- IONUT-COSTINEL SAPUNARU- Born July 1992 - 91 CEDAR ROAD, NORTHAMPTON, ENGLAND, NN1 4RW 
- Ionut, Mr. MIHAILA- Born October 1982 - Flat 407 Defoe House, London, England, E14 0TU 
- JC CUMPANASU LTDDissolved- 11419514 - Dissolved on 22 June 2021 
- CONSTANTA CUMPANASU- Born August 1954 - 16 HAREFIELD ROAD, NORTHAMPTON, ENGLAND, NN3 8ER 
- PARTNERS IN COSTS LIMITED- 04158080 - Incorporated on 12 February 2001 
- Ionut, Mr. PETRESCU- Born January 1993 - 16 Greenwich Market, London, United Kingdom, SE10 9HZ 
- FLORIN CUMPANASU LIMITEDDisolved- 09816649 - Dissolved on 4 July 2023 
- Marian CUMPANASU- Born March 1986 - 19 Fairfax Avenue, Selby, England, YO8 4AZ 
- MARIUS CUMPANASU- Born April 1969 - ARTISANS' HOUSE 7 QUEENSBRIDGE, NORTHAMPTON, NORTHAMPTONSHIRE, UNITED KINGDOM, NN4 7BF 
- IONUT IONUT LTDDisolved- 14132132 - Dissolved on 31 October 2023 
- Sorin Ionut, Mr. MOISA- Born January 1979 - 58 Adam Avenue, Great Sutton, Cheshire, United Kingdom, CH66 4LH 
- BLACKSTONE LEGAL COSTING UK LIMITED- 08325530 - Incorporated on 11 December 2012 
- Cezar Costin, Mr. CIOHODARU- Born November 1972 - 9 Vaccine Drive, Glasgow, Scotland, G20 9BF 
- Angelo-Ionut, Mr. ARAMA- Born January 1995 - Stanmore Business And Innovation Centre Howard Road, Stanmore, England, HA7 1GB 
- George Costin, Mr. MERLUSCA- Born June 1993 - 31 Copnor Road, Portsmouth, England, PO3 5AB 
- CUMPANASU TRANS LIMITED- 11899699 - Incorporated on 22 March 2019 
- COSTIN& LTDDisolved- 14045363 - Dissolved on 19 September 2023 
- ALFA. TS LTDActive - Proposal to Strike off- 08257795 - Incorporated on 17 October 2012 
- N&V COSTIN LTD- 15371886 - Incorporated on 27 December 2023 
- D J COSTIN LTD- 16444008 - Incorporated on 12 May 2025