- Duncan James, Mr. REEVES- Born April 1978 - Ground Floor Marlow Internationa, Parkway, Marlow, England, SL7 1YL 
- GARY ALAN FORSEY- Born July 1977 - 38 BUSHELL ROAD, OAKDALE, POOLE, DORSET, BH15 3HE 
- Clive Duncan, Mr. WILSON- Born February 1951 - 120 Beach Road, Sand Bay, Weston Super Mare, Somerset, United Kingdom, BS22 9UG 
- Stuart Duncan, Mr. BROWN- Born July 1976 - C/O Sealpump Engineering Limited, 19 Ellerbeck Court, Stokesley Business Park, Stokesley, Middlesbrough, North Yorkshire, United Kingdom, TS9 5PT 
- Thomas Duncan, Mr. HOPPE- Born December 1958 - 5th Floor 70 Gracechurch Street, London, England, EC3V 0XL 
- DAVID IAN FORSEY- Born May 1978 - 75 PARKSTONE ROAD, POOLE, DORSET, UNITED KINGDOM, BH15 2NZ 
- CAS DUNCAN LTD- SC660201 - Incorporated on 30 April 2020 
- REEF DIVING SERVICES LTD- 11050333 - Incorporated on 7 November 2017 
- RALPH SCOT LTDActive - Proposal to Strike off- SC537487 - Incorporated on 8 June 2016 
- RALPHS BAR LTDDisolved- 14880764 - Dissolved on 22 October 2024 
- RALPH NAKS LTD- 14740837 - Incorporated on 20 March 2023 
- RALPH AVIS LTDDissolved- 04701694 - Dissolved on 8 November 2011 
- ANDY RALPH LTD- 07745695 - Incorporated on 18 August 2011 
- RALPHIES LTDActive - Proposal to Strike off- 11714742 - Incorporated on 6 December 2018 
- RALPHEAL LTDDisolved- 10842858 - Dissolved on 7 February 2023 
- RALPH H BRUCE & CO- SL000121 - Incorporated on 20 October 1982 
- RALPH G.WILKIN- LP003685 - Incorporated on 18 August 1989 
- DIAMOND DENTAL CARE LIMITED- 05746890 - Incorporated on 17 March 2006 
- RALPH BOND LTD.Dissolved- 03928323 - Dissolved on 21 July 2009 
- RALPH PINK LTDDisolved- 07896242 - Dissolved on 22 July 2025