Company groups
Mcdermott Holdings 1 Limited

Group branch

Mcdermott Holdings 1 Limited group

PSC-derived corporate control hierarchy for active UK corporate PSC filings.

Company profile

Children

2

Direct

1

Levels

2

Hierarchy

Updated 08 Sep 2026 00:20

PSC corporate control

Root Active LTD 2 children

Mcdermott Holdings 1 Limited

CRN 12572705

Profile
1. Level 1 Active LTD 1 child
  
  Mcdermott Marine Construction Limited
  
  CRN 02869047
  
  Explore branch Profile
  1. Level 2 Active LLP
    
    Io Consulting (energy) UK LLP
    
    CRN OC397313
    
    Profile