
 Newcastle University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Lambert Energy Advisory Ltd.
Lambert Energy Advisory Ltd. Investment ManagersFinance Provides financial advice & management consulting services | Finance |
Transunion Petroleum Ltd. | |
Trinity Exploration & Production Plc
 Trinity Exploration & Production Plc Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration services | Energy Minerals |
Coro Energy Plc
 Coro Energy Plc Oil & Gas ProductionEnergy Minerals Engages in exploration of natural gas | Energy Minerals |
Guinness Oil & Gas Exploration Trust Plc
 Guinness Oil & Gas Exploration Trust Plc Oil & Gas ProductionEnergy Minerals Engages in oil and gas exploration | Energy Minerals |
Longboat Energy Plc
 Longboat Energy Plc Oilfield Services/EquipmentIndustrial Services Provides support services for petroleum and natural gas extraction | Industrial Services |
Topaz Number One Ltd.
Topaz Number One Ltd. Oil & Gas ProductionEnergy Minerals Provides petroleum exploration services | Energy Minerals |
Topaz Advisers Ltd. |
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