Bymetric
UK company intelligence
Group branch

Tetra Tech Limited group

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

Company profile
Children
10
Direct
9
Levels
2

Hierarchy

Updated 06 Jun 2026 16:52

PSC corporate control
  1. Root Active LTD 10 children

    Tetra Tech Limited

    CRN 01959704
    Profile
    1. Level 1 Active LTD 1 child

      Tetra Tech Consulting (Ni) Limited

      CRN NI667243
      Explore branch Profile
      1. Level 2 Active LTD

        WYG Engineering (Northern Ireland) Limited

        CRN NI020346
        Profile
    2. Level 1

      02579388

      CRN 02579388
    3. Level 1

      03076421

      CRN 03076421
    4. Level 1

      03837186

      CRN 03837186
    5. Level 1 Active PRIVATE LIMITED COMPANY

      Arcadis Tetra Tech 1 Limited

      CRN 17162691
      Profile
    6. Level 1 Active PRIVATE LIMITED COMPANY

      Arcadis Tetra Tech 2 Limited

      CRN 17169076
      Profile
    7. Level 1 Active LTD

      Nuclear Decommissioning Limited

      CRN 11952605
      Profile
    8. Level 1 Active LTD

      Trench Farrow Limited

      CRN 01433914
      Profile
    9. Level 1 Active LTD

      White Young Green Limited

      CRN 05111508
      Profile