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David Leonard Walker
David Leonard Walker was previously a director of Clayton Nanotechnology Limited (until 2012) and 3 other organisations. Source: Companies House records.
Director at Clayton Nanotechnology Limited · Director at The Contract Heat Treatment Association
- 0 current roles
- 4 previous roles
- Served alongside 33 people
David's network: 33 people across 4 organisations
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Official record Companies House · updated 11th October 2026 · Free, no card or password
Roles
4 roles across 4 organisations-
Clayton Nanotechnology LimitedDirector · 2007-2012
Official record · Companies House
- Source
- Companies House
- Organisation
- Clayton Nanotechnology Limited
- Role
- Director
- Appointed
- 2007-07-06
- Ended
- 2012-04-30
- Record reference
- Company 06304446
Previous -
The Contract Heat Treatment AssociationDirector · 2002-2012
Official record · Companies House
- Source
- Companies House
- Organisation
- The Contract Heat Treatment Association
- Role
- Director
- Appointed
- 2002-12-12
- Ended
- 2012-02-09
- Record reference
- Company 01376679
Previous -
Clayton Filtration LimitedDirector · 1999-2012
Official record · Companies House
- Source
- Companies House
- Organisation
- Clayton Filtration Limited
- Role
- Director
- Appointed
- 1999-07-05
- Ended
- 2012-04-30
- Record reference
- Company 03014551
Previous
1 more role, with dates and sources
Sign in free to see all rolesPeople David has served alongside
33 people across 4 organisationsBased on overlapping official board records. Calculated from official records
33 people across 4 organisations
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- Companies House
- Officer appointments and resignations.
- Edition
- Register edition compiled 11th October 2026
- Identity
- Records are treated as the same person only where the evidence confirms it. How people are matched