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Tetra Tech UK Consulting Group Limited group

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

Company profile
Children
31
Direct
6
Levels
4

Hierarchy

Updated 06 Jun 2026 16:52

PSC corporate control
  1. Root Active LTD 31 children

    Tetra Tech UK Consulting Group Limited

    CRN 01869543
    Profile
    1. Level 1 Active LTD 25 children

      Tetra Tech Group Limited

      CRN 06595608
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      1. Level 2 Active LTD 10 children

        Tetra Tech Limited

        CRN 01959704
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        1. Level 3 Active LTD 1 child

          Tetra Tech Consulting (Ni) Limited

          CRN NI667243
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          1. Level 4 Active LTD

            WYG Engineering (Northern Ireland) Limited

            CRN NI020346
            Profile
        2. Level 3

          02579388

          CRN 02579388
        3. Level 3

          03076421

          CRN 03076421
        4. Level 3

          03837186

          CRN 03837186
        5. Level 3 Active PRIVATE LIMITED COMPANY

          Arcadis Tetra Tech 1 Limited

          CRN 17162691
          Profile
        6. Level 3 Active PRIVATE LIMITED COMPANY

          Arcadis Tetra Tech 2 Limited

          CRN 17169076
          Profile
        7. Level 3 Active LTD

          Nuclear Decommissioning Limited

          CRN 11952605
          Profile
        8. Level 3 Active LTD

          Trench Farrow Limited

          CRN 01433914
          Profile
        9. Level 3 Active LTD

          White Young Green Limited

          CRN 05111508
          Profile
      2. Level 2 Active LTD 7 children

        Tetra Tech Environment Planning Transport Limited

        CRN 03050297
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        1. Level 3 Active LTD 1 child

          Signet Planning Limited

          CRN 05214986
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          1. Level 4 Active LTD

            Tetra Tech Planning Limited

            CRN 05241035
            Profile
        2. Level 3

          06694185

          CRN 06694185
        3. Level 3 Active LTD

          Alliance Environment and Planning Limited

          CRN 03598361
          Profile
        4. Level 3 Active LTD

          FMW Consultancy Ltd

          CRN 05760849
          Profile
        5. Level 3 Active LTD

          Neil Allen Associates Limited

          CRN 06165280
          Profile
        6. Level 3 Active LTD

          Tetra Tech Environmental and Planning (northern Ireland) Limited

          CRN NI050736
          Profile
      3. Level 2 Active LTD 3 children

        Tetra Tech Management Services Limited

        CRN 04807864
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        1. Level 3 Active LTD 1 child

          North Associates (Cumbria) Limited

          CRN 07493435
          Explore branch Profile
          1. Level 4 Active LTD

            Taylor & Hardy Limited

            CRN 03977505
            Profile
        2. Level 3 Active LTD

          Tetra Tech Management Services (northern Ireland) Limited

          CRN NI021970
          Profile
      4. Level 2 1 child

        03195485

        CRN 03195485
        Explore branch
        1. Level 3

          04046958

          CRN 04046958
    2. Level 1

      01871269

      CRN 01871269
    3. Level 1

      04387285

      CRN 04387285
    4. Level 1 Active PRIVATE-LIMITED-GUARANT-NSC

      Waste Management Research Limited

      CRN 03239828
      Profile
    5. Level 1 Active LTD

      White Young Green International Limited

      CRN 03734619
      Profile
    6. Level 1 Active LTD

      WYG Consulting Limited

      CRN 10470582
      Profile