| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CALEDONIAN PORTS LIMITED | SC155845 | 09/05/2011 | Strike Off |
| CAMMELL LAIRD SHIPREPAIRERS & SHIPBUILDERS LIMITED | 04211637 | 30/09/2011 | Silver |
| CLYDEPORT SHIPPING LIMITED | SC110769 | 09/05/2011 | Dissolved |
| CLYDEPORT TRANSPORT LIMITED | SC178192 | 09/05/2011 | Dissolved |
| COASTAL SEAFORTH CONTAINER TERMINALS LIMITED | 02379221 | 03/11/2010 | Dissolved |
| CONCORDE CONTAINER LINE LIMITED | 02836298 | 03/11/2010 | Dissolved |
| CONTINENTAL TRUCK LINES LIMITED | 02779014 | 03/11/2010 | Dissolved |
| CONWAY CONTAINER WAY LIMITED | NI018117 | 09/05/2011 | Dissolved |
| HARBOUR CITY INVESTMENTS LIMITED | 02421336 | 03/11/2010 | Dissolved |
| HUNTERSTON BULK HANDLING LIMITED | SC142485 | 09/05/2011 | Dissolved |
| HUNTERSTON DEVELOPMENT COMPANY LIMITED | SC058260 | 09/05/2011 | Dissolved |
| LANDGUARD INTERNATIONAL LIMITED | 02729850 | 03/11/2010 | Dissolved |
| LINK TRANSPORT SERVICES LIMITED | NI049670 | 09/05/2011 | Dissolved |
| LYMAN LIMITED | 01158651 | 09/05/2011 | Dissolved |
| MANCHESTER SHIP CANAL SERVICES LIMITED | 01060081 | 03/11/2010 | Dissolved |
| MARITIME CENTRE (NO. 2) LIMITED | SC151333 | 09/05/2011 | Dissolved |
| MARITIME CENTRE (NO3) LIMITED | 04528436 | 03/11/2010 | Dissolved |
| MDW DEVELOPMENTS LIMITED | 11801036 | 01/02/2019 | Dissolved |
| MERSEY DOCKS TRUSTEES LIMITED | 02681239 | 03/11/2010 | Dissolved |
| MERSEY QUEST TRUSTEE LIMITED | 02666546 | 03/11/2010 | Dissolved |
| NORCO TRANSPORT LIMITED | 01283464 | 09/05/2011 | Dissolved |
| SHEERNESS COOL STORES LIMITED | 02497816 | 03/11/2010 | Dissolved |
| SHIP CANAL INVESTMENTS LIMITED | 02224895 | 03/11/2010 | Dissolved |
| SHIP CANAL LAND LIMITED | 00924359 | 03/11/2010 | Dissolved |
| TACKLE & TALES LIMITED | 06999517 | 24/08/2009 | Dissolved |
| TANKSPEED LIMITED | 03141029 | 03/11/2010 | Dissolved |
| WILDCOAST INTERNATIONAL (UK) LIMITED | 02691947 | 03/11/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARDROSSAN HARBOUR COMPANY LIMITED | SC045455 | 03/11/2010 | 30/09/2022 | Bronze |
| BIRKENHEAD PORT LIMITED | 02981652 | 03/11/2010 | 30/09/2022 | Silver |
| CLARKE CHAPMAN PORTIA PORT SERVICES LIMITED | 03190507 | 05/09/2011 | 30/09/2022 | One Red Flag |
| CLYDEBOYD FORT WILLIAM LIMITED | SC207392 | 09/05/2011 | 02/12/2016 | Bronze |
| CLYDEPORT LIMITED | SC133434 | 03/11/2010 | 30/09/2022 | Silver |
| CLYDEPORT OPERATIONS LIMITED | SC134759 | 03/11/2010 | 30/09/2022 | Bronze |
| COASTAL CONTAINER LINE LIMITED | NI013153 | 09/05/2011 | 30/09/2022 | Amber |
| DELUXE CONTINENTAL LIMITED | 01298921 | 09/05/2011 | 13/01/2012 | Dissolved |
| HEYSHAM PORT LIMITED | 02447563 | 03/11/2010 | 30/09/2022 | Bronze |
| LIGNA BIOMASS LIMITED | 08918422 | 25/06/2014 | 30/09/2022 | Bronze |
| MARITIME CENTRE LIMITED | 04129415 | 03/11/2010 | 30/09/2022 | Silver |
| MEDWAY PORTS LIMITED | 02650541 | 03/11/2010 | 30/09/2022 | Bronze |
| MERLIN PORTS LIMITED | 02184066 | 03/11/2010 | 30/09/2022 | Bronze |
| MSC (WASTE) LIMITED | 01164006 | 03/11/2010 | 02/04/2012 | Dissolved |
| PEEL HOLDINGS (PORTS) LIMITED | 05223258 | 03/11/2010 | 30/09/2022 | Bronze |
| PEEL PORTS (IDS) LIMITED | 05445426 | 03/11/2010 | 30/09/2022 | Amber |
| PEEL PORTS FREIGHT LIMITED | 02604841 | 03/11/2010 | 30/09/2022 | Not Trading |
| PEEL PORTS GROUP LIMITED | 05965116 | 30/06/2011 | 25/05/2023 | Silver |
| PEEL PORTS HOLDINGS LIMITED | 04560438 | 03/11/2010 | 30/09/2022 | Bronze |
| PEEL PORTS INTERMEDIATE HOLDCO LIMITED | 05979400 | 03/11/2010 | 30/09/2022 | Silver |
| PEEL PORTS INVESTMENTS LIMITED | 05433920 | 03/11/2010 | 30/09/2022 | Bronze |
| PEEL PORTS LAND AND PROPERTY INVESTMENTS (NO. 2) LIMITED | 05874707 | 03/11/2010 | 30/09/2022 | Not Trading |
| PEEL PORTS LAND AND PROPERTY INVESTMENTS LIMITED | 05433921 | 03/11/2010 | 30/09/2022 | Bronze |
| PEEL PORTS LIMITED | 04560424 | 03/11/2010 | 30/09/2022 | One Red Flag |
| PEEL PORTS OPERATIONS LIMITED | 05398690 | 03/11/2010 | 30/09/2022 | Bronze |
| PEEL PORTS UK FINANCECO LIMITED | 05907031 | 03/11/2010 | 30/09/2022 | Bronze |
| PORT OF SHEERNESS LIMITED | 02639118 | 03/11/2010 | 30/09/2022 | Bronze |
| PORTIA MANAGEMENT SERVICES LIMITED | 01437370 | 03/11/2010 | 03/11/2010 | Gold |
| PORTIA WORLD TRAVEL LIMITED | 01420160 | 03/11/2010 | 30/09/2022 | Not Trading |
| SEAFORTH POWER LIMITED | 02278872 | 03/11/2010 | 30/09/2022 | Bronze |
| SEAFORTH STEVEDORING LIMITED | 01624480 | 03/11/2010 | 30/09/2022 | Not Trading |
| SEAWING LANDGUARD INTERNATIONAL LIMITED | 01957362 | 03/11/2010 | 30/09/2022 | Not Trading |
| THE MANCHESTER SHIP CANAL COMPANY LIMITED | 07438096 | 22/07/2011 | 30/09/2022 | Bronze |
| THE MERSEY DOCKS AND HARBOUR COMPANY LIMITED | 07438262 | 09/05/2011 | 30/09/2022 | Bronze |
| TR SHIPPING SERVICES LIMITED | NI030260 | 09/05/2011 | 30/09/2022 | Not Trading |