Company groups
Costain Integrated Services Limited

Group branch

Costain Integrated Services Limited group

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

Company profile

Children

6

Direct

5

Levels

2

Hierarchy

Updated 06 Jun 2026 16:52

PSC corporate control

Root Active LTD 6 children

Costain Integrated Services Limited

CRN 01890057

Profile
1. Level 1 1 child
  
  06325873
  
  CRN 06325873
  
  Explore branch
  1. Level 2
    
    05521045
    
    CRN 05521045
2. Level 1
  
  02251685
  
  CRN 02251685
3. Level 1 Active LTD
  
  Brunswick Infrastructure Services Limited
  
  CRN 05934479
  
  Profile
4. Level 1 Active LTD
  
  Calvert & Russell LTD.
  
  CRN 03393157
  
  Profile
5. Level 1 Active LTD
  
  Construction Study Centre Limited
  
  CRN 02554091
  
  Profile

Largest branches

06325873

CRN 06325873

1 controlled company

02251685

CRN 02251685

0 controlled companies

Brunswick Infrastructure Services Limited

CRN 05934479

0 controlled companies

Calvert & Russell LTD.

CRN 03393157

0 controlled companies

Construction Study Centre Limited

CRN 02554091

0 controlled companies