JOHN WILLIAM ERNEST JAMES COSTER

Not Verified Statement Filed 8 Active Directorships 4 Ownerships
April 1966 BRITISH
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Feb 2, 2026
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Influence Score

40

Regional
Active Directorships

8

Total 21 positions
Ownership Value

£ 1,307

Majority stakes: 2
Minority stakes: 2
Network Size

85

Direct links: 85
Key Insights
5 total
Profile Overview
Experience
Distinguished
Average tenure: 7.0 years
Resigned positions: 13
Marketing Technology Advertising & Market Research Other Professional Services Edtech Education Management Consultancy Arts & Entertainment
Ownership Style
Controlling Owner
Significant Influence Voting Rights Director Appointment Rights
Key Factors Driving Influence
  • Multiple company interests
  • Extensive business network (50+ connections)
  • Diverse industry exposure
Current Positions
Ownership Stakes
Portfolio Financial Overview
Risk & Compliance
Activity Timeline
Primary Address
10 Peel Close
Kibworth
Beauchamp
Leicestershire
LE8 0JL
Coordinates: 52.53933 , -1.00315
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Network Snapshot
Business Connections
Related Companies