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John Mark Isherwood
John Mark Isherwood is a director of Pragmatic Semiconductor Limited and a director of Highview Enterprises Limited, among 3 current roles on record. Source: Companies House records.
Director at Pragmatic Semiconductor Limited · Director at Highview Enterprises Limited
- 3 current roles
- 15 previous roles
- Served alongside 120 people
John's network: 120 people across 18 organisations
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Official record Companies House · updated 4th October 2026 · Free, no card or password
Current roles
18 roles across 18 organisations-
Pragmatic Semiconductor LimitedDirector · 2026-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Pragmatic Semiconductor Limited
- Role
- Director
- Appointed
- 2026-04-29
- Record reference
- Company 07423954
Current -
Highview Enterprises LimitedDirector · 2026-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Highview Enterprises Limited
- Role
- Director
- Appointed
- 2026-02-03
- Record reference
- Company 04489271
Current -
Cornish Lithium PLCDirector · 2025-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Cornish Lithium PLC
- Role
- Director
- Appointed
- 2025-12-22
- Record reference
- Company 10205021
Current
15 more roles, including 15 previous roles, with dates and sources
Sign in free to see all rolesPeople John has served alongside
120 people across 18 organisationsBased on overlapping official board records. Calculated from official records
120 people across 18 organisations
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- Companies House
- Officer appointments and resignations.
- Edition
- Register edition compiled 4th October 2026
- Identity
- Records are treated as the same person only where the evidence confirms it. How people are matched