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Mariner Bidco Limited group

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

Company profile
Children
35
Direct
1
Levels
5

Hierarchy

Updated 07 Jul 2026 09:49

PSC corporate control
  1. Root Active LTD 35 children

    Mariner Bidco Limited

    CRN 16195589
    Profile
    1. Level 1 Active LTD 34 children

      HSL Compliance Group Limited

      CRN 11738872
      Explore branch Profile
      1. Level 2 Active LTD 33 children

        HSL Compliance Holdings Limited

        CRN 08313030
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        1. Level 3 Active LTD 5 children

          HSL Compliance Advanced Water Technologies Ltd

          CRN 04344970
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          1. Level 4 Active LTD

            Airstream Environmental Limited

            CRN 03677488
            Profile
          2. Level 4 Active LTD

            Certifact Services Ltd

            CRN 07902781
            Profile
          3. Level 4 Active LTD

            D. Mac Water Services Ltd

            CRN 09462272
            Profile
          4. Level 4 Active LTD

            Eastern Shires LCS Limited

            CRN 10037865
            Profile
          5. Level 4 Active LTD

            S P Environmental Services Ltd

            CRN 09686720
            Profile
        2. Level 3 Active LTD 3 children

          R J Urmson Group Limited

          CRN 12837834
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          1. Level 4 Active LTD 1 child

            R J Urmson Commissioning Engineers Limited

            CRN 05351065
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            1. Level 5 Active LTD

              Urmson Fire Specialists Limited

              CRN 11438396
              Profile
          2. Level 4 Active LTD

            National Hygiene Services Limited

            CRN 09848539
            Profile
        3. Level 3 Active LTD 2 children

          Albanyoak Limited

          CRN 01704503
          Explore branch Profile
          1. Level 4 Active LTD

            Aquatreat Limited

            CRN 01707062
            Profile
          2. Level 4 Active LTD

            Chemtreat Limited

            CRN 01692887
            Profile
        4. Level 3 Active LTD 2 children

          HSL Compliance Enitial Ltd

          CRN 02589078
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          1. Level 4 Active LTD

            Enitial Services Limited

            CRN 04958070
            Profile
          2. Level 4 Active LTD

            Enitial Water Ltd

            CRN 04905293
            Profile
        5. Level 3 Active LTD 2 children

          HSL Compliance Ltd

          CRN 02425951
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          1. Level 4 Active LTD 1 child

            Dma Canyon Ltd

            CRN SC197200
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            1. Level 5 Active LTD

              Canyon Water Services Limited

              CRN SC420365
              Profile
        6. Level 3 Active LTD 1 child

          Crosmill Holdings Ltd

          CRN 03787955
          Explore branch Profile
          1. Level 4 Active LTD

            Crosmill Limited

            CRN 01607965
            Profile
        7. Level 3 Active LTD 1 child

          Treatment 4 Water Limited

          CRN 05652482
          Explore branch Profile
          1. Level 4 Active LTD

            T4W Clo2 Limited

            CRN 16552342
            Profile
        8. Level 3

          08369139

          CRN 08369139
        9. Level 3 Active LTD

          Apc Compliance Limited

          CRN 05392042
          Profile
        10. Level 3 Active LTD

          Chemical Treatment Services (Ireland) Limited

          CRN NI017799
          Profile
        11. Level 3 Active LTD

          Houseman Environmental Limited

          CRN 08774566
          Profile
        12. Level 3 Active LTD

          HSL Inspection and Testing Ltd

          CRN 07814171
          Profile
        13. Level 3 Active LTD

          Ice Plumbing & Water Services Limited

          CRN 04991181
          Profile
        14. Level 3 Active LTD

          Jordan Environmental Limited

          CRN 03482967
          Profile
        15. Level 3 Active LTD

          Legionella Control International Limited

          CRN 05325807
          Profile
        16. Level 3 Active LTD

          Plexus Innovation Limited

          CRN 11105009
          Profile
        17. Level 3 Active LTD

          Saferspaces Limited

          CRN 07453514
          Profile