Bymetric
UK company intelligence
Top-level group

Cki UK Co 6 Limited group

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

Company profile
Children
33
Direct
1
Levels
5

Hierarchy

Updated 07 Jul 2026 09:49

PSC corporate control
  1. Root Active LTD 33 children

    Cki UK Co 6 Limited

    CRN 07509449
    Profile
    1. Level 1 Active LTD 32 children

      Cki UK Co 5 Limited

      CRN 07509455
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      1. Level 2 Active LTD 25 children

        Northumbrian Water Group Limited

        CRN 04760441
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        1. Level 3 Active LTD 10 children

          Northumbrian Water Limited

          CRN 02366703
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          1. Level 4 Active LTD 1 child

            Northumbrian Water Company 1 Limited

            CRN SC782917
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          2. Level 4 Active LTD 1 child

            Northumbrian Water Company 2 Limited

            CRN SC782918
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          3. Level 4 Active LTD 1 child

            Reiver Holdings Limited

            CRN 04872994
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            1. Level 5 Active LTD

              Reiver Finance Limited

              CRN 04872988
              Profile
          4. Level 4 Active PRIVATE-LIMITED-GUARANT-NSC-LIMITED-EXEMPTION

            Museum of Power

            CRN 03203668
            Profile
          5. Level 4 Active LIMITED-PARTNERSHIP

            Northumbrian Water Company 1 Scottish Limited Partnership

            CRN SL036553
            Profile
          6. Level 4 Active LIMITED-PARTNERSHIP

            Northumbrian Water Company 2 Scottish Limited Partnership

            CRN SL036554
            Profile
          7. Level 4 Active LTD

            Northumbrian Water Company 3 Limited

            CRN SC782919
            Profile
          8. Level 4 Active PLC

            Northumbrian Water Finance PLC

            CRN 04326507
            Profile
          9. Level 4 Active LTD

            Northumbrian Water Pension Trustees Limited

            CRN 02493044
            Profile
        2. Level 3 Active LTD 10 children

          NWG Commercial Solutions Limited

          CRN 10028815
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          1. Level 4 Active LTD 4 children

            Northumbrian Holdings Limited

            CRN 02366698
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            1. Level 5 Active LTD

              Analytical & Environmental Services Limited

              CRN 02379517
              Profile
            2. Level 5 Active LTD

              Northumbrian Water Mexico Limited

              CRN 03078662
              Profile
            3. Level 5 Active LTD

              Northumbrian Water Share Scheme Trustees Limited

              CRN 02331130
              Profile
            4. Level 5 Active LTD

              Waterco Six Limited

              CRN 02528693
              Profile
          2. Level 4 Active LTD

            AYR Environmental Services Operations Limited

            CRN SC201810
            Profile
          3. Level 4 Active LTD

            Caledonian Environmental Levenmouth Treatment Services Limited

            CRN 03991397
            Profile
          4. Level 4 Active LTD

            Essex and Suffolk Water Limited

            CRN 02635436
            Profile
          5. Level 4 Active LTD

            Northumbrian Water Projects Limited

            CRN 02528704
            Profile
        3. Level 3 Active LTD 3 children

          Wave Ltd

          CRN 06492265
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          1. Level 4 Active LTD

            Anglian Water Business (National) Limited

            CRN 03017251
            Profile
          2. Level 4 Active LTD

            NWG Business Limited

            CRN 04047470
            Profile
          3. Level 4 Active LTD

            Water Efficiency Services Limited

            CRN 16928107
            Profile
      2. Level 2 Active LTD 5 children

        Northumbrian Services Limited

        CRN 03114615
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        1. Level 3 Active LTD 1 child

          Caledonian Environmental Services Holdings Limited

          CRN 03936960
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          1. Level 4 Active PLC

            Caledonian Environmental Services PLC

            CRN SC156608
            Profile
        2. Level 3 Active LTD 1 child

          Wastewater Management Holdings Limited

          CRN SC201429
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          1. Level 4 Active LTD

            AYR Environmental Services Limited

            CRN SC198368
            Profile
        3. Level 3 Active LTD

          Northumbrian Overseas Investments Limited

          CRN 02820167
          Profile