Rsk Environment Limited Group

Hierarchy

Updated 06 Jun 2026 16:52

PSC corporate control

Root Active LTD 211 children

Rsk Environment Limited

CRN SC115530

Profile
1. Level 1 Active LTD 6 children
  
  MWH UK Acquisitions Limited
  
  CRN 11652932
  
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  1. Level 2 Active LTD 5 children
    
    MWH Treatment Limited
    
    CRN 01535477
    
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    1. Level 3 Active LTD 4 children
      
      MWH Farrer Limited
      
      CRN 05728436
      
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      1. Level 4
        
        11493460
        
        CRN 11493460
      2. Level 4
        
        11493916
        
        CRN 11493916
      3. Level 4 Active LTD
        
        MWH Constructors Limited
        
        CRN 11493725
        
        Profile
      4. Level 4 Active LTD
        
        MWH Limited
        
        CRN 11493983
        
        Profile
2. Level 1 Active LTD 4 children
  
  Calibrate Group Limited
  
  CRN 12572433
  
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  1. Level 2 Active LTD
    
    Calibrate Inc Ltd
    
    CRN 08277206
    
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  2. Level 2 Active LTD
    
    Calibrate Leasing Limited
    
    CRN 09144170
    
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  3. Level 2 Active LTD
    
    Calibrate Maintenance Ltd
    
    CRN 12553502
    
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  4. Level 2 Active LTD
    
    Gridflex Ltd
    
    CRN 12553336
    
    Profile
3. Level 1 Active LTD 4 children
  
  Topham Investco Limited
  
  CRN 13501330
  
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  1. Level 2 Active LTD 3 children
    
    Topham Holdco Limited
    
    CRN 13502485
    
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    1. Level 3 Active LTD 2 children
      
      Topham Midco Limited
      
      CRN 13506363
      
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      1. Level 4 Active LTD 1 child
        
        Topham Bidco Limited
        
        CRN 13507310
        
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        Level 5 Active LTD
        
        Reigate Asset Leasing LTD.
        
        CRN 15128979
        
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4. Level 1 Active LTD 3 children
  
  Axis Well Technology Group Limited
  
  CRN 08430347
  
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  1. Level 2 Active LTD 1 child
    
    Axis Well Technology Management Limited
    
    CRN 08354912
    
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    1. Level 3 Active LTD
      
      Axis Well Technology Limited
      
      CRN SC217030
      
      Profile
  2. Level 2 Active LTD
    
    Axis Well Technology International Limited
    
    CRN 10793440
    
    Profile
5. Level 1 Active LTD 3 children
  
  Binnie & Partners Limited
  
  CRN 12999342
  
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  1. Level 2 Active LTD 2 children
    
    Binnies UK Limited
    
    CRN 03163649
    
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    1. Level 3
      
      05090494
      
      CRN 05090494
    2. Level 3 Active LTD
      
      GBV JV Limited
      
      CRN 08584398
      
      Profile
6. Level 1 Active LTD 3 children
  
  BTS Group Limited
  
  CRN 04299486
  
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  1. Level 2
    
    04299741
    
    CRN 04299741
  2. Level 2
    
    05597917
    
    CRN 05597917
  3. Level 2
    
    06350097
    
    CRN 06350097
7. Level 1 Active LTD 3 children
  
  CX Group Holdings Limited
  
  CRN 14655804
  
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  1. Level 2 Active LTD
    
    Certus Utility Consulting Ltd
    
    CRN 11556909
    
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  2. Level 2 Active LTD
    
    CX Energy Ltd
    
    CRN 11626344
    
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  3. Level 2 Active LTD
    
    CX Utilities Ltd
    
    CRN 09620774
    
    Profile
8. Level 1 Active LTD 3 children
  
  Deans Holdco Limited
  
  CRN SC783027
  
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  1. Level 2 Active LTD 2 children
    
    Deans Civil Engineering Limited
    
    CRN SC378926
    
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    1. Level 3 Active LTD
      
      Deans Developments (Kilbarchan) Ltd
      
      CRN SC744357
      
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    2. Level 3 Active LTD
      
      Tarpave Limited
      
      CRN SC240089
      
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9. Level 1 Active LTD 3 children
  
  EB7 Limited
  
  CRN 06434420
  
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  1. Level 2
    
    08381353
    
    CRN 08381353
  2. Level 2 Active LTD
    
    EB7 Immersive Limited
    
    CRN 10343069
    
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  3. Level 2 Active LTD
    
    EB7 Party Wall Limited
    
    CRN 09526552
    
    Profile
10. Level 1 Active LTD 3 children
  
  N-Able Holdings Ltd
  
  CRN 05459336
  
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  1. Level 2 Active LTD 2 children
    
    N-Able Property Services Ltd
    
    CRN 05624733
    
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    1. Level 3 Active LTD
      
      Ecd Architects Ltd
      
      CRN 03028104
      
      Profile
    2. Level 3 Active LTD
      
      Keegans Limited
      
      CRN 04547050
      
      Profile
11. Level 1 Active LTD 3 children
  
  PD & MS Energy (Aberdeen) Limited
  
  CRN SC233070
  
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  1. Level 2 Active LTD
    
    Optimus Plus (Aberdeen) Limited
    
    CRN 13866377
    
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  2. Level 2 Active LTD
    
    PD & MS (Dundee) Limited
    
    CRN 07516543
    
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  3. Level 2 Active LTD
    
    Synergie Environ Limited
    
    CRN SC370321
    
    Profile
12. Level 1 Active LTD 3 children
  
  Salix River & Wetland Services Limited
  
  CRN 04944506
  
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  1. Level 2 Active LTD
    
    Cbec Eco Engineering UK Limited
    
    CRN SC385000
    
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  2. Level 2 Active LTD
    
    Frog Environmental Limited
    
    CRN 09738715
    
    Profile
  3. Level 2 Active LTD
    
    Terraffix Soil Solutions Ltd
    
    CRN 11795873
    
    Profile
13. Level 1 Active LTD 2 children
  
  AJ Engineering & Construction Services Limited
  
  CRN SC188199
  
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  1. Level 2 Active LTD
    
    Northern Engineering & Welding Co. Limited
    
    CRN SC510074
    
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  2. Level 2
    
    SC220966
    
    CRN SC220966
14. Level 1 Active LTD 2 children
  
  Eib Group Limited
  
  CRN 11267170
  
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  1. Level 2 Active LTD
    
    Eib Growth Services Limited
    
    CRN 11246954
    
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  2. Level 2 Active LTD
    
    Eib Professional Services Limited
    
    CRN 08103620
    
    Profile
15. Level 1 Active LTD 2 children
  
  Rsk Orbital Limited
  
  CRN 03686187
  
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  1. Level 2 Active LTD
    
    Skyvision International Limited
    
    CRN SC153156
    
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  2. Level 2 Active LTD
    
    The Scan Station Limited
    
    CRN 11175907
    
    Profile
16. Level 1 Active LTD 2 children
  
  Travis Baker (Holdings) Ltd
  
  CRN 08922122
  
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  1. Level 2 Active LTD
    
    Travis Baker East Midlands Limited
    
    CRN 10239686
    
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  2. Level 2 Active LTD
    
    Travis Baker Geo-Environmental Limited
    
    CRN 09453821
    
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17. Level 1 Active LTD 2 children
  
  Up and Under Group Limited
  
  CRN 05435793
  
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  1. Level 2 Active LTD
    
    Entrainment Limited
    
    CRN 06245436
    
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  2. Level 2 Active LTD
    
    Up and Under (Specialist Contracts) Limited
    
    CRN 03588412
    
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18. Level 1 Active LTD 2 children
  
  Water Research Centre Limited
  
  CRN 11172223
  
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  1. Level 2
    
    03446438
    
    CRN 03446438
  2. Level 2 Active LTD
    
    Cognica Limited
    
    CRN 03498533
    
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19. Level 1 Active LTD 2 children
  
  Wyse Group Limited
  
  CRN 05665971
  
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  1. Level 2 Active LTD 1 child
    
    Wysepower Limited
    
    CRN 05379085
    
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    1. Level 3
      
      06377942
      
      CRN 06377942
20. Level 1 Active LTD 1 child
  
  3BM Limited
  
  CRN 08008506
  
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  1. Level 2 Active LTD
    
    Fusion Project Management Limited
    
    CRN 05705987
    
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21. Level 1 Active LTD 1 child
  
  Bateman Skips Ltd
  
  CRN 04934307
  
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  1. Level 2 Active LTD
    
    Affordable Skip Hire Bristol Limited
    
    CRN 07687650
    
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22. Level 1 Active LTD 1 child
  
  Centara Ltd
  
  CRN 07015837
  
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  1. Level 2 Active LTD
    
    Woodside Court Management Company (Normanton) Limited
    
    CRN 06065010
    
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23. Level 1 Active LTD 1 child
  
  Geotechnical & Structural Services (Holdings) Limited
  
  CRN 09730275
  
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  1. Level 2 Active LTD
    
    Geotechnical and Structural Services Limited
    
    CRN 08388127
    
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24. Level 1 Active LTD 1 child
  
  Hawkins Electrical Holdings Limited
  
  CRN 10697268
  
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  1. Level 2 Active LTD
    
    Hawkins Electrical Limited
    
    CRN 03505136
    
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25. Level 1 Active LTD 1 child
  
  HV Energy Systems Ltd
  
  CRN 10754572
  
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  1. Level 2 Active PRIVATE LIMITED COMPANY
    
    High Voltage Energy Systems Ltd
    
    CRN 17182273
    
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26. Level 1 Active LTD 1 child
  
  Mss Group Limited
  
  CRN 05486864
  
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  1. Level 2 Active LTD
    
    Acorn Chemical Services Limited
    
    CRN 04370657
    
    Profile
27. Level 1 Active LTD 1 child
  
  Pendragon Holdings Limited
  
  CRN 10212776
  
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  1. Level 2 Active LTD
    
    DVCR Group Limited
    
    CRN 10212690
    
    Profile
28. Level 1 Active LTD 1 child
  
  Rsk Adas Limited
  
  CRN 10486936
  
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  1. Level 2 Active LTD
    
    Adas Silverdale Limited
    
    CRN 11709267
    
    Profile
29. Level 1 Active LTD 1 child
  
  Rsk Biocensus Limited
  
  CRN 04364279
  
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  1. Level 2 Active LTD
    
    Nature Positive Limited
    
    CRN 12795484
    
    Profile
30. Level 1 Active LTD 1 child
  
  Rsk Investments Limited
  
  CRN 04500781
  
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  1. Level 2
    
    SC139749
    
    CRN SC139749
31. Level 1 Active LTD 1 child
  
  Southern Ecological Solutions Limited
  
  CRN 06192687
  
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  1. Level 2 Active LTD
    
    Ses Strategic Limited
    
    CRN 09231328
    
    Profile
32. Level 1 Active LTD 1 child
  
  Spencer Quantum Limited
  
  CRN 02928764
  
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  1. Level 2 Active LTD
    
    Quantum Geotechnic Limited
    
    CRN 11892518
    
    Profile
33. Level 1 Active LTD 1 child
  
  The Woodhouse Partnership Limited
  
  CRN 02935938
  
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  1. Level 2 Active LTD
    
    Decision Support Tools Limited
    
    CRN 05901006
    
    Profile
34. Level 1 Active LTD 1 child
  
  Watertrain Limited
  
  CRN 06401993
  
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  1. Level 2
    
    08620743
    
    CRN 08620743
35. Level 1
  
  02928662
  
  CRN 02928662
36. Level 1 Active LTD
  
  1St Inrail Limited
  
  CRN 06252002
  
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37. Level 1 Active LTD
  
  Absolute Solar and Wind Ltd
  
  CRN SC328796
  
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38. Level 1 Active LTD
  
  Acies Civil and Structural Limited
  
  CRN 07195701
  
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39. Level 1 Active LTD
  
  Advantage Rsk Limited
  
  CRN 13660383
  
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40. Level 1 Active LTD
  
  Apollo Strategic Communications Limited
  
  CRN 06563797
  
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41. Level 1 Active LTD
  
  Ara Architecture Limited
  
  CRN 07729784
  
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42. Level 1 Active LTD
  
  Argrennan Estate Limited
  
  CRN 13876305
  
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43. Level 1 Active LTD
  
  Argus Environmental Limited
  
  CRN 02769631
  
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44. Level 1 Active LTD
  
  Atp Architects + Surveyors Limited
  
  CRN 08648558
  
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45. Level 1 Active LTD
  
  Atv Contract Services Limited
  
  CRN 04515676
  
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46. Level 1 Active LTD
  
  Aurora Health Physics Services Limited
  
  CRN 04276316
  
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47. Level 1 Active LTD
  
  Azerbaijan Environment and Technology Centre Limited
  
  CRN SC158836
  
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48. Level 1 Active LTD
  
  BMG Research Holdings Limited
  
  CRN 10236510
  
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49. Level 1 Active LTD
  
  BMG Research Ltd
  
  CRN 02841970
  
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50. Level 1 Active LTD
  
  Brown & May Marine Holdings Limited
  
  CRN 12696411
  
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51. Level 1 Active LTD
  
  Brown & May Marine Limited
  
  CRN 01788594
  
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52. Level 1 Active LTD
  
  Building Sciences Limited
  
  CRN 01992975
  
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53. Level 1 Active LTD
  
  C.J. Associates Geotechnical Limited
  
  CRN 01544609
  
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54. Level 1 Active LTD
  
  C.R. Civil Engineering Limited
  
  CRN 03950591
  
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55. Level 1 Active LTD
  
  Carbon Zero Consulting Ltd
  
  CRN 03320795
  
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56. Level 1 Active LTD
  
  Ceetech Limited
  
  CRN 04242024
  
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57. Level 1 Active LTD
  
  Centara Group Ltd
  
  CRN 08120950
  
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58. Level 1 Active LTD
  
  Central Alliance (holdings) Limited
  
  CRN 08887003
  
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59. Level 1 Active LTD
  
  Central Alliance Pre Construction Services Ltd
  
  CRN 05769713
  
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60. Level 1 Active LTD
  
  Consents Solutions Ltd
  
  CRN 07802798
  
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61. Level 1 Active LTD
  
  Copeland Wedge Associates Ltd
  
  CRN 07709882
  
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62. Level 1 Active LTD
  
  Copper Consultancy Limited
  
  CRN 03030759
  
  Profile
63. Level 1 Active LTD
  
  Crce Plant Limited
  
  CRN 10408804
  
  Profile
64. Level 1 Active LTD
  
  CS2 Limited
  
  CRN 03888977
  
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65. Level 1 Active LTD
  
  Drilling Supplies UK Limited
  
  CRN 06045403
  
  Profile
66. Level 1 Active LTD
  
  DWD Property and Planning Limited
  
  CRN 15174312
  
  Profile
67. Level 1 Active LTD
  
  Economic Research Services Limited
  
  CRN 02937576
  
  Profile
68. Level 1 Active LTD
  
  Electrokinetic Limited
  
  CRN 04183422
  
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69. Level 1 Active LTD
  
  Elsym Installations Limited
  
  CRN 04070943
  
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70. Level 1 Active LTD
  
  Envireau Ltd
  
  CRN 06647619
  
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71. Level 1 Active LTD
  
  Enviresearch Limited
  
  CRN 04292592
  
  Profile
72. Level 1 Active LTD
  
  Enviresearch Technologies Limited
  
  CRN 11541342
  
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73. Level 1 Active LTD
  
  Enviroflow Management Limited
  
  CRN 07227667
  
  Profile
74. Level 1 Active LTD
  
  Fellows Construction Consultants Ltd
  
  CRN 08722651
  
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75. Level 1 Active LTD
  
  Fishtek Limited
  
  CRN 03749571
  
  Profile
76. Level 1 Active LTD
  
  Fluid Sealing & Engineering Limited
  
  CRN 10631080
  
  Profile
77. Level 1 Active LTD
  
  FR Consultants Limited
  
  CRN 11354060
  
  Profile
78. Level 1 Active LTD
  
  Global Rail Construction Limited
  
  CRN 04272798
  
  Profile
79. Level 1 Active LTD
  
  Ground Heat Installations Limited
  
  CRN 05942386
  
  Profile
80. Level 1 Active LTD
  
  Headland Archaeology (UK) Limited
  
  CRN SC342945
  
  Profile
81. Level 1 Active LTD
  
  Headland Group Limited
  
  CRN SC162974
  
  Profile
82. Level 1 Active LTD
  
  Hollywood Civil Engineering Limited
  
  CRN 06726914
  
  Profile
83. Level 1 Active LTD
  
  Homer Burgess Limited
  
  CRN SC055598
  
  Profile
84. Level 1 Active LTD
  
  Hydrofix Limited
  
  CRN 04713320
  
  Profile
85. Level 1 Active LTD
  
  Ian Farmer Associates (1998) Limited
  
  CRN 03661447
  
  Profile
86. Level 1 Active LTD
  
  J & A Pelling Ltd
  
  CRN 01062334
  
  Profile
87. Level 1 Active LTD
  
  Kendall Kingscott Limited
  
  CRN 04605743
  
  Profile
88. Level 1 Active LTD
  
  Kirton Water Treatment Services Limited
  
  CRN 08612475
  
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89. Level 1 Active LTD
  
  KMGP Limited
  
  CRN 04249588
  
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90. Level 1 Active LTD
  
  Larsen Water Management Ltd
  
  CRN NI024918
  
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91. Level 1 Active LTD
  
  Leap Environmental Limited
  
  CRN 06552502
  
  Profile
92. Level 1 Active LTD
  
  MG Scaffolding (Oxford) Limited
  
  CRN 04543435
  
  Profile
93. Level 1 Active LTD
  
  Midrock Construction Limited
  
  CRN 08250303
  
  Profile
94. Level 1 Active LTD
  
  Milestone Communications Limited
  
  CRN 05542487
  
  Profile
95. Level 1 Active LTD
  
  Non Destructive Testing Services Limited
  
  CRN 04560287
  
  Profile
96. Level 1 Active LTD
  
  Non Entry Systems Limited
  
  CRN 03052061
  
  Profile
97. Level 1 Active LTD
  
  Optisol Services Ltd
  
  CRN 10212112
  
  Profile
98. Level 1 Active LTD
  
  Pa Group (UK) Limited
  
  CRN 06257126
  
  Profile
99. Level 1 Active LTD
  
  PD&MS Holdings Limited
  
  CRN 08451993
  
  Profile
100. Level 1 Active LTD
  
  Pegasys Limited
  
  CRN 10333897
  
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101. Level 1 Active LLP
  
  Pellings LLP
  
  CRN OC326178
  
  Profile
102. Level 1 Active LTD
  
  Pharos Field Engineering Services Limited
  
  CRN 04869285
  
  Profile
103. Level 1 Active LTD
  
  Pharos Generator Services Limited
  
  CRN 08334792
  
  Profile
104. Level 1 Active LTD
  
  Pharos Power Support Group Limited
  
  CRN 13044906
  
  Profile
105. Level 1 Active LTD
  
  Proeon Holdings Limited
  
  CRN 11306634
  
  Profile
106. Level 1 Active LTD
  
  Proeon Systems Limited
  
  CRN 05112628
  
  Profile
107. Level 1 Active LTD
  
  Project Ires Bidco Limited
  
  CRN 09114938
  
  Profile
108. Level 1 Active LTD
  
  Project Ires Topco Limited
  
  CRN 09113299
  
  Profile
109. Level 1 Active LTD
  
  Project Milner Limited
  
  CRN 08534885
  
  Profile
110. Level 1 Active LTD
  
  R.J.T. Excavations Limited
  
  CRN SC118090
  
  Profile
111. Level 1 Active LTD
  
  Richard Allitt Associates Limited
  
  CRN 03255404
  
  Profile
112. Level 1 Active LTD
  
  Richard Irvin FM Limited
  
  CRN 11454668
  
  Profile
113. Level 1 Active LTD
  
  Rocp Limited
  
  CRN 03126673
  
  Profile
114. Level 1 Active LTD
  
  Rsk (Ireland) Limited
  
  CRN 05857689
  
  Profile
115. Level 1 Active LTD
  
  Rsk Acoustics Limited
  
  CRN 07102436
  
  Profile
116. Level 1 Active LTD
  
  Rsk Hi-Line Limited
  
  CRN 13765064
  
  Profile
117. Level 1 Active LTD
  
  Rsk Integrated Waste Solutions Limited
  
  CRN 13412469
  
  Profile
118. Level 1 Active LTD
  
  Rsk Nature Repair Limited
  
  CRN 15993853
  
  Profile
119. Level 1 Active LTD
  
  Rsk Raw Limited
  
  CRN 12071477
  
  Profile
120. Level 1 Active LTD
  
  RSKW Ltd
  
  CRN 06548422
  
  Profile
121. Level 1 Active LTD
  
  Singleton Clamp & Partners Limited
  
  CRN 03728935
  
  Profile
122. Level 1 Active LTD
  
  Sonic Drilling & Piling Planthire Limited
  
  CRN 07981593
  
  Profile
123. Level 1 Active LTD
  
  Spencer Eca Group Limited
  
  CRN 12025776
  
  Profile
124. Level 1 Active LTD
  
  Stephenson Halliday Limited
  
  CRN 04179680
  
  Profile
125. Level 1 Active LTD
  
  Streetwise UK Management Limited
  
  CRN 05129606
  
  Profile
126. Level 1 Active LTD
  
  Sustainable Aquafarms Limited
  
  CRN 11791094
  
  Profile
127. Level 1 Active LTD
  
  TBF Contracting Limited
  
  CRN 09762168
  
  Profile
128. Level 1 Active LTD
  
  TBF Scaffolding Ltd
  
  CRN 01841098
  
  Profile
129. Level 1 Active LTD
  
  TBF Traffic Ltd
  
  CRN 04689212
  
  Profile
130. Level 1 Active LTD
  
  Technik Ground Solutions Limited
  
  CRN 07874856
  
  Profile
131. Level 1 Active LTD
  
  Thus Consultants Ltd
  
  CRN 12258876
  
  Profile
132. Level 1 Active LTD
  
  Travis Baker Limited
  
  CRN 05703678
  
  Profile
133. Level 1 Active LTD
  
  Treefellers Limited
  
  CRN 06727099
  
  Profile
134. Level 1 Active LTD
  
  Twig Trading Limited
  
  CRN 04427764
  
  Profile
135. Level 1 Active LTD
  
  Up and Under Limited
  
  CRN 02434409
  
  Profile
136. Level 1 Active LTD
  
  Virtus Energy Limited
  
  CRN 12080810
  
  Profile
137. Level 1 Active LTD
  
  W.Crowder & Sons,Limited
  
  CRN 01069525
  
  Profile
138. Level 1 Active LTD
  
  W.G.M (Engineering)Limited
  
  CRN SC099834
  
  Profile
139. Level 1 Active LTD
  
  Waldrams Limited
  
  CRN 08809725
  
  Profile
140. Level 1 Active LTD
  
  Watertrain Acquisitions Limited
  
  CRN 08571292
  
  Profile
141. Level 1 Active LTD
  
  Windtechs Ltd
  
  CRN 06369650
  
  Profile

Hierarchy

11493460

11493916

05090494

04299741

05597917

06350097

08381353

SC220966

03446438

06377942

SC139749

08620743

02928662